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Monthly climate in South Sanford, Maine, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification South Sanford features a humid continental climate (Dfb).Temperatures typically range between -3 °C (26 °F) and 22 °C (72 °F) through the year, but rarely can drop to -23 °C (-9 °F) or can rise to as high as 36 °C (97 °F).The average annual precipitation amounts to about 1213 mm (47.7 inches) and receives 120 rainy days on the 1 mm (0.04 inches) threshold annually.South Sanford enjoys an average of 2992 hours of sunshine throughout the year, and daylight varies from 8 hours 59 minutes to 15 hours 20 minutes per day.

Monthly average temperatures in South Sanford, Maine, United States §

The warmest months in South Sanford are June, July and August, with daily mean temperatures ranging from 19 to 22 °C (67 - 72 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -3 to -1 °C (26 - 30 °F) throughout the day. On average each year, South Sanford experiences 57 days above 25 °C (77.0 °F) and 114 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in South Sanford, 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 16°C
(61°F)		 21°C
(70°F)		 20°C
(69°F)		 28°C
(83°F)		 34°C
(93°F)		 36°C
(97°F)		 34°C
(94°F)		 34°C
(93°F)		 32°C
(90°F)		 28°C
(82°F)		 23°C
(74°F)		 15°C
(60°F)
Mean maximum 11°C
(53°F)		 14°C
(57°F)		 17°C
(62°F)		 21°C
(71°F)		 31°C
(88°F)		 31°C
(88°F)		 33°C
(92°F)		 32°C
(90°F)		 30°C
(86°F)		 25°C
(77°F)		 20°C
(68°F)		 14°C
(57°F)
Average high 1°C
(33°F)		 2°C
(36°F)		 6°C
(42°F)		 12°C
(53°F)		 18°C
(65°F)		 24°C
(76°F)		 27°C
(80°F)		 26°C
(80°F)		 23°C
(73°F)		 16°C
(61°F)		 8°C
(47°F)		 2°C
(37°F)
Daily mean -3°C
(26°F)		 -2°C
(28°F)		 1°C
(34°F)		 7°C
(45°F)		 13°C
(56°F)		 19°C
(67°F)		 22°C
(72°F)		 22°C
(71°F)		 18°C
(64°F)		 12°C
(53°F)		 4°C
(40°F)		 -1°C
(30°F)
Average low -8°C
(19°F)		 -7°C
(20°F)		 -3°C
(27°F)		 3°C
(38°F)		 9°C
(48°F)		 14°C
(58°F)		 18°C
(64°F)		 17°C
(63°F)		 13°C
(57°F)		 8°C
(46°F)		 0°C
(33°F)		 -5°C
(24°F)
Mean minimum -19°C
(-1°F)		 -18°C
(0°F)		 -15°C
(5°F)		 -3°C
(28°F)		 2°C
(36°F)		 9°C
(48°F)		 13°C
(56°F)		 11°C
(53°F)		 6°C
(44°F)		 0°C
(33°F)		 -9°C
(16°F)		 -15°C
(6°F)
Minimum -23°C
(-8°F)		 -21°C
(-5°F)		 -19°C
(-2°F)		 -4°C
(25°F)		 1°C
(34°F)		 4°C
(40°F)		 11°C
(52°F)		 9°C
(49°F)		 3°C
(37°F)		 -2°C
(28°F)		 -14°C
(7°F)		 -23°C
(-9°F)

Compare climate in South Sanford with other places

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

Monthly average precipitation in South Sanford, Maine, United States §

South Sanford usually has the most precipitation in April, July and October, with an average of 12 rainy days and 135 mm (5.3 inches) of precipitation per month.The driest months in South Sanford are January, May and September. On average, 77 mm (3.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in South Sanford, 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) 81 (3.2) 92 (3.6) 81 (3.2) 130 (5.1) 75 (3.0) 86 (3.4) 146 (5.7) 82 (3.2) 74 (2.9) 129 (5.1) 110 (4.3) 128 (5.0)
Average precipitation days (≥ 1 mm) 8 10 9 12 9 11 13 10 7 11 10 10

Monthly sunshine hours in South Sanford, Maine, United States §

The sunniest months in South Sanford are June, July and August, when the sun shines an average of 10 hours 53 minutes a day.Least sunny months in South Sanford: January, February and December receive an average of 5 hours 32 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in South Sanford, 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 148 181 256 243 290 330 333 336 290 216 189 174
Mean daily daylight hours 9h 21m 10h 30m 11h 57m 13h 27m 14h 42m 15h 20m 15h 0m 13h 52m 12h 26m 10h 57m 9h 39m 8h 59m

Solar UV radiation in South Sanford, Maine, United States §

South Sanford experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 9 - 10, which corresponds to the Very High category of sun exposure.January, November 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 South Sanford UV Index data.

Average daily maximum UV levels by month for South Sanford, 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 4 5 8 9 10 9 9 7 5 3 2