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Monthly climate in Wapello, Iowa, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Wapello features a humid continental climate (Dfa). Temperatures typically range between -4 °C (24 °F) and 25 °C (78 °F) through the year, but rarely can drop to -32 °C (-25 °F) or can rise to as high as 37 °C (98 °F). The average annual precipitation amounts to about 1067 mm (42.0 inches) and receives 109 rainy days on the 1 mm (0.04 inches) threshold annually. Wapello enjoys an average of 2978 hours of sunshine throughout the year, and daylight varies from 9 hours 14 minutes to 15 hours 4 minutes per day.

Monthly average temperatures in Wapello, Iowa, United States §

The warmest months in Wapello are June, July and August, with daily mean temperatures ranging from 24 to 25 °C (75 - 78 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -4 to 0 °C (24 - 33 °F) throughout the day. On average each year, Wapello experiences 101 days above 25 °C (77.0 °F) and 108 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Wapello, 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 13°C
(56°F)		 22°C
(71°F)		 23°C
(74°F)		 29°C
(85°F)		 36°C
(97°F)		 37°C
(98°F)		 37°C
(98°F)		 36°C
(98°F)		 35°C
(95°F)		 31°C
(89°F)		 24°C
(76°F)		 22°C
(72°F)
Mean maximum 11°C
(52°F)		 15°C
(59°F)		 20°C
(68°F)		 27°C
(80°F)		 32°C
(90°F)		 34°C
(94°F)		 35°C
(95°F)		 34°C
(93°F)		 33°C
(92°F)		 30°C
(87°F)		 18°C
(65°F)		 17°C
(63°F)
Average high -0°C
(31°F)		 2°C
(35°F)		 10°C
(50°F)		 15°C
(60°F)		 22°C
(72°F)		 29°C
(84°F)		 30°C
(86°F)		 29°C
(84°F)		 26°C
(80°F)		 18°C
(64°F)		 9°C
(48°F)		 5°C
(41°F)
Daily mean -4°C
(24°F)		 -3°C
(27°F)		 5°C
(41°F)		 10°C
(50°F)		 17°C
(64°F)		 24°C
(75°F)		 25°C
(78°F)		 24°C
(75°F)		 21°C
(69°F)		 12°C
(55°F)		 4°C
(40°F)		 0°C
(33°F)
Average low -8°C
(17°F)		 -8°C
(18°F)		 0°C
(33°F)		 5°C
(41°F)		 13°C
(55°F)		 18°C
(65°F)		 20°C
(69°F)		 18°C
(65°F)		 15°C
(59°F)		 8°C
(46°F)		 -1°C
(31°F)		 -4°C
(25°F)
Mean minimum -22°C
(-8°F)		 -21°C
(-5°F)		 -11°C
(12°F)		 -4°C
(25°F)		 4°C
(40°F)		 13°C
(56°F)		 16°C
(60°F)		 13°C
(55°F)		 8°C
(46°F)		 -2°C
(29°F)		 -10°C
(14°F)		 -14°C
(7°F)
Minimum -31°C
(-23°F)		 -32°C
(-25°F)		 -19°C
(-2°F)		 -9°C
(15°F)		 2°C
(36°F)		 10°C
(50°F)		 14°C
(57°F)		 11°C
(53°F)		 6°C
(43°F)		 -4°C
(25°F)		 -15°C
(5°F)		 -22°C
(-7°F)

Compare climate in Wapello with other places

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

Monthly average precipitation in Wapello, Iowa, United States §

Wapello usually has the most precipitation in May, June and October, with an average of 12 rainy days and 143 mm (5.6 inches) of precipitation per month. The driest months in Wapello are January, November and December. On average, 50 mm (2.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Wapello, 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) 53 (2.1) 59 (2.3) 91 (3.6) 88 (3.4) 156 (6.1) 141 (5.6) 73 (2.9) 69 (2.7) 109 (4.3) 132 (5.2) 50 (2.0) 48 (1.9)
Average precipitation days (≥ 1 mm) 7 8 10 11 15 11 9 8 8 11 6 5

Monthly sunshine hours in Wapello, Iowa, United States §

The sunniest months in Wapello are June, July and August, when the sun shines an average of 11 hours 8 minutes a day. Least sunny months in Wapello: January, February and December receive an average of 5 hours 40 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Wapello, 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 128 185 223 242 268 334 356 333 278 220 204 201
Mean daily daylight hours 9h 34m 10h 38m 11h 58m 13h 20m 14h 30m 15h 4m 14h 45m 13h 43m 12h 24m 11h 2m 9h 51m 9h 14m

Solar UV radiation in Wapello, Iowa, United States §

Wapello 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 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 Wapello UV Index data.

Average daily maximum UV levels by month for Wapello, 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 2

Detailed Monthly Weather Insights for Wapello, Iowa, United States

Discover in-depth weather details for every month in Wapello. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Wapello's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.