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Monthly climate in Piper City, Illinois, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Piper City features a humid continental climate (Dfa).Temperatures typically range between -3 °C (28 °F) and 25 °C (77 °F) through the year, but rarely can drop to -30 °C (-21 °F) or can rise to as high as 35 °C (96 °F).The average annual precipitation amounts to about 1136 mm (44.7 inches) and receives 128 rainy days on the 1 mm (0.04 inches) threshold annually.Piper City enjoys an average of 2923 hours of sunshine throughout the year, and daylight varies from 9 hours 17 minutes to 15 hours 2 minutes per day.

Monthly average temperatures in Piper City, Illinois, United States §

The warmest months in Piper City 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 -3 to 1 °C (28 - 35 °F) throughout the day. On average each year, Piper City experiences 103 days above 25 °C (77.0 °F) and 101 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Piper City, 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)		 22°C
(72°F)		 26°C
(79°F)		 29°C
(85°F)		 35°C
(95°F)		 35°C
(95°F)		 35°C
(96°F)		 35°C
(95°F)		 34°C
(94°F)		 32°C
(89°F)		 25°C
(78°F)		 19°C
(66°F)
Mean maximum 13°C
(56°F)		 16°C
(61°F)		 21°C
(71°F)		 28°C
(82°F)		 32°C
(89°F)		 33°C
(92°F)		 34°C
(93°F)		 33°C
(92°F)		 33°C
(91°F)		 30°C
(86°F)		 19°C
(67°F)		 17°C
(63°F)
Average high 1°C
(35°F)		 3°C
(38°F)		 11°C
(51°F)		 16°C
(61°F)		 23°C
(73°F)		 28°C
(83°F)		 29°C
(85°F)		 28°C
(83°F)		 26°C
(80°F)		 19°C
(66°F)		 9°C
(49°F)		 6°C
(43°F)
Daily mean -3°C
(28°F)		 -1°C
(30°F)		 5°C
(42°F)		 11°C
(51°F)		 18°C
(64°F)		 23°C
(74°F)		 25°C
(77°F)		 23°C
(74°F)		 21°C
(70°F)		 13°C
(57°F)		 5°C
(41°F)		 1°C
(35°F)
Average low -7°C
(21°F)		 -6°C
(21°F)		 0°C
(33°F)		 5°C
(42°F)		 13°C
(55°F)		 18°C
(65°F)		 20°C
(68°F)		 18°C
(65°F)		 15°C
(60°F)		 9°C
(48°F)		 0°C
(32°F)		 -3°C
(27°F)
Mean minimum -20°C
(-5°F)		 -20°C
(-4°F)		 -11°C
(13°F)		 -4°C
(26°F)		 3°C
(38°F)		 13°C
(55°F)		 15°C
(59°F)		 12°C
(55°F)		 8°C
(47°F)		 -0°C
(31°F)		 -9°C
(16°F)		 -14°C
(8°F)
Minimum -30°C
(-21°F)		 -27°C
(-16°F)		 -18°C
(-1°F)		 -8°C
(18°F)		 -1°C
(31°F)		 10°C
(50°F)		 13°C
(56°F)		 11°C
(52°F)		 5°C
(41°F)		 -5°C
(24°F)		 -13°C
(8°F)		 -22°C
(-8°F)

Compare climate in Piper City with other places

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

Monthly average precipitation in Piper City, Illinois, United States §

Piper City usually has the most precipitation in April, May and October, with an average of 13 rainy days and 134 mm (5.3 inches) of precipitation per month.The driest months in Piper City are January, November and December. On average, 62 mm (2.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Piper City, 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) 67 (2.7) 72 (2.8) 105 (4.2) 119 (4.7) 158 (6.2) 108 (4.3) 86 (3.4) 98 (3.8) 78 (3.1) 125 (4.9) 63 (2.5) 56 (2.2)
Average precipitation days (≥ 1 mm) 8 10 13 11 16 13 11 10 8 13 8 7

Monthly sunshine hours in Piper City, Illinois, United States §

The sunniest months in Piper City are June, July and August, when the sun shines an average of 10 hours 57 minutes a day.Least sunny months in Piper City: January, February and December receive an average of 5 hours 13 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Piper City, 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 117 170 218 239 279 330 347 330 288 220 192 187
Mean daily daylight hours 9h 37m 10h 39m 11h 58m 13h 19m 14h 28m 15h 2m 14h 43m 13h 42m 12h 24m 11h 3m 9h 53m 9h 17m

Solar UV radiation in Piper City, Illinois, United States §

Piper City 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 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 Piper City UV Index data.

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