Yosemite National Park is definitely worth a visit
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Jasper (IN) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Jasper.
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Climate overview of Jasper
Jasper, Indiana, United States of America, sees big temperature differences between seasons, with July peaking at 30°C (86°F) and January dropping to 5°C (41°F).
Rain/snowfall is high, totalling around 1382 mm (54 in) per year. April is the wettest month and August the driest. The city also experiences very warm summers and cold winters. July is the sunniest month, averaging 10.7 hours of sunshine per day.
Jasper Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Jasper - and find the best time to visit.
Monthly Temperature in Jasper
Visitors to Jasper can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a very warm 30°C (86°F) in July, the warmest time of the year, to a chilly 5°C (41°F) during cooler months like January.
At night, you can expect temperatures ranging from 19°C (66°F) in July to around -5°C (23°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Jasper
Jasper is known for its substantial rain/snowfall, with annual precipitation reaching 1382 mm (54 in). While rainfall varies throughout the year, each season offers its own charm. April brings wetter days averaging 162 mm (6.4 in) of precipitation, spread over 12 rainy days.
In contrast, the driest month August experiences a drier climate, with about 76 mm (3 in) of rainfall spread across 8 rainy days. For more details, please visit our Jasper Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Jasper
Seasonal changes in sunshine hours are quite dramatic in Jasper. While July receives considerable daily sunshine with up to 10.7 hours, December marks the darkest time of the year, where sunshine is scarce with only 4.3 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Evansville, the United States of America (71 KM, 44 Miles).
Daily hours of sunshine
Data from: Evansville, the United States of America (71 KM, 44 Miles).
Daily percentage of sunshine
Data from: Evansville, the United States of America (71 KM, 44 Miles).
Humidity in Jasper by Month
The relative humidity is high throughout the year in Jasper.
The city experiences its highest humidity in September, reaching 73%. In April, the humidity drops to its lowest level at 64%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Evansville, the United States of America (71 KM, 44 Miles).
Best Time to Visit Jasper
The most comfortable overall weather for exploring Jasper is usually found in April, May, September and October. Conditions are generally least comfortable in January, February, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
cold
Feb
cold
Mar
mixed
Apr
very good
May
very good
Jun
mixed
Jul
mixed
Aug
good
Sep
very good
Oct
very good
Nov
wet
Dec
wet
- Best overall: April, May, September and October
- Warmest weather: June, July and August
- Most sunshine: June, July and August
- Fewer rainy days: February, August, September, October and November
- Seasonal pattern: Very warm summers and cold winters
- Coldest conditions: January, with freezing nights around -5°C (23°F).
Frequently asked questions about the climate in Jasper
What is the best time to visit Jasper?
April, May, September and October typically offer the most optimal weather in Jasper. In contrast, January, February, November and December tend to have less optimal conditions. Jasper has very warm summers and cold winters.
What temperatures can I expect in Jasper?
Daytime highs range from 5°C (41°F) in January to 30°C (86°F) in July. Nighttime lows range from -5°C (23°F) to 19°C (66°F). Temperatures vary considerably through the year.
How much rain does Jasper get?
Annual rainfall is around 1382 mm (54 in). April is the wettest month with 162 mm (6.4 in), while August is the driest with 76 mm (3 in).
How sunny is Jasper?
Jasper receives around 2,713 hours of sunshine per year. July is the sunniest month with 322 hours, while December is the cloudiest with just 130 hours. Overall, Jasper enjoys abundant sunshine.
Jasper 3-Day Forecast
Jasper on the map
Jasper is highlighted - select any city to see its climate.
Popular in October
Where to go in October - average daytime high across popular destinations.
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29°C (84°F) Destin26°C (79°F) Los Angeles24°C (75°F) New York City19°C (66°F) Big Bear Lake19°C (66°F) Bucket list
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