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Monthly climate in Olin, Iowa, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Olin features a humid continental climate (Dfa).Temperatures typically range between -6 °C (21 °F) and 24 °C (76 °F) through the year, but rarely can drop to -34 °C (-28 °F) or can rise to as high as 36 °C (96 °F).The average annual precipitation amounts to about 1049 mm (41.3 inches) and receives 113 rainy days on the 1 mm (0.04 inches) threshold annually.Olin enjoys an average of 2931 hours of sunshine throughout the year, and daylight varies from 9 hours 8 minutes to 15 hours 11 minutes per day.

Monthly average temperatures in Olin, Iowa, United States §

The warmest months in Olin are June, July and August, with daily mean temperatures ranging from 22 to 24 °C (72 - 76 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -6 to -1 °C (21 - 30 °F) throughout the day. On average each year, Olin experiences 88 days above 25 °C (77.0 °F) and 122 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Olin, 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
(54°F)		 22°C
(71°F)		 23°C
(74°F)		 28°C
(83°F)		 34°C
(94°F)		 35°C
(95°F)		 36°C
(96°F)		 34°C
(93°F)		 33°C
(92°F)		 31°C
(88°F)		 23°C
(74°F)		 22°C
(71°F)
Mean maximum 8°C
(47°F)		 13°C
(56°F)		 19°C
(67°F)		 26°C
(79°F)		 31°C
(89°F)		 33°C
(91°F)		 33°C
(92°F)		 32°C
(90°F)		 32°C
(89°F)		 30°C
(86°F)		 18°C
(64°F)		 16°C
(60°F)
Average high -2°C
(28°F)		 -0°C
(32°F)		 8°C
(47°F)		 14°C
(58°F)		 21°C
(71°F)		 27°C
(82°F)		 29°C
(84°F)		 27°C
(82°F)		 25°C
(77°F)		 16°C
(62°F)		 8°C
(46°F)		 4°C
(39°F)
Daily mean -6°C
(21°F)		 -5°C
(23°F)		 3°C
(38°F)		 9°C
(48°F)		 16°C
(62°F)		 23°C
(73°F)		 24°C
(76°F)		 22°C
(72°F)		 19°C
(67°F)		 11°C
(53°F)		 3°C
(38°F)		 -1°C
(30°F)
Average low -10°C
(14°F)		 -10°C
(15°F)		 -1°C
(30°F)		 3°C
(38°F)		 11°C
(53°F)		 17°C
(63°F)		 19°C
(67°F)		 17°C
(62°F)		 14°C
(57°F)		 7°C
(44°F)		 -2°C
(29°F)		 -5°C
(23°F)
Mean minimum -25°C
(-13°F)		 -24°C
(-10°F)		 -14°C
(7°F)		 -6°C
(22°F)		 3°C
(37°F)		 12°C
(53°F)		 14°C
(57°F)		 12°C
(53°F)		 6°C
(43°F)		 -3°C
(26°F)		 -11°C
(13°F)		 -15°C
(5°F)
Minimum -33°C
(-26°F)		 -34°C
(-28°F)		 -24°C
(-10°F)		 -10°C
(14°F)		 -1°C
(31°F)		 9°C
(48°F)		 12°C
(54°F)		 11°C
(51°F)		 2°C
(36°F)		 -6°C
(22°F)		 -16°C
(3°F)		 -22°C
(-8°F)

Compare climate in Olin with other places

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

Monthly average precipitation in Olin, Iowa, United States §

Olin usually has the most precipitation in May, September and October, with an average of 12 rainy days and 134 mm (5.3 inches) of precipitation per month.The driest months in Olin are January, November and December. On average, 48 mm (1.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Olin, 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) 48 (1.9) 59 (2.3) 73 (2.9) 84 (3.3) 143 (5.6) 120 (4.7) 79 (3.1) 88 (3.5) 130 (5.1) 130 (5.1) 49 (1.9) 46 (1.8)
Average precipitation days (≥ 1 mm) 8 8 8 11 15 10 10 10 10 11 7 5

Monthly sunshine hours in Olin, Iowa, United States §

The sunniest months in Olin are June, July and August, when the sun shines an average of 11 hours 2 minutes a day.Least sunny months in Olin: January, February and December receive an average of 5 hours 38 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Olin, 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 131 187 224 237 256 328 359 327 270 212 200 194
Mean daily daylight hours 9h 29m 10h 35m 11h 58m 13h 23m 14h 35m 15h 11m 14h 51m 13h 47m 12h 25m 11h 0m 9h 46m 9h 8m

Solar UV radiation in Olin, Iowa, United States §

Olin 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 Olin UV Index data.

Average daily maximum UV levels by month for Olin, 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