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Monthly climate in Dows, Iowa, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Dows features a humid continental climate (Dfa).Temperatures typically range between -7 °C (19 °F) and 24 °C (75 °F) through the year, but rarely can drop to -34 °C (-28 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 1020 mm (40.1 inches) and receives 107 rainy days on the 1 mm (0.04 inches) threshold annually.Dows enjoys an average of 3026 hours of sunshine throughout the year, and daylight varies from 9 hours 3 minutes to 15 hours 16 minutes per day.

Monthly average temperatures in Dows, Iowa, United States §

The warmest months in Dows are June, July and August, with daily mean temperatures ranging from 22 to 24 °C (72 - 75 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -7 to -2 °C (19 - 28 °F) throughout the day. On average each year, Dows experiences 83 days above 25 °C (77.0 °F) and 133 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Dows, 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 12°C
(53°F)		 20°C
(68°F)		 22°C
(73°F)		 29°C
(84°F)		 35°C
(95°F)		 37°C
(98°F)		 34°C
(94°F)		 37°C
(99°F)		 34°C
(94°F)		 31°C
(88°F)		 25°C
(77°F)		 21°C
(70°F)
Mean maximum 9°C
(49°F)		 12°C
(53°F)		 19°C
(67°F)		 25°C
(77°F)		 32°C
(89°F)		 33°C
(92°F)		 34°C
(93°F)		 32°C
(90°F)		 32°C
(90°F)		 29°C
(85°F)		 18°C
(65°F)		 15°C
(59°F)
Average high -3°C
(28°F)		 -2°C
(28°F)		 7°C
(45°F)		 14°C
(57°F)		 21°C
(70°F)		 28°C
(82°F)		 28°C
(84°F)		 27°C
(81°F)		 25°C
(76°F)		 15°C
(60°F)		 7°C
(45°F)		 2°C
(36°F)
Daily mean -7°C
(20°F)		 -7°C
(19°F)		 2°C
(36°F)		 8°C
(47°F)		 16°C
(61°F)		 23°C
(73°F)		 24°C
(75°F)		 22°C
(72°F)		 19°C
(66°F)		 10°C
(50°F)		 2°C
(36°F)		 -2°C
(28°F)
Average low -11°C
(12°F)		 -12°C
(11°F)		 -2°C
(28°F)		 2°C
(37°F)		 11°C
(52°F)		 17°C
(63°F)		 19°C
(66°F)		 17°C
(62°F)		 13°C
(56°F)		 5°C
(42°F)		 -3°C
(27°F)		 -6°C
(21°F)
Mean minimum -25°C
(-12°F)		 -26°C
(-14°F)		 -14°C
(7°F)		 -7°C
(19°F)		 3°C
(37°F)		 11°C
(52°F)		 13°C
(56°F)		 11°C
(52°F)		 6°C
(43°F)		 -4°C
(25°F)		 -13°C
(10°F)		 -18°C
(1°F)
Minimum -33°C
(-28°F)		 -34°C
(-28°F)		 -24°C
(-10°F)		 -13°C
(9°F)		 0°C
(33°F)		 9°C
(48°F)		 12°C
(54°F)		 10°C
(50°F)		 3°C
(37°F)		 -8°C
(18°F)		 -17°C
(1°F)		 -23°C
(-8°F)

Compare climate in Dows with other places

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

Monthly average precipitation in Dows, Iowa, United States §

Dows usually has the most precipitation in May, September and October, with an average of 11 rainy days and 134 mm (5.3 inches) of precipitation per month.The driest months in Dows are January, November and December. On average, 39 mm (1.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Dows, 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) 46 (1.8) 73 (2.9) 78 (3.1) 167 (6.6) 111 (4.4) 90 (3.5) 103 (4.1) 113 (4.5) 121 (4.8) 46 (1.8) 37 (1.4)
Average precipitation days (≥ 1 mm) 5 7 7 9 15 13 9 10 10 10 7 5

Monthly sunshine hours in Dows, Iowa, United States §

The sunniest months in Dows are June, July and August, when the sun shines an average of 11 hours 25 minutes a day.Least sunny months in Dows: January, February and December receive an average of 5 hours 53 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Dows, 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 139 194 228 248 265 346 373 331 266 224 205 202
Mean daily daylight hours 9h 25m 10h 32m 11h 58m 13h 25m 14h 39m 15h 16m 14h 56m 13h 49m 12h 26m 10h 59m 9h 42m 9h 3m

Solar UV radiation in Dows, Iowa, United States §

Dows 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 3. For more detailed information, check out our hourly Dows UV Index data.

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