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Monthly climate in Hillsboro, North Dakota, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Hillsboro features a humid continental climate (Dfb).Temperatures typically range between -13 °C (9 °F) and 22 °C (73 °F) through the year, but rarely can drop to -38 °C (-37 °F) or can rise to as high as 40 °C (105 °F).The average annual precipitation amounts to about 610 mm (24.0 inches) and receives 82 rainy days on the 1 mm (0.04 inches) threshold annually.Hillsboro enjoys an average of 2984 hours of sunshine throughout the year, and daylight varies from 8 hours 30 minutes to 15 hours 52 minutes per day.

Monthly average temperatures in Hillsboro, North Dakota, United States §

The warmest months in Hillsboro are June, July and August, with daily mean temperatures ranging from 20 to 22 °C (69 - 73 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -13 to -8 °C (9 - 18 °F) throughout the day. On average each year, Hillsboro experiences 65 days above 25 °C (77.0 °F) and 162 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Hillsboro, North Dakota, 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 4°C
(39°F)		 11°C
(53°F)		 23°C
(74°F)		 24°C
(75°F)		 34°C
(94°F)		 40°C
(105°F)		 36°C
(96°F)		 35°C
(96°F)		 32°C
(90°F)		 28°C
(83°F)		 23°C
(74°F)		 10°C
(49°F)
Mean maximum 3°C
(37°F)		 4°C
(40°F)		 13°C
(55°F)		 22°C
(71°F)		 30°C
(86°F)		 32°C
(90°F)		 33°C
(92°F)		 33°C
(91°F)		 31°C
(88°F)		 24°C
(75°F)		 12°C
(55°F)		 7°C
(44°F)
Average high -8°C
(18°F)		 -8°C
(18°F)		 2°C
(36°F)		 9°C
(49°F)		 19°C
(67°F)		 26°C
(80°F)		 28°C
(83°F)		 26°C
(79°F)		 21°C
(70°F)		 11°C
(52°F)		 2°C
(35°F)		 -4°C
(25°F)
Daily mean -12°C
(10°F)		 -13°C
(9°F)		 -3°C
(27°F)		 4°C
(40°F)		 13°C
(57°F)		 21°C
(69°F)		 22°C
(73°F)		 20°C
(69°F)		 16°C
(60°F)		 7°C
(44°F)		 -2°C
(28°F)		 -8°C
(18°F)
Average low -17°C
(2°F)		 -18°C
(0°F)		 -7°C
(19°F)		 -1°C
(31°F)		 7°C
(45°F)		 15°C
(59°F)		 17°C
(63°F)		 14°C
(58°F)		 10°C
(51°F)		 2°C
(36°F)		 -6°C
(21°F)		 -13°C
(10°F)
Mean minimum -33°C
(-28°F)		 -31°C
(-24°F)		 -21°C
(-6°F)		 -10°C
(14°F)		 -1°C
(30°F)		 8°C
(47°F)		 11°C
(52°F)		 8°C
(47°F)		 2°C
(36°F)		 -7°C
(19°F)		 -17°C
(2°F)		 -28°C
(-18°F)
Minimum -38°C
(-37°F)		 -35°C
(-30°F)		 -27°C
(-17°F)		 -15°C
(5°F)		 -4°C
(25°F)		 6°C
(44°F)		 9°C
(48°F)		 7°C
(44°F)		 -2°C
(28°F)		 -10°C
(14°F)		 -21°C
(-5°F)		 -32°C
(-26°F)

Compare climate in Hillsboro with other places

Compare temperature, precipitation, sunshine, UV index in Hillsboro, North Dakota, United States with other places around the world.

Monthly average precipitation in Hillsboro, North Dakota, United States §

Hillsboro usually has the most precipitation in June, August and October, with an average of 8 rainy days and 85 mm (3.4 inches) of precipitation per month.The driest months in Hillsboro are January, February and November. On average, 20 mm (0.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Hillsboro, North Dakota, 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) 18 (0.7) 20 (0.8) 26 (1.0) 43 (1.7) 54 (2.1) 90 (3.5) 60 (2.4) 85 (3.4) 72 (2.8) 80 (3.2) 23 (0.9) 39 (1.6)
Average precipitation days (≥ 1 mm) 3 5 5 6 9 9 8 9 8 8 5 7

Monthly sunshine hours in Hillsboro, North Dakota, United States §

The sunniest months in Hillsboro are June, July and August, when the sun shines an average of 11 hours 18 minutes a day.Least sunny months in Hillsboro: January, November and December receive an average of 5 hours 11 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Hillsboro, North Dakota, 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 142 207 245 255 302 352 368 319 254 199 170 164
Mean daily daylight hours 8h 56m 10h 16m 11h 57m 13h 39m 15h 7m 15h 52m 15h 27m 14h 8m 12h 29m 10h 47m 9h 17m 8h 30m

Solar UV radiation in Hillsboro, North Dakota, United States §

Hillsboro experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 8 - 9, 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 Hillsboro UV Index data.

Average daily maximum UV levels by month for Hillsboro, North Dakota, 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 8 9 9 8 7 4 3 2