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Monthly climate in Larchwood, Iowa, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Larchwood 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 -31 °C (-24 °F) or can rise to as high as 36 °C (97 °F). The average annual precipitation amounts to about 835 mm (32.9 inches) and receives 96 rainy days on the 1 mm (0.04 inches) threshold annually. Larchwood enjoys an average of 3078 hours of sunshine throughout the year, and daylight varies from 8 hours 59 minutes to 15 hours 20 minutes per day.

Monthly average temperatures in Larchwood, Iowa, United States §

The warmest months in Larchwood 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 -3 °C (20 - 26 °F) throughout the day. On average each year, Larchwood experiences 83 days above 25 °C (77.0 °F) and 143 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Larchwood, 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 11°C
(52°F)		 18°C
(65°F)		 25°C
(77°F)		 29°C
(85°F)		 34°C
(93°F)		 36°C
(97°F)		 36°C
(97°F)		 35°C
(96°F)		 32°C
(91°F)		 29°C
(85°F)		 25°C
(78°F)		 15°C
(60°F)
Mean maximum 8°C
(47°F)		 12°C
(54°F)		 20°C
(68°F)		 26°C
(79°F)		 30°C
(87°F)		 32°C
(90°F)		 34°C
(94°F)		 32°C
(90°F)		 32°C
(89°F)		 28°C
(82°F)		 18°C
(65°F)		 11°C
(53°F)
Average high -2°C
(29°F)		 -2°C
(29°F)		 7°C
(44°F)		 13°C
(55°F)		 20°C
(68°F)		 28°C
(83°F)		 29°C
(84°F)		 27°C
(81°F)		 24°C
(75°F)		 14°C
(58°F)		 7°C
(44°F)		 1°C
(34°F)
Daily mean -7°C
(20°F)		 -7°C
(20°F)		 2°C
(35°F)		 7°C
(45°F)		 15°C
(59°F)		 23°C
(73°F)		 24°C
(75°F)		 22°C
(71°F)		 18°C
(65°F)		 9°C
(48°F)		 1°C
(35°F)		 -3°C
(26°F)
Average low -11°C
(12°F)		 -12°C
(11°F)		 -3°C
(27°F)		 1°C
(35°F)		 10°C
(50°F)		 17°C
(62°F)		 18°C
(66°F)		 16°C
(62°F)		 13°C
(55°F)		 4°C
(39°F)		 -4°C
(26°F)		 -7°C
(19°F)
Mean minimum -24°C
(-10°F)		 -23°C
(-9°F)		 -14°C
(7°F)		 -9°C
(17°F)		 1°C
(34°F)		 10°C
(50°F)		 12°C
(55°F)		 10°C
(51°F)		 5°C
(41°F)		 -6°C
(21°F)		 -13°C
(8°F)		 -18°C
(-1°F)
Minimum -31°C
(-24°F)		 -27°C
(-16°F)		 -27°C
(-16°F)		 -17°C
(2°F)		 -1°C
(31°F)		 6°C
(43°F)		 11°C
(52°F)		 8°C
(46°F)		 3°C
(38°F)		 -12°C
(11°F)		 -16°C
(4°F)		 -23°C
(-10°F)

Compare climate in Larchwood with other places

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

Monthly average precipitation in Larchwood, Iowa, United States §

Larchwood usually has the most precipitation in May, August and September, with an average of 10 rainy days and 108 mm (4.3 inches) of precipitation per month. The driest months in Larchwood are January, February and November. On average, 24 mm (1.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Larchwood, 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) 23 (0.9) 25 (1.0) 65 (2.5) 82 (3.2) 125 (4.9) 90 (3.5) 79 (3.1) 95 (3.7) 105 (4.1) 82 (3.2) 25 (1.0) 38 (1.5)
Average precipitation days (≥ 1 mm) 4 5 8 10 14 10 9 10 8 9 5 4

Monthly sunshine hours in Larchwood, Iowa, United States §

The sunniest months in Larchwood are June, July and August, when the sun shines an average of 11 hours 28 minutes a day. Least sunny months in Larchwood: January, November and December receive an average of 6 hours 6 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Larchwood, 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 150 211 228 251 281 352 369 334 261 225 210 201
Mean daily daylight hours 9h 21m 10h 30m 11h 58m 13h 27m 14h 43m 15h 20m 14h 59m 13h 52m 12h 26m 10h 57m 9h 39m 8h 59m

Solar UV radiation in Larchwood, Iowa, United States §

Larchwood 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 3. For more detailed information, check out our hourly Larchwood UV Index data.

Average daily maximum UV levels by month for Larchwood, 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) 2 5 5 8 9 11 10 9 8 5 3 3

Detailed Monthly Weather Insights for Larchwood, Iowa, United States

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