March weather forecast
Stonington, CT

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The classy and nice riverside homes by the Mystic River in Stonington, Connecticut
The classy and nice riverside homes by the Mystic River in Stonington, Connecticut

Weather in March

March marks a noticeable change in the weather of Stonington, displaying the initial hints of spring. Temperatures rise, paralleling an increase in rainfall, while the snowfall begins to cease. This period receives 2.95" (75mm) of average rainfall, the city's third wettest month. Commerce starts to pick up due to these milder conditions, making it an active month for locals and tourists alike. Spring festivities draw attention as warmer days become more frequent.

Temperature

The transition from February to March in Stonington, Connecticut, sees average high-temperatures adjusting to a chilly 43.3°F (6.3°C), from a not significantly different 38.1°F (3.4°C). During March, Stonington records a consistent average nighttime temperature of 33.4°F (0.8°C).

Humidity

The months with the lowest humidity are January, March, April and November, with an average relative humidity of 74%.

Rainfall

In Stonington, in March, during 12.6 rainfall days, 2.95" (75mm) of precipitation is typically accumulated. In Stonington, during the entire year, the rain falls for 166.1 days and collects up to 34.09" (866mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. The month with the most snowfall is March, when snow falls for 5.3 days and typically aggregates up to 2.44" (62mm) of snow.

Daylight

In March, the average length of the day is 11h and 58min.
On the first day of the month, sunrise is at 6:20 am and sunset at 5:38 pm EST. On the last day of March, in Stonington, sunrise is at 6:31 am and sunset at 7:12 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 6.2h.

UV index

January through March and December, with an average maximum UV index of 2, are months with the lowest UV index in Stonington, Connecticut. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: A maximum UV index of 2 in March translates into the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
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Frequently asked questions

Is March cold in Stonington?

The average high-temperature, in March, in Stonington, is 43.3°F (6.3°C), while the average low-temperature is 33.4°F (0.8°C).

What is the least humid month in Stonington?

The months with the lowest humidity in Stonington are January, March, April and November, with an average relative humidity of 74%.

What is the average humidity in March in Stonington?

The average relative humidity in March in Stonington is 74%.

How many days does it rain in March in Stonington?

In March, in Stonington, the rain falls for 12.6 days. Throughout March, 2.95" (75mm) of precipitation is accumulated.

When does it snow the most in Stonington?

The month with the most snowfall is March, when snow falls for 5.3 days and typically aggregates up to 2.44" (62mm) of snow.

How much does it snow in Stonington in March?

In Stonington, in March, snow falls for 5.3 days, with typically accumulated 2.44" (62mm) of snow.

How many hours of daylight does Stonington have in March?

In Stonington, Connecticut, the average day length in March is 11h and 58min.

When are sunrise and sunset in March in Stonington?

On the first day of March in Stonington, sunrise is at 6:20 am and sunset at 5:38 pm EST. On the last day of the month, sunrise is at 6:31 am and sunset at 7:12 pm EDT.

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

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Stonington, 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 Stonington?

In Stonington, the average sunshine duration in March is 6.2h.

When is the lowest UV index in Stonington?

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

How high is the UV index in March in Stonington?

In Stonington, the average daily maximum UV index in March is 2. A UV Index of 2, and less, symbolizes a low health risk 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
Stonington, CT

Average temperature in March - Stonington, CT
  • Average high temperature in March: 43.3°F

The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (36.5°F).

  • Average low temperature in March: 33.4°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).

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Average pressure in March
Stonington, CT

Average pressure in March - Stonington, CT
  • Average pressure in March: 30.03"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).

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Average wind speed in March
Stonington, CT

Average wind speed in March - Stonington, CT
  • Average wind speed in March: 12.1mph

The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).

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Average humidity in March
Stonington, CT

Average humidity in March - Stonington, CT
  • Average humidity in March: 74%

The month with the highest relative humidity is June (81%).
The months with the lowest relative humidity are January, March, April and November (74%).

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Average rainfall in March
Stonington, CT

Average rainfall in March - Stonington, CT
  • Average rainfall in March: 2.95"

The wettest month (with the highest rainfall) is December (3.86").
The driest month (with the least rainfall) is September (1.73").

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Average rainfall days in March
Stonington, CT

Average rainfall days in March - Stonington, CT
  • Average rainfall days in March: 12.6 days

The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is February (10.1 days).

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Average snowfall in March
Stonington, CT

Average snowfall in March - Stonington, CT
  • Average snowfall in March: 2.44"

The month with the highest snowfall is March (2.44").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in March
Stonington, CT

Average snowfall days in March - Stonington, CT
  • Average snowfall days in March: 5.3 days

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in March / Average sunshine in March - Stonington, 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 August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

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Average sunshine days in March
Stonington, CT

Average sunshine days in March - Stonington, CT
  • Average sunshine days in March: 12.4 days

The month with the most sunshine days is November (16.5 days).
The months with the least sunshine days are June and July (11.7 days).

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Average UV index in March
Stonington, CT

Average UV index in March - Stonington, 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 and December (UV index 2).

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Average cloud cover in March
Stonington, CT

Average cloud cover in March - Stonington, CT
  • Average cloud cover in March: 47

The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in March
Stonington, CT

Average visibility in March - Stonington, 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).

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Stonington, Connecticut, USA

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