Horsham (PA), United States of America - Weather and Climate
The climate in Horsham, Pennsylvania, United States of America is marked by big temperature swings throughout the year.
Temperatures range from very warm during the warmest months
to cold in the cooler months.
It is also known for its heavy rain/snowfall.
Now, let’s explore all the climate details to give you a complete picture.
Average maximum day and minimum night temperature
In Horsham, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a very warm 30°C in July to a chilly 4°C in the coolest month, January.
Nights are cooler, with lows often dropping to around -5°C during the colder months.Check out our detailed temperature page for more information.
Temperature ranges by month
Precipitation and rainy days
Horsham experiences significant rain/snowfall throughout the year, averaging 1285 mm of precipitation annually. Horsham offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between August (138 mm) and February (75 mm) is not too significant, making the climate enjoyable for visitors and residents alike.
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
For those who appreciate different seasons, Horsham serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 9.2 hours of sunshine daily, and embrace the darker days in December, offering only 4.7 hours of daily sunlight.
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 Horsham.
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
Forecast for Horsham (PA)
Select a Month of Interest
Check the conditions for any month of the year.
The best time of year to visit Horsham in the United States of America
During the months of May 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 30°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 4°C.
August tops the wettest month list with 138 mm of rainfall.
February is the driest month with 75 mm of precipitation.
July is the sunniest month with an average of 275 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.
