The winter in Portland is reliably fully outside of the growing season. Portland is located near a large body of water (e.g., ocean, sea, or large lake). The average growing degree days accumulated over the course of the winter, with 25th to 75th and 10th to 90th percentile bands. Within 50 miles contains significant variations in elevation (2,339 feet). The numbers are for the total amount of new snow and how many days it snows at least 0.1 inches (0.25 centimetres) this month. The percentage of time spent at various humidity comfort levels, categorized by dew point. Taking in the view from the Eastern Prom, Kayleigh Gibson of Saco said she doesnt miss shoveling. The latest sunrise of the winter in Portland is 7:14 AM on January 4 and the earliest sunrise is 56 minutes earlier at 6:18 AM on February 29. An example of data being processed may be a unique identifier stored in a cookie. The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi). The average hourly wind speed in Portland is increasing during the winter, increasing from 9.0 miles per hour to 10.1 miles per hour over the course of the season. National Oceanic and Atmospheric One of the main reasons why Portland, Maine receives so much snow is its proximity to the Atlantic Ocean. Mills opposes bill to allow Maine tribes to benefit from most federal laws, Gray teen hit by tractor-trailer faces long road to recovery, Driver in wrong-way crash remembered as passionate friend, teacher. The hourly average wind direction in Portland throughout the fall is predominantly from the west, with a peak proportion of 43% on November 27. Temperature (F) 0 0.2 0.4 0.6 0.8 1. The clearest day of the fall is September 2, with clear, mostly clear, or partly cloudy conditions 64% of the time. Less than half the days of snowfall in Portland leave just a skiff, amounting to less than an inch, of fresh snow on the ground. Portland residents know that its essential to have appropriate clothing to keep themselves safe and warm while shoveling snow or walking outside during a snowstorm. Huntington, 2005: Historical Changes in Lake Ice-Out Dates as Indicators of This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. Parris, A., P. Bromirski, V. Burkett, During a lull in the weekend rain, kids sliding on the Eastern Prom steered down a hill of wet snow, grass and mud. The lowest daily average low temperature is 16F on January 30. It's a good amount of snowfall, but we will beat both of those on Saturday. Continue with Recommended Cookies. Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. Sea level rise has caused an increase in tidal floods associated with nuisance-level impacts. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. Create a commenting profile by providing an email address, password and display name. The consent submitted will only be used for data processing originating from this website. If youre planning a visit to Portland during the winter, be sure to pack warm clothing and get ready to experience the beauty of a snow-covered city. In this report, we use a base of 50F and a cap of 86F. This occurred during the year that ended December 31st, 1956. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. His trails have 8 inches of snow, not enough to run machines, he said. The percentage of time spent at various humidity comfort levels, categorized by dew point. The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands. The average hourly temperature, color coded into bands. The lowest daily average high temperature is 32F on January 24. 9.2 / 4.2 Summer / Winter The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands. Research, Climate Program Office, Silver Spring, MD, 33 pp. The percentage of time spent in various temperature bands. The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. For the purposes of this report, the geographical coordinates of Portland are 43.661 deg latitude, -70.255 deg longitude, and 59 ft elevation. Maine is approximately 90% forested and has more than 3,500 miles of coastline, making forestry, fishery, hunting and fishing, tourism, and ecosystem services all sensitive to a changing climate. 3) How does the amount of snow in Portland, Maine compare to other cities in the Northeast US? Winters are generally cold, but very prolonged cold spells are rare. Greatest Amount of Snow in One Day, 31.9in. In Portland during fall average daily high temperatures decrease from 74F to 42F and the fraction of time spent overcast or mostly cloudy increases from 36% to 51%. Maine is also located within the primary storm track of the mid-latitudes. National Centers for Environmental Information, Asheville, NC, accessed March From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The months with the highest atmospheric pressure are September and November (30.05"Hg). Noreasters are prevalent in most years in winter, spring, and fall, while landfalling hurricanes are very rare. The best month for swimming (with the highest average sea temperature) is August (63.7F). Kopp, C.P. The thin dotted line is the corresponding average rainfall. Richmond, and G.W. NOAA National Centers for Environmental Information (NCEI). Frequently asked questions Average temperature Average pressure Average wind speed Average humidity Average rainfall Average rainfall days Average snowfall Average snowfall days Average sea temperature Average daylight Average sunshine Average sunshine days Average UV index Average cloud cover In the harsh winter months, average accumulated snowfall ranges from 40 to 80 inches across the Southern Interior and Northern Interior climate divisions, with the northern tip of the state receiving up to 100 inches. Over the course of the winter in Portland, the chance of a day with only rain decreases from 19% to 12%, the chance of a day with mixed snow and rain remains an essentially constant 6% throughout, and the chance of a day with only snow increases from 4% to 7%. The average snowfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Hall, R. Horton, K. Knuuti, R. Moss, J. Obeysekera, A. The month with the highest number of rainy days is July (14.7 days). The months with the least snowfall days are May, June, July, August and September (0 days). JAN/ 19.2 FEB/ 12.0 MAR/ 12.7 APR/ 2.8 MAY/ 0.0 JUNE/ 0.0 JULY/ 0.0 AUG/ 0.0 SEPT/ 0.0 OCT/ 0.0 2023 Maine Tourism Association. The average snowfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. You can share 5 more gift articles this month. The thin dotted line is the corresponding average rainfall. If the page does not reload within 5 seconds, please refresh the page. 5) How do locals in Portland, Maine handle snowstorms and winter weather. It looks like you do not have any active subscriptions. Warm starts to winter in Maine are becoming the norm, said Paul Mayewski, professor and director of the Climate Change Institute at the University of Maine who has led researchers investigating climate history in the Arctic and Antarctic. Weather Today Weather Hourly 14 Day Forecast Yesterday/Past Weather Climate (Averages) Currently: 61 F. Even in Rangeley, often the go-to spot for snowmobilers, Matt Kennedy of the Rangeley Lake Snowmobile Club reports that trails are not yet open. The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands. In Portland, the chance of a wet day over the course of the winter is gradually decreasing, starting the season at 28% and ending it at 25%. Southern Maine is forecast to receive anywhere from 8-12 inches of snow with Portland expected to get around 10 inches . Lower dew points feel drier and higher dew points feel more humid. Were not at that stage yet.. All the other numbers are averages, based on weather data gathered from 1991 to 2020 at the Portland International Jetport. Tide-gauge records in Portland show a sea level rise of approximately 7.4 inches since 1912. the Press Secretary, Washington, DC. Winter Weather in Portland Maine, United States. For those Mainers hoping to go skiing or snowmobiling in January, the outlook for snow accumulation, at least for this week in Greater Portland, is not very encouraging. The driest month (with the least rainfall) is September (1.18"). Daylight saving time is observed in Portland during 2023, but it neither starts nor ends during the winter, so the entire season is in standard time. The month with the longest days is June (Average daylight: 15h and 24min). The outdoor ice rink at Thompsons Point in Portland is open. James II, and T.G. Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database . Annual averages for rainfall plus snowfall; Days Place Inches Millimetres; 137: Augusta: 41.8 . The Coastal Division, which extends for about twenty miles inland along the length of the coast, is tempered by the ocean, resulting in lower summer and higher winter temperatures than are typical of interior zones. Derek Davis/Staff Photographer. Precipitation since 2005 has averaged 6.6 inches more than during 18952004. The percentage of possible sunshine varies from 50% in Eastport to about 60% in Portland. The month with the least sunshine days is July (13.8 days). The average surface water temperature in Portland is very rapidly decreasing during the fall, falling by 14F, from 61F to 47F, over the course of the season. For reference, on July 26, the hottest day of the year, temperatures in Portland typically range from 62F to 78F, while on January 29, the coldest day of the year, they range from 16F to 32F. Weve got our bridges replanked, our signs are up, our equipment is ready. The topography within 2 miles of Portland contains only modest variations in elevation, with a maximum elevation change of 161 feet and an average elevation above sea level of 23 feet. The number of hours during which the Sun is visible (black line). Precipitation levels also tend to be higher than average throughout the year. Like clockwork, winter's arrival is marked by shorter days, colder temperatures and other challenges. 17, 2021. For additional snow and winter records research you can check out the SPN snow records page. That doesnt mean Maine will not have a cold snap, Mayewski said, but cold snaps will not be as dramatic as they used to be. The city experiences a typical New England climate with warm summers and cold winters. JanFebMarAprMayJunJulAugSepOctNovDec024682.8"2.8"3.9"3.9"4.3"4.3"4.5"4.5"4.7"4.7"4.8"4.8"4.3"4.3"3.7"3.7"4.5"4.5"5.6"5.6"4.5"4.5"4.3"4.3". Easterling, K.E. The earliest seemed to be in the 30-year span of 1970-2000, with the average first snow . Another popular winter sport in Portland is ice skating. Already have a commenting profile? Tubbs predicted Monday will bring extreme cold with temperatures dipping into the low 20s. The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands. In the Southern Interior Division during a very warm summer, temperatures may reach 90 for as many as 25 days, and in the Coastal Division, two to seven days. I can tell climate change is happening.. Climate Normals. Under a higher emissions pathway, historically unprecedented warming is projected during this century. of Science (MS), Ecology and Environmental Sciences, University of Maine. Portland, due to its location in the northeastern part of the country, experiences varying degrees of snowfall throughout the winter season. These snow records are reviewed yearly and updated as new data is recorded. This section reports on the wide-area average surface temperature of that water. In conclusion, while Portland, Maine experiences a significant amount of snow each year, its average snowfall is relatively average when compared to other cities in the Northeast region. The month with the most snow in Portland is January, with an average snowfall of 14.7 inches. What is the average annual snowfall in Portland, Maine? People just want to be outside. During the fall in Portland, the chance that a given day is within the growing season is very rapidly decreasing falling from 100% to -0% over the course of the season. But thankfully, after 20+ years of living in Portland, I've learned a trick or two about surviving winter in Portland. In: Hodgkins, G.A., I.C. The months with the highest UV index are June, July and August (UV index 5). Details on observations and projections are available on the Technical Details and Additional Information page. Whether you plan to ski, ice skate, or simply enjoy the beauty of the falling snow, its a time of year that should not be missed in Portland, Maine. They often check on each other, offer assistance with clearing snow, and make sure everyone is safe and warm. Nuisance floods are events in which water levels exceed the local threshold (set by NOAAs National Weather Service) for minor impacts. 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