Henlopen Keys Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Henlopen Keys.

Climate overview of Henlopen Keys

Henlopen Keys, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 31°C (88°F) in July, while winters cool to 7°C (45°F) in February.

The city receives considerable rain/snowfall, with around 1219 mm (48 in) annually. October is the wettest month.

Henlopen Keys Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Henlopen Keys — and find the best time to visit.

Monthly Temperature in Henlopen Keys

Depending on the time of the year, temperatures range from very warm to chilly in Henlopen Keys. Typically, average maximum daytime temperatures range from a very warm 31°C (88°F) in July to a chilly 7°C (45°F) in the coolest month, February.

Nights vary from 22°C (72°F) in July to around -2°C (28°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Henlopen Keys

Henlopen Keys has a relatively rain/snowy climate with high precipitation levels, averaging 1219 mm (48 in) of rain/snowfall annually. Henlopen Keys offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month October (140 mm (5.5 in)) and the driest month May (78 mm (3.1 in)) is not too significant. For more details, please visit our Henlopen Keys Precipitation page.

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

Best Time to Visit Henlopen Keys

During the months of April, May, June, August, September and October, Henlopen Keys enjoys pleasant weather with average temperatures ranging from 18°C (64°F) to 29°C (85°F). These months are perfect for sightseeing and exploring.

Rainfall during this time ranges from 78 mm (3.1 in) in May to 140 mm (5.5 in) in October. This means you can expect a mix of sunny days and occasional showers.

Planning your next adventure but unsure where to go? Our climate tool suggests perfect locations tailored to your preferred weather conditions. Discover your ideal travel destination with our weather planner.

Frequently asked questions about the climate in Henlopen Keys

What is the best time to visit Henlopen Keys?

May typically offers the most optimal weather in Henlopen Keys. In contrast, January, February and December tend to have less optimal conditions.

What temperatures can I expect in Henlopen Keys?

Daytime highs range from 7°C (45°F) in February to 31°C (88°F) in July. Nighttime lows range from -2°C (28°F) to 22°C (72°F). Temperatures vary considerably through the year.

How much rain does Henlopen Keys get?

Annual rainfall is around 1219 mm (48 in). October is the wettest month with 140 mm (5.5 in), while May is the driest with 78 mm (3.1 in).

Henlopen Keys 3-Day Forecast

Henlopen Keys 3-Day Forecast

Henlopen Keys on the map

Henlopen Keys is highlighted — select any city to see its climate.

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