Climate Insights for Bethany Beach

The climate in Bethany Beach is temperate. The average annual temperature is 15°C and approximately 1181mm of precipitation falls per year. Bethany Beach receives a notable amount of rainfall throughout the year, including during its driest month. Bethany Beach is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: Luglio, Agosto, Settembre. The coldest months are Gennaio, Febbraio, Marzo, when temperatures can drop to 2°C. Light snow can occur between January and December.

Temperatures in Bethany Beach vary considerably across the year, with a 25°C difference between the coldest and warmest months. The warmest month is Luglio, when average highs reach 27°C and the mean temperature sits around 25°C. Gennaio is the coolest month, with minimum temperatures around 2°C and an average of 4°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows. The sharpest temperature change occurs between October and November, with a 6°C shift in average temperatures.

Bethany Beach is a moderately rainy area, receiving approximately 1181mm of precipitation annually, which averages out to around 98mm per month. The wettest month is October, averaging 121mm of rainfall. December and January also tend to see above-average precipitation. The driest month is June, with just 78mm. That's 43mm less than October, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Light snowfall can occur between January and December, totalling around 22cm annually. January is the snowiest month with approximately 12cm.

Bethany Beach is moderately windy, with an average annual wind speed of 27km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 31km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in August, with average winds dropping to 22km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 9km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 30km/h in winter, 29km/h in spring, 23km/h in summer, 27km/h in autumn.

It is currently winter in Bethany Beach, which began on December 21, 2026. Bethany Beach is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in Luglio at around 27°C, while the coldest stretch bottoms out in Gennaio near 2°C. Spring is next, beginning on March 20, 2026 — 1 days from now.

The best time to visit Bethany Beach is during Giugno, Agosto and Settembre, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 85mm per month. By contrast, Luglio can be uncomfortably hot with highs reaching 27°C, while Gennaio is the coldest period with lows dropping to 2°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Bethany Beach based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.