March weather forecast
Darien, CT

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Weather in March

The first month of the spring, March, is a frosty month in Darien, Connecticut, with an average temperature varying between 34.2°F (1.2°C) and 44.6°F (7°C).

Temperature

With the beginning of March, Darien's average high-temperature sees a minor increase, transitioning from a wintry 38.3°F (3.5°C) in February to a frosty 44.6°F (7°C). The average low-temperature during March nights is a cold 34.2°F (1.2°C).

Humidity

In March, the average relative humidity is 73%.

Rainfall

In Darien, in March, it is raining for 12.8 days, with typically 3.03" (77mm) of accumulated precipitation. In Darien, during the entire year, the rain falls for 166.4 days and collects up to 38.7" (983mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Darien, during March, snow falls for 5 days and regularly aggregates up to 2.6" (66mm) of snow. Throughout the year, there are 25.7 snowfall days, and 9.09" (231mm) of snow is accumulated.

Daylight

In Darien, the average length of the day in March is 11h and 58min.
On the first day of the month, sunrise is at 6:26 am and sunset at 5:45 pm EST. On the last day of March, sunrise is at 6:37 am and sunset at 7:18 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

The average sunshine in March is 6.1h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.
Note: A typical high UV index of 2 in March suggests the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.

Frequently asked questions

Is March cold?

In Darien, in March, the average high-temperature is 44.6°F (7°C), and the average low-temperature is 34.2°F (1.2°C).

What is the average humidity in March?

In March, the average relative humidity is 73%.

How much does it rain in March?

In March, the rain falls for 12.8 days. Throughout March, 3.03" (77mm) of precipitation is accumulated.

How much does it snow in March?

In Darien, during March, snow falls for 5 days and regularly aggregates up to 2.6" (66mm) of snow.

How many hours of daylight does Darien have in March?

The average day length in March is 11h and 58min.

When is the sunrise / sunset in March?

In March, on the first day of the month, sunrise is at 6:26 am and sunset at 5:45 pm EST. On the last day of the month, sunrise is at 6:37 am and sunset at 7:18 pm EDT.

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

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 Darien, the average sunshine duration in March is 6.1h.

When is the lowest UV index?

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.

How high is the UV index in March?

In Darien, the average daily maximum UV index in March is 2. A UV Index value of 2, and less, symbolizes a low health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Darien, CT

Average temperature in March - Darien, CT
  • Average high temperature in March: 44.6°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in March: 34.2°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).

Average pressure in March
Darien, CT

Average pressure in March - Darien, CT
  • Average pressure in March: 30.05"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in March
Darien, CT

Average wind speed in March - Darien, CT
  • Average wind speed in March: 9.9mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

Average humidity in March
Darien, CT

Average humidity in March - Darien, CT
  • Average humidity in March: 73%

The month with the highest relative humidity is May (76%).
The months with the lowest relative humidity are April, August and November (72%).

Average rainfall in March
Darien, CT

Average rainfall in March - Darien, CT
  • Average rainfall in March: 3.03"

The wettest months (with the highest rainfall) are July and December (4.17").
The driest month (with the least rainfall) is January (2.48").

Average rainfall days in March
Darien, CT

Average rainfall days in March - Darien, CT
  • Average rainfall days in March: 12.8 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (8.8 days).

Average snowfall in March
Darien, CT

Average snowfall in March - Darien, CT
  • Average snowfall in March: 2.6"

The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in March
Darien, CT

Average snowfall days in March - Darien, CT
  • Average snowfall days in March: 5 days

The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in March /
Average sunshine in March
Darien, CT

Average daylight in March / Average sunshine in March - Darien, CT
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in March: 6h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in March
Darien, CT

Average sunshine days in March - Darien, CT
  • Average sunshine days in March: 13.5 days

The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is June (10.8 days).

Average UV index in March
Darien, CT

Average UV index in March - Darien, CT
  • Average UV index in March: 2

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

Average cloud cover in March
Darien, CT

Average cloud cover in March - Darien, CT
  • Average cloud cover in March: 48

The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in March
Darien, CT

Average visibility in March - Darien, CT
  • 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).

Darien, Connecticut, USA

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