March weather forecast and climate
Lewes, DE

Weather in March

March, the first month of the spring, in Lewes, is a chilly month, with temperature in the range of an average high of 47.8°F (8.8°C) and an average low of 39.6°F (4.2°C).

Temperature

In Lewes, the average high-temperature is practically the same as in February - a frosty 47.8°F (8.8°C). In Lewes, in March, the average low-temperature is 39.6°F (4.2°C).

Humidity

In March, the average relative humidity in Lewes is 75%.

Rainfall

In Lewes, during 15.1 rainfall days, 2.99" (76mm) of precipitation is typically accumulated. In Lewes, during the entire year, the rain falls for 173.6 days and collects up to 36.97" (939mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. March is the last month it regularly snows in Lewes. During 1.6 snowfall days, Lewes aggregates 0.55" (14mm) of snow. In Lewes, during the entire year, snow falls for 10.1 days, and aggregates up to 3.39" (86mm) of snow.

Ocean temperature

In Lewes, the average seawater temperature is 42.3°F (5.7°C).
Note: Swimming in 42.3°F (5.7°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

The average length of the day in Lewes is 12h.

Sunshine

In Lewes, the average sunshine in March is 6.9h.

UV index

In Lewes, the average daily maximum UV index in March is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 3 transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in March in Lewes?

In March, the average relative humidity in Lewes, Delaware, is 75%.

How many days does it rain in March in Lewes?

In Lewes, during March, the rain falls for 15.1 days and regularly aggregates up to 2.99" (76mm) of precipitation.

What is the last month it snows in Lewes?

March is the last month it regularly snows. During 1.6 snowfall days, in March, Lewes aggregates 0.55" (14mm) of snow.

What is the water temperature in March in Lewes?

In Lewes, Delaware, the average seawater temperature in March is 42.3°F (5.7°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

What is the average length of the day in March in Lewes?

The average length of the day in March is 12h.

How many hours of sunshine does Lewes have in March?

The average sunshine in March in Lewes is 6.9h.

What is the UV index reading in March in Lewes?

In March, the average daily maximum UV index in Lewes, Delaware, is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to the Sun's UV rays.

Average temperature in March
Lewes, DE

Average temperature in March - Lewes, DE
  • Average high temperature in March: 47.8°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (41.2°F).

  • Average low temperature in March: 39.6°F

The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (32°F).

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Average pressure in March
Lewes, DE

Average pressure in March - Lewes, DE
  • Average pressure in March: 30.07"

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

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Average wind speed in March
Lewes, DE

Average wind speed in March - Lewes, DE
  • Average wind speed in March: 12.1mph

The windiest month (with the highest average wind speed) is January (12.5mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).

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Average humidity in March
Lewes, DE

Average humidity in March - Lewes, DE
  • Average humidity in March: 75%

The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is November (73%).

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Average rainfall in March
Lewes, DE

Average rainfall in March - Lewes, DE
  • Average rainfall in March: 2.99"

The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is January (2.2").

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Average rainfall days in March
Lewes, DE

Average rainfall days in March - Lewes, DE
  • Average rainfall days in March: 15.1 days

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

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Average snowfall in March
Lewes, DE

Average snowfall in March - Lewes, DE
  • Average snowfall in March: 0.55"

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

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Average snowfall days in March
Lewes, DE

Average snowfall days in March - Lewes, DE
  • Average snowfall days in March: 1.6 days

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

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Average sea temperature in March
Lewes, DE

Average sea temperature in March - Lewes, DE
  • Average sea temperature in March: 42.3°F

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).

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Average daylight in March /
Average sunshine in March
Lewes, DE

Average daylight in March / Average sunshine in March - Lewes, DE
  • Average daylight in March: 12h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in March: 6.9h

The month with the most sunshine is July (Average sunshine: 11h).
The month with the least sunshine is February (Average sunshine: 5h).

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Average sunshine days in March
Lewes, DE

Average sunshine days in March - Lewes, DE
  • Average sunshine days in March: 13.8 days

The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (9.8 days).

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Average UV index in March
Lewes, DE

Average UV index in March - Lewes, DE
  • Average UV index in March: 3

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

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Average cloud cover in March
Lewes, DE

Average cloud cover in March - Lewes, DE
  • Average cloud cover in March: 44

Months with the most cloud cover are February and March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 26).

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Average visibility in March
Lewes, DE

Average visibility in March - Lewes, DE
  • Average visibility in March: 6mi

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

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