Lewes
Delaware, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Lewes, DE

January, the same as December, is a wintry winter month in Lewes, Delaware, with average temperature fluctuating between 32°F (0°C) and 41.2°F (5.1°C). January is the coldest month, with an average high-temperature of 41.2°F (5.1°C) and an average low-temperature of 32°F (0°C). Weather in January »

February, the last month of the winter, in Lewes, is also a wintry month, with average temperature ranging between min 34.2°F (1.2°C) and max 42.6°F (5.9°C). In February, the average high-temperature is practically 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 Lewes, is a frosty month, with average temperature fluctuating between 47.8°F (8.8°C) and 39.6°F (4.2°C). In March, the average high-temperature is almost the same as in February - a chilly 47.8°F (8.8°C). Weather in March »

April is a mild spring month in Lewes, Delaware, with average temperature fluctuating between 48.6°F (9.2°C) and 57.6°F (14.2°C). In Lewes, the average high-temperature in April increases, from a frosty 47.8°F (8.8°C) in March, to a moderate 57.6°F (14.2°C). Weather in April »

May, the last month of the spring, in Lewes, is a comfortable month, with average temperature varying between 66.4°F (19.1°C) and 58.1°F (14.5°C). In May, the average high-temperature slightly increases, from a mild 57.6°F (14.2°C) in April, to an enjoyable 66.4°F (19.1°C). Weather in May »

June, the first month of the summer, in Lewes, is a moderately hot month, with average temperature varying between 67.6°F (19.8°C) and 75.4°F (24.1°C). In Lewes, the average high-temperature rises, from a comfortable 66.4°F (19.1°C) in May, to a moderately hot 75.4°F (24.1°C). Weather in June »

July, like June, in Lewes, Delaware, is another warm summer month, with average temperature varying between 73°F (22.8°C) and 80.6°F (27°C). The warmest month is July, with an average high-temperature of 80.6°F (27°C) and an average low-temperature of 73°F (22.8°C). The average heat index in July is evaluated at 85.3°F (29.6°C). Weather in July »

The last month of the summer, August, is another warm month in Lewes, Delaware, with average temperature ranging between max 79.5°F (26.4°C) and min 72.1°F (22.3°C). In Lewes, the average high-temperature is practically the same as in July - a still warm 79.5°F (26.4°C). Weather in August »

September, the first month of the autumn, in Lewes, is also a moderately hot month, with temperature in the range of an average high of 74.1°F (23.4°C) and an average low of 67.3°F (19.6°C). In Lewes, the average high-temperature in September slightly decreases, from 79.5°F (26.4°C) in August, to a still warm 74.1°F (23.4°C). Weather in September »

October, the same as September, is another comfortable autumn month in Lewes, Delaware, with temperature in the range of an average low of 57.9°F (14.4°C) and an average high of 65.3°F (18.5°C). In Lewes, the average high-temperature marginally drops, from a warm 74.1°F (23.4°C) in September, to an enjoyable 65.3°F (18.5°C). Weather in October »

The last month of the autumn, November, is another cool month in Lewes, Delaware, with average temperature varying between 54.5°F (12.5°C) and 46.4°F (8°C). In Lewes, the average high-temperature in November decreases, from a comfortable 65.3°F (18.5°C) in October, to a cool 54.5°F (12.5°C). Weather in November »

The first month of the winter, December, is also a frosty month in Lewes, Delaware, with temperature in the range of an average high of 46.9°F (8.3°C) and an average low of 39.2°F (4°C). In December, the average high-temperature marginally drops, from a cool 54.5°F (12.5°C) in November, to a frosty 46.9°F (8.3°C). Weather in December »

What is the coldest month in Lewes?

January is the coldest month, with an average high-temperature of 41.2°F (5.1°C) and an average low-temperature of 32°F (0°C).

How much does it rain in Lewes?

Throughout the year, in Lewes, there are 173.6 rainfall days, and 36.97" (939mm) of precipitation is accumulated.

What is the driest month in Lewes?

January is the month with the least rainfall in Lewes, Delaware. Rain falls for 9.6 days and accumulates 2.2" (56mm) of precipitation.

When does it snow in Lewes?

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

How much does it snow in Lewes?

In Lewes, during the entire year, snow falls for 10.1 days, and aggregates up to 3.39" (86mm) of snow.

What is the snowiest month in Lewes?

January is the month with the most snowfall in Lewes. Snow falls for 3.7 days and accumulates 0.98" (25mm) of snow.

What is the month with the lowest UV index in Lewes?

Months with the lowest UV index in Lewes, Delaware, are January and December, with an average maximum UV index of 2.

What is the month with the coldest ocean in Lewes?

The month with the coldest seawater in Lewes, Delaware, is February, with an average ocean temperature of 40.6°F (4.8°C).

What is the month with the least sunshine in Lewes?

With an average of 5h of sunshine, February has the least sunshine of the year in Lewes.

When it does not snow in Lewes?

April through October are months without snowfall.

What is the most humid month in Lewes?

May is the most humid month in Lewes, with an average relative humidity of 81%.

When is the highest UV index in Lewes?

Months with the highest UV index in Lewes are May through August, with an average maximum UV index of 6.

When are the longest days in Lewes?

June has the longest days of the year in Lewes, with an average of 14.9h of daylight.

What is the warmest month in Lewes?

With an average high-temperature of 80.6°F (27°C) and an average low-temperature of 73°F (22.8°C), July is the warmest month in Lewes, Delaware.

What month has the most sunshine in Lewes?

July has the most sunshine of the year in Lewes, Delaware, with an average of 11h of sunshine.

What is the rainiest month in Lewes?

The month with the most rainfall is August when the rain falls for 18.2 days and typically aggregates up to 4.13" (105mm) of precipitation.

When is the ocean warmest in Lewes?

With an average ocean temperature of 77°F (25°C), August is the month with the warmest seawater.

What is the least humid month in Lewes?

With an average relative humidity of 73%, November is the least humid month.

What is the month with the shortest days in Lewes?

December has the shortest days of the year in Lewes, with an average of 9.5h of daylight.
Average rainfall - Lewes, DE
Average rainfall days - Lewes, DE

The month with the highest number of rainy days is July (18.6 days).
The month with the lowest number of rainy days is January (9.6 days).

Average snowfall - Lewes, DE

The month with the highest snowfall is January (0.98").
Months with the lowest snowfall are April, May, June, July, August, September and October (0").

Average snowfall days - Lewes, DE

The month with the highest number of snowfall days is January (3.7 days).
Months with the lowest number of snowfall days are April, May, June, July, August, September and October (0 days).

Average sea temperature - Lewes, DE

The best month for swimming (with the highest average sea temperature) is August (76.9°F).
The coldest month (with the lowest average sea temperature) is February (40.7°F).

Average daylight / Average sunshine - Lewes, DE