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

Monthly weather forecast and climate
Wilmington, DE

Bright neon lights light up the Central Business District of Wilmington, Delaware, with a scenic reflection in the Christian River
Bright neon lights light up the Central Business District of Wilmington, Delaware, with a scenic reflection in the Christian River
January, like December, in Wilmington, Delaware, is a wintry winter month, with average temperature ranging between min 24.6°F (-4.1°C) and max 40.3°F (4.6°C). The coldest month is January, with an average high-temperature of 40.3°F (4.6°C) and an average low-temperature of 24.6°F (-4.1°C). Weather in January »
February, the last month of the winter, in Wilmington, is a frosty month, with average temperature varying between 43.5°F (6.4°C) and 26.8°F (-2.9°C). In February, the average high-temperature is essentially the same as in January - a frosty 43.5°F (6.4°C). Weather in February »

March, the first month of the spring, in Wilmington, is a cool month, with average temperature varying between 52.3°F (11.3°C) and 33.6°F (0.9°C). In Wilmington, Delaware, the average high-temperature marginally rises, from a chilly 43.5°F (6.4°C) in February, to a cool 52.3°F (11.3°C). Weather in March »

April is an enjoyable spring month in Wilmington, Delaware, with temperature in the range of an average low of 43°F (6.1°C) and an average high of 63.5°F (17.5°C). In April, the average high-temperature rises, from a cool 52.3°F (11.3°C) in March, to an enjoyable 63.5°F (17.5°C). Weather in April »

The last month of the spring, May, is a pleasant month in Wilmington, Delaware, with average temperature ranging between max 73°F (22.8°C) and min 52.5°F (11.4°C). In May, the average high-temperature rises, from a comfortable 63.5°F (17.5°C) in April, to a pleasant 73°F (22.8°C). Weather in May »

June, the first month of the summer, in Wilmington, is a moderately hot month, with temperature in the range of an average low of 62.6°F (17°C) and an average high of 81.9°F (27.7°C). In June, the average high-temperature slightly increases, from an agreeable 73°F (22.8°C) in May, to a moderately hot 81.9°F (27.7°C). Weather in June »

July is a tropical summer month in Wilmington, Delaware, with average temperature ranging between min 67.6°F (19.8°C) and max 86.2°F (30.1°C). With an average high-temperature of 86.2°F (30.1°C) and an average low-temperature of 67.6°F (19.8°C), July is the warmest month. Weather in July »

The last month of the summer, August, is another warm month in Wilmington, Delaware, with average temperature varying between 66°F (18.9°C) and 84.2°F (29°C). In Wilmington, the average high-temperature is essentially the same as in July - a moderately hot 84.2°F (29°C). Weather in August »

The first month of the autumn, September, is still a warm month in Wilmington, Delaware, with average temperature fluctuating between 77.4°F (25.2°C) and 58.3°F (14.6°C). In September, the average high-temperature slightly decreases, from 84.2°F (29°C) in August, to a still moderately hot 77.4°F (25.2°C). Weather in September »

October, the same as September, is another enjoyable autumn month in Wilmington, Delaware, with average temperature fluctuating between 46°F (7.8°C) and 66.2°F (19°C). In October, the average high-temperature drops, from a warm 77.4°F (25.2°C) in September, to a comfortable 66.2°F (19°C). Weather in October »

November, the last month of the autumn, in Wilmington, is another mild month, with temperature in the range of an average low of 37.4°F (3°C) and an average high of 55.8°F (13.2°C). In November, the average high-temperature drops, from an enjoyable 66.2°F (19°C) in October, to a moderate 55.8°F (13.2°C). Weather in November »

The first month of the winter, December, is still a chilly month in Wilmington, Delaware, with average temperature varying between 44.6°F (7°C) and 28.8°F (-1.8°C). In December, the average high-temperature drops, from a mild 55.8°F (13.2°C) in November, to a frosty 44.6°F (7°C). Weather in December »

What is the coldest month in Wilmington?

January is the coldest month in Wilmington, Delaware, with an average high-temperature of 40.3°F (4.6°C) and an average low-temperature of 24.6°F (-4.1°C).

How many days does it rain in Wilmington?

In Wilmington, during the entire year, the rain falls for 117.7 days and collects up to 43.1" (1094.4mm) of precipitation.

When does it snow in Wilmington?

Months with snowfall in Wilmington, Delaware, are January through April, November and December.

How much does it snow in Wilmington?

In Wilmington, during the entire year, snow falls for 11.8 days, and aggregates up to 20.2" (513.2mm) of snow.

What is the month with the least sunshine in Wilmington?

Months with the least sunshine in Wilmington are January, November and December, with an average of 5h of sunshine.

When is the lowest UV index in Wilmington?

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

What is the driest month in Wilmington?

The month with the least rainfall in Wilmington, Delaware, is February when the rain falls for 9.4 days and typically collects 2.7" (68.1mm) of precipitation.

When does it snow the most in Wilmington?

The month with the most snowfall is February when snow falls for 3.6 days and typically aggregates up to 8.3" (210.8mm) of snow.

What month is the ocean coldest in Wilmington?

February is the month with the coldest seawater, with an average ocean temperature of 33.8°F (1°C). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

When are the longest days in Wilmington?

June has the longest days of the year in Wilmington, with an average of 15h of daylight.

What are the months with the most sunshine in Wilmington?

Months with the most sunshine in Wilmington are June and July, with an average of 9h of sunshine.

What is the month with the highest UV index in Wilmington?

June and July, with an average maximum UV index of 9, are months with the highest UV index.

What is the warmest month in Wilmington?

July is the warmest month in Wilmington, Delaware, with an average high-temperature of 86.2°F (30.1°C) and an average low-temperature of 67.6°F (19.8°C).

What is the rainiest month in Wilmington?

The month with the most rainfall is July when the rain falls for 9.9 days and typically aggregates up to 4.6" (116.1mm) of precipitation.

What is the month with the warmest ocean in Wilmington?

With an average ocean temperature of 73.4°F (23°C), August is the month with the warmest seawater. Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 73.4°F (23°C) water may be enjoyable.

What is the month with the shortest days in Wilmington?

The month with the shortest days in Wilmington is December, with an average of 9.4h of daylight.
Average temperature - Wilmington, DE
Average rainfall - Wilmington, DE
Average rainfall days - Wilmington, DE

The month with the highest number of rainy days is April (11.3 days).
The month with the lowest number of rainy days is August (8.1 days).

Average snowfall - Wilmington, DE
Average snowfall days - Wilmington, DE

The month with the highest number of snowfall days is January (4.3 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature - Wilmington, DE
Average daylight / Average sunshine - Wilmington, DE