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Monthly climate in Saint Francis, Maine, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Saint Francis features a humid continental climate (Dfb). Temperatures typically range between -11 °C (13 °F) and 19 °C (66 °F) through the year, but rarely can drop to -32 °C (-25 °F) or can rise to as high as 33 °C (92 °F). The average annual precipitation amounts to about 1061 mm (41.8 inches) and receives 140 rainy days on the 1 mm (0.04 inches) threshold annually. Saint Francis enjoys an average of 2789 hours of sunshine throughout the year, and daylight varies from 8 hours 32 minutes to 15 hours 50 minutes per day.

Monthly average temperatures in Saint Francis, Maine, United States §

The warmest months in Saint Francis are June, July and August, with daily mean temperatures ranging from 15 to 19 °C (60 - 66 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -11 to -8 °C (13 - 18 °F) throughout the day. On average each year, Saint Francis experiences 26 days above 25 °C (77.0 °F) and 165 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Saint Francis, Maine, United States. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 9°C
(49°F)		 8°C
(47°F)		 16°C
(60°F)		 18°C
(65°F)		 32°C
(90°F)		 33°C
(92°F)		 32°C
(90°F)		 31°C
(88°F)		 28°C
(83°F)		 22°C
(73°F)		 21°C
(70°F)		 13°C
(56°F)
Mean maximum 4°C
(39°F)		 6°C
(42°F)		 9°C
(48°F)		 16°C
(61°F)		 27°C
(81°F)		 27°C
(81°F)		 29°C
(85°F)		 29°C
(84°F)		 26°C
(80°F)		 19°C
(67°F)		 15°C
(59°F)		 8°C
(47°F)
Average high -6°C
(21°F)		 -5°C
(23°F)		 -0°C
(32°F)		 7°C
(45°F)		 16°C
(61°F)		 21°C
(69°F)		 24°C
(75°F)		 23°C
(74°F)		 18°C
(65°F)		 11°C
(52°F)		 3°C
(37°F)		 -4°C
(26°F)
Daily mean -11°C
(13°F)		 -10°C
(15°F)		 -5°C
(24°F)		 2°C
(36°F)		 10°C
(51°F)		 15°C
(60°F)		 19°C
(66°F)		 18°C
(64°F)		 13°C
(56°F)		 7°C
(44°F)		 -1°C
(30°F)		 -8°C
(18°F)
Average low -15°C
(5°F)		 -15°C
(6°F)		 -9°C
(16°F)		 -2°C
(29°F)		 4°C
(40°F)		 10°C
(50°F)		 13°C
(56°F)		 13°C
(55°F)		 8°C
(47°F)		 3°C
(37°F)		 -5°C
(24°F)		 -12°C
(10°F)
Mean minimum -27°C
(-17°F)		 -26°C
(-14°F)		 -21°C
(-6°F)		 -11°C
(13°F)		 -2°C
(28°F)		 3°C
(37°F)		 7°C
(45°F)		 6°C
(42°F)		 -0°C
(32°F)		 -5°C
(24°F)		 -18°C
(1°F)		 -23°C
(-9°F)
Minimum -32°C
(-25°F)		 -28°C
(-18°F)		 -25°C
(-13°F)		 -14°C
(7°F)		 -3°C
(27°F)		 -1°C
(30°F)		 5°C
(42°F)		 4°C
(40°F)		 -4°C
(25°F)		 -9°C
(17°F)		 -21°C
(-6°F)		 -26°C
(-14°F)

Compare climate in Saint Francis with other places

Compare temperature, precipitation, sunshine, UV index in Saint Francis, Maine, United States with other places around the world.

Monthly average precipitation in Saint Francis, Maine, United States §

Saint Francis usually has the most precipitation in April, October and November, with an average of 12 rainy days and 107 mm (4.2 inches) of precipitation per month. The driest months in Saint Francis are February, August and September. On average, 73 mm (2.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Saint Francis, Maine, United States. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 85 (3.4) 70 (2.8) 81 (3.2) 106 (4.2) 91 (3.6) 95 (3.7) 84 (3.3) 76 (3.0) 74 (2.9) 109 (4.3) 105 (4.1) 84 (3.3)
Average precipitation days (≥ 1 mm) 9 11 11 14 13 13 12 11 11 12 12 11

Monthly sunshine hours in Saint Francis, Maine, United States §

The sunniest months in Saint Francis are June, July and August, when the sun shines an average of 10 hours 50 minutes a day. Least sunny months in Saint Francis: January, November and December receive an average of 4 hours 26 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Saint Francis, Maine, United States. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 114 181 231 228 291 321 345 330 261 188 145 148
Mean daily daylight hours 8h 57m 10h 17m 11h 56m 13h 38m 15h 6m 15h 50m 15h 26m 14h 8m 12h 29m 10h 48m 9h 19m 8h 32m

Solar UV radiation in Saint Francis, Maine, United States §

Saint Francis experiences the highest level of ultraviolet (UV) radiation in April, June and August, when the maximum UV index can reach values of 8 - 9, which corresponds to the Very High category of sun exposure. January, February and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. For more detailed information, check out our hourly Saint Francis UV Index data.

Average daily maximum UV levels by month for Saint Francis, Maine, United States. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 2 3 5 8 8 9 8 8 7 5 3 2

Detailed Monthly Weather Insights for Saint Francis, Maine, United States

Discover in-depth weather details for every month in Saint Francis. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Saint Francis's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.