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Monthly climate in Bloomfield, Iowa, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Bloomfield features a humid continental climate (Dfa).Temperatures typically range between -4 °C (25 °F) and 26 °C (79 °F) through the year, but rarely can drop to -29 °C (-20 °F) or can rise to as high as 38 °C (101 °F).The average annual precipitation amounts to about 1053 mm (41.5 inches) and receives 108 rainy days on the 1 mm (0.04 inches) threshold annually.Bloomfield enjoys an average of 2984 hours of sunshine throughout the year, and daylight varies from 9 hours 17 minutes to 15 hours 2 minutes per day.

Monthly average temperatures in Bloomfield, Iowa, United States §

The warmest months in Bloomfield are June, July and August, with daily mean temperatures ranging from 24 to 26 °C (75 - 79 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -4 to 1 °C (25 - 33 °F) throughout the day. On average each year, Bloomfield experiences 104 days above 25 °C (77.0 °F) and 106 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Bloomfield, 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
(58°F)		 22°C
(72°F)		 23°C
(73°F)		 29°C
(85°F)		 36°C
(98°F)		 38°C
(101°F)		 38°C
(100°F)		 37°C
(98°F)		 34°C
(93°F)		 31°C
(88°F)		 24°C
(75°F)		 23°C
(73°F)
Mean maximum 12°C
(54°F)		 16°C
(62°F)		 21°C
(70°F)		 27°C
(81°F)		 32°C
(90°F)		 34°C
(94°F)		 35°C
(96°F)		 34°C
(94°F)		 32°C
(90°F)		 30°C
(85°F)		 19°C
(66°F)		 18°C
(64°F)
Average high 0°C
(33°F)		 2°C
(37°F)		 10°C
(51°F)		 16°C
(61°F)		 23°C
(73°F)		 29°C
(85°F)		 31°C
(88°F)		 29°C
(85°F)		 26°C
(80°F)		 17°C
(63°F)		 9°C
(49°F)		 6°C
(42°F)
Daily mean -4°C
(25°F)		 -3°C
(28°F)		 5°C
(42°F)		 10°C
(51°F)		 18°C
(64°F)		 24°C
(75°F)		 26°C
(79°F)		 24°C
(75°F)		 21°C
(69°F)		 12°C
(54°F)		 4°C
(40°F)		 1°C
(33°F)
Average low -8°C
(17°F)		 -8°C
(19°F)		 1°C
(34°F)		 5°C
(41°F)		 13°C
(55°F)		 19°C
(66°F)		 21°C
(69°F)		 18°C
(65°F)		 15°C
(60°F)		 8°C
(46°F)		 -0°C
(31°F)		 -4°C
(26°F)
Mean minimum -23°C
(-9°F)		 -21°C
(-5°F)		 -10°C
(13°F)		 -5°C
(24°F)		 5°C
(41°F)		 13°C
(56°F)		 16°C
(61°F)		 13°C
(56°F)		 8°C
(46°F)		 -2°C
(29°F)		 -11°C
(12°F)		 -14°C
(7°F)
Minimum -29°C
(-20°F)		 -29°C
(-20°F)		 -18°C
(-1°F)		 -9°C
(16°F)		 2°C
(36°F)		 10°C
(50°F)		 15°C
(58°F)		 12°C
(54°F)		 6°C
(43°F)		 -4°C
(25°F)		 -16°C
(3°F)		 -22°C
(-8°F)

Compare climate in Bloomfield with other places

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

Monthly average precipitation in Bloomfield, Iowa, United States §

Bloomfield usually has the most precipitation in May, June and September, with an average of 11 rainy days and 135 mm (5.3 inches) of precipitation per month.The driest months in Bloomfield are February, November and December. On average, 47 mm (1.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Bloomfield, 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) 52 (2.1) 52 (2.0) 97 (3.8) 80 (3.1) 149 (5.9) 131 (5.1) 75 (3.0) 76 (3.0) 126 (5.0) 126 (5.0) 52 (2.0) 38 (1.5)
Average precipitation days (≥ 1 mm) 6 9 11 11 15 10 8 8 8 11 6 5

Monthly sunshine hours in Bloomfield, Iowa, United States §

The sunniest months in Bloomfield are June, July and August, when the sun shines an average of 11 hours 9 minutes a day.Least sunny months in Bloomfield: January, February and November receive an average of 5 hours 47 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bloomfield, 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 129 185 217 245 263 334 359 333 277 226 205 206
Mean daily daylight hours 9h 37m 10h 39m 11h 58m 13h 19m 14h 28m 15h 2m 14h 43m 13h 42m 12h 24m 11h 3m 9h 53m 9h 17m

Solar UV radiation in Bloomfield, Iowa, United States §

Bloomfield experiences the highest level of ultraviolet (UV) radiation in April, June and July, 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 Low / 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 Bloomfield UV Index data.

Average daily maximum UV levels by month for Bloomfield, 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 9 9 11 10 9 8 6 4 2