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Monthly climate in Jasper, Indiana, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Jasper features a humid subtropical climate (Cfa).Temperatures typically range between 1 °C (34 °F) and 26 °C (79 °F) through the year, but rarely can drop to -19 °C (-1 °F) or can rise to as high as 37 °C (98 °F).The average annual precipitation amounts to about 1324 mm (52.1 inches) and receives 125 rainy days on the 1 mm (0.04 inches) threshold annually.Jasper enjoys an average of 2958 hours of sunshine throughout the year, and daylight varies from 9 hours 31 minutes to 14 hours 47 minutes per day.

Monthly average temperatures in Jasper, Indiana, United States §

The warmest months in Jasper are June, July and August, with daily mean temperatures ranging from 24 to 26 °C (76 - 79 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 1 to 4 °C (34 - 40 °F) throughout the day. On average each year, Jasper experiences 122 days above 25 °C (77.0 °F) and 66 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Jasper, Indiana, 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 20°C
(68°F)		 25°C
(78°F)		 25°C
(78°F)		 29°C
(85°F)		 34°C
(93°F)		 35°C
(95°F)		 37°C
(98°F)		 35°C
(96°F)		 34°C
(94°F)		 34°C
(94°F)		 27°C
(81°F)		 22°C
(71°F)
Mean maximum 17°C
(63°F)		 20°C
(69°F)		 23°C
(73°F)		 28°C
(83°F)		 32°C
(90°F)		 34°C
(93°F)		 35°C
(95°F)		 34°C
(93°F)		 33°C
(92°F)		 31°C
(88°F)		 22°C
(72°F)		 19°C
(66°F)
Average high 5°C
(41°F)		 8°C
(47°F)		 14°C
(57°F)		 19°C
(66°F)		 25°C
(77°F)		 29°C
(85°F)		 31°C
(88°F)		 30°C
(86°F)		 28°C
(82°F)		 21°C
(70°F)		 12°C
(54°F)		 9°C
(49°F)
Daily mean 1°C
(34°F)		 3°C
(38°F)		 8°C
(47°F)		 13°C
(56°F)		 20°C
(68°F)		 24°C
(76°F)		 26°C
(79°F)		 25°C
(77°F)		 22°C
(72°F)		 16°C
(61°F)		 7°C
(45°F)		 4°C
(40°F)
Average low -2°C
(28°F)		 -1°C
(30°F)		 4°C
(39°F)		 8°C
(47°F)		 15°C
(59°F)		 19°C
(67°F)		 22°C
(71°F)		 20°C
(68°F)		 17°C
(63°F)		 11°C
(52°F)		 2°C
(36°F)		 0°C
(33°F)
Mean minimum -14°C
(6°F)		 -14°C
(8°F)		 -7°C
(20°F)		 -1°C
(30°F)		 5°C
(42°F)		 14°C
(58°F)		 16°C
(62°F)		 14°C
(58°F)		 9°C
(48°F)		 2°C
(35°F)		 -6°C
(21°F)		 -9°C
(16°F)
Minimum -19°C
(-1°F)		 -17°C
(2°F)		 -13°C
(8°F)		 -4°C
(26°F)		 1°C
(35°F)		 11°C
(52°F)		 15°C
(59°F)		 13°C
(56°F)		 8°C
(46°F)		 -1°C
(30°F)		 -13°C
(10°F)		 -16°C
(4°F)

Compare climate in Jasper with other places

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

Monthly average precipitation in Jasper, Indiana, United States §

Jasper usually has the most precipitation in March, May and June, with an average of 12 rainy days and 143 mm (5.6 inches) of precipitation per month.The driest months in Jasper are July, August and September. On average, 83 mm (3.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Jasper, Indiana, 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) 90 (3.5) 119 (4.7) 150 (5.9) 127 (5.0) 143 (5.6) 136 (5.4) 79 (3.1) 88 (3.5) 81 (3.2) 107 (4.2) 96 (3.8) 107 (4.2)
Average precipitation days (≥ 1 mm) 8 12 12 11 14 11 11 9 8 10 9 10

Monthly sunshine hours in Jasper, Indiana, United States §

The sunniest months in Jasper are June, July and August, when the sun shines an average of 10 hours 56 minutes a day.Least sunny months in Jasper: January, February and December receive an average of 5 hours 6 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Jasper, Indiana, 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 126 156 212 251 279 329 354 322 292 246 204 181
Mean daily daylight hours 9h 49m 10h 46m 11h 58m 13h 13m 14h 16m 14h 47m 14h 30m 13h 34m 12h 22m 11h 8m 10h 4m 9h 31m

Solar UV radiation in Jasper, Indiana, United States §

Jasper 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, November and December are in the 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 Jasper UV Index data.

Average daily maximum UV levels by month for Jasper, Indiana, 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 10 11 10 9 9 6 4 3