Climate and monthly weather forecast
Delaware City, DE

Weather in January

January, like December, in Delaware City, Delaware, is another cold winter month, with an average temperature fluctuating between 26.8°F (-2.9°C) and 38.3°F (3.5°C). With an average high-temperature of 38.3°F (3.5°C) and an average low-temperature of 26.8°F (-2.9°C), January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Delaware City, is also a wintry month, with an average temperature fluctuating between 41.7°F (5.4°C) and 29.3°F (-1.5°C). In Delaware City, the average high-temperature in February is almost the same as in January - a still wintry 41.7°F (5.4°C). Weather in February »

Weather in March

March, the first month of the spring in Delaware City, is a cool month, with an average temperature ranging between min 35.2°F (1.8°C) and max 50.2°F (10.1°C). In Delaware City, the average high-temperature in March slightly increases from a wintry 41.7°F (5.4°C) in February to a cool 50.2°F (10.1°C). Weather in March »

Weather in April

April is an enjoyable spring month in Delaware City, Delaware, with an average temperature varying between 46°F (7.8°C) and 62.4°F (16.9°C). In April, the average high-temperature increases from a fresh 50.2°F (10.1°C) in March to an enjoyable 62.4°F (16.9°C). Weather in April »

Weather in May

May, the last month of the spring in Delaware City, is an agreeable month, with an average temperature ranging between min 55°F (12.8°C) and max 72°F (22.2°C). In May, the average high-temperature rises from an enjoyable 62.4°F (16.9°C) in April to an agreeable 72°F (22.2°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Delaware City, Delaware, with an average temperature varying between 63°F (17.2°C) and 80.1°F (26.7°C). In June, the average high-temperature marginally rises from a pleasant 72°F (22.2°C) in May to a warm 80.1°F (26.7°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Delaware City, Delaware, with temperature in the range of an average high of 84.7°F (29.3°C) and an average low of 68.4°F (20.2°C). The warmest month is July, with an average high-temperature of 84.7°F (29.3°C) and an average low-temperature of 68.4°F (20.2°C). In July, the average heat index is evaluated at a hot 94.5°F (34.7°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Delaware City, Delaware, with temperature in the range of an average low of 66.9°F (19.4°C) and an average high of 83.5°F (28.6°C). In August, the average high-temperature is almost the same as in July - a still warm 83.5°F (28.6°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Delaware City, Delaware, with an average temperature fluctuating between 77°F (25°C) and 60.8°F (16°C). In September, the average high-temperature marginally drops from 83.5°F (28.6°C) in August to a still warm 77°F (25°C). Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in Delaware City, Delaware, with temperature in the range of an average low of 51.3°F (10.7°C) and an average high of 65.3°F (18.5°C). In Delaware City, the average high-temperature in October drops from a warm 77°F (25°C) in September to an enjoyable 65.3°F (18.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Delaware City, is another cool month, with an average temperature varying between 40.1°F (4.5°C) and 53.4°F (11.9°C). In November, the average high-temperature drops from a comfortable 65.3°F (18.5°C) in October to a fresh 53.4°F (11.9°C). Weather in November »

Weather in December

The first month of the winter, December, is still a chilly month in Delaware City, Delaware, with an average temperature ranging between max 44.4°F (6.9°C) and min 33.3°F (0.7°C). In December, the average high-temperature decreases from a cool 53.4°F (11.9°C) in November to a frosty 44.4°F (6.9°C). Weather in December »
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FAQ

What is the coldest month in Delaware City?

With an average high-temperature of 38.3°F (3.5°C) and an average low-temperature of 26.8°F (-2.9°C), January is the coldest month.

What is the driest month in Delaware City?

January is the month with the least rainfall in Delaware City, Delaware. Rain falls for 7.8 days and accumulates 1.54" (39mm) of precipitation.

How much does it rain in Delaware City?

In Delaware City, during the entire year, the rain falls for 145.9 days and collects up to 24.45" (621mm) of precipitation.

When does it snow in Delaware City?

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

What is the snowiest month in Delaware City?

January is the month with the most snowfall in Delaware City. Snow falls for 4.3 days and accumulates 1.65" (42mm) of snow.

How many days does it snow in Delaware City?

In Delaware City, during the entire year, snow falls for 13 days and aggregates up to 5.24" (133mm) of snow.

What are the months with the lowest UV index in Delaware City?

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

What is the month with the coldest ocean in Delaware City?

February is the month with the coldest seawater, with an average ocean temperature of 41°F (5°C).

What is the month with the least sunshine in Delaware City?

The month with the least sunshine in Delaware City, Delaware, is February, with an average of 4.9h of sunshine.

When is Daylight Saving Time (DST) in Delaware City?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from EDT to EST.

What is the least humid month in Delaware City?

The least humid month in Delaware City is April, with an average relative humidity of 72%.

When it does not snow in Delaware City?

May through October are months without snowfall in Delaware City, Delaware.

What are the months with the highest UV index in Delaware City?

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

When are the longest days in Delaware City?

With an average of 14h and 55min of daylight, June has the longest days of the year in Delaware City, Delaware.

What is the warmest month in Delaware City?

With an average high-temperature of 84.7°F (29.3°C) and an average low-temperature of 68.4°F (20.2°C), July is the warmest month.

What month has the most sunshine in Delaware City?

With an average of 10.7h of sunshine, July has the most sunshine of the year in Delaware City, Delaware.

What is the rainiest month in Delaware City?

August is the month with the most rainfall. Rain falls for 15.3 days and accumulates 3.11" (79mm) of precipitation.

What is the month with the warmest ocean in Delaware City?

With an average ocean temperature of 76.3°F (24.6°C), August is the month with the warmest seawater in Delaware City, Delaware.

What is the most humid month in Delaware City?

With an average relative humidity of 78%, October is the most humid month in Delaware City.

What is the month with the shortest days in Delaware City?

The month with the shortest days in Delaware City, Delaware, is December, with an average of 9h and 26min of daylight.

Average temperature
Delaware City, DE

Average temperature - Delaware City, DE

The warmest month (with the highest average high temperature) is July (29.3°C).
The month with the lowest average high temperature is January (3.5°C).

The month with the highest average low temperature is July (20.2°C).
The coldest month (with the lowest average low temperature) is January (-2.9°C).

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Average pressure
Delaware City, DE

Average pressure - Delaware City, DE

The month with the highest atmospheric pressure is November (1020.2mbar).
The month with the lowest atmospheric pressure is June (1013.9mbar).

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Average wind speed
Delaware City, DE

Average wind speed - Delaware City, DE

The windiest month (with the highest average wind speed) is February (14.4km/h).
The calmest month (with the lowest average wind speed) is August (8.9km/h).

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Average humidity
Delaware City, DE

Average humidity - Delaware City, DE

The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is April (72%).

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Average rainfall
Delaware City, DE

Average rainfall - Delaware City, DE

The wettest month (with the highest rainfall) is August (79mm).
The driest month (with the least rainfall) is January (39mm).

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Average rainfall days
Delaware City, DE

Average rainfall days - Delaware City, DE

The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is January (7.8 days).

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Average snowfall
Delaware City, DE

Average snowfall - Delaware City, DE

The month with the highest snowfall is January (42mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days
Delaware City, DE

Average snowfall days - Delaware City, DE

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

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Average sea temperature
Delaware City, DE

Average sea temperature - Delaware City, DE

The best month for swimming (with the highest average sea temperature) is August (24.6°C).
The coldest month (with the lowest average sea temperature) is February (5°C).

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Average daylight / Average sunshine
Delaware City, DE

Average daylight / Average sunshine - Delaware City, DE

The month with the longest days is June (Average daylight: 14h and 55min).
The month with the shortest days is December (Average daylight: 9h and 26min).

The month with the most sunshine is July (Average sunshine: 10.7h).
The month with the least sunshine is February (Average sunshine: 4.9h).

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Average sunshine days
Delaware City, DE

Average sunshine days - Delaware City, DE

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is May (11.8 days).

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Average UV index
Delaware City, DE

Average UV index - Delaware City, DE

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average visibility
Delaware City, DE

Average visibility - Delaware City, DE

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).

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