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Monthly climate in Waverly, Iowa, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Waverly features a humid continental climate (Dfa).Temperatures typically range between -7 °C (20 °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 35 °C (96 °F).The average annual precipitation amounts to about 1066 mm (42.0 inches) and receives 109 rainy days on the 1 mm (0.04 inches) threshold annually.Waverly enjoys an average of 2971 hours of sunshine throughout the year, and daylight varies from 9 hours 4 minutes to 15 hours 15 minutes per day.

Monthly average temperatures in Waverly, Iowa, United States §

The warmest months in Waverly are June, July and August, with daily mean temperatures ranging from 22 to 24 °C (71 - 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 (20 - 29 °F) throughout the day. On average each year, Waverly experiences 82 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 Waverly, 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)		 20°C
(68°F)		 22°C
(71°F)		 28°C
(83°F)		 34°C
(94°F)		 35°C
(95°F)		 34°C
(93°F)		 35°C
(96°F)		 33°C
(92°F)		 31°C
(88°F)		 24°C
(75°F)		 22°C
(71°F)
Mean maximum 9°C
(48°F)		 12°C
(53°F)		 19°C
(66°F)		 25°C
(77°F)		 32°C
(89°F)		 33°C
(91°F)		 33°C
(92°F)		 32°C
(89°F)		 32°C
(89°F)		 29°C
(84°F)		 18°C
(64°F)		 15°C
(59°F)
Average high -3°C
(27°F)		 -2°C
(28°F)		 7°C
(45°F)		 13°C
(57°F)		 21°C
(70°F)		 27°C
(81°F)		 28°C
(83°F)		 27°C
(81°F)		 24°C
(76°F)		 15°C
(60°F)		 7°C
(45°F)		 2°C
(37°F)
Daily mean -7°C
(20°F)		 -7°C
(20°F)		 2°C
(36°F)		 8°C
(47°F)		 16°C
(61°F)		 22°C
(72°F)		 24°C
(75°F)		 22°C
(71°F)		 19°C
(66°F)		 10°C
(51°F)		 2°C
(36°F)		 -2°C
(29°F)
Average low -11°C
(13°F)		 -11°C
(12°F)		 -2°C
(28°F)		 3°C
(37°F)		 11°C
(52°F)		 17°C
(63°F)		 19°C
(66°F)		 16°C
(61°F)		 13°C
(56°F)		 6°C
(42°F)		 -3°C
(27°F)		 -6°C
(21°F)
Mean minimum -25°C
(-13°F)		 -25°C
(-13°F)		 -15°C
(5°F)		 -7°C
(19°F)		 2°C
(36°F)		 11°C
(52°F)		 13°C
(56°F)		 11°C
(51°F)		 6°C
(43°F)		 -4°C
(24°F)		 -12°C
(10°F)		 -17°C
(2°F)
Minimum -34°C
(-28°F)		 -34°C
(-28°F)		 -24°C
(-10°F)		 -11°C
(12°F)		 -1°C
(30°F)		 8°C
(47°F)		 11°C
(53°F)		 10°C
(50°F)		 2°C
(36°F)		 -7°C
(20°F)		 -17°C
(2°F)		 -22°C
(-7°F)

Compare climate in Waverly with other places

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

Monthly average precipitation in Waverly, Iowa, United States §

Waverly usually has the most precipitation in May, June and October, with an average of 12 rainy days and 140 mm (5.5 inches) of precipitation per month.The driest months in Waverly are January, November and December. On average, 41 mm (1.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Waverly, 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) 40 (1.6) 50 (2.0) 72 (2.8) 75 (2.9) 161 (6.3) 126 (5.0) 97 (3.8) 113 (4.5) 116 (4.6) 132 (5.2) 48 (1.9) 35 (1.4)
Average precipitation days (≥ 1 mm) 7 8 8 9 14 12 10 8 10 11 7 5

Monthly sunshine hours in Waverly, Iowa, United States §

The sunniest months in Waverly are June, July and August, when the sun shines an average of 11 hours 14 minutes a day.Least sunny months in Waverly: January, February and December receive an average of 5 hours 44 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Waverly, 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 135 193 229 243 258 339 366 328 266 214 201 193
Mean daily daylight hours 9h 26m 10h 33m 11h 58m 13h 25m 14h 38m 15h 15m 14h 55m 13h 49m 12h 25m 10h 59m 9h 43m 9h 4m

Solar UV radiation in Waverly, Iowa, United States §

Waverly 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 Waverly UV Index data.

Average daily maximum UV levels by month for Waverly, 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 5 3 3