Exton (PA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Exton.
Climate overview of Exton
Exton, Pennsylvania, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 30°C (86°F) in July, while winters cool to 4°C (39°F) in February.
The city has a wet climate, receiving around 1310 mm (52 in) of rain/snowfall per year. October is the wettest month. The most sunshine falls in July, with an average of 9.2 hours of daily sunshine.
Exton Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Exton — and find the best time to visit.
Monthly Temperature in Exton
Depending on the time of the year, temperatures range from very warm to chilly in Exton. On average, daytime temperatures range from a very warm 30°C (86°F) in July to a chilly 4°C (39°F) in February.
Nighttime temperatures range from 18°C (64°F) in July to -6°C (21°F) in February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Exton
Exton has a relatively rain/snowy climate with high precipitation levels, averaging 1310 mm (52 in) of rain/snowfall annually. The amount of precipitation varies moderately throughout the year. The wettest month, October, sees around 144 mm (5.7 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, November, still receives a respectable 75 mm (3 in) of rainfall. For more details, please visit our Exton 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 Exton
In Exton, summer days are longer and more sunny, with daily sunshine hours peaking at 9.2 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 4.7 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Exton by Month
The relative humidity is high throughout the year in Exton.
The city experiences its highest humidity in September, reaching 72%. In April, the humidity drops to its lowest level at 61%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Exton
Rainfall during this time ranges from 104 mm (4.1 in) in May to 144 mm (5.7 in) in October. This means you can expect a mix of sunny days and occasional showers. Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.
Frequently asked questions about the climate in Exton
What is the best time to visit Exton?
May, June, August and September typically offer the most optimal weather in Exton. In contrast, January, February and December tend to have less optimal conditions.
What temperatures can I expect in Exton?
Daytime highs range from 4°C (39°F) in February to 30°C (86°F) in July. Nighttime lows range from -6°C (21°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does Exton get?
Annual rainfall is around 1310 mm (52 in). October is the wettest month with 144 mm (5.7 in), while November is the driest with 75 mm (3 in).
How sunny is Exton?
Exton receives around 2,500 hours of sunshine per year. July is the sunniest month with 275 hours, while December is the cloudiest with just 140 hours. Overall, Exton enjoys abundant sunshine.
Exton 3-Day Forecast
Exton (PA) 3-Day Forecast
Exton on the map
Exton is highlighted — select any city to see its climate.
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