March weather forecast
South Chatham, MA

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Weather in March

The first month of the spring, March, is also a wintry month in South Chatham, Massachusetts, with temperature in the range of an average low of 35.4°F (1.9°C) and an average high of 41°F (5°C).

Temperature

The onset of March marks an average high-temperature of a still icy 41°F (5°C), hardly differing from February's 39°F (3.9°C). South Chatham's nighttime average temperature in March drops marginally from the daytime highs, settling at a still cold 35.4°F (1.9°C).

Humidity

In March, the average relative humidity is 76%.

Rainfall

In March, in South Chatham, Massachusetts, the rain falls for 10.8 days. Throughout March, 1.85" (47mm) of precipitation is accumulated. In South Chatham, during the entire year, the rain falls for 142.4 days and collects up to 22.09" (561mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In March, it is snowing for 3.7 days. Throughout March, 0.91" (23mm) of snow is accumulated. Throughout the year, there are 20.8 snowfall days, and 4.37" (111mm) of snow is accumulated.

Daylight

In South Chatham, Massachusetts, the average length of the day in March is 11h and 58min.
On the first day of March, sunrise is at 6:13 am and sunset at 5:31 pm EST. On the last day of the month, sunrise is at 6:23 am and sunset at 7:04 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 5.8h.

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 the ordinary person.
Note: In March, the maximum UV index of 2 suggests these recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.

Frequently asked questions

Is it cold during March?

The high-temperature, in March, in South Chatham, is 41°F (5°C), while the low-temperature averages to 35.4°F (1.9°C).

What is the average humidity in March?

In South Chatham, the average relative humidity in March is 76%.

How many days does it rain in March?

In South Chatham, Massachusetts, during March, the rain falls for 10.8 days and regularly aggregates up to 1.85" (47mm) of precipitation.

How much does it snow in March?

In South Chatham, in March, snow falls for 3.7 days, with typically accumulated 0.91" (23mm) of snow.

How many hours of daylight does South Chatham have in March?

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

What time are sunrise and sunset in March?

On the first day of March, sunrise is at 6:13 am and sunset at 5:31 pm EST. On the last day of the month, sunrise is at 6:23 am and sunset at 7:04 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 March, the average sunshine duration is 5.8h.

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 intensity in March?

In South Chatham, the average daily maximum UV index in March is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to Sun's UV rays.
Average high temperature
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
South Chatham, MA

Average temperature in March - South Chatham, MA
  • Average high temperature in March: 41°F

The warmest month (with the highest average high temperature) is August (71.6°F).
The months with the lowest average high temperature are January and February (39°F).

  • Average low temperature in March: 35.4°F

The month with the highest average low temperature is August (68.2°F).
The coldest month (with the lowest average low temperature) is January (31.6°F).

Average pressure in March
South Chatham, MA

Average pressure in March - South Chatham, MA
  • Average pressure in March: 30.02"Hg

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in March
South Chatham, MA

Average wind speed in March - South Chatham, MA
  • Average wind speed in March: 17.6mph

The windiest month (with the highest average wind speed) is January (18mph).
The calmest month (with the lowest average wind speed) is August (11.4mph).

Average humidity in March
South Chatham, MA

Average humidity in March - South Chatham, MA
  • Average humidity in March: 76%

The months with the highest relative humidity are June and July (85%).
The month with the lowest relative humidity is November (74%).

Average rainfall in March
South Chatham, MA

Average rainfall in March - South Chatham, MA
  • Average rainfall in March: 1.85"

The wettest month (with the highest rainfall) is October (2.83").
The driest month (with the least rainfall) is November (1.46").

Average rainfall days in March
South Chatham, MA

Average rainfall days in March - South Chatham, MA
  • Average rainfall days in March: 10.8 days

The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is February (8.3 days).

Average snowfall in March
South Chatham, MA

Average snowfall in March - South Chatham, MA
  • Average snowfall in March: 0.91"

The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in March
South Chatham, MA

Average snowfall days in March - South Chatham, MA
  • Average snowfall days in March: 3.7 days

The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in March /
Average sunshine in March
South Chatham, MA

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

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in March: 5h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).

Average sunshine days in March
South Chatham, MA

Average sunshine days in March - South Chatham, MA
  • Average sunshine days in March: 13.9 days

The month with the most sunshine days is August (17.6 days).
The month with the least sunshine days is January (13 days).

Average UV index in March
South Chatham, MA

Average UV index in March - South Chatham, MA
  • Average UV index in March: 2

The months with the highest UV index are 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
South Chatham, MA

Average cloud cover in March - South Chatham, MA
  • Average cloud cover in March: 51

The month with the most cloud cover is December (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in March
South Chatham, MA

Average visibility in March - South Chatham, MA
  • 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).

South Chatham, Massachusetts, USA

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