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Monthly climate in Harper, Kansas, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Harper features a humid subtropical climate (Cfa).Temperatures typically range between 1 °C (35 °F) and 28 °C (82 °F) through the year, but rarely can drop to -26 °C (-15 °F) or can rise to as high as 41 °C (105 °F).The average annual precipitation amounts to about 816 mm (32.1 inches) and receives 82 rainy days on the 1 mm (0.04 inches) threshold annually.Harper enjoys an average of 3302 hours of sunshine throughout the year, and daylight varies from 9 hours 38 minutes to 14 hours 39 minutes per day.

Monthly average temperatures in Harper, Kansas, United States §

The warmest months in Harper are June, July and August, with daily mean temperatures ranging from 26 to 28 °C (79 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 1 to 4 °C (35 - 40 °F) throughout the day. On average each year, Harper experiences 133 days above 25 °C (77.0 °F) and 81 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Harper, Kansas, 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
(71°F)		 25°C
(77°F)		 32°C
(90°F)		 36°C
(97°F)		 36°C
(96°F)		 39°C
(103°F)		 41°C
(105°F)		 39°C
(102°F)		 37°C
(98°F)		 37°C
(98°F)		 27°C
(80°F)		 26°C
(78°F)
Mean maximum 18°C
(65°F)		 23°C
(73°F)		 27°C
(81°F)		 31°C
(88°F)		 33°C
(91°F)		 36°C
(98°F)		 38°C
(101°F)		 38°C
(100°F)		 36°C
(98°F)		 33°C
(92°F)		 24°C
(76°F)		 20°C
(69°F)
Average high 8°C
(47°F)		 9°C
(48°F)		 17°C
(62°F)		 21°C
(69°F)		 26°C
(78°F)		 32°C
(90°F)		 33°C
(92°F)		 32°C
(90°F)		 30°C
(86°F)		 22°C
(71°F)		 15°C
(59°F)		 11°C
(52°F)
Daily mean 1°C
(35°F)		 2°C
(36°F)		 10°C
(50°F)		 14°C
(57°F)		 20°C
(68°F)		 26°C
(79°F)		 28°C
(82°F)		 26°C
(79°F)		 23°C
(74°F)		 15°C
(59°F)		 8°C
(47°F)		 4°C
(40°F)
Average low -4°C
(25°F)		 -4°C
(26°F)		 4°C
(39°F)		 7°C
(45°F)		 14°C
(58°F)		 20°C
(68°F)		 22°C
(72°F)		 21°C
(69°F)		 17°C
(64°F)		 9°C
(48°F)		 2°C
(36°F)		 -2°C
(29°F)
Mean minimum -13°C
(9°F)		 -15°C
(5°F)		 -7°C
(20°F)		 -2°C
(28°F)		 6°C
(43°F)		 14°C
(57°F)		 17°C
(63°F)		 15°C
(60°F)		 9°C
(48°F)		 -2°C
(29°F)		 -7°C
(20°F)		 -10°C
(14°F)
Minimum -18°C
(-0°F)		 -26°C
(-15°F)		 -13°C
(8°F)		 -6°C
(21°F)		 4°C
(39°F)		 11°C
(53°F)		 16°C
(61°F)		 14°C
(57°F)		 6°C
(43°F)		 -4°C
(25°F)		 -13°C
(10°F)		 -13°C
(9°F)

Compare climate in Harper with other places

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

Monthly average precipitation in Harper, Kansas, United States §

Harper usually has the most precipitation in May, June and October, with an average of 10 rainy days and 124 mm (4.9 inches) of precipitation per month.The driest months in Harper are February, November and December. On average, 27 mm (1.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Harper, Kansas, 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) 32 (1.2) 27 (1.1) 76 (3.0) 68 (2.7) 157 (6.2) 115 (4.5) 54 (2.1) 70 (2.8) 63 (2.5) 100 (3.9) 22 (0.9) 31 (1.2)
Average precipitation days (≥ 1 mm) 3 4 8 8 13 9 7 8 7 8 4 3

Monthly sunshine hours in Harper, Kansas, United States §

The sunniest months in Harper are June, July and August, when the sun shines an average of 11 hours 21 minutes a day.Least sunny months in Harper: January, February and November receive an average of 7 hours 7 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Harper, Kansas, 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 183 215 256 271 295 349 369 325 288 261 242 243
Mean daily daylight hours 9h 55m 10h 49m 11h 59m 13h 10m 14h 10m 14h 39m 14h 23m 13h 30m 12h 22m 11h 11m 10h 9m 9h 38m

Solar UV radiation in Harper, Kansas, United States §

Harper experiences the highest level of ultraviolet (UV) radiation in April, 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 5. For more detailed information, check out our hourly Harper UV Index data.

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