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Monthly climate in Lamoni, Iowa, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Lamoni features a humid continental climate (Dfa). Temperatures typically range between -4 °C (26 °F) and 25 °C (78 °F) through the year, but rarely can drop to -30 °C (-21 °F) or can rise to as high as 39 °C (102 °F). The average annual precipitation amounts to about 1139 mm (44.8 inches) and receives 104 rainy days on the 1 mm (0.04 inches) threshold annually. Lamoni enjoys an average of 3065 hours of sunshine throughout the year, and daylight varies from 9 hours 18 minutes to 15 hours 1 minutes per day.

Monthly average temperatures in Lamoni, Iowa, United States §

The warmest months in Lamoni 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 1 °C (26 - 34 °F) throughout the day. On average each year, Lamoni experiences 105 days above 25 °C (77.0 °F) and 107 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Lamoni, 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 16°C
(60°F)		 23°C
(74°F)		 24°C
(75°F)		 29°C
(85°F)		 38°C
(101°F)		 39°C
(102°F)		 37°C
(98°F)		 37°C
(99°F)		 33°C
(91°F)		 31°C
(89°F)		 24°C
(75°F)		 23°C
(73°F)
Mean maximum 13°C
(56°F)		 18°C
(64°F)		 22°C
(71°F)		 27°C
(81°F)		 32°C
(90°F)		 34°C
(94°F)		 35°C
(95°F)		 34°C
(93°F)		 32°C
(90°F)		 30°C
(86°F)		 20°C
(68°F)		 18°C
(64°F)
Average high 1°C
(34°F)		 3°C
(37°F)		 11°C
(52°F)		 16°C
(62°F)		 23°C
(73°F)		 29°C
(85°F)		 30°C
(87°F)		 29°C
(84°F)		 26°C
(79°F)		 17°C
(64°F)		 10°C
(50°F)		 6°C
(43°F)
Daily mean -4°C
(26°F)		 -2°C
(28°F)		 6°C
(43°F)		 11°C
(51°F)		 18°C
(64°F)		 24°C
(76°F)		 25°C
(78°F)		 24°C
(75°F)		 21°C
(70°F)		 12°C
(54°F)		 5°C
(41°F)		 1°C
(34°F)
Average low -8°C
(18°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
(66°F)		 15°C
(60°F)		 7°C
(45°F)		 -1°C
(31°F)		 -4°C
(25°F)
Mean minimum -23°C
(-10°F)		 -20°C
(-3°F)		 -11°C
(13°F)		 -5°C
(23°F)		 5°C
(42°F)		 13°C
(55°F)		 16°C
(60°F)		 13°C
(55°F)		 8°C
(46°F)		 -2°C
(28°F)		 -11°C
(12°F)		 -14°C
(6°F)
Minimum -30°C
(-21°F)		 -27°C
(-16°F)		 -21°C
(-5°F)		 -10°C
(15°F)		 2°C
(36°F)		 11°C
(51°F)		 14°C
(58°F)		 11°C
(52°F)		 6°C
(44°F)		 -4°C
(25°F)		 -16°C
(3°F)		 -26°C
(-15°F)

Compare climate in Lamoni with other places

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

Monthly average precipitation in Lamoni, Iowa, United States §

Lamoni usually has the most precipitation in May, June and October, with an average of 11 rainy days and 154 mm (6.1 inches) of precipitation per month. The driest months in Lamoni are January, February and December. On average, 40 mm (1.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Lamoni, 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) 45 (1.8) 39 (1.5) 100 (3.9) 75 (3.0) 161 (6.3) 132 (5.2) 112 (4.4) 91 (3.6) 125 (4.9) 170 (6.7) 52 (2.0) 37 (1.5)
Average precipitation days (≥ 1 mm) 6 7 10 10 14 10 9 10 8 11 6 3

Monthly sunshine hours in Lamoni, Iowa, United States §

The sunniest months in Lamoni are June, July and August, when the sun shines an average of 11 hours 17 minutes a day. Least sunny months in Lamoni: January, February and November receive an average of 6 hours 1 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Lamoni, 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 142 193 212 263 273 341 366 330 284 237 206 215
Mean daily daylight hours 9h 37m 10h 39m 11h 58m 13h 19m 14h 27m 15h 1m 14h 42m 13h 41m 12h 24m 11h 4m 9h 53m 9h 18m

Solar UV radiation in Lamoni, Iowa, United States §

Lamoni 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 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 Lamoni UV Index data.

Average daily maximum UV levels by month for Lamoni, 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 11 9 9 6 4 3

Detailed Monthly Weather Insights for Lamoni, Iowa, United States

Discover in-depth weather details for every month in Lamoni. 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 Lamoni'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.