March weather forecast
Old Saybrook, CT

Weather in March

March, the first month of the spring in Old Saybrook, is a frosty month, with temperature in the range of an average low of 32.5°F (0.3°C) and an average high of 43.7°F (6.5°C).

Temperature

In Old Saybrook, the average high-temperature in March marginally rises from a wintry 37.9°F (3.3°C) in February to a frosty 43.7°F (6.5°C). In March, in Old Saybrook, the average low-temperature is 32.5°F (0.3°C).

Humidity

The average relative humidity in March is 74%.

Rainfall

In Old Saybrook, during 13.3 rainfall days, 2.8" (71mm) of precipitation is typically accumulated. Throughout the year, in Old Saybrook, there are 166.2 rainfall days, and 34.8" (884mm) of precipitation is accumulated.

Snowfall

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

Ocean temperature

In Old Saybrook, the average seawater temperature in March is 39.7°F (4.3°C).
Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

Daylight

In March, the average length of the day is 11h and 58min.
On the first day of March in Old Saybrook, sunrise is at 6:23 am and sunset at 5:40 pm EST. On the last day of the month, sunrise is at 6:33 am and sunset at 7:13 pm EDT.
Note: On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time lasts until Sunday, November 6. 2022, at 2:00 am; consequently, the time zone reverts from EDT to EST.

Sunshine

In Old Saybrook, Connecticut, the average sunshine in March is 6.3h.

UV index

The months with the lowest UV index in Old Saybrook are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 2 in March transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in March in Old Saybrook?

In Old Saybrook, Connecticut, the average relative humidity in March is 74%.

How many days does it rain in March in Old Saybrook?

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

What is the snowiest month in Old Saybrook?

The month with the most snowfall is March, when snow falls for 4.7 days and typically aggregates up to 2.76" (70mm) of snow.

How much does it snow in Old Saybrook in March?

In Old Saybrook, in March, during 4.7 snowfall days, 2.76" (70mm) of snow is typically accumulated.

What is the water temperature in March in Old Saybrook?

In Old Saybrook, Connecticut, in March, the average water temperature is 39.7°F (4.3°C). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

How many hours of daylight does Old Saybrook have in March?

In Old Saybrook, the average day length in March is 11h and 58min.

When is the sunrise / sunset in March in Old Saybrook?

In March, on the first day of the month, sunrise is at 6:23 am and sunset at 5:40 pm EST. On the last day of the month, in Old Saybrook, sunrise is at 6:33 am and sunset at 7:13 pm EDT.

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

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. DST ends Sunday, November 6. 2022, at 2:00 am.

How long on average sun shines in March in Old Saybrook?

In March, the average sunshine duration in Old Saybrook is 6.3h.

What is the month with the lowest UV index in Old Saybrook?

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 Old Saybrook?

In March, the average daily maximum UV index in Old Saybrook, Connecticut, is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Old Saybrook, CT

Average temperature in March - Old Saybrook, 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).

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Average pressure in March
Old Saybrook, CT

Average pressure in March - Old Saybrook, 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).

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Average wind speed in March
Old Saybrook, CT

Average wind speed in March - Old Saybrook, 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).

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Average humidity in March
Old Saybrook, CT

Average humidity in March - Old Saybrook, 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%).

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Average rainfall in March
Old Saybrook, CT

Average rainfall in March - Old Saybrook, 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").

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Average rainfall days in March
Old Saybrook, CT

Average rainfall days in March - Old Saybrook, 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).

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Average snowfall in March
Old Saybrook, CT

Average snowfall in March - Old Saybrook, 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").

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Average snowfall days in March
Old Saybrook, CT

Average snowfall days in March - Old Saybrook, 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).

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Average sea temperature in March
Old Saybrook, CT

Average sea temperature in March - Old Saybrook, CT
  • Average sea temperature in March: 39.8°F

The best month for swimming (with the highest average sea temperature) is August (72.1°F).
The coldest month (with the lowest average sea temperature) is February (38.8°F).

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Average daylight in March /
Average sunshine in March
Old Saybrook, CT

Average daylight in March / Average sunshine in March - Old Saybrook, CT
  • Average daylight in March: 11h and 58min

The month with the longest days is June (Average daylight: 15h and 7min).
The month with the shortest days is December (Average daylight: 9h and 15min).

  • Average sunshine in March: 6h and 18min

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).

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Average sunshine days in March
Old Saybrook, CT

Average sunshine days in March - Old Saybrook, 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).

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Average UV index in March
Old Saybrook, CT

Average UV index in March - Old Saybrook, 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).

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Average cloud cover in March
Old Saybrook, CT

Average cloud cover in March - Old Saybrook, 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).

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Average visibility in March
Old Saybrook, CT

Average visibility in March - Old Saybrook, 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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