February weather forecast
Groton, CT

Weather in February

February, the last month of the winter in Groton, is another cold month, with an average temperature ranging between min 27°F (-2.8°C) and max 37.9°F (3.3°C).

Temperature

In Groton, Connecticut, the average high-temperature in February is relatively the same as in January - a still wintry 37.9°F (3.3°C). In February, in Groton, the average low-temperature is 27°F (-2.8°C).

Humidity

In Groton, the average relative humidity in February is 77%.

Rainfall

In February, in Groton, Connecticut, the rain falls for 9.5 days. Throughout February, 2.48" (63mm) of precipitation is accumulated. Throughout the year, there are 159.8 rainfall days, and 33.07" (840mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in Groton. In Groton, during 6.8 snowfall days, 1.85" (47mm) of snow is typically accumulated. Throughout the year, there are 24 snowfall days, and 7.68" (195mm) of snow is accumulated.

Ocean temperature

With an average ocean temperature of 38.8°F (3.8°C), February is the month with the coldest seawater in Groton.
Note: For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

Daylight

The average length of the day in February in Groton is 10h and 38min.
On the first day of February, sunrise is at 6:59 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 5:37 pm EST.

Sunshine

February and December, with an average of 4.9h of sunshine, are months with the least sunshine in Groton.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The average daily UV index of 2 in February 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 February in Groton?

In February, the average relative humidity in Groton is 77%.

How many days does it rain in February in Groton?

In February, in Groton, Connecticut, the rain falls for 9.5 days. Throughout February, 2.48" (63mm) of precipitation is accumulated.

How much does it snow in Groton in February?

In February, in Groton, Connecticut, it is snowing for 6.8 days. Throughout February, 1.85" (47mm) of snow is accumulated.

What is the month with the coldest ocean in Groton?

February is the month with the coldest seawater, with an average ocean temperature of 38.8°F (3.8°C).

What is the ocean temperature in February in Groton?

In Groton, in February, the average water temperature is 38.8°F (3.8°C). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

What is the average length of the day in February in Groton?

In February, the average day length is 10h and 38min.

When are sunrise and sunset in February in Groton?

On the first day of February, sunrise is at 6:59 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 5:37 pm EST.

What is the month with the least sunshine in Groton?

February and December, with an average of 4.9h of sunshine, are months with the least sunshine in Groton.

How long on average sun shines in February in Groton?

In Groton, the average sunshine duration in February is 4.9h.

When is the lowest UV index in Groton?

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

What is the UV index reading in February in Groton?

In February, the average daily maximum UV index in Groton is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in February
Groton, CT

Average temperature in February - Groton, CT
  • Average high temperature in February: 37.9°F

The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in February: 27°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

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Average pressure in February
Groton, CT

Average pressure in February - Groton, CT
  • Average pressure in February: 30.01"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 February
Groton, CT

Average wind speed in February - Groton, CT
  • Average wind speed in February: 11.5mph

The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.8mph).

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Average humidity in February
Groton, CT

Average humidity in February - Groton, CT
  • Average humidity in February: 77%

The month with the highest relative humidity is June (80%).
The months with the lowest relative humidity are January, March, April and November (74%).

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Average rainfall in February
Groton, CT

Average rainfall in February - Groton, CT
  • Average rainfall in February: 2.48"

The wettest month (with the highest rainfall) is December (3.86").
The driest month (with the least rainfall) is September (1.65").

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Average rainfall days in February
Groton, CT

Average rainfall days in February - Groton, CT
  • Average rainfall days in February: 9.5 days

The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (9.5 days).

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Average snowfall in February
Groton, CT

Average snowfall in February - Groton, CT
  • Average snowfall in February: 1.85"

The month with the highest snowfall is March (2.56").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in February
Groton, CT

Average snowfall days in February - Groton, CT
  • Average snowfall days in February: 6.8 days

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

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Average sea temperature in February
Groton, CT

Average sea temperature in February - Groton, CT
  • Average sea temperature in February: 38.8°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 February /
Average sunshine in February
Groton, CT

Average daylight in February / Average sunshine in February - Groton, CT
  • Average daylight in February: 10h and 38min

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 February: 4h and 54min

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 February
Groton, CT

Average sunshine days in February - Groton, CT
  • Average sunshine days in February: 12.5 days

The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is February (12.5 days).

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Average UV index in February
Groton, CT

Average UV index in February - Groton, CT
  • Average UV index in February: 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 February
Groton, CT

Average cloud cover in February - Groton, CT
  • Average cloud cover in February: 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 29).

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Average visibility in February
Groton, CT

Average visibility in February - Groton, CT
  • Average visibility in February: 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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