March weather forecast
Deep River, CT

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Weather in March

March, the first month of the spring in Deep River, is a chilly month, with an average temperature ranging between max 43.7°F (6.5°C) and min 32.5°F (0.3°C).

Temperature

Deep River's transition into March brings a slight rise in the average high-temperature, moving from a cold 37.9°F (3.3°C) in February to a chilly 43.7°F (6.5°C). In the month of March, Deep River experiences an average low-temperature of 32.5°F (0.3°C).

Humidity

In Deep River, the average relative humidity in March is 74%.

Rainfall

In Deep River, during March, the rain falls for 13.3 days and regularly aggregates up to 2.8" (71mm) of precipitation. In Deep River, during the entire year, the rain falls for 166.2 days and collects up to 34.8" (884mm) of precipitation.

Snowfall

Months with snowfall are January through May, November and December. March is the month with the most snowfall. Snow falls for 4.7 days and accumulates 2.76" (70mm) of snow.

Daylight

In March, the average length of the day is 11h and 58min.
On the first day of March, sunrise is at 6:23 am and sunset at 5:41 pm EST. On the last day of the month, sunrise is at 6:33 am and sunset at 7:14 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 is 6.3h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In March, an average UV index of 2 transforms into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is March in Deep River?

The average high-temperature and low-temperature during March are 43.7°F (6.5°C) and 32.5°F (0.3°C) respectively.

What is the average humidity in March?

In March, the average relative humidity is 74%.

How much does it rain in March?

In Deep River, in March, during 13.3 rainfall days, 2.8" (71mm) of precipitation is typically accumulated.

What is the snowiest month?

March is the month with the most snowfall. Snow falls for 4.7 days and accumulates 2.76" (70mm) of snow.

How much does it snow in March?

In Deep River, in March, snow falls for 4.7 days, with typically accumulated 2.76" (70mm) of snow.

What is the average length of the day in March?

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

When are sunrise and sunset in March?

On the first day of March, sunrise is at 6:23 am and sunset at 5:41 pm EST. On the last day of the month, sunrise is at 6:33 am and sunset at 7:14 pm EDT.

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

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?

The average sunshine duration in March is 6.3h.

What are the months with 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.

What is the UV index intensity in March?

In March, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents 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
Deep River, CT

Average temperature in March - Deep River, CT
  • Average high temperature in March: 43.7°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in March: 32.5°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).

Average pressure in March
Deep River, CT

Average pressure in March - Deep River, CT
  • Average pressure in March: 30.04"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in March
Deep River, CT

Average wind speed in March - Deep River, CT
  • Average wind speed in March: 10.6mph

The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

Average humidity in March
Deep River, CT

Average humidity in March - Deep River, CT
  • Average humidity in March: 74%

The months with the highest relative humidity are May, June and July (78%).
The month with the lowest relative humidity is April (73%).

Average rainfall in March
Deep River, CT

Average rainfall in March - Deep River, CT
  • Average rainfall in March: 2.8"

The wettest month (with the highest rainfall) is December (3.66").
The driest month (with the least rainfall) is September (1.93").

Average rainfall days in March
Deep River, CT

Average rainfall days in March - Deep River, CT
  • Average rainfall days in March: 13.3 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (9 days).

Average snowfall in March
Deep River, CT

Average snowfall in March - Deep River, CT
  • Average snowfall in March: 2.76"

The month with the highest snowfall is March (2.76").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in March
Deep River, CT

Average snowfall days in March - Deep River, CT
  • Average snowfall days in March: 4.7 days

The month with the highest number of snowfall days is February (7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in March /
Average sunshine in March
Deep River, CT

Average daylight in March / Average sunshine in March - Deep River, 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 12min).

  • Average sunshine in March: 6h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).

Average sunshine days in March
Deep River, CT

Average sunshine days in March - Deep River, CT
  • Average sunshine days in March: 13.6 days

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is July (11.7 days).

Average UV index in March
Deep River, CT

Average UV index in March - Deep River, 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
Deep River, CT

Average cloud cover in March - Deep River, CT
  • Average cloud cover in March: 47

The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in March
Deep River, CT

Average visibility in March - Deep River, 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).

Deep River, Connecticut, USA

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