Johnstown (PA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Johnstown.
Climate overview of Johnstown
Johnstown, Pennsylvania, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 27°C (81°F) in July, while winters cool to 2°C (36°F) in February.
With around 1262 mm (50 in) of annual rain/snowfall, Johnstown has a notably wet climate. The wettest month is June. The most sunshine falls in July, with an average of 8.5 hours of daily sunshine.
Johnstown Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Johnstown — and find the best time to visit.
Monthly Temperature in Johnstown
Depending on the time of the year, temperatures range from comfortable to very cold in Johnstown. Average daytime temperatures reach a comfortable 27°C (81°F) in July. In February, the coolest month of the year, temperatures drop to a very cold 2°C (36°F).
At night, temperatures range from around 16°C (61°F) in July to -8°C (18°F) in February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Johnstown
Johnstown has a relatively rain/snowy climate with high precipitation levels, averaging 1262 mm (50 in) of rain/snowfall annually. Johnstown experiences moderate seasonal variation in rainfall, with monthly averages ranging from 131 mm (5.2 in) in June, the wettest month, and 76 mm (3 in) in November, the driest month. For more details, please visit our Johnstown 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 Johnstown
Johnstown can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 8.5 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 2.6 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit Johnstown
Rainfall during this time ranges from 103 mm (4.1 in) in September to 131 mm (5.2 in) in June. This means you can expect a mix of sunny days and occasional showers. Ready to plan your travels but need destination ideas? Our smart tool recommends places based on the climate conditions you prefer. Start planning with our destination weather tool.
Frequently asked questions about the climate in Johnstown
What is the best time to visit Johnstown?
May, June, July, August and September typically offer the most optimal weather in Johnstown. In contrast, January, February, March, November and December tend to have less optimal conditions.
What temperatures can I expect in Johnstown?
Daytime highs range from 2°C (36°F) in February to 27°C (81°F) in July. Nighttime lows range from -8°C (18°F) to 16°C (61°F). Temperatures vary considerably through the year.
How much rain does Johnstown get?
Annual rainfall is around 1262 mm (50 in). June is the wettest month with 131 mm (5.2 in), while November is the driest with 76 mm (3 in).
How sunny is Johnstown?
Johnstown receives around 2,022 hours of sunshine per year. July is the sunniest month with 255 hours, while December is the cloudiest with just 78 hours. Overall, Johnstown enjoys abundant sunshine.
Johnstown 3-Day Forecast
Johnstown (PA) 3-Day Forecast
Johnstown on the map
Johnstown is highlighted — select any city to see its climate.
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