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Monthly climate in Holiday Hills, Illinois, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Holiday Hills features a humid continental climate (Dfa).Temperatures typically range between -4 °C (24 °F) and 24 °C (75 °F) through the year, but rarely can drop to -33 °C (-27 °F) or can rise to as high as 35 °C (95 °F).The average annual precipitation amounts to about 1079 mm (42.5 inches) and receives 130 rainy days on the 1 mm (0.04 inches) threshold annually.Holiday Hills enjoys an average of 2936 hours of sunshine throughout the year, and daylight varies from 9 hours 7 minutes to 15 hours 12 minutes per day.

Monthly average temperatures in Holiday Hills, Illinois, United States §

The warmest months in Holiday Hills are June, July and August, with daily mean temperatures ranging from 21 to 24 °C (71 - 75 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -4 to 0 °C (24 - 32 °F) throughout the day. On average each year, Holiday Hills experiences 79 days above 25 °C (77.0 °F) and 111 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Holiday Hills, 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 14°C
(58°F)		 20°C
(68°F)		 25°C
(78°F)		 28°C
(82°F)		 34°C
(93°F)		 34°C
(93°F)		 35°C
(95°F)		 34°C
(93°F)		 33°C
(92°F)		 30°C
(87°F)		 24°C
(75°F)		 19°C
(66°F)
Mean maximum 10°C
(50°F)		 13°C
(56°F)		 20°C
(68°F)		 26°C
(79°F)		 31°C
(87°F)		 32°C
(90°F)		 33°C
(92°F)		 32°C
(90°F)		 31°C
(89°F)		 29°C
(84°F)		 17°C
(64°F)		 15°C
(59°F)
Average high -1°C
(31°F)		 1°C
(34°F)		 8°C
(47°F)		 13°C
(56°F)		 20°C
(68°F)		 26°C
(79°F)		 28°C
(83°F)		 27°C
(81°F)		 24°C
(76°F)		 16°C
(62°F)		 7°C
(45°F)		 4°C
(39°F)
Daily mean -4°C
(24°F)		 -3°C
(27°F)		 3°C
(38°F)		 8°C
(47°F)		 15°C
(60°F)		 21°C
(71°F)		 24°C
(75°F)		 22°C
(73°F)		 19°C
(67°F)		 12°C
(54°F)		 3°C
(38°F)		 0°C
(32°F)
Average low -8°C
(18°F)		 -8°C
(19°F)		 -1°C
(31°F)		 4°C
(39°F)		 11°C
(51°F)		 17°C
(62°F)		 19°C
(67°F)		 18°C
(64°F)		 15°C
(58°F)		 8°C
(46°F)		 -0°C
(32°F)		 -3°C
(26°F)
Mean minimum -22°C
(-8°F)		 -22°C
(-8°F)		 -12°C
(10°F)		 -4°C
(25°F)		 3°C
(37°F)		 12°C
(54°F)		 14°C
(58°F)		 12°C
(54°F)		 8°C
(46°F)		 -1°C
(31°F)		 -10°C
(14°F)		 -14°C
(7°F)
Minimum -31°C
(-24°F)		 -33°C
(-27°F)		 -21°C
(-6°F)		 -8°C
(18°F)		 -1°C
(30°F)		 9°C
(49°F)		 13°C
(56°F)		 10°C
(50°F)		 3°C
(37°F)		 -4°C
(26°F)		 -15°C
(4°F)		 -21°C
(-6°F)

Compare climate in Holiday Hills with other places

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

Monthly average precipitation in Holiday Hills, Illinois, United States §

Holiday Hills usually has the most precipitation in April, May and October, with an average of 13 rainy days and 133 mm (5.2 inches) of precipitation per month.The driest months in Holiday Hills are February, November and December. On average, 54 mm (2.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Holiday Hills, 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) 61 (2.4) 59 (2.3) 71 (2.8) 114 (4.5) 163 (6.4) 114 (4.5) 91 (3.6) 91 (3.6) 89 (3.5) 121 (4.8) 50 (2.0) 53 (2.1)
Average precipitation days (≥ 1 mm) 8 10 10 13 15 13 12 11 10 13 8 7

Monthly sunshine hours in Holiday Hills, Illinois, United States §

The sunniest months in Holiday Hills are June, July and August, when the sun shines an average of 11 hours 6 minutes a day.Least sunny months in Holiday Hills: January, February and December receive an average of 5 hours 18 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Holiday Hills, 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 121 184 236 243 278 325 360 336 277 207 189 176
Mean daily daylight hours 9h 28m 10h 34m 11h 58m 13h 23m 14h 36m 15h 12m 14h 52m 13h 47m 12h 25m 11h 0m 9h 46m 9h 7m

Solar UV radiation in Holiday Hills, Illinois, United States §

Holiday Hills experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 10, which corresponds to the Very High 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 3. For more detailed information, check out our hourly Holiday Hills UV Index data.

Average daily maximum UV levels by month for Holiday Hills, 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 4 6 8 9 10 10 9 8 5 3 2