March weather forecast
South Windsor, CT

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Weather in March

The first month of the spring, March, is a chilly month in South Windsor, Connecticut, with an average temperature varying between 29.5°F (-1.4°C) and 44.2°F (6.8°C).

Temperature

March's onset brings a subtle temperature rise, moving from a wintry 36°F (2.2°C) in February to a chilly 44.2°F (6.8°C). South Windsor experiences a nighttime temperature average of 29.5°F (-1.4°C) during March.

Humidity

In March, the average relative humidity is 75%.

Rainfall

In South Windsor, in March, it is raining for 12.7 days, with typically 2.68" (68mm) of accumulated precipitation. In South Windsor, during the entire year, the rain falls for 164.8 days and collects up to 31.77" (807mm) of precipitation.

Snowfall

Months with snowfall in South Windsor, Connecticut, are January through May, October through December. In March, it is snowing for 6.9 days. Throughout March, 4.17" (106mm) of snow is accumulated. In South Windsor, during the entire year, snow falls for 31.6 days and aggregates up to 17.13" (435mm) of snow.

Daylight

The average length of the day in March is 11h and 58min.
On the first day of the month, sunrise is at 6:23 am and sunset at 5:41 pm EST. On the last day of March, in South Windsor, sunrise is at 6:33 am and sunset at 7:15 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 6.3h.

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 of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 2 during March leads to these instructions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold does it get in March?

The average high-temperature, in March, in South Windsor, is 44.2°F (6.8°C), while the average low-temperature is 29.5°F (-1.4°C).

What is the average humidity in March?

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

How much does it rain in March?

In South Windsor, in March, during 12.7 rainfall days, 2.68" (68mm) of precipitation is typically accumulated.

How much does it snow in South Windsor in March?

In South Windsor, in March, snow falls for 6.9 days, with typically accumulated 4.17" (106mm) of snow.

What is the average length of the day in March?

In South Windsor, the average day length in March is 11h and 58min.

When are sunrise and sunset in March in South Windsor?

In March, on the first day of the month, sunrise is at 6:23 am and sunset at 5:41 pm EST. On the last day of the month, in South Windsor, sunrise is at 6:33 am and sunset at 7:15 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 March, the average sunshine duration is 6.3h.

What are the months with the lowest UV index?

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

What is the UV index reading in March?

The average daily maximum UV index in March is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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
South Windsor, CT

Average temperature in March - South Windsor, CT
  • Average high temperature in March: 44.2°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (32.9°F).

  • Average low temperature in March: 29.5°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).

Average pressure in March
South Windsor, CT

Average pressure in March - South Windsor, CT
  • Average pressure in March: 30.04"Hg

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in March
South Windsor, CT

Average wind speed in March - South Windsor, CT
  • Average wind speed in March: 8.1mph

The windiest months (with the highest average wind speed) are January and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in March
South Windsor, CT

Average humidity in March - South Windsor, CT
  • Average humidity in March: 75%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (71%).

Average rainfall in March
South Windsor, CT

Average rainfall in March - South Windsor, CT
  • Average rainfall in March: 2.68"

The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is September (1.77").

Average rainfall days in March
South Windsor, CT

Average rainfall days in March - South Windsor, CT
  • Average rainfall days in March: 12.7 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (10 days).

Average snowfall in March
South Windsor, CT

Average snowfall in March - South Windsor, CT
  • Average snowfall in March: 4.17"

The month with the highest snowfall is February (4.8").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in March
South Windsor, CT

Average snowfall days in March - South Windsor, CT
  • Average snowfall days in March: 6.9 days

The month with the highest number of snowfall days is February (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in March /
Average sunshine in March
South Windsor, CT

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

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in March: 6h and 2min

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

Average sunshine days in March
South Windsor, CT

Average sunshine days in March - South Windsor, CT
  • Average sunshine days in March: 12.5 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (11.2 days).

Average UV index in March
South Windsor, CT

Average UV index in March - South Windsor, CT
  • Average UV index in March: 2

The months with the highest UV index are June and July (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
South Windsor, CT

Average cloud cover in March - South Windsor, CT
  • Average cloud cover in March: 48

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in March
South Windsor, CT

Average visibility in March - South Windsor, CT
  • Average visibility in March: 6mi

The months with the highest visibility are January, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are February, May and September (5mi).

South Windsor, Connecticut, USA

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