February weather forecast
Norwalk, CT

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The tourist attraction spot of a stone house home to the Sheffield Island lighthouse in Norwalk, Connecticut
The tourist attraction spot of a stone house home to the Sheffield Island lighthouse in Norwalk, Connecticut

Weather in February

Compared to January, February is a slightly warmer but anticipated cold winter month. Norwalk sustains moderately high relative humidity at 76%, contributing to the overall chill in the air. Temperatures rise marginally from January, with highs reaching up to 38.1°F (3.4°C) and lows at 27.3°F (-2.6°C). The snowfall persists in February, reminding Norwalk residents of the ongoing winter season. Outdoor activities remain influenced by winter weather conditions, with special attention to wind speed and visibility.

Temperature

With the arrival of February, Norwalk's average high-temperature registers at a still cold 38.1°F (3.4°C), indicating a subtle variation from the previous month. Norwalk, in February, experiences an average temperature of 27.3°F (-2.6°C) at night.

Humidity

The months with the highest humidity in Norwalk, Connecticut, are February, May and June, with an average relative humidity of 76%.

Rainfall

January and February are months with the least rain when the rain falls for 9.9 days and typically aggregates up to 2.36" (60mm) of rain.

Snowfall

Months with snowfall in Norwalk are January through April, November and December. February is the month with the most snowfall. Snow falls for 7.4 days and accumulates 2.83" (72mm) of snow.

Ocean temperature

With an average ocean temperature of 39°F (3.9°C), February is the month with the coldest seawater.
Note: In the case of swimming, the extreme coldness, danger, and life-threatening nature of this situation are apparent. Without insulated waterproof wear, hypothermia sets in rapidly.

Daylight

In February, the average length of the day is 10h and 40min.
On the first day of the month, sunrise is at 7:04 am and sunset at 5:09 pm. On the last day of February, in Norwalk, sunrise is at 6:28 am and sunset at 5:43 pm EST.

Sunshine

February has the least sunshine of the year in Norwalk, with an average of 4.7h of sunshine.

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 exposure to the Sun's UV radiation for the ordinary person.
Note: In February, a daily maximum UV index of 2 leads to the following instructions:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Norwalk in February?

February temperatures in Norwalk vary between a high-temperature of 38.1°F (3.4°C) and a low-temperature of 27.3°F (-2.6°C).

What are the most humid months in Norwalk?

February, May and June, with an average relative humidity of 76%, are most humid months in Norwalk.

What is the average humidity in February in Norwalk?

The average relative humidity in February in Norwalk is 76%.

What is the driest month in Norwalk?

January and February are months with the least rain in Norwalk, Connecticut, when the rain falls for 9.9 days and typically aggregates up to 2.36" (60mm) of rain.

How much does it rain in Norwalk in February?

In Norwalk, Connecticut, in February, during 9.9 rainfall days, 2.36" (60mm) of precipitation is typically accumulated.

When does it snow the most in Norwalk?

The month with the most snowfall is February, when snow falls for 7.4 days and typically aggregates up to 2.83" (72mm) of snow.

How much does it snow in Norwalk in February?

In Norwalk, Connecticut, in February, during 7.4 snowfall days, 2.83" (72mm) of snow is typically accumulated.

When is the ocean coldest in Norwalk?

The month with the coldest seawater is February, with an average ocean temperature of 39°F (3.9°C).

How cold is the water in February in Norwalk?

In Norwalk, Connecticut, in February, the average water temperature is 39°F (3.9°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 Norwalk have in February?

In Norwalk, Connecticut, the average day length in February is 10h and 40min.

When is the sunrise / sunset in February in Norwalk?

In February, on the first day of the month, sunrise is at 7:04 am and sunset at 5:09 pm. On the last day of the month, in Norwalk, sunrise is at 6:28 am and sunset at 5:43 pm EST.

What is the month with the least sunshine in Norwalk?

February has the least sunshine of the year in Norwalk, with an average of 4.7h of sunshine.

How long on average sun shines in February in Norwalk?

The average sunshine duration in February is 4.7h.

When is the lowest UV index in Norwalk?

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

What is the UV index reading in February in Norwalk?

In Norwalk, the average daily maximum UV index in February is 2. A UV Index reading of 2, and below, represents a minimal hazard to health 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 February
Norwalk, CT

Average temperature in February - Norwalk, CT
  • Average high temperature in February: 38.1°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (35.8°F).

  • Average low temperature in February: 27.3°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).

Average pressure in February
Norwalk, CT

Average pressure in February - Norwalk, CT
  • Average pressure in February: 30.02"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 February
Norwalk, CT

Average wind speed in February - Norwalk, CT
  • Average wind speed in February: 9.8mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).

Average humidity in February
Norwalk, CT

Average humidity in February - Norwalk, CT
  • Average humidity in February: 76%

The months with the highest relative humidity are February, May and June (76%).
The months with the lowest relative humidity are April and November (72%).

Average rainfall in February
Norwalk, CT

Average rainfall in February - Norwalk, CT
  • Average rainfall in February: 2.36"

The wettest month (with the highest rainfall) is July (4.13").
The driest months (with the least rainfall) are January and February (2.36").

Average rainfall days in February
Norwalk, CT

Average rainfall days in February - Norwalk, CT
  • Average rainfall days in February: 9.9 days

The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is January (8.3 days).

Average snowfall in February
Norwalk, CT

Average snowfall in February - Norwalk, CT
  • Average snowfall in February: 2.83"

The month with the highest snowfall is February (2.83").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in February
Norwalk, CT

Average snowfall days in February - Norwalk, CT
  • Average snowfall days in February: 7.4 days

The month with the highest number of snowfall days is February (7.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature in February
Norwalk, CT

Average sea temperature in February - Norwalk, CT
  • Average sea temperature in February: 39°F

The best month for swimming (with the highest average sea temperature) is August (73°F).
The coldest month (with the lowest average sea temperature) is February (39°F).

Average daylight in February /
Average sunshine in February
Norwalk, CT

Average daylight in February / Average sunshine in February - Norwalk, CT
  • Average daylight in February: 10h and 4min

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 February: 4h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in February
Norwalk, CT

Average sunshine days in February - Norwalk, CT
  • Average sunshine days in February: 13.6 days

The month with the most sunshine days is January (17.8 days).
The month with the least sunshine days is June (10 days).

Average UV index in February
Norwalk, CT

Average UV index in February - Norwalk, 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).

Average cloud cover in February
Norwalk, CT

Average cloud cover in February - Norwalk, CT
  • Average cloud cover in February: 48

The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in February
Norwalk, CT

Average visibility in February - Norwalk, 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).

Norwalk, Connecticut, USA

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