Harmarville (PA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Harmarville.
Climate overview of Harmarville
Harmarville, Pennsylvania, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 29°C (84°F) in July, while winters cool to 2°C (36°F) in January.
With around 1144 mm (45 in) of annual rain/snowfall, Harmarville has a notably wet climate. However, this rain/snowfall is not evenly distributed — the city has warm summers and cold winters. The wettest month is June. July is the sunniest month, averaging 8.5 hours of sunshine per day.
Harmarville Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Harmarville - and find the best time to visit.
Monthly Temperature in Harmarville
Depending on the time of the year, temperatures range from comfortable to chilly in Harmarville. Average daytime temperatures reach a comfortable 29°C (84°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 2°C (36°F).
At night, temperatures range from around 17°C (63°F) in July to -7°C (19°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Harmarville
Harmarville has a relatively rain/snowy climate with high precipitation levels, averaging 1144 mm (45 in) of rain/snowfall annually. Harmarville experiences moderate seasonal variation in rainfall, with monthly averages ranging from 138 mm (5.4 in) in June, the wettest month, and 69 mm (2.7 in) in February, the driest month. For more details, please visit our Harmarville 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 Harmarville
Harmarville 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
Humidity in Harmarville by Month
The relative humidity is high throughout the year in Harmarville.
The city experiences its highest humidity in September, reaching 72%. 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 Harmarville
Each month is rated for comfortable sightseeing weather — mild temperatures and low rainfall. Tap a month for its full averages; your ideal time may differ for a beach or winter trip (see below).
- Best overall: August
- Warmest weather: July and August
- Most sunshine: June and July
- Climate seasons: warm summers and cold winters
- Best for winter weather: January, with freezing nights around -7°C (19°F).
Frequently asked questions about the climate in Harmarville
What is the best time to visit Harmarville?
August typically offers the most optimal weather in Harmarville. In contrast, January, February, March and December tend to have less optimal conditions. Harmarville has warm summers and cold winters.
What temperatures can I expect in Harmarville?
Daytime highs range from 2°C (36°F) in January to 29°C (84°F) in July. Nighttime lows range from -7°C (19°F) to 17°C (63°F). Temperatures vary considerably through the year.
How much rain does Harmarville get?
Annual rainfall is around 1144 mm (45 in). June is the wettest month with 138 mm (5.4 in), while February is the driest with 69 mm (2.7 in).
How sunny is Harmarville?
Harmarville receives around 2,029 hours of sunshine per year. July is the sunniest month with 255 hours, while December is the cloudiest with just 73 hours. Overall, Harmarville enjoys abundant sunshine.
Harmarville 3-Day Forecast
Harmarville (PA) 3-Day Forecast
Harmarville on the map
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