March weather forecast
Grantville, CT

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Weather in March

The first month of the spring, March, is still a cold month in Grantville, Connecticut, with an average temperature varying between 41.9°F (5.5°C) and 26.8°F (-2.9°C).

Temperature

The beginning of March signals a minor rise in the average high-temperature, moving from a wintry 33.8°F (1°C) in February to a still cold 41.9°F (5.5°C). Throughout March, Grantville anticipates an average low-temperature of 26.8°F (-2.9°C).

Humidity

In Grantville, Connecticut, the average relative humidity in March is 78%.

Rainfall

In Grantville, Connecticut, in March, during 12.8 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. In Grantville, during the entire year, the rain falls for 157.2 days and collects up to 33.31" (846mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Grantville, in March, snow falls for 8.8 days, with typically accumulated 5.79" (147mm) of snow. Throughout the year, in Grantville, there are 45.3 snowfall days, and 25.63" (651mm) of snow is accumulated.

Daylight

In Grantville, Connecticut, 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 5:43 pm EST. On the last day of March, sunrise is at 6:35 am and sunset at 7:17 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 5.7h.

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 estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In March, the maximum UV index of 2 translates into these guidelines:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in March?

The high-temperature during March is 41.9°F (5.5°C) and the low-temperature is 26.8°F (-2.9°C).

What is the average humidity in March?

In March, the average relative humidity is 78%.

How many days does it rain in March?

In Grantville, during March, the rain falls for 12.8 days and regularly aggregates up to 2.64" (67mm) of precipitation.

How much does it snow in March?

In March, in Grantville, it is snowing for 8.8 days. Throughout March, 5.79" (147mm) of snow is accumulated.

What is the average length of the day in March?

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

What time are sunrise and sunset in March?

In March, on the first day of the month, sunrise is at 6:26 am and sunset at 5:43 pm EST. On the last day of the month, sunrise is at 6:35 am and sunset at 7:17 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 Grantville, the average sunshine duration in March is 5.7h.

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?

In Grantville, the average daily maximum UV index in March is 2. A UV Index estimate of 2, and below, represents a low health threat from exposure to the Sun's 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
Grantville, CT

Average temperature in March - Grantville, CT
  • Average high temperature in March: 41.9°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.4°F).

  • Average low temperature in March: 26.8°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (18°F).

Average pressure in March
Grantville, CT

Average pressure in March - Grantville, CT
  • Average pressure in March: 30.05"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
Grantville, CT

Average wind speed in March - Grantville, CT
  • Average wind speed in March: 8.5mph

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

Average humidity in March
Grantville, CT

Average humidity in March - Grantville, CT
  • Average humidity in March: 78%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (74%).

Average rainfall in March
Grantville, CT

Average rainfall in March - Grantville, CT
  • Average rainfall in March: 2.64"

The wettest months (with the highest rainfall) are October and December (3.31").
The driest month (with the least rainfall) is September (2.09").

Average rainfall days in March
Grantville, CT

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

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is February (7.1 days).

Average snowfall in March
Grantville, CT

Average snowfall in March - Grantville, CT
  • Average snowfall in March: 5.79"

The month with the highest snowfall is February (6.38").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in March
Grantville, CT

Average snowfall days in March - Grantville, CT
  • Average snowfall days in March: 8.8 days

The month with the highest number of snowfall days is February (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in March / Average sunshine in March - Grantville, 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: 5h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

Average sunshine days in March
Grantville, CT

Average sunshine days in March - Grantville, CT
  • Average sunshine days in March: 13.3 days

The month with the most sunshine days is January (16.8 days).
The month with the least sunshine days is June (11.4 days).

Average UV index in March
Grantville, CT

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

The month with the highest UV index is June (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
Grantville, CT

Average cloud cover in March - Grantville, CT
  • Average cloud cover in March: 53

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in March
Grantville, CT

Average visibility in March - Grantville, CT
  • Average visibility in March: 5mi

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

Grantville, Connecticut, USA

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