March weather forecast
Williamstown, MA

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Weather in March

The first month of the spring, March, is an icy month in Williamstown, Massachusetts, with an average temperature fluctuating between 23.5°F (-4.7°C) and 38.8°F (3.8°C).

Temperature

The shift from February to March sees an increase in the average high-temperature, transitioning from a freezing cold 29.8°F (-1.2°C) to a cold 38.8°F (3.8°C). In Williamstown, an average low-temperature of 23.5°F (-4.7°C) is recorded during March nights.

Humidity

The average relative humidity in March is 83%.

Rainfall

The month with the least rainfall is March, when the rain falls for 14.1 days and typically collects 2.6" (66mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Williamstown. In Williamstown, in March, snow falls for 12.6 days, with typically accumulated 7.13" (181mm) of snow. Throughout the year, there are 66.1 snowfall days, and 39.09" (993mm) of snow is accumulated.

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 5:42 pm EST. On the last day of March, sunrise is at 6:35 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 5.1h.

UV index

In March, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The average daily UV index of 2 in March transforms into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Enhance your sun protection with tightly woven, yet airy clothing. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.

Frequently asked questions

How cold does it get in March?

During March, Williamstown experiences an average high-temperature of 38.8°F (3.8°C) and a low-temperature of 23.5°F (-4.7°C).

What is the average humidity in March?

In March, the average relative humidity is 83%.

What is the driest month?

March is the month with the least rainfall. Rain falls for 14.1 days and accumulates 2.6" (66mm) of precipitation.

How much does it rain in March?

In Williamstown, in March, it is raining for 14.1 days, with typically 2.6" (66mm) of accumulated precipitation.

How many days does it snow in March?

In March, in Williamstown, it is snowing for 12.6 days. Throughout March, 7.13" (181mm) of snow is accumulated.

What is the average length of the day in March in Williamstown?

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

When is the sunrise / sunset in March?

On the first day of March in Williamstown, sunrise is at 6:27 am and sunset at 5:42 pm EST. On the last day of the month, sunrise is at 6:35 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, 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?

In Williamstown, the average sunshine duration in March is 5.1h.

What is the UV index intensity in March?

In Williamstown, Massachusetts, the average daily maximum UV index in March is 2. A UV Index reading 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
Williamstown, MA

Average temperature in March - Williamstown, MA
  • Average high temperature in March: 38.8°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 (27°F).

  • Average low temperature in March: 23.5°F

The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).

Average pressure in March
Williamstown, MA

Average pressure in March - Williamstown, MA
  • Average pressure in March: 30.05"Hg

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in March
Williamstown, MA

Average wind speed in March - Williamstown, MA
  • Average wind speed in March: 8.5mph

The windiest months (with the highest average wind speed) are January and February (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in March
Williamstown, MA

Average humidity in March - Williamstown, MA
  • Average humidity in March: 83%

The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is April (77%).

Average rainfall in March
Williamstown, MA

Average rainfall in March - Williamstown, MA
  • Average rainfall in March: 2.6"

The wettest month (with the highest rainfall) is October (3.62").
The driest month (with the least rainfall) is March (2.6").

Average rainfall days in March
Williamstown, MA

Average rainfall days in March - Williamstown, MA
  • Average rainfall days in March: 14.1 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (7.8 days).

Average snowfall in March
Williamstown, MA

Average snowfall in March - Williamstown, MA
  • Average snowfall in March: 7.13"

The month with the highest snowfall is February (10").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in March
Williamstown, MA

Average snowfall days in March - Williamstown, MA
  • Average snowfall days in March: 12.6 days

The month with the highest number of snowfall days is February (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in March /
Average sunshine in March
Williamstown, MA

Average daylight in March / Average sunshine in March - Williamstown, MA
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in March: 5h and 1min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).

Average sunshine days in March
Williamstown, MA

Average sunshine days in March - Williamstown, MA
  • Average sunshine days in March: 9.7 days

The month with the most sunshine days is September (14.3 days).
The month with the least sunshine days is February (9 days).

Average UV index in March
Williamstown, MA

Average UV index in March - Williamstown, MA
  • Average UV index in March: 2

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are February and December (UV index 1).

Average cloud cover in March
Williamstown, MA

Average cloud cover in March - Williamstown, MA
  • Average cloud cover in March: 59

The month with the most cloud cover is February (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 38).

Average visibility in March
Williamstown, MA

Average visibility in March - Williamstown, MA
  • Average visibility in March: 5mi

The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).

Williamstown, Massachusetts, USA

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