March weather forecast
Stamford, CT

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A wide aerial scenic cover shot over downtown Stamford, Connecticut, with two rivers and weighty rain clouds in the sky above
A wide aerial scenic cover shot over downtown Stamford, Connecticut, with two rivers and weighty rain clouds in the sky above

Weather in March

Transition to springtime in Stamford begins with March. With temperatures moving up to 44.6°F (7°C), a decrease in snowfall days becomes evident. The skies relax a bit as rainfall numbers start to rise. Moving into April, residents can anticipate a significant improvement in overall weather conditions. This steady transition, although somewhat rainy, ushers in a much-needed reprieve from the harshness of the preceding winter months.

Temperature

Stamford's March weather indicates a minor ascent in high-temperatures, adjusting from a wintry 38.3°F (3.5°C) in February to a frosty 44.6°F (7°C). During March, Stamford observes a consistent average nighttime temperature of 34.2°F (1.2°C).

Humidity

The average relative humidity in March in Stamford is 73%.

Rainfall

In Stamford, in March, it is raining for 12.3 days, with typically 2.8" (71mm) of accumulated precipitation. In Stamford, during the entire year, the rain falls for 164.1 days and collects up to 37.95" (964mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. The months with the most snowfall are February and March, with an average 2.44" (62mm) of accumulated snow.

Ocean temperature

In March, the average ocean temperature is 39.7°F (4.3°C).
Note: In the context of swimming, this situation is viewed as life-threatening and poses serious risks. The sensation of cold is painfully acute, leading to rapid hyperventilation. Using a specialized swimsuit is imperative to decrease thermal injury.

Daylight

In March, the average length of the day is 11h and 58min.
On the first day of the month, sunrise is at 6:27 am and sunset at 5:45 pm EST. On the last day of March, sunrise is at 6:37 am and sunset at 7:18 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 6.1h.

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 of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index of 2 during March translates into these guidelines:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is March?

The high-temperature, in March, in Stamford, records 44.6°F (7°C), while the low-temperature is 34.2°F (1.2°C).

What is the average humidity in March?

In March, the average relative humidity is 73%.

How much does it rain in March?

In Stamford, in March, during 12.3 rainfall days, 2.8" (71mm) of precipitation is typically accumulated.

When does it snow the most?

The months with the most snowfall are February and March, with an average 2.44" (62mm) of accumulated snow.

How much does it snow in March?

In March, it is snowing for 4.7 days. Throughout March, 2.44" (62mm) of snow is accumulated.

How cold is the water in March?

In March, the average ocean 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 Stamford have in March?

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

When is the sunrise / sunset in March?

In March, on the first day of the month, sunrise is at 6:27 am and sunset at 5:45 pm EST. On the last day of the month, sunrise is at 6:37 am and sunset at 7:18 pm EDT.

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

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

The average sunshine duration in March is 6.1h.

When is the lowest UV index?

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 reading in March?

In March, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from exposure to Sun's UV rays.
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
Stamford, CT

Average temperature in March - Stamford, CT
  • Average high temperature in March: 44.6°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in March: 34.2°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).

Average pressure in March
Stamford, CT

Average pressure in March - Stamford, CT
  • Average pressure in March: 30.05"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in March
Stamford, CT

Average wind speed in March - Stamford, CT
  • Average wind speed in March: 9.9mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

Average humidity in March
Stamford, CT

Average humidity in March - Stamford, CT
  • Average humidity in March: 73%

The months with the highest relative humidity are February, May, June and December (75%).
The months with the lowest relative humidity are April, August and November (72%).

Average rainfall in March
Stamford, CT

Average rainfall in March - Stamford, CT
  • Average rainfall in March: 2.8"

The wettest month (with the highest rainfall) is July (4.25").
The driest months (with the least rainfall) are January and February (2.36").

Average rainfall days in March
Stamford, CT

Average rainfall days in March - Stamford, CT
  • Average rainfall days in March: 12.3 days

The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (8.3 days).

Average snowfall in March
Stamford, CT

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

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

Average snowfall days in March
Stamford, CT

Average snowfall days in March - Stamford, CT
  • Average snowfall days in March: 4.7 days

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

Average sea temperature in March
Stamford, CT

Average sea temperature in March - Stamford, CT
  • Average sea temperature in March: 39.7°F

The best month for swimming (with the highest average sea temperature) is August (73.1°F).
The coldest month (with the lowest average sea temperature) is February (39.5°F).

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

Average daylight in March / Average sunshine in March - Stamford, 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 July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in March
Stamford, CT

Average sunshine days in March - Stamford, CT
  • Average sunshine days in March: 14.4 days

The month with the most sunshine days is January (17.8 days).
The month with the least sunshine days is June (10.7 days).

Average UV index in March
Stamford, CT

Average UV index in March - Stamford, 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).

Average cloud cover in March
Stamford, CT

Average cloud cover in March - Stamford, CT
  • Average cloud cover in March: 48

The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in March
Stamford, CT

Average visibility in March - Stamford, 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).

Stamford, Connecticut, USA

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