Denver (PA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Denver.
Climate overview of Denver
Denver, Pennsylvania, United States of America, sees big temperature differences between seasons, with July peaking at 30°C (86°F) and January dropping to 4°C (39°F).
With around 1200 mm (47 in) of annual rain/snowfall, Denver 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. The most sunshine falls in July, with an average of 10.3 hours of daily sunshine.
Denver Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Denver - and find the best time to visit.
Monthly Temperature in Denver
Visitors to Denver 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 4°C (39°F).
At night, temperatures range from around 19°C (66°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 Denver
Denver is known for its substantial rain/snowfall, with annual precipitation reaching 1200 mm (47 in). Denver experiences moderate seasonal variation in rainfall, with monthly averages ranging from 137 mm (5.4 in) in June, the wettest month, and 67 mm (2.6 in) in November, the driest month. For more details, please visit our Denver 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 Denver
Denver 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 Denver by Month
The relative humidity is high throughout the year in Denver.
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 Denver
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May
- Warmest weather: July and August
- Most sunshine: July
- 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 Denver
What is the best time to visit Denver?
May typically offers the most optimal weather in Denver. In contrast, January, February and December tend to have less optimal conditions. Denver has warm summers and cold winters.
What temperatures can I expect in Denver?
Daytime highs range from 4°C (39°F) in January to 30°C (86°F) in July. Nighttime lows range from -6°C (21°F) to 19°C (66°F). Temperatures vary considerably through the year.
How much rain does Denver get?
Annual rainfall is around 1200 mm (47 in). June is the wettest month with 137 mm (5.4 in), while November is the driest with 67 mm (2.6 in).
How sunny is Denver?
Denver 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, Denver enjoys abundant sunshine.
Denver 3-Day Forecast
Denver (PA) 3-Day Forecast
Denver on the map
Denver is highlighted - select any city to see its climate.
Popular this month
Where to go in July - average daytime high across popular destinations.
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