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Monthly climate in Rollinsford, New Hampshire, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Rollinsford features a humid continental climate (Dfb).Temperatures typically range between -2 °C (28 °F) and 22 °C (72 °F) through the year, but rarely can drop to -21 °C (-6 °F) or can rise to as high as 36 °C (97 °F).The average annual precipitation amounts to about 1196 mm (47.1 inches) and receives 120 rainy days on the 1 mm (0.04 inches) threshold annually.Rollinsford enjoys an average of 3005 hours of sunshine throughout the year, and daylight varies from 9 hours 1 minutes to 15 hours 19 minutes per day.

Monthly average temperatures in Rollinsford, New Hampshire, United States §

The warmest months in Rollinsford 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 -2 to 0 °C (28 - 32 °F) throughout the day. On average each year, Rollinsford experiences 55 days above 25 °C (77.0 °F) and 101 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Rollinsford, New Hampshire, 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 17°C
(62°F)		 21°C
(70°F)		 21°C
(70°F)		 30°C
(86°F)		 34°C
(93°F)		 35°C
(95°F)		 36°C
(97°F)		 34°C
(94°F)		 33°C
(91°F)		 28°C
(83°F)		 23°C
(74°F)		 16°C
(60°F)
Mean maximum 12°C
(54°F)		 15°C
(59°F)		 17°C
(62°F)		 21°C
(71°F)		 30°C
(87°F)		 31°C
(88°F)		 34°C
(93°F)		 32°C
(90°F)		 30°C
(86°F)		 25°C
(78°F)		 20°C
(68°F)		 14°C
(57°F)
Average high 2°C
(35°F)		 3°C
(37°F)		 6°C
(43°F)		 12°C
(54°F)		 18°C
(65°F)		 24°C
(75°F)		 27°C
(80°F)		 26°C
(80°F)		 23°C
(73°F)		 16°C
(62°F)		 9°C
(48°F)		 3°C
(38°F)
Daily mean -2°C
(28°F)		 -1°C
(30°F)		 2°C
(36°F)		 8°C
(46°F)		 14°C
(57°F)		 19°C
(67°F)		 22°C
(72°F)		 22°C
(72°F)		 18°C
(65°F)		 12°C
(54°F)		 5°C
(41°F)		 0°C
(32°F)
Average low -6°C
(22°F)		 -5°C
(23°F)		 -2°C
(29°F)		 4°C
(39°F)		 9°C
(49°F)		 15°C
(59°F)		 18°C
(65°F)		 18°C
(65°F)		 14°C
(58°F)		 9°C
(48°F)		 1°C
(34°F)		 -3°C
(26°F)
Mean minimum -16°C
(3°F)		 -16°C
(4°F)		 -13°C
(9°F)		 -2°C
(30°F)		 3°C
(38°F)		 9°C
(49°F)		 14°C
(57°F)		 12°C
(54°F)		 8°C
(46°F)		 2°C
(35°F)		 -8°C
(18°F)		 -12°C
(10°F)
Minimum -21°C
(-6°F)		 -17°C
(1°F)		 -17°C
(2°F)		 -3°C
(26°F)		 2°C
(35°F)		 5°C
(42°F)		 12°C
(54°F)		 10°C
(51°F)		 4°C
(40°F)		 -1°C
(31°F)		 -13°C
(9°F)		 -21°C
(-5°F)

Compare climate in Rollinsford with other places

Compare temperature, precipitation, sunshine, UV index in Rollinsford, New Hampshire, United States with other places around the world.

Monthly average precipitation in Rollinsford, New Hampshire, United States §

Rollinsford usually has the most precipitation in April, July and October, with an average of 12 rainy days and 131 mm (5.2 inches) of precipitation per month.The driest months in Rollinsford are May, August and September. On average, 75 mm (3.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Rollinsford, New Hampshire, 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) 77 (3.0) 93 (3.7) 85 (3.4) 131 (5.1) 74 (2.9) 84 (3.3) 131 (5.2) 77 (3.0) 75 (2.9) 132 (5.2) 107 (4.2) 130 (5.1)
Average precipitation days (≥ 1 mm) 8 10 9 12 10 11 13 9 7 11 10 10

Monthly sunshine hours in Rollinsford, New Hampshire, United States §

The sunniest months in Rollinsford are June, July and August, when the sun shines an average of 10 hours 53 minutes a day.Least sunny months in Rollinsford: January, February and December receive an average of 5 hours 35 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Rollinsford, New Hampshire, 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 150 183 255 245 295 330 335 336 284 220 193 175
Mean daily daylight hours 9h 22m 10h 31m 11h 57m 13h 26m 14h 41m 15h 19m 14h 58m 13h 51m 12h 26m 10h 58m 9h 41m 9h 1m

Solar UV radiation in Rollinsford, New Hampshire, United States §

Rollinsford 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 Rollinsford UV Index data.

Average daily maximum UV levels by month for Rollinsford, New Hampshire, 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 7 9 10 9 9 7 5 3 2