Jasper, IN
Climate overview — based on NOAA 1991-2020 normals from PATOKA LAKE, IN US.
Year-round temperatures (°F)
Avg high
Avg low
Climate summary
Jasper has an annual average temperature of 57°F with about 0 inches of precipitation per year. The warmest month is July (average high 91.7°F), and the coldest is January (average low 22.5°F).
Pleasant months
1 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
47°F
warmest to coldest month
Best time to visit Jasper
Full guide →Climate change signal
All-time records →366 of 366 (100%) of Jasper's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 2010s | 131 | |
| 2020s | 235 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 42.4°F | 22.5°F | 32.5°F | in | — | — |
| February | 46.7°F | 24.5°F | 35.6°F | in | — | — |
| March | 57.2°F | 32.9°F | 45.1°F | in | — | — |
| April | 68.6°F | 43.2°F | 55.9°F | in | — | — |
| May | 78.2°F | 55.2°F | 66.7°F | in | — | — |
| June | 87.1°F | 63.5°F | 75.3°F | in | — | — |
| July | 91.7°F | 67.2°F | 79.5°F | in | — | — |
| August | 89.7°F | 65.0°F | 77.4°F | in | — | — |
| September | 83.4°F | 58.0°F | 70.7°F | in | — | — |
| October | 73.0°F | 47.1°F | 60.1°F | in | — | — |
| November | 57.9°F | 36.4°F | 47.2°F | in | — | — |
| December | 47.0°F | 28.8°F | 37.9°F | in | — | — |
Last spring / first fall frost
All-time recordsHottest, coldest, wettest
Planting calendarWhat to plant, and when