Washington (PA) Weather and Climate: A Comprehensive Guide
The climate in Washington is marked by big temperature swings throughout the year.
Temperatures range from warm during the warmest months
to cold in the cooler months.
It receives a reasonable amount of rain/snowfall.
Let's now guide you through the climate details for a complete overview.
Average maximum day and minimum night temperature
In Washington, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a comfortable 28°C in July. In February, the coolest month of the year, temperatures drop to a chilly 2°C.
At night, you can expect cooler temperatures, with averages dropping to around -8°C during this month. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
On average, Washington receives a reasonable amount of rain/snowfall, with an annual precipitation of 992 mm. Washington experiences moderate seasonal variation in rainfall, with monthly averages ranging from 114 mm in June, the wettest month, and 59 mm in February, the driest month.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Washington 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 2.4 hours of sunlight per day. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is high throughout the year in Washington.
The city experiences its highest humidity in September, reaching 72%. In April, the humidity drops to its lowest level at 59%. Explore our detailed page on humidity levels for further details.
Relative humidity over the year
broken clouds and chance of slight rain broken clouds and slight rain overcast and heavy rainForecast for Washington (PA)
3 m/s
4 m/s
6 m/s
The best time of year to visit Washington in the United States of America
During the months of May, June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
The hottest season / summer takes place in June, July, August and September.
July has an average maximum temperature of 28°C and is the warmest month of the year.
The coldest month is February with an average maximum temperature of 2°C.
June tops the wettest month list with 114 mm of rainfall.
February is the driest month with 59 mm of precipitation.
July is the sunniest month with an average of 255 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
