March weather forecast
Charlestown, MA

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Weather in March

March, the first month of the spring in Charlestown, is a frosty month, with an average temperature ranging between max 43.3°F (6.3°C) and min 30.6°F (-0.8°C).

Temperature

With the transition into March, Charlestown experiences a subtle uplift in average high-temperatures, adjusting from an icy 36.5°F (2.5°C) in February to a frosty 43.3°F (6.3°C). During March, the average low-temperature is a subzero cold 30.6°F (-0.8°C).

Humidity

In March, the average relative humidity in Charlestown is 74%.

Rainfall

In March, the rain falls for 4.8 days. Throughout March, 0.35" (9mm) of precipitation is accumulated. In Charlestown, during the entire year, the rain falls for 47.8 days and collects up to 4.13" (105mm) of precipitation.

Snowfall

Months with snowfall in Charlestown are January through May, November and December. In Charlestown, during March, snow falls for 2.7 days and regularly aggregates up to 0.59" (15mm) of snow. In Charlestown, Massachusetts, during the entire year, snow falls for 13.2 days and aggregates up to 2.17" (55mm) of snow.

Daylight

In March, the average length of the day in Charlestown is 11h and 58min.
On the first day of March, sunrise is at 6:18 am and sunset at 5:34 pm EST. On the last day of the month, sunrise is at 6:26 am and sunset at 7:09 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 March, the average sunshine is 5.8h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Charlestown. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: In March, the UV index of 2 transforms into the following advice:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Stay sun-safe with clothing that is both closely woven and worn loosely. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
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Frequently asked questions

Is March cold in Charlestown?

In Charlestown, in March, the average high-temperature is 43.3°F (6.3°C), and the average low-temperature is 30.6°F (-0.8°C).

What is the average humidity in March in Charlestown?

The average relative humidity in March is 74%.

How much does it rain in Charlestown in March?

In March, in Charlestown, Massachusetts, the rain falls for 4.8 days. Throughout March, 0.35" (9mm) of precipitation is accumulated.

How many days does it snow in March in Charlestown?

In Charlestown, Massachusetts, during March, snow falls for 2.7 days and regularly aggregates up to 0.59" (15mm) of snow.

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

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

When is the sunrise / sunset in March in Charlestown?

On the first day of March in Charlestown, Massachusetts, sunrise is at 6:18 am and sunset at 5:34 pm EST. On the last day of the month, sunrise is at 6:26 am and sunset at 7:09 pm EDT.

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

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

In March, the average sunshine duration in Charlestown is 5.8h.

When is the lowest UV index in Charlestown?

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

What is the UV index reading in March in Charlestown?

The average daily maximum UV index in March in Charlestown is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unsafe 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
Charlestown, MA

Average temperature in March - Charlestown, MA
  • Average high temperature in March: 43.3°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (33.8°F).

  • Average low temperature in March: 30.6°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

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Average pressure in March
Charlestown, MA

Average pressure in March - Charlestown, MA
  • Average pressure in March: 30.03"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).

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Average wind speed in March
Charlestown, MA

Average wind speed in March - Charlestown, MA
  • Average wind speed in March: 9.1mph

The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity in March
Charlestown, MA

Average humidity in March - Charlestown, MA
  • Average humidity in March: 74%

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (69%).

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Average rainfall in March
Charlestown, MA

Average rainfall in March - Charlestown, MA
  • Average rainfall in March: 0.35"

The wettest month (with the highest rainfall) is November (0.55").
The driest month (with the least rainfall) is September (0.12").

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Average rainfall days in March
Charlestown, MA

Average rainfall days in March - Charlestown, MA
  • Average rainfall days in March: 4.8 days

The month with the highest number of rainy days is April (5.9 days).
The months with the least rainy days are January and September (2.9 days).

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Average snowfall in March
Charlestown, MA

Average snowfall in March - Charlestown, MA
  • Average snowfall in March: 0.59"

The month with the highest snowfall is December (0.71").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in March
Charlestown, MA

Average snowfall days in March - Charlestown, MA
  • Average snowfall days in March: 2.7 days

The month with the highest number of snowfall days is January (3.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in March / Average sunshine in March - Charlestown, 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 6min).

  • Average sunshine in March: 5h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in March
Charlestown, MA

Average sunshine days in March - Charlestown, MA
  • Average sunshine days in March: 25 days

The month with the most sunshine days is December (25.5 days).
The month with the least sunshine days is July (22.8 days).

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Average UV index in March
Charlestown, MA

Average UV index in March - Charlestown, MA
  • 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).

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Average cloud cover in March
Charlestown, MA

Average cloud cover in March - Charlestown, MA
  • Average cloud cover in March: 50

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in March
Charlestown, MA

Average visibility in March - Charlestown, 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).

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Charlestown, Massachusetts, USA

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