Delaware Water Gap (PA) Weather & Climate: Best Time to Visit

Visitors to Delaware Water Gap can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 29°C (84°F) in July, the warmest time of the year, to a very cold 2°C (36°F) during cooler months like January.

At night, you can expect temperatures ranging from 16°C (61°F) in July to around -8°C (18°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Delaware Water Gap is known for its substantial rain/snowfall, with annual precipitation reaching 1359 mm (54 in). While rainfall varies throughout the year, each season offers its own charm. June brings wetter days averaging 152 mm (6 in) of precipitation, spread over 14 rainy days.

In contrast, the driest month November experiences a drier climate, with about 82 mm (3.2 in) of rainfall spread across 10 rainy days. For more details, please visit our Delaware Water Gap Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Daily percentage of sunshine

The relative humidity is high throughout the year in Delaware Water Gap.

The city experiences its highest humidity in September, reaching 74%. In April, the humidity drops to its lowest level at 61%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year