Climate and monthly weather forecast
Seaford, DE

Weather in January

January, like December, in Seaford, Delaware, is another cold winter month, with temperature in the range of an average high of 41.5°F (5.3°C) and an average low of 29.1°F (-1.6°C). January is the coldest month, with an average high-temperature of 41.5°F (5.3°C) and an average low-temperature of 29.1°F (-1.6°C). Weather in January »

Weather in February

February, the last month of the winter in Seaford, is a frosty month, with an average temperature ranging between min 31.5°F (-0.3°C) and max 45.1°F (7.3°C). In Seaford, the average high-temperature in February is practically the same as in January - a chilly 45.1°F (7.3°C). Weather in February »

Weather in March

March, the first month of the spring in Seaford, is a cool month, with an average temperature fluctuating between 37.8°F (3.2°C) and 51.3°F (10.7°C). In Seaford, the average high-temperature in March slightly increases from a frosty 45.1°F (7.3°C) in February to a fresh 51.3°F (10.7°C). Weather in March »

Weather in April

April is a comfortable spring month in Seaford, Delaware, with an average temperature varying between 62.6°F (17°C) and 47.8°F (8.8°C). In April, the average high-temperature rises from a cool 51.3°F (10.7°C) in March to an enjoyable 62.6°F (17°C). Weather in April »

Weather in May

May, the last month of the spring in Seaford, is an agreeable month, with an average temperature varying between 56.8°F (13.8°C) and 71.6°F (22°C). In Seaford, the average high-temperature in May increases from an enjoyable 62.6°F (17°C) in April to a pleasant 71.6°F (22°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Seaford, Delaware, with an average temperature fluctuating between 64.4°F (18°C) and 79.3°F (26.3°C). In Seaford, Delaware, the average high-temperature in June slightly increases from an agreeable 71.6°F (22°C) in May to a moderately hot 79.3°F (26.3°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Seaford, Delaware, with temperature in the range of an average low of 69.8°F (21°C) and an average high of 84.4°F (29.1°C). The warmest month is July, with an average high-temperature of 84.4°F (29.1°C) and an average low-temperature of 69.8°F (21°C). The average heat index in July is evaluated at a tropical 94.3°F (34.6°C). Weather in July »

Weather in August

August, the last month of the summer in Seaford, is another warm month, with an average temperature varying between 82.6°F (28.1°C) and 67.8°F (19.9°C). In August, the average high-temperature is relatively the same as in July - a still warm 82.6°F (28.1°C). Weather in August »

Weather in September

September, the first month of the autumn in Seaford, is still a warm month, with temperature in the range of an average high of 76.6°F (24.8°C) and an average low of 62.8°F (17.1°C). In September, the average high-temperature marginally drops from a warm 82.6°F (28.1°C) in August to a still moderately hot 76.6°F (24.8°C). Weather in September »

Weather in October

October, like September, in Seaford, Delaware, is another enjoyable autumn month, with temperature in the range of an average high of 66.9°F (19.4°C) and an average low of 53.4°F (11.9°C). In Seaford, the average high-temperature in October drops from a moderately hot 76.6°F (24.8°C) in September to a comfortable 66.9°F (19.4°C). Weather in October »

Weather in November

November, the last month of the autumn in Seaford, is another mild month, with an average temperature varying between 55.4°F (13°C) and 42.3°F (5.7°C). In Seaford, the average high-temperature in November drops from an enjoyable 66.9°F (19.4°C) in October to a mild 55.4°F (13°C). Weather in November »

Weather in December

The first month of the winter, December, is still a chilly month in Seaford, Delaware, with temperature in the range of an average low of 36°F (2.2°C) and an average high of 47.5°F (8.6°C). In Seaford, the average high-temperature in December marginally drops from a mild 55.4°F (13°C) in November to a frosty 47.5°F (8.6°C). Weather in December »
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FAQ

What is the coldest month in Seaford?

With an average high-temperature of 41.5°F (5.3°C) and an average low-temperature of 29.1°F (-1.6°C), January is the coldest month in Seaford, Delaware.

What is the least humid month in Seaford?

The least humid month in Seaford is January, with an average relative humidity of 74%.

How many days does it rain in Seaford?

Throughout the year, there are 95.8 rainfall days, and 8.03" (204mm) of precipitation is accumulated.

When does it snow in Seaford?

January through March, November and December are months with snowfall in Seaford, Delaware.

What is the snowiest month in Seaford?

January is the month with the most snowfall in Seaford. Snow falls for 2 days and accumulates 0.35" (9mm) of snow.

How much does it snow in Seaford?

In Seaford, Delaware, during the entire year, snow falls for 5.6 days and aggregates up to 0.94" (24mm) of snow.

When is the lowest UV index in Seaford?

The months with the lowest UV index in Seaford, Delaware, are January and December, with an average maximum UV index of 2.

What is the month with the least sunshine in Seaford?

February has the least sunshine of the year in Seaford, with an average of 5.1h of sunshine.

When is Daylight Saving Time (DST) in Seaford?

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.

When it does not snow in Seaford?

In Seaford, Delaware, snow does not fall in April through October.

What are the most humid months in Seaford?

The months with the highest humidity in Seaford, Delaware, are May, August and September, with an average relative humidity of 80%.

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

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

When are the longest days in Seaford?

With an average of 14h and 49min of daylight, June has the longest days of the year in Seaford, Delaware.

What is the warmest month in Seaford?

The warmest month in Seaford, Delaware, is July, with an average high-temperature of 84.4°F (29.1°C) and an average low-temperature of 69.8°F (21°C).

What is the wettest month in Seaford?

The wettest months in Seaford, Delaware, are July and August, with an average 1.06" (27mm) of rainfall.

What month has the most sunshine in Seaford?

The month with the most sunshine is July, with an average of 10.8h of sunshine.

What is the driest month in Seaford?

The month with the least rainfall in Seaford is September, when the rain falls for 7.7 days and typically collects 0.39" (10mm) of precipitation.

What is the month with the shortest days in Seaford?

December has the shortest days of the year, with an average of 9h and 31min of daylight.

Average temperature
Seaford, DE

Average temperature - Seaford, DE

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (41.5°F).

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).

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Average pressure
Seaford, DE

Average pressure - Seaford, DE

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed
Seaford, DE

Average wind speed - Seaford, DE

The windiest month (with the highest average wind speed) is February (9.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity
Seaford, DE

Average humidity - Seaford, DE

The months with the highest relative humidity are May, August and September (80%).
The month with the lowest relative humidity is January (74%).

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Average rainfall
Seaford, DE

Average rainfall - Seaford, DE

The wettest months (with the highest rainfall) are July and August (1.06").
The driest month (with the least rainfall) is September (0.39").

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Average rainfall days
Seaford, DE

Average rainfall days - Seaford, DE

The month with the highest number of rainy days is July (12 days).
The month with the least rainy days is November (4.9 days).

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Average snowfall
Seaford, DE

Average snowfall - Seaford, DE

The month with the highest snowfall is January (0.35").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days
Seaford, DE

Average snowfall days - Seaford, DE

The month with the highest number of snowfall days is January (2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Seaford, DE

Average daylight / Average sunshine - Seaford, DE

The month with the longest days is June (Average daylight: 14h and 49min).
The month with the shortest days is December (Average daylight: 9h and 31min).

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

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Average sunshine days
Seaford, DE

Average sunshine days - Seaford, DE

The month with the most sunshine days is November (23.9 days).
The month with the least sunshine days is July (15.7 days).

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Average UV index
Seaford, DE

Average UV index - Seaford, 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 and December (UV index 2).

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Average visibility
Seaford, DE

Average visibility - Seaford, DE

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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