Hummelstown (PA), United States of America - Weather and Climate
The climate in Hummelstown, Pennsylvania, United States of America, is marked by big temperature swings throughout the year.
Temperatures range from warm during the warmest months
to cold in the cooler months.
It also has a relatively rain/snowy climate with high levels of precipitation.
Let's now guide you through the climate details for a complete overview.
Average maximum day and minimum night temperature
In Hummelstown, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 30°C in July to a chilly 3°C in February.
Nighttime temperatures can drop, with average lows reaching -6°C in February.Check out our detailed temperature page for more information.
Temperature ranges by month
Precipitation and rainy days
Hummelstown experiences significant rain/snowfall throughout the year, averaging 1221 mm of precipitation annually. The amount of precipitation varies moderately throughout the year. The wettest month, September, sees around 140 mm of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, November, still receives a respectable 66 mm of rainfall.
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
In Hummelstown, summer days are longer and more sunny, with daily sunshine hours peaking at 10.3 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 4.2 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
Average humidity
The relative humidity is high throughout the year in Hummelstown.
The city experiences its highest humidity in September, reaching 73%. In April, the humidity drops to its lowest level at 59%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Forecast for Hummelstown (PA)
Select a Month of Interest
Check the conditions for any month of the year.
The best time of year to visit Hummelstown 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 February with an average maximum temperature of 3°C.
September tops the wettest month list with 140 mm of rainfall.
November is the driest month with 66 mm of precipitation.
July is the sunniest month with an average of 310 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.
