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Monthly climate in Mount Pulaski, Illinois, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Mount Pulaski features a humid continental climate (Dfa).Temperatures typically range between -2 °C (29 °F) and 25 °C (77 °F) through the year, but rarely can drop to -27 °C (-17 °F) or can rise to as high as 35 °C (96 °F).The average annual precipitation amounts to about 1144 mm (45.0 inches) and receives 122 rainy days on the 1 mm (0.04 inches) threshold annually.Mount Pulaski enjoys an average of 2965 hours of sunshine throughout the year, and daylight varies from 9 hours 22 minutes to 14 hours 57 minutes per day.

Monthly average temperatures in Mount Pulaski, Illinois, United States §

The warmest months in Mount Pulaski 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 -2 to 2 °C (29 - 36 °F) throughout the day. On average each year, Mount Pulaski experiences 113 days above 25 °C (77.0 °F) and 96 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Mount Pulaski, 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 17°C
(63°F)		 23°C
(74°F)		 26°C
(79°F)		 29°C
(84°F)		 34°C
(94°F)		 35°C
(96°F)		 35°C
(95°F)		 34°C
(94°F)		 35°C
(96°F)		 32°C
(90°F)		 25°C
(77°F)		 19°C
(67°F)
Mean maximum 14°C
(58°F)		 17°C
(63°F)		 21°C
(71°F)		 28°C
(82°F)		 32°C
(89°F)		 33°C
(91°F)		 33°C
(92°F)		 33°C
(91°F)		 33°C
(92°F)		 31°C
(88°F)		 20°C
(69°F)		 18°C
(64°F)
Average high 2°C
(36°F)		 4°C
(40°F)		 11°C
(53°F)		 17°C
(62°F)		 24°C
(75°F)		 29°C
(84°F)		 30°C
(86°F)		 28°C
(83°F)		 27°C
(82°F)		 19°C
(67°F)		 10°C
(51°F)		 7°C
(45°F)
Daily mean -2°C
(29°F)		 -0°C
(32°F)		 6°C
(43°F)		 11°C
(53°F)		 18°C
(65°F)		 24°C
(75°F)		 25°C
(77°F)		 23°C
(74°F)		 21°C
(71°F)		 14°C
(57°F)		 5°C
(42°F)		 2°C
(36°F)
Average low -6°C
(21°F)		 -5°C
(23°F)		 1°C
(35°F)		 6°C
(43°F)		 13°C
(56°F)		 18°C
(66°F)		 20°C
(69°F)		 18°C
(65°F)		 16°C
(61°F)		 9°C
(48°F)		 1°C
(33°F)		 -2°C
(28°F)
Mean minimum -20°C
(-4°F)		 -19°C
(-2°F)		 -10°C
(14°F)		 -3°C
(28°F)		 4°C
(40°F)		 14°C
(57°F)		 15°C
(59°F)		 12°C
(54°F)		 8°C
(47°F)		 -1°C
(31°F)		 -8°C
(17°F)		 -12°C
(10°F)
Minimum -27°C
(-17°F)		 -24°C
(-10°F)		 -18°C
(0°F)		 -7°C
(19°F)		 0°C
(33°F)		 10°C
(51°F)		 13°C
(55°F)		 11°C
(52°F)		 6°C
(42°F)		 -5°C
(24°F)		 -13°C
(8°F)		 -20°C
(-4°F)

Compare climate in Mount Pulaski with other places

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

Monthly average precipitation in Mount Pulaski, Illinois, United States §

Mount Pulaski usually has the most precipitation in March, April and May, with an average of 12 rainy days and 132 mm (5.2 inches) of precipitation per month.The driest months in Mount Pulaski are September, November and December. On average, 61 mm (2.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Mount Pulaski, 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) 71 (2.8) 71 (2.8) 127 (5.0) 127 (5.0) 142 (5.6) 117 (4.6) 108 (4.2) 86 (3.4) 62 (2.4) 114 (4.5) 68 (2.7) 52 (2.0)
Average precipitation days (≥ 1 mm) 8 10 12 11 14 11 11 11 6 11 9 8

Monthly sunshine hours in Mount Pulaski, Illinois, United States §

The sunniest months in Mount Pulaski are June, July and August, when the sun shines an average of 11 hours 7 minutes a day.Least sunny months in Mount Pulaski: January, February and December receive an average of 5 hours 16 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Mount Pulaski, 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 117 169 212 240 285 338 352 331 291 231 199 193
Mean daily daylight hours 9h 41m 10h 41m 11h 58m 13h 17m 14h 24m 14h 57m 14h 39m 13h 39m 12h 23m 11h 5m 9h 56m 9h 22m

Solar UV radiation in Mount Pulaski, Illinois, United States §

Mount Pulaski 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 Mount Pulaski UV Index data.

Average daily maximum UV levels by month for Mount Pulaski, 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 6 7 9 10 11 10 9 8 6 4 3