Updated October 2026
Delaware Water Gap National Recreation Area Weather by Month
Delaware Water Gap National Recreation Area is warmest in July, when the nearest NOAA climate station averages a high of 84°F and a low of 62°F, and coldest in January, with an average high of 37°F and an average low of 17°F.
These figures are NOAA's 1991–2020 climate normals, the 30-year average for each calendar month, from the nearest long-record weather station, 11 miles from the park's reference point. A single station cannot describe a whole park: temperatures elsewhere in Delaware Water Gap National Recreation Area can differ from these, particularly with elevation.
Warmest month
Jul
84°F avg high
Coldest month
Jan
17°F avg low
Longest days
Jun
14.9 h of daylight
Average weather at Delaware Water Gap by month
| Month | Avg high | Avg low | Daylight |
|---|---|---|---|
| January | 37°F | 17°F | 9.4 h |
| February | 40°F | 19°F | 10.4 h |
| March | 48°F | 28°F | 11.7 h |
| April | 61°F | 38°F | 13.1 h |
| May | 70°F | 48°F | 14.3 h |
| June | 80°F | 57°F | 14.9 h |
| July | 84°F | 62°F | 14.7 h |
| August | 83°F | 60°F | 13.6 h |
| September | 75°F | 52°F | 12.3 h |
| October | 64°F | 41°F | 10.9 h |
| November | 52°F | 32°F | 9.6 h |
| December | 41°F | 24°F | 9.0 h |
NOAA 1991–2020 climate normals from station USC00286177, 11 miles from the park's reference point. Daylight is the monthly average, computed from the park's latitude. Each month links to how crowded Delaware Water Gap is at that time of year.
Delaware Water Gap weather by season
Winter: December to February
Average highs bottom out at 37°F in January, between 41°F in December and 40°F in February, with average lows between 17°F and 24°F. The average low is at or below freezing in all three months. Daylight is at its shortest, about 9.0 hours in December.
Spring: March to May
Average highs climb from 48°F in March to 70°F in May, with average lows between 28°F and 48°F. The average low is at or below freezing in March. Daylight lengthens from about 11.7 hours in March to 14.3 in May.
Summer: June to August
Average highs peak at 84°F in July, between 80°F in June and 83°F in August, with average lows between 57°F and 62°F. Daylight is at its longest, about 14.9 hours in June.
Fall: September to November
Average highs fall from 75°F in September to 52°F in November, with average lows between 32°F and 52°F. The average low is at or below freezing in November. Daylight shortens from about 12.3 hours in September to 9.6 in November.
What the National Park Service says about the weather
Spring: Temperatures usually range from lows of 26 F to highs of 80 F with average rainfall of 5 inches. Summer: Temperatures usually range from lows of 55 F to highs of 85 F with average rainfall of 4 inches. Fall: Temperatures usually range from lows of 30 F to highs of 83F. Fall foliage is at its peak sometime in October as daily mountain temperatures vary frequently and influence the change. Winter: Temperatures usually range from lows of 15 F to highs of 49 F.
Weather description courtesy of the National Park Service — official park site.
Today's forecast for Delaware Water Gap
Averages describe a typical month, not this week. For current conditions and the seven-day outlook, the National Weather Service issues a forecast for the park's reference point at 41.13°N, 74.95°W. It covers that one spot, so other elevations in the park can differ from it, as they do from the averages above.
National Weather Service forecast for Delaware Water Gap National Recreation Area →
Weather and crowds together
July is both the warmest month and the busiest, with about 1.7× the visitors of the park's average month. January is the quietest. To see those crowds set against the weather for all twelve months, read the best time to visit Delaware Water Gap National Recreation Area. For hotels, cabins and rentals close to the park, see where to stay near Delaware Water Gap.
Where to stay near Delaware Water Gap
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Top-rated places to stay near Delaware Water Gap
Prices for Oct 16–18, 4 adults. Change dates on the map below.
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Frequently Asked Questions
July is the warmest month at Delaware Water Gap National Recreation Area, with an average high of 84°F and an average low of 62°F. That is the 1991–2020 average at the nearest long-record NOAA station, 11 miles from the park's reference point. Temperatures inside the park can differ, particularly with elevation.
January is the coldest month at Delaware Water Gap National Recreation Area, with an average low of 17°F and an average high of 37°F, based on NOAA 1991–2020 climate normals.
Daylight at Delaware Water Gap National Recreation Area runs from about 9.0 hours a day in December to about 14.9 hours in June, computed from the park's latitude.
Weather at nearby parks
33 mi away · warmest in July (86°F)
37 mi away · warmest in July (82°F)
42 mi away · warmest in July (85°F)
43 mi away · warmest in July (87°F)
44 mi away · warmest in July (86°F)
56 mi away · warmest in July (87°F)
Keep exploring
Sources: NOAA NCEI U.S. Climate Normals 1991–2020 (station USC00286177), daylight computed from latitude, weather description from the National Park Service, crowd levels from National Park Service Visitor Use Statistics (1979–2025). Updated 2026-10-11. Lodging results are provided by Stay22; WhenToVisitParks may earn a commission from bookings, at no extra cost to you.