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Monthly climate in Murphysboro, Illinois, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Murphysboro features a humid subtropical climate (Cfa).Temperatures typically range between 2 °C (35 °F) and 27 °C (81 °F) through the year, but rarely can drop to -18 °C (0 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 1286 mm (50.6 inches) and receives 119 rainy days on the 1 mm (0.04 inches) threshold annually.Murphysboro enjoys an average of 2990 hours of sunshine throughout the year, and daylight varies from 9 hours 34 minutes to 14 hours 43 minutes per day.

Monthly average temperatures in Murphysboro, Illinois, United States §

The warmest months in Murphysboro are June, July and August, with daily mean temperatures ranging from 25 to 27 °C (77 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 2 to 5 °C (35 - 42 °F) throughout the day. On average each year, Murphysboro experiences 126 days above 25 °C (77.0 °F) and 62 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Murphysboro, 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 21°C
(70°F)		 24°C
(75°F)		 26°C
(79°F)		 31°C
(87°F)		 33°C
(92°F)		 36°C
(97°F)		 37°C
(99°F)		 36°C
(97°F)		 35°C
(96°F)		 35°C
(95°F)		 26°C
(79°F)		 23°C
(73°F)
Mean maximum 17°C
(63°F)		 20°C
(69°F)		 24°C
(76°F)		 28°C
(83°F)		 32°C
(89°F)		 34°C
(93°F)		 36°C
(96°F)		 34°C
(94°F)		 33°C
(92°F)		 32°C
(89°F)		 23°C
(73°F)		 20°C
(68°F)
Average high 6°C
(43°F)		 9°C
(48°F)		 14°C
(58°F)		 19°C
(66°F)		 25°C
(77°F)		 30°C
(86°F)		 31°C
(89°F)		 30°C
(86°F)		 28°C
(83°F)		 21°C
(71°F)		 13°C
(55°F)		 10°C
(50°F)
Daily mean 2°C
(35°F)		 4°C
(39°F)		 9°C
(49°F)		 14°C
(57°F)		 20°C
(69°F)		 25°C
(77°F)		 27°C
(81°F)		 25°C
(77°F)		 23°C
(73°F)		 16°C
(61°F)		 8°C
(46°F)		 5°C
(42°F)
Average low -2°C
(29°F)		 -1°C
(30°F)		 5°C
(41°F)		 9°C
(48°F)		 16°C
(60°F)		 20°C
(69°F)		 23°C
(73°F)		 21°C
(69°F)		 18°C
(64°F)		 11°C
(52°F)		 3°C
(37°F)		 1°C
(34°F)
Mean minimum -13°C
(9°F)		 -13°C
(9°F)		 -6°C
(21°F)		 0°C
(33°F)		 7°C
(45°F)		 16°C
(60°F)		 18°C
(65°F)		 15°C
(60°F)		 10°C
(50°F)		 1°C
(35°F)		 -6°C
(22°F)		 -8°C
(17°F)
Minimum -18°C
(1°F)		 -18°C
(-0°F)		 -14°C
(8°F)		 -2°C
(28°F)		 4°C
(40°F)		 12°C
(54°F)		 17°C
(62°F)		 14°C
(58°F)		 9°C
(48°F)		 -1°C
(30°F)		 -11°C
(12°F)		 -14°C
(7°F)

Compare climate in Murphysboro with other places

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

Monthly average precipitation in Murphysboro, Illinois, United States §

Murphysboro usually has the most precipitation in March, April and May, with an average of 12 rainy days and 145 mm (5.7 inches) of precipitation per month.The driest months in Murphysboro are August, September and December. On average, 82 mm (3.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Murphysboro, 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) 98 (3.9) 115 (4.5) 147 (5.8) 145 (5.7) 142 (5.6) 97 (3.8) 90 (3.5) 85 (3.4) 75 (2.9) 116 (4.5) 91 (3.6) 86 (3.4)
Average precipitation days (≥ 1 mm) 8 11 13 12 13 10 9 10 7 9 9 8

Monthly sunshine hours in Murphysboro, Illinois, United States §

The sunniest months in Murphysboro are June, July and August, when the sun shines an average of 10 hours 51 minutes a day.Least sunny months in Murphysboro: January, February and December receive an average of 5 hours 27 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Murphysboro, 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 130 176 204 250 290 327 348 321 291 244 214 188
Mean daily daylight hours 9h 52m 10h 48m 11h 59m 13h 11m 14h 13m 14h 43m 14h 26m 13h 32m 12h 22m 11h 9m 10h 7m 9h 34m

Solar UV radiation in Murphysboro, Illinois, United States §

Murphysboro experiences the highest level of ultraviolet (UV) radiation in April, May and June, 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 Murphysboro UV Index data.

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