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Monthly climate in Lenox, Iowa, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Lenox features a humid continental climate (Dfa). Temperatures typically range between -5 °C (24 °F) and 25 °C (77 °F) through the year, but rarely can drop to -31 °C (-23 °F) or can rise to as high as 39 °C (103 °F). The average annual precipitation amounts to about 1043 mm (41.1 inches) and receives 105 rainy days on the 1 mm (0.04 inches) threshold annually. Lenox enjoys an average of 3057 hours of sunshine throughout the year, and daylight varies from 9 hours 16 minutes to 15 hours 2 minutes per day.

Monthly average temperatures in Lenox, Iowa, United States §

The warmest months in Lenox are June, July and August, with daily mean temperatures ranging from 23 to 25 °C (74 - 77 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -5 to 0 °C (24 - 32 °F) throughout the day. On average each year, Lenox experiences 98 days above 25 °C (77.0 °F) and 116 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Lenox, 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)		 24°C
(76°F)		 30°C
(86°F)		 36°C
(97°F)		 39°C
(103°F)		 35°C
(96°F)		 36°C
(97°F)		 33°C
(92°F)		 31°C
(88°F)		 25°C
(76°F)		 22°C
(72°F)
Mean maximum 13°C
(55°F)		 16°C
(61°F)		 22°C
(71°F)		 27°C
(81°F)		 32°C
(89°F)		 34°C
(93°F)		 35°C
(94°F)		 33°C
(92°F)		 32°C
(90°F)		 29°C
(85°F)		 19°C
(67°F)		 17°C
(63°F)
Average high 0°C
(32°F)		 2°C
(35°F)		 10°C
(51°F)		 16°C
(60°F)		 22°C
(72°F)		 29°C
(84°F)		 30°C
(86°F)		 28°C
(83°F)		 26°C
(78°F)		 17°C
(62°F)		 9°C
(49°F)		 5°C
(41°F)
Daily mean -5°C
(24°F)		 -4°C
(26°F)		 5°C
(41°F)		 10°C
(50°F)		 17°C
(63°F)		 24°C
(75°F)		 25°C
(77°F)		 23°C
(74°F)		 20°C
(69°F)		 11°C
(53°F)		 4°C
(39°F)		 -0°C
(32°F)
Average low -9°C
(16°F)		 -9°C
(17°F)		 0°C
(32°F)		 4°C
(40°F)		 12°C
(54°F)		 18°C
(65°F)		 20°C
(69°F)		 18°C
(65°F)		 15°C
(59°F)		 6°C
(44°F)		 -1°C
(30°F)		 -5°C
(23°F)
Mean minimum -24°C
(-11°F)		 -21°C
(-6°F)		 -11°C
(13°F)		 -6°C
(22°F)		 4°C
(40°F)		 12°C
(54°F)		 14°C
(58°F)		 12°C
(54°F)		 7°C
(45°F)		 -3°C
(27°F)		 -11°C
(12°F)		 -15°C
(6°F)
Minimum -31°C
(-23°F)		 -29°C
(-20°F)		 -21°C
(-6°F)		 -11°C
(13°F)		 2°C
(36°F)		 9°C
(49°F)		 13°C
(56°F)		 10°C
(51°F)		 5°C
(42°F)		 -6°C
(21°F)		 -16°C
(3°F)		 -24°C
(-10°F)

Compare climate in Lenox with other places

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

Monthly average precipitation in Lenox, Iowa, United States §

Lenox usually has the most precipitation in May, September and October, with an average of 12 rainy days and 148 mm (5.8 inches) of precipitation per month. The driest months in Lenox are February, November and December. On average, 35 mm (1.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Lenox, 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) 37 (1.5) 35 (1.4) 86 (3.4) 67 (2.6) 172 (6.8) 116 (4.6) 85 (3.3) 104 (4.1) 127 (5.0) 144 (5.7) 37 (1.4) 34 (1.3)
Average precipitation days (≥ 1 mm) 6 6 11 10 17 10 8 8 10 10 5 4

Monthly sunshine hours in Lenox, Iowa, United States §

The sunniest months in Lenox are June, July and August, when the sun shines an average of 11 hours 25 minutes a day. Least sunny months in Lenox: January, February and November receive an average of 6 hours 4 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Lenox, 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 142 195 214 259 264 347 372 331 280 224 209 215
Mean daily daylight hours 9h 36m 10h 38m 11h 58m 13h 19m 14h 28m 15h 2m 14h 44m 13h 42m 12h 24m 11h 3m 9h 52m 9h 16m

Solar UV radiation in Lenox, Iowa, United States §

Lenox experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 10 - 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 Lenox UV Index data.

Average daily maximum UV levels by month for Lenox, 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 10 11 10 9 8 6 4 3

Detailed Monthly Weather Insights for Lenox, Iowa, United States

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