March weather forecast
Dewey Beach, DE

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Weather in March

March ushers in spring, as temperatures start to steadily rise in Dewey Beach, Delaware. This change is noticeable as the average high and low temperatures stand at 47.3°F (8.5°C) and 39.7°F (4.3°C) respectively. Along with the warmer temperatures, rainfall also witnesses an increase, amounting to 0.51" (13mm) usually distributed among 7.6 days. This trend is sustained as the city transitions to April, promising more sun and less snow. The weather becomes increasingly outdoor-friendly, beckoning visitors to partake in the local festivities.

Temperature

The advent of March in Dewey Beach, Delaware, brings an average high-temperature of a chilly 47.3°F (8.5°C), exhibiting minor difference from the previous month. Dewey Beach's average temperature during the nights of March is recorded at an icy 39.7°F (4.3°C).

Humidity

In Dewey Beach, the average relative humidity in March is 76%.

Rainfall

In Dewey Beach, in March, during 7.6 rainfall days, 0.51" (13mm) of precipitation is typically accumulated. In Dewey Beach, during the entire year, the rain falls for 89.4 days and collects up to 6.18" (157mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. March is the last month it regularly snows. During 1.2 snowfall days, in March, Dewey Beach aggregates 0.08" (2mm) of snow. Throughout the year, in Dewey Beach, there are 7.3 snowfall days, and 0.43" (11mm) of snow is accumulated.

Daylight

In March, the average length of the day is 11h and 59min.
On the first day of the month, sunrise is at 6:31 am and sunset at 5:53 pm EST. On the last day of March, in Dewey Beach, sunrise is at 6:45 am and sunset at 7:23 pm EDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from EDT to EST.

Sunshine

In March, the average sunshine in Dewey Beach is 6.9h.

UV index

The average daily maximum UV index in March in Dewey Beach is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 3 during March leads to these advisories:
Take precautions - Protection against sunburn is recommended. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Always opt for UVA and UVB-resistant sunglasses on radiant days. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
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Frequently asked questions

What is the temperature in March in Dewey Beach?

During March, Dewey Beach experiences an average high-temperature of 47.3°F (8.5°C) and a low-temperature of 39.7°F (4.3°C).

What is the average humidity in March in Dewey Beach?

In Dewey Beach, Delaware, the average relative humidity in March is 76%.

How much does it rain in Dewey Beach in March?

In Dewey Beach, during March, the rain falls for 7.6 days and regularly aggregates up to 0.51" (13mm) of precipitation.

What is the last month it snows in Dewey Beach?

March is the last month it regularly snows in Dewey Beach. During 1.2 snowfall days, in March, Dewey Beach aggregates 0.08" (2mm) of snow.

What is the average length of the day in March in Dewey Beach?

The average day length in March is 11h and 59min.

When is the sunrise / sunset in March in Dewey Beach?

In March, on the first day of the month, sunrise is at 6:31 am and sunset at 5:53 pm EST. On the last day of the month, in Dewey Beach, Delaware, sunrise is at 6:45 am and sunset at 7:23 pm EDT.

When does Daylight Saving Time (DST) start in March in Dewey Beach?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. DST ends Sunday, November 3. 2024, at 2:00 am.

How long on average sun shines in March in Dewey Beach?

In March, the average sunshine duration in Dewey Beach, Delaware, is 6.9h.

What is the UV index reading in March in Dewey Beach?

In March, the average daily maximum UV index in Dewey Beach, Delaware, is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Dewey Beach, DE

Average temperature in March - Dewey Beach, DE
  • Average high temperature in March: 47.3°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (41.4°F).

  • Average low temperature in March: 39.7°F

The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (33.1°F).

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Average pressure in March
Dewey Beach, DE

Average pressure in March - Dewey Beach, DE
  • Average pressure in March: 30.07"Hg

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 in March
Dewey Beach, DE

Average wind speed in March - Dewey Beach, DE
  • Average wind speed in March: 12.6mph

The windiest month (with the highest average wind speed) is January (13mph).
The calmest month (with the lowest average wind speed) is August (8.8mph).

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Average humidity in March
Dewey Beach, DE

Average humidity in March - Dewey Beach, DE
  • Average humidity in March: 76%

The month with the highest relative humidity is May (82%).
The month with the lowest relative humidity is November (73%).

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Average rainfall in March
Dewey Beach, DE

Average rainfall in March - Dewey Beach, DE
  • Average rainfall in March: 0.51"

The wettest month (with the highest rainfall) is October (0.71").
The driest month (with the least rainfall) is September (0.28").

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Average rainfall days in March
Dewey Beach, DE

Average rainfall days in March - Dewey Beach, DE
  • Average rainfall days in March: 7.6 days

The month with the highest number of rainy days is July (10.2 days).
The month with the least rainy days is November (4.9 days).

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Average snowfall in March
Dewey Beach, DE

Average snowfall in March - Dewey Beach, DE
  • Average snowfall in March: 0.08"

The months with the highest snowfall are January and December (0.12").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in March
Dewey Beach, DE

Average snowfall days in March - Dewey Beach, DE
  • Average snowfall days in March: 1.2 days

The month with the highest number of snowfall days is January (2.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in March /
Average sunshine in March
Dewey Beach, DE

Average daylight in March / Average sunshine in March - Dewey Beach, DE
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in March: 6h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

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Average sunshine days in March
Dewey Beach, DE

Average sunshine days in March - Dewey Beach, DE
  • Average sunshine days in March: 21.2 days

The month with the most sunshine days is January (23.5 days).
The months with the least sunshine days are June and July (18.2 days).

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Average UV index in March
Dewey Beach, DE

Average UV index in March - Dewey Beach, DE
  • Average UV index in March: 3

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 and December (UV index 2).

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Average cloud cover in March
Dewey Beach, DE

Average cloud cover in March - Dewey Beach, DE
  • Average cloud cover in March: 44

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 24).

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Average visibility in March
Dewey Beach, DE

Average visibility in March - Dewey Beach, DE
  • Average visibility in March: 6mi

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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Dewey Beach, Delaware, USA

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