March weather forecast
Portland, CT

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Weather in March

March, the first month of the spring in Portland, is a chilly month, with an average temperature ranging between max 44.8°F (7.1°C) and min 30.4°F (-0.9°C).

Temperature

March witnesses a minor rise in the average high-temperature, transitioning from a wintry 37°F (2.8°C) in February to a chilly 44.8°F (7.1°C). During the nights in March, Portland observes an average low-temperature of 30.4°F (-0.9°C).

Humidity

The average relative humidity in March is 74%.

Rainfall

In March, the rain falls for 12.7 days. Throughout March, 2.83" (72mm) of precipitation is accumulated. In Portland, during the entire year, the rain falls for 162.2 days and collects up to 34.13" (867mm) of precipitation.

Snowfall

Months with snowfall are January through May, November and December. The month with the most snowfall is March, when snow falls for 6.2 days and typically aggregates up to 4.13" (105mm) of snow.

Daylight

In March, the average length of the day is 11h and 58min.
On the first day of March, sunrise is at 6:23 am and sunset at 5:41 pm EST. On the last day of the month, sunrise is at 6:33 am and sunset at 7:15 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

In Portland, the average sunshine in March is 6.1h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Portland. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In March, the maximum UV index of 2 translates into these guidelines:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. When the Sun is at its strongest around midday, find shade and limit exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in March?

In Portland, 44.8°F (7.1°C) is the average high-temperature and 30.4°F (-0.9°C) is the average low-temperature during March.

What is the average humidity in March?

In March, the average relative humidity is 74%.

How many days does it rain in March?

In Portland, in March, during 12.7 rainfall days, 2.83" (72mm) of precipitation is typically accumulated.

When does it snow the most?

March is the month with the most snowfall. Snow falls for 6.2 days and accumulates 4.13" (105mm) of snow.

How many days does it snow in March?

In March, it is snowing for 6.2 days. Throughout March, 4.13" (105mm) of snow is accumulated.

What is the average length of the day in March?

The average day length in March is 11h and 58min.

What time are sunrise and sunset in March?

On the first day of March, sunrise is at 6:23 am and sunset at 5:41 pm EST. On the last day of the month, sunrise is at 6:33 am and sunset at 7:15 pm EDT.

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

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. DST ends Sunday, November 3. 2024, at 2:00 am.

How many hours of sunshine does Portland have in March?

In March, the average sunshine duration is 6.1h.

When is the lowest UV index?

The months with the lowest UV index in Portland 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 estimate of 2, and below, represents a low health risk 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
Portland, CT

Average temperature in March - Portland, CT
  • Average high temperature in March: 44.8°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (34°F).

  • Average low temperature in March: 30.4°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

Average pressure in March
Portland, CT

Average pressure in March - Portland, CT
  • Average pressure in March: 30.04"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 March
Portland, CT

Average wind speed in March - Portland, CT
  • Average wind speed in March: 8.3mph

The windiest months (with the highest average wind speed) are January and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in March
Portland, CT

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

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).

Average rainfall in March
Portland, CT

Average rainfall in March - Portland, CT
  • Average rainfall in March: 2.83"

The wettest month (with the highest rainfall) is December (3.66").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in March
Portland, CT

Average rainfall days in March - Portland, CT
  • Average rainfall days in March: 12.7 days

The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is January (9.1 days).

Average snowfall in March
Portland, CT

Average snowfall in March - Portland, CT
  • Average snowfall in March: 4.13"

The month with the highest snowfall is March (4.13").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in March
Portland, CT

Average snowfall days in March - Portland, CT
  • Average snowfall days in March: 6.2 days

The month with the highest number of snowfall days is February (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in March / Average sunshine in March - Portland, 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 12min).

  • Average sunshine in March: 6h and 1min

The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in March
Portland, CT

Average sunshine days in March - Portland, CT
  • Average sunshine days in March: 13 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (11.3 days).

Average UV index in March
Portland, CT

Average UV index in March - Portland, 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
Portland, CT

Average cloud cover in March - Portland, CT
  • Average cloud cover in March: 49

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in March
Portland, CT

Average visibility in March - Portland, CT
  • Average visibility in March: 6mi

The months with the highest visibility are January, March, April, August, September, October, November and December (6mi).
The months with the lowest visibility are February, May, June and July (5mi).

Portland, Connecticut, USA

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