Bethany Beach (DE) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Bethany Beach.
Climate overview of Bethany Beach
Bethany Beach, Delaware, United States of America, sees big temperature differences between seasons, with July peaking at 30°C (86°F) and February dropping to 7°C (45°F).
Rain/snowfall is high, totalling around 1188 mm (47 in) per year. October is the wettest month and February the driest.
Bethany Beach Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Bethany Beach — and find the best time to visit.
Monthly Temperature in Bethany Beach
Visitors to Bethany Beach can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 30°C (86°F) in July, the warmest time of the year, to a chilly 7°C (45°F) during cooler months like February.
At night, you can expect temperatures ranging from 21°C (70°F) in July to around -2°C (28°F) during February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Bethany Beach
Bethany Beach is known for its substantial rain/snowfall, with annual precipitation reaching 1188 mm (47 in). While rainfall varies throughout the year, each season offers its own charm. October brings wetter days averaging 139 mm (5.5 in) of precipitation, spread over 11 rainy days.
In contrast, the driest month February experiences a drier climate, with about 76 mm (3 in) of rainfall spread across 10 rainy days. For more details, please visit our Bethany Beach Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Water Temperature in Bethany Beach
The mean water temperature over the year ranges from 1°C (34°F) in February to 22°C (72°F) in August.
Water temperature over the year
Humidity in Bethany Beach by Month
The relative humidity is high throughout the year in Bethany Beach.
The city experiences its highest humidity in August, reaching 76%. In March, the humidity drops to its lowest level at 64%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Bethany Beach
The weather does bring rainfall during this period, between 79 mm (3.1 in) and 139 mm (5.5 in). Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.
Frequently asked questions about the climate in Bethany Beach
What is the best time to visit Bethany Beach?
May typically offers the most optimal weather in Bethany Beach. In contrast, January, February and December tend to have less optimal conditions.
What temperatures can I expect in Bethany Beach?
Daytime highs range from 7°C (45°F) in February to 30°C (86°F) in July. Nighttime lows range from -2°C (28°F) to 21°C (70°F). Temperatures vary considerably through the year.
How much rain does Bethany Beach get?
Annual rainfall is around 1188 mm (47 in). October is the wettest month with 139 mm (5.5 in), while February is the driest with 76 mm (3 in).
Bethany Beach 3-Day Forecast
Bethany Beach (DE) 3-Day Forecast
Bethany Beach on the map
Bethany Beach is highlighted — select any city to see its climate.
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