Average Weather in Saint George Maine, United States
In Saint George, the summers are comfortable; the winters are freezing, wet, and windy; and it is partly cloudy year round. Over the course of the year, the temperature typically varies from 15°F to 74°F and is rarely below 0°F or above 83°F.
Based on the tourism score, the best time of year to visit Saint George for warm-weather activities is from late June to early September.
The warm season lasts for 3.3 months, from June 7 to September 18, with an average daily high temperature above 66°F. The hottest day of the year is July 27, with an average high of 74°F and low of 59°F.
The cold season lasts for 3.3 months, from December 6 to March 16, with an average daily high temperature below 40°F. The coldest day of the year is January 29, with an average low of 15°F and high of 31°F.
Average High and Low Temperature
The figure below shows you a compact characterization of the entire year of hourly average temperatures. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.
Average Hourly Temperature
In Saint George, the average percentage of the sky covered by clouds experiences significant seasonal variation over the course of the year.
The clearer part of the year in Saint George begins around June 26 and lasts for 4.2 months, ending around November 2. On September 3, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 64% of the time, and overcast or mostly cloudy 36% of the time.
The cloudier part of the year begins around November 2 and lasts for 7.8 months, ending around June 26. On May 16, the cloudiest day of the year, the sky is overcast or mostly cloudy 57% of the time, and clear, mostly clear, or partly cloudy 43% of the time.
Cloud Cover Categories
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days in Saint George varies throughout the year.
The wetter season lasts 10 months, from September 23 to August 5, with a greater than 27% chance of a given day being a wet day. The chance of a wet day peaks at 32% on June 14.
The drier season lasts 1.6 months, from August 5 to September 23. The smallest chance of a wet day is 21% on August 30.
Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 32% on June 14.
Daily Chance of Precipitation
To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. Saint George experiences significant seasonal variation in monthly rainfall.
Rain falls throughout the year in Saint George. The most rain falls during the 31 days centered around November 6, with an average total accumulation of 4.4 inches.
The least rain falls around January 29, with an average total accumulation of 2.0 inches.
Average Monthly Rainfall
We report snowfall in liquid-equivalent terms. The actual depth of new snowfall is typically between 5 and 10 times the liquid-equivalent amount, assuming the ground is frozen. Colder, drier snow tends to be on the higher end of that range and warmer, wetter snow on the lower end.
As with rainfall, we consider the snowfall accumulated over a sliding 31-day period centered around each day of the year. Saint George experiences significant seasonal variation in monthly liquid-equivalent snowfall.
The snowy period of the year lasts for 5.8 months, from October 30 to April 23, with a sliding 31-day liquid-equivalent snowfall of at least 0.1 inches. The most snow falls during the 31 days centered around January 24, with an average total liquid-equivalent accumulation of 1.2 inches.
The snowless period of the year lasts for 6.2 months, from April 23 to October 30. The least snow falls around July 21, with an average total liquid-equivalent accumulation of 0.0 inches.
Average Liquid-Equivalent Monthly Snowfall
The length of the day in Saint George varies significantly over the course of the year. In 2018, the shortest day is December 21, with 8 hours, 53 minutes of daylight; the longest day is June 21, with 15 hours, 29 minutes of daylight.
Hours of Daylight and Twilight
The earliest sunrise is at 4:53 AM on June 15, and the latest sunrise is 2 hours, 23 minutes later at 7:15 AM on November 3. The earliest sunset is at 3:58 PM on December 9, and the latest sunset is 4 hours, 25 minutes later at 8:23 PM on June 26.
Daylight saving time (DST) is observed in Saint George during 2018, starting in the spring on March 11, lasting 7.8 months, and ending in the fall on November 4.
Sunrise & Sunset with Twilight and Daylight Saving Time
Saint George experiences some seasonal variation in the perceived humidity.
The muggier period of the year lasts for 2.6 months, from June 23 to September 10, during which time the comfort level is muggy, oppressive, or miserable at least 3% of the time. The muggiest day of the year is August 2, with muggy conditions 14% of the time.
The least muggy day of the year is March 6, when muggy conditions are essentially unheard of.
Humidity Comfort Levels
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in Saint George experiences significant seasonal variation over the course of the year.
The windier part of the year lasts for 6.1 months, from October 13 to April 17, with average wind speeds of more than 9.3 miles per hour. The windiest day of the year is January 31, with an average hourly wind speed of 12.4 miles per hour.
The calmer time of year lasts for 5.9 months, from April 17 to October 13. The calmest day of the year is August 8, with an average hourly wind speed of 6.2 miles per hour.
Average Wind Speed
The predominant average hourly wind direction in Saint George varies throughout the year.
The wind is most often from the north for 2.3 months, from February 9 to April 17, with a peak percentage of 39% on February 11. The wind is most often from the south for 5.6 months, from April 17 to October 6, with a peak percentage of 44% on July 2. The wind is most often from the west for 4.1 months, from October 6 to February 9, with a peak percentage of 43% on January 1.
Saint George is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.
The average water temperature experiences significant seasonal variation over the course of the year.
The time of year with warmer water lasts for 3.0 months, from July 1 to September 30, with an average temperature above 55°F. The day of the year with the warmest water is August 14, with an average temperature of 59°F.
The time of year with cooler water lasts for 3.5 months, from January 11 to April 26, with an average temperature below 42°F. The day of the year with the coolest water is March 10, with an average temperature of 37°F.
Average Water Temperature
Best Time of Year to Visit
To characterize how pleasant the weather is in Saint George throughout the year, we compute two travel scores.
The tourism score favors clear, rainless days with perceived temperatures between 65°F and 80°F. Based on this score, the best time of year to visit Saint George for general outdoor tourist activities is from late June to early September, with a peak score in the second week of August.
The beach/pool score favors clear, rainless days with perceived temperatures between 75°F and 90°F. Based on this score, the best time of year to visit Saint George for hot-weather activities is from mid July to mid August, with a peak score in the last week of July.
For each hour between 8:00 AM and 9:00 PM of each day in the analysis period (1980 to 2016), independent scores are computed for perceived temperature, cloud cover, and total precipitation. Those scores are combined into a single hourly composite score, which is then aggregated into days, averaged over all the years in the analysis period, and smoothed.
Our cloud cover score is 10 for fully clear skies, falling linearly to 9 for mostly clear skies, and to 1 for fully overcast skies.
Our precipitation score, which is based on the three-hour precipitation centered on the hour in question, is 10 for no precipitation, falling linearly to 9 for trace precipitation, and to 0 for 0.04 inches of precipitation or more.
Our tourism temperature score is 0 for perceived temperatures below 50°F, rising linearly to 9 for 65°F, to 10 for 75°F, falling linearly to 9 for 80°F, and to 1 for 90°F or hotter.
Our beach/pool temperature score is 0 for perceived temperatures below 65°F, rising linearly to 9 for 75°F, to 10 for 82°F, falling linearly to 9 for 90°F, and to 1 for 100°F or hotter.
The growing season in Saint George typically lasts for 5.4 months (166 days), from around May 1 to around October 14, rarely starting before April 15 or after May 17, and rarely ending before September 28 or after October 31.
Time Spent in Various Temperature Bands and the Growing Season
Based on growing degree days alone, the first spring blooms in Saint George should appear around May 21, only rarely appearing before May 12 or after May 30.
Growing Degree Days
The average daily incident shortwave solar energy experiences extreme seasonal variation over the course of the year.
The brighter period of the year lasts for 3.5 months, from May 9 to August 23, with an average daily incident shortwave energy per square meter above 5.7 kWh. The brightest day of the year is July 1, with an average of 6.8 kWh.
The darker period of the year lasts for 3.4 months, from November 1 to February 11, with an average daily incident shortwave energy per square meter below 2.5 kWh. The darkest day of the year is December 24, with an average of 1.4 kWh.
Average Daily Incident Shortwave Solar Energy
For the purposes of this report, the geographical coordinates of Saint George are 44.016 deg latitude, -69.199 deg longitude, and 39 ft elevation.
The topography within 2 miles of Saint George contains only modest variations in elevation, with a maximum elevation change of 128 feet and an average elevation above sea level of 45 feet. Within 10 miles contains only modest variations in elevation (650 feet). Within 50 miles contains significant variations in elevation (1,371 feet).
The area within 2 miles of Saint George is covered by trees (63%) and water (33%), within 10 miles by water (53%) and trees (40%), and within 50 miles by water (58%) and trees (38%).
This report illustrates the typical weather in Saint George, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.
Temperature and Dew Point
There are 2 weather stations near enough to contribute to our estimation of the temperature and dew point in Saint George.
For each station, the records are corrected for the elevation difference between that station and Saint George according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.
The estimated value at Saint George is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Saint George and a given station.
Time zones for aiports and weather stations are provided by AskGeo.com .