Dewey Beach
Delaware, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Dewey Beach, DE

January, like December, in Dewey Beach, Delaware, is a wintry winter month, with average temperature ranging between max 41.4°F (5.2°C) and min 33.1°F (0.6°C). With an average high-temperature of 41.4°F (5.2°C) and an average low-temperature of 33.1°F (0.6°C), January is the coldest month. Weather in January »

The last month of the winter, February, is another cold month in Dewey Beach, Delaware, with average temperature ranging between max 42.6°F (5.9°C) and min 34.3°F (1.3°C). In February, the average high-temperature is essentially the same as in January - a still cold 42.6°F (5.9°C). Weather in February »

March, the first month of the spring, in Dewey Beach, is a frosty month, with average temperature ranging between min 39.7°F (4.3°C) and max 47.3°F (8.5°C). In March, the average high-temperature is relatively the same as in February - a chilly 47.3°F (8.5°C). Weather in March »

April is a moderate spring month in Dewey Beach, Delaware, with temperature in the range of an average high of 56.5°F (13.6°C) and an average low of 48.7°F (9.3°C). In Dewey Beach, the average high-temperature increases, from a frosty 47.3°F (8.5°C) in March, to a moderate 56.5°F (13.6°C). Weather in April »

The last month of the spring, May, is a comfortable month in Dewey Beach, Delaware, with average temperature fluctuating between 65.5°F (18.6°C) and 58.5°F (14.7°C). In May, the average high-temperature rises, from a mild 56.5°F (13.6°C) in April, to a comfortable 65.5°F (18.6°C). Weather in May »

June, the first month of the summer, in Dewey Beach, is a warm month, with average temperature ranging between max 74.5°F (23.6°C) and min 67.6°F (19.8°C). In Dewey Beach, Delaware, the average high-temperature rises, from an enjoyable 65.5°F (18.6°C) in May, to a warm 74.5°F (23.6°C). Weather in June »

July, the same as June, is a moderately hot summer month in Dewey Beach, Delaware, with average temperature varying between 80.2°F (26.8°C) and 73.6°F (23.1°C). With an average high-temperature of 80.2°F (26.8°C) and an average low-temperature of 73.6°F (23.1°C), July is the warmest month. Weather in July »

The last month of the summer, August, is also a moderately hot month in Dewey Beach, Delaware, with average temperature ranging between max 79.2°F (26.2°C) and min 73°F (22.8°C). In Dewey Beach, the average high-temperature is essentially the same as in July - a still warm 79.2°F (26.2°C). Weather in August »

September, the first month of the autumn, in Dewey Beach, is also a moderately hot month, with average temperature fluctuating between 74.1°F (23.4°C) and 67.8°F (19.9°C). In September, the average high-temperature is relatively the same as in August - a still warm 74.1°F (23.4°C). Weather in September »

October, like September, in Dewey Beach, Delaware, is another enjoyable autumn month, with temperature in the range of an average high of 65.3°F (18.5°C) and an average low of 58.1°F (14.5°C). In Dewey Beach, the average high-temperature marginally drops, from a warm 74.1°F (23.4°C) in September, to a comfortable 65.3°F (18.5°C). Weather in October »

November, the last month of the autumn, in Dewey Beach, is another cool month, with average temperature ranging between min 46.8°F (8.2°C) and max 54.5°F (12.5°C). In Dewey Beach, the average high-temperature in November drops, from an enjoyable 65.3°F (18.5°C) in October, to a fresh 54.5°F (12.5°C). Weather in November »

December, the first month of the winter, in Dewey Beach, is also a frosty month, with average temperature ranging between min 39.4°F (4.1°C) and max 47.3°F (8.5°C). In Dewey Beach, Delaware, the average high-temperature slightly decreases, from a cool 54.5°F (12.5°C) in November, to a frosty 47.3°F (8.5°C). Weather in December »

What is the coldest month in Dewey Beach?

January is the coldest month in Dewey Beach, with an average high-temperature of 41.4°F (5.2°C) and an average low-temperature of 33.1°F (0.6°C).

How much does it rain in Dewey Beach?

In Dewey Beach, during the entire year, the rain falls for 89.4 days and collects up to 6.18" (157mm) of precipitation.

When does it snow in Dewey Beach?

Months with snowfall in Dewey Beach are January through March, November and December.

How much does it snow in Dewey Beach?

Throughout the year, there are 7.3 snowfall days, and 0.43" (11mm) of snow is accumulated.

When does it snow the most in Dewey Beach?

Months with the most snowfall in Dewey Beach are January and December, with an average 0.12" (3mm) of accumulated snow.

When is the lowest UV index in Dewey Beach?

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Dewey Beach, Delaware.

What is the month with the least sunshine in Dewey Beach?

The month with the least sunshine in Dewey Beach, Delaware, is February, with an average of 5h of sunshine.

When it does not snow in Dewey Beach?

April through October are months without snowfall.

What is the most humid month in Dewey Beach?

The most humid month in Dewey Beach, Delaware, is May, with an average relative humidity of 82%.

When is the highest UV index in Dewey Beach?

May through August, with an average maximum UV index of 6, are months with the highest UV index in Dewey Beach, Delaware.

When are the longest days in Dewey Beach?

With an average of 14.8h of daylight, June has the longest days of the year in Dewey Beach, Delaware.

What is the warmest month in Dewey Beach?

July is the warmest month, with an average high-temperature of 80.2°F (26.8°C) and an average low-temperature of 73.6°F (23.1°C).

What month has the most sunshine in Dewey Beach?

July has the most sunshine of the year, with an average of 11.1h of sunshine.

What is the driest month in Dewey Beach?

The month with the least rainfall in Dewey Beach, Delaware, is September when the rain falls for 7.5 days and typically collects 0.28" (7mm) of precipitation.

What is the rainiest month in Dewey Beach?

The month with the most rainfall in Dewey Beach, Delaware, is October when the rain falls for 6.8 days and typically aggregates up to 0.71" (18mm) of precipitation.

What is the least humid month in Dewey Beach?

The least humid month is November, with an average relative humidity of 73%.

What is the month with the shortest days in Dewey Beach?

With an average of 9.5h of daylight, December has the shortest days of the year.
Average temperature - Dewey Beach, DE
Average rainfall - Dewey Beach, DE

The wettest month (with the highest rainfall) is October (0.71").
The driest month (with the least rainfall) is September (0.28").

Average rainfall days - Dewey Beach, DE
Average snowfall - Dewey Beach, DE

Months with the highest snowfall are January and December (0.12").
Months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days - Dewey Beach, DE

The month with the highest number of snowfall days is January (2.4 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight / Average sunshine - Dewey Beach, DE

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

The month with the most sunshine is July (Average sunshine: 11.1h).
The month with the least sunshine is February (Average sunshine: 5h).

Average UV index - Dewey Beach, DE