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Monthly climate in Bradford, Illinois, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Bradford features a humid continental climate (Dfa).Temperatures typically range between -4 °C (25 °F) and 25 °C (76 °F) through the year, but rarely can drop to -33 °C (-27 °F) or can rise to as high as 35 °C (96 °F).The average annual precipitation amounts to about 1166 mm (45.9 inches) and receives 119 rainy days on the 1 mm (0.04 inches) threshold annually.Bradford enjoys an average of 2960 hours of sunshine throughout the year, and daylight varies from 9 hours 14 minutes to 15 hours 4 minutes per day.

Monthly average temperatures in Bradford, Illinois, United States §

The warmest months in Bradford are June, July and August, with daily mean temperatures ranging from 23 to 25 °C (73 - 76 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -4 to 0 °C (25 - 33 °F) throughout the day. On average each year, Bradford experiences 95 days above 25 °C (77.0 °F) and 109 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Bradford, 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 13°C
(56°F)		 22°C
(71°F)		 25°C
(77°F)		 28°C
(83°F)		 34°C
(94°F)		 34°C
(93°F)		 35°C
(94°F)		 35°C
(96°F)		 35°C
(94°F)		 31°C
(89°F)		 24°C
(76°F)		 20°C
(69°F)
Mean maximum 11°C
(52°F)		 15°C
(59°F)		 20°C
(69°F)		 27°C
(80°F)		 31°C
(88°F)		 33°C
(91°F)		 33°C
(92°F)		 33°C
(91°F)		 32°C
(90°F)		 30°C
(85°F)		 18°C
(65°F)		 16°C
(62°F)
Average high -0°C
(32°F)		 2°C
(36°F)		 10°C
(50°F)		 15°C
(59°F)		 22°C
(72°F)		 28°C
(82°F)		 29°C
(84°F)		 28°C
(83°F)		 26°C
(79°F)		 17°C
(64°F)		 8°C
(47°F)		 5°C
(41°F)
Daily mean -4°C
(25°F)		 -3°C
(27°F)		 5°C
(41°F)		 10°C
(50°F)		 17°C
(63°F)		 23°C
(73°F)		 25°C
(76°F)		 23°C
(74°F)		 20°C
(69°F)		 13°C
(55°F)		 4°C
(39°F)		 0°C
(33°F)
Average low -8°C
(18°F)		 -7°C
(19°F)		 0°C
(32°F)		 5°C
(40°F)		 12°C
(54°F)		 18°C
(64°F)		 20°C
(68°F)		 18°C
(64°F)		 15°C
(59°F)		 8°C
(46°F)		 -1°C
(31°F)		 -4°C
(26°F)
Mean minimum -22°C
(-7°F)		 -21°C
(-6°F)		 -11°C
(12°F)		 -4°C
(25°F)		 4°C
(39°F)		 13°C
(55°F)		 15°C
(59°F)		 12°C
(54°F)		 7°C
(45°F)		 -2°C
(29°F)		 -10°C
(13°F)		 -14°C
(7°F)
Minimum -31°C
(-24°F)		 -33°C
(-27°F)		 -19°C
(-3°F)		 -8°C
(17°F)		 -1°C
(31°F)		 9°C
(49°F)		 13°C
(56°F)		 11°C
(53°F)		 4°C
(40°F)		 -4°C
(24°F)		 -15°C
(5°F)		 -21°C
(-6°F)

Compare climate in Bradford with other places

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

Monthly average precipitation in Bradford, Illinois, United States §

Bradford usually has the most precipitation in May, June and October, with an average of 12 rainy days and 150 mm (5.9 inches) of precipitation per month.The driest months in Bradford are January, November and December. On average, 53 mm (2.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Bradford, 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) 57 (2.2) 64 (2.5) 101 (4.0) 115 (4.5) 161 (6.4) 160 (6.3) 103 (4.0) 72 (2.8) 103 (4.0) 129 (5.1) 54 (2.1) 49 (1.9)
Average precipitation days (≥ 1 mm) 7 10 11 11 15 11 12 8 9 12 7 6

Monthly sunshine hours in Bradford, Illinois, United States §

The sunniest months in Bradford are June, July and August, when the sun shines an average of 11 hours 6 minutes a day.Least sunny months in Bradford: January, February and November receive an average of 5 hours 35 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bradford, 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 126 181 222 239 275 333 353 334 280 220 195 195
Mean daily daylight hours 9h 34m 10h 38m 11h 58m 13h 20m 14h 30m 15h 4m 14h 45m 13h 43m 12h 24m 11h 2m 9h 51m 9h 14m

Solar UV radiation in Bradford, Illinois, United States §

Bradford 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 4. For more detailed information, check out our hourly Bradford UV Index data.

Average daily maximum UV levels by month for Bradford, 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 6 8 9 11 10 9 8 6 4 2