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Monthly climate in Northwood, Iowa, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Northwood features a humid continental climate (Dfa).Temperatures typically range between -8 °C (17 °F) and 23 °C (74 °F) through the year, but rarely can drop to -35 °C (-30 °F) or can rise to as high as 36 °C (96 °F).The average annual precipitation amounts to about 1031 mm (40.6 inches) and receives 110 rainy days on the 1 mm (0.04 inches) threshold annually.Northwood enjoys an average of 2965 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 Northwood, Iowa, United States §

The warmest months in Northwood are June, July and August, with daily mean temperatures ranging from 21 to 23 °C (70 - 74 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -8 to -3 °C (17 - 26 °F) throughout the day. On average each year, Northwood experiences 75 days above 25 °C (77.0 °F) and 140 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Northwood, Iowa, 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 10°C
(49°F)		 18°C
(65°F)		 22°C
(72°F)		 28°C
(82°F)		 35°C
(95°F)		 36°C
(96°F)		 34°C
(93°F)		 35°C
(96°F)		 33°C
(92°F)		 30°C
(86°F)		 25°C
(77°F)		 19°C
(67°F)
Mean maximum 7°C
(46°F)		 9°C
(48°F)		 18°C
(65°F)		 24°C
(76°F)		 31°C
(88°F)		 32°C
(91°F)		 33°C
(92°F)		 31°C
(88°F)		 31°C
(88°F)		 28°C
(82°F)		 17°C
(63°F)		 13°C
(56°F)
Average high -4°C
(25°F)		 -4°C
(25°F)		 6°C
(42°F)		 12°C
(54°F)		 20°C
(69°F)		 27°C
(81°F)		 28°C
(82°F)		 26°C
(79°F)		 23°C
(75°F)		 14°C
(58°F)		 6°C
(43°F)		 1°C
(34°F)
Daily mean -8°C
(18°F)		 -8°C
(17°F)		 1°C
(34°F)		 7°C
(45°F)		 15°C
(60°F)		 22°C
(72°F)		 23°C
(74°F)		 21°C
(70°F)		 18°C
(65°F)		 9°C
(49°F)		 1°C
(35°F)		 -3°C
(26°F)
Average low -12°C
(11°F)		 -13°C
(9°F)		 -3°C
(26°F)		 2°C
(35°F)		 10°C
(51°F)		 17°C
(62°F)		 18°C
(65°F)		 16°C
(61°F)		 13°C
(55°F)		 5°C
(41°F)		 -3°C
(26°F)		 -7°C
(19°F)
Mean minimum -26°C
(-14°F)		 -26°C
(-14°F)		 -16°C
(3°F)		 -8°C
(18°F)		 2°C
(36°F)		 10°C
(51°F)		 13°C
(56°F)		 10°C
(51°F)		 5°C
(42°F)		 -5°C
(24°F)		 -13°C
(9°F)		 -20°C
(-4°F)
Minimum -34°C
(-29°F)		 -35°C
(-30°F)		 -26°C
(-14°F)		 -15°C
(6°F)		 -0°C
(32°F)		 8°C
(47°F)		 12°C
(53°F)		 9°C
(49°F)		 3°C
(37°F)		 -9°C
(16°F)		 -17°C
(1°F)		 -23°C
(-10°F)

Compare climate in Northwood with other places

Compare temperature, precipitation, sunshine, UV index in Northwood, Iowa, United States with other places around the world.

Monthly average precipitation in Northwood, Iowa, United States §

Northwood usually has the most precipitation in May, June and August, with an average of 12 rainy days and 134 mm (5.3 inches) of precipitation per month.The driest months in Northwood are January, February and December. On average, 40 mm (1.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Northwood, Iowa, 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) 35 (1.4) 47 (1.8) 71 (2.8) 81 (3.2) 152 (6.0) 138 (5.4) 96 (3.8) 112 (4.4) 111 (4.4) 106 (4.2) 47 (1.8) 37 (1.4)
Average precipitation days (≥ 1 mm) 5 7 9 11 15 12 9 10 10 10 7 5

Monthly sunshine hours in Northwood, Iowa, United States §

The sunniest months in Northwood are June, July and August, when the sun shines an average of 11 hours 15 minutes a day.Least sunny months in Northwood: January, November and December receive an average of 5 hours 36 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Northwood, Iowa, 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 136 199 229 239 272 340 366 328 258 214 193 186
Mean daily daylight hours 9h 21m 10h 30m 11h 58m 13h 27m 14h 42m 15h 20m 14h 59m 13h 52m 12h 26m 10h 57m 9h 39m 8h 59m

Solar UV radiation in Northwood, Iowa, United States §

Northwood experiences the highest level of ultraviolet (UV) radiation in June, July 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 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 Northwood UV Index data.

Average daily maximum UV levels by month for Northwood, Iowa, 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) 3 5 5 8 9 10 10 9 8 5 3 3