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Monthly climate in Wamac, Illinois, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Wamac features a humid subtropical climate (Cfa).Temperatures typically range between 1 °C (34 °F) and 27 °C (80 °F) through the year, but rarely can drop to -20 °C (-3 °F) or can rise to as high as 38 °C (100 °F).The average annual precipitation amounts to about 1270 mm (50.0 inches) and receives 117 rainy days on the 1 mm (0.04 inches) threshold annually.Wamac enjoys an average of 2994 hours of sunshine throughout the year, and daylight varies from 9 hours 30 minutes to 14 hours 47 minutes per day.

Monthly average temperatures in Wamac, Illinois, United States §

The warmest months in Wamac are June, July and August, with daily mean temperatures ranging from 25 to 27 °C (77 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 1 to 4 °C (34 - 40 °F) throughout the day. On average each year, Wamac experiences 123 days above 25 °C (77.0 °F) and 70 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Wamac, Illinois, 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 20°C
(69°F)		 24°C
(75°F)		 26°C
(80°F)		 30°C
(87°F)		 34°C
(94°F)		 36°C
(98°F)		 38°C
(100°F)		 36°C
(97°F)		 34°C
(94°F)		 34°C
(93°F)		 25°C
(78°F)		 22°C
(71°F)
Mean maximum 16°C
(62°F)		 20°C
(68°F)		 24°C
(75°F)		 28°C
(83°F)		 32°C
(91°F)		 34°C
(94°F)		 35°C
(96°F)		 34°C
(93°F)		 33°C
(92°F)		 31°C
(89°F)		 22°C
(72°F)		 19°C
(67°F)
Average high 5°C
(41°F)		 7°C
(45°F)		 14°C
(57°F)		 19°C
(66°F)		 25°C
(77°F)		 30°C
(86°F)		 31°C
(88°F)		 29°C
(85°F)		 28°C
(83°F)		 21°C
(70°F)		 12°C
(54°F)		 9°C
(48°F)
Daily mean 1°C
(34°F)		 3°C
(37°F)		 9°C
(48°F)		 13°C
(56°F)		 20°C
(68°F)		 25°C
(77°F)		 27°C
(80°F)		 25°C
(77°F)		 23°C
(73°F)		 15°C
(60°F)		 7°C
(45°F)		 4°C
(40°F)
Average low -3°C
(27°F)		 -2°C
(29°F)		 4°C
(39°F)		 8°C
(47°F)		 15°C
(60°F)		 20°C
(69°F)		 22°C
(72°F)		 20°C
(69°F)		 17°C
(63°F)		 10°C
(51°F)		 2°C
(36°F)		 -0°C
(32°F)
Mean minimum -15°C
(6°F)		 -14°C
(6°F)		 -7°C
(19°F)		 -0°C
(32°F)		 6°C
(44°F)		 16°C
(60°F)		 17°C
(64°F)		 15°C
(59°F)		 9°C
(49°F)		 1°C
(34°F)		 -6°C
(21°F)		 -10°C
(15°F)
Minimum -20°C
(-3°F)		 -18°C
(-0°F)		 -16°C
(4°F)		 -3°C
(27°F)		 3°C
(38°F)		 12°C
(55°F)		 16°C
(61°F)		 13°C
(56°F)		 8°C
(46°F)		 -3°C
(27°F)		 -12°C
(12°F)		 -16°C
(3°F)

Compare climate in Wamac with other places

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

Monthly average precipitation in Wamac, Illinois, United States §

Wamac usually has the most precipitation in March, April and May, with an average of 12 rainy days and 148 mm (5.8 inches) of precipitation per month.The driest months in Wamac are September, November and December. On average, 76 mm (3.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Wamac, Illinois, 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) 85 (3.3) 95 (3.7) 141 (5.6) 126 (5.0) 176 (6.9) 106 (4.2) 94 (3.7) 100 (3.9) 62 (2.5) 121 (4.8) 84 (3.3) 80 (3.2)
Average precipitation days (≥ 1 mm) 8 10 13 11 14 10 10 9 6 10 9 7

Monthly sunshine hours in Wamac, Illinois, United States §

The sunniest months in Wamac are June, July and August, when the sun shines an average of 10 hours 58 minutes a day.Least sunny months in Wamac: January, February and December receive an average of 5 hours 24 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Wamac, Illinois, 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 124 175 207 249 286 330 352 327 293 241 213 191
Mean daily daylight hours 9h 48m 10h 45m 11h 58m 13h 13m 14h 16m 14h 47m 14h 30m 13h 34m 12h 22m 11h 8m 10h 3m 9h 30m

Solar UV radiation in Wamac, Illinois, United States §

Wamac experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / Extreme category of sun exposure.January, February and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Wamac UV Index data.

Average daily maximum UV levels by month for Wamac, Illinois, 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 7 9 11 11 10 10 9 7 5 3