Palmyra (PA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Palmyra.
Climate overview of Palmyra
Palmyra, Pennsylvania, United States of America, sees big temperature differences between seasons, with July peaking at 30°C (86°F) and January dropping to 3°C (37°F).
With around 1202 mm (47 in) of annual rain/snowfall, Palmyra 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 September. The sunniest month is July, with 10.3 hours of sunshine per day on average.
Palmyra Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Palmyra - and find the best time to visit.
Monthly Temperature in Palmyra
Visitors to Palmyra can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 30°C (86°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 3°C (37°F).
At night, temperatures range from around 18°C (64°F) in July to -6°C (21°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Palmyra
Palmyra is known for its substantial rain/snowfall, with annual precipitation reaching 1202 mm (47 in). Palmyra experiences moderate seasonal variation in rainfall, with monthly averages ranging from 135 mm (5.3 in) in September, the wettest month, and 66 mm (2.6 in) in January, the driest month. For more details, please visit our Palmyra 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 Palmyra
Palmyra can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 10.3 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 4.2 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 Palmyra by Month
The relative humidity is high throughout the year in Palmyra.
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 Palmyra
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 Palmyra
What is the best time to visit Palmyra?
May, June, August and September typically offer the most optimal weather in Palmyra. In contrast, January, February, March and December tend to have less optimal conditions. Palmyra has warm summers and cold winters.
What temperatures can I expect in Palmyra?
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 Palmyra get?
Annual rainfall is around 1202 mm (47 in). September is the wettest month with 135 mm (5.3 in), while January is the driest with 66 mm (2.6 in).
How sunny is Palmyra?
Palmyra 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, Palmyra enjoys abundant sunshine.
Palmyra 3-Day Forecast
Palmyra (PA) 3-Day Forecast
Palmyra on the map
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