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Monthly climate in Richland, Iowa, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Richland features a humid continental climate (Dfa).Temperatures typically range between -5 °C (24 °F) and 25 °C (77 °F) through the year, but rarely can drop to -31 °C (-24 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 1046 mm (41.2 inches) and receives 107 rainy days on the 1 mm (0.04 inches) threshold annually.Richland enjoys an average of 3010 hours of sunshine throughout the year, and daylight varies from 9 hours 13 minutes to 15 hours 6 minutes per day.

Monthly average temperatures in Richland, Iowa, United States §

The warmest months in Richland are June, July and August, with daily mean temperatures ranging from 23 to 25 °C (74 - 77 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -5 to 0 °C (24 - 32 °F) throughout the day. On average each year, Richland experiences 102 days above 25 °C (77.0 °F) and 112 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Richland, 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 14°C
(57°F)		 22°C
(73°F)		 23°C
(74°F)		 29°C
(85°F)		 36°C
(97°F)		 37°C
(99°F)		 37°C
(98°F)		 37°C
(99°F)		 34°C
(93°F)		 31°C
(89°F)		 24°C
(76°F)		 23°C
(74°F)
Mean maximum 11°C
(52°F)		 15°C
(60°F)		 21°C
(69°F)		 27°C
(81°F)		 32°C
(90°F)		 34°C
(94°F)		 35°C
(95°F)		 34°C
(93°F)		 33°C
(91°F)		 30°C
(87°F)		 19°C
(66°F)		 17°C
(64°F)
Average high -0°C
(31°F)		 1°C
(35°F)		 10°C
(50°F)		 16°C
(60°F)		 22°C
(73°F)		 29°C
(84°F)		 30°C
(86°F)		 29°C
(84°F)		 26°C
(80°F)		 17°C
(63°F)		 9°C
(49°F)		 5°C
(41°F)
Daily mean -5°C
(24°F)		 -4°C
(26°F)		 5°C
(41°F)		 10°C
(50°F)		 17°C
(63°F)		 24°C
(75°F)		 25°C
(77°F)		 23°C
(74°F)		 20°C
(69°F)		 12°C
(54°F)		 4°C
(39°F)		 0°C
(32°F)
Average low -9°C
(16°F)		 -8°C
(17°F)		 0°C
(33°F)		 4°C
(40°F)		 12°C
(54°F)		 18°C
(65°F)		 20°C
(68°F)		 18°C
(64°F)		 15°C
(59°F)		 7°C
(45°F)		 -1°C
(31°F)		 -4°C
(24°F)
Mean minimum -23°C
(-9°F)		 -21°C
(-5°F)		 -11°C
(12°F)		 -5°C
(23°F)		 4°C
(40°F)		 12°C
(55°F)		 15°C
(59°F)		 12°C
(54°F)		 7°C
(45°F)		 -3°C
(27°F)		 -11°C
(12°F)		 -15°C
(6°F)
Minimum -30°C
(-23°F)		 -31°C
(-24°F)		 -20°C
(-3°F)		 -10°C
(15°F)		 1°C
(34°F)		 9°C
(48°F)		 13°C
(56°F)		 11°C
(52°F)		 5°C
(42°F)		 -5°C
(24°F)		 -16°C
(4°F)		 -22°C
(-7°F)

Compare climate in Richland with other places

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

Monthly average precipitation in Richland, Iowa, United States §

Richland usually has the most precipitation in May, June and October, with an average of 11 rainy days and 138 mm (5.4 inches) of precipitation per month.The driest months in Richland are January, November and December. On average, 49 mm (1.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Richland, 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) 50 (2.0) 56 (2.2) 87 (3.4) 81 (3.2) 151 (5.9) 137 (5.4) 70 (2.8) 70 (2.8) 121 (4.8) 126 (5.0) 52 (2.1) 45 (1.8)
Average precipitation days (≥ 1 mm) 6 8 10 11 15 10 10 7 8 10 7 5

Monthly sunshine hours in Richland, Iowa, United States §

The sunniest months in Richland are June, July and August, when the sun shines an average of 11 hours 15 minutes a day.Least sunny months in Richland: January, February and December receive an average of 5 hours 45 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Richland, 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 131 187 225 248 267 337 363 334 277 224 206 204
Mean daily daylight hours 9h 33m 10h 37m 11h 58m 13h 21m 14h 31m 15h 6m 14h 47m 13h 44m 12h 24m 11h 2m 9h 50m 9h 13m

Solar UV radiation in Richland, Iowa, United States §

Richland experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 11, which corresponds to the Very High / Extreme 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 4. For more detailed information, check out our hourly Richland UV Index data.

Average daily maximum UV levels by month for Richland, 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 6 8 9 11 10 9 8 6 4 3