Mechanicsburg (PA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Mechanicsburg.
Climate overview of Mechanicsburg
Temperatures in Mechanicsburg, Pennsylvania, United States of America, vary greatly throughout the year. July is the hottest month at 30°C (86°F), while January is the coldest at 3°C (37°F).
The city receives considerable rain/snowfall, with around 1178 mm (46 in) annually. June is the wettest month. It has warm summers and cold winters. The most sunshine falls in July, with an average of 10.3 hours of daily sunshine.
Mechanicsburg Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Mechanicsburg - and find the best time to visit.
Monthly Temperature in Mechanicsburg
The climate in Mechanicsburg is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a comfortable 30°C (86°F) in July to a chilly 3°C (37°F) in the coolest month, January.
Nights vary from 18°C (64°F) in July to around -6°C (21°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Mechanicsburg
Mechanicsburg has a notably wet climate with abundant precipitation, recording 1178 mm (46 in) of rain/snowfall per year. Mechanicsburg offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month June (134 mm (5.3 in)) and the driest month November (66 mm (2.6 in)) is not too significant. For more details, please visit our Mechanicsburg 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 Mechanicsburg
For those who appreciate different seasons, Mechanicsburg serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 10.3 hours of sunshine daily, and embrace the darker days in December, offering only 4.2 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
Humidity in Mechanicsburg by Month
The relative humidity is high throughout the year in Mechanicsburg.
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
Best Time to Visit Mechanicsburg
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June, August and September
- Warmest weather: July and August
- Most sunshine: July
- Fewer rainy days: January, February, March, September and November
- Seasonal pattern: Warm summers and cold winters
- Coldest conditions: January, with freezing nights around -6°C (21°F).
Frequently asked questions about the climate in Mechanicsburg
What is the best time to visit Mechanicsburg?
May, June, August and September typically offer the most optimal weather in Mechanicsburg. In contrast, January, February and December tend to have less optimal conditions. Mechanicsburg has warm summers and cold winters.
What temperatures can I expect in Mechanicsburg?
Daytime highs range from 3°C (37°F) in January 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 Mechanicsburg get?
Annual rainfall is around 1178 mm (46 in). June is the wettest month with 134 mm (5.3 in), while November is the driest with 66 mm (2.6 in).
How sunny is Mechanicsburg?
Mechanicsburg receives around 2,609 hours of sunshine per year. July is the sunniest month with 310 hours, while December is the cloudiest with just 126 hours. Overall, Mechanicsburg enjoys abundant sunshine.
Mechanicsburg 3-Day Forecast
Mechanicsburg (PA) 3-Day Forecast
Mechanicsburg on the map
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