March weather forecast
Barnstable, MA

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Weather in March

March witnesses a warming trend, with temperatures rising modestly. It's a welcome transition period between wintry chills and the blooming spring. March sees further decline in snowfall, signifying the end of the white winters of Barnstable, Massachusetts. Clearer skies and increased daylight hint at the evolving climate, inviting a sense of anticipation among residents. The breeze persists, though less harsh than previous months.

Temperature

The shift into March in Barnstable records an average high-temperature of a still wintry 41.5°F (5.3°C), subtly varied from February's 38.8°F (3.8°C). The nights of March in Barnstable, Massachusetts, are characterized by an average low-temperature of 35.2°F (1.8°C), subtly descending from daytime highs.

Humidity

The average relative humidity in March is 75%.

Rainfall

In Barnstable, in March, it is raining for 9.7 days, with typically 1.02" (26mm) of accumulated precipitation. In Barnstable, during the entire year, the rain falls for 129.6 days and collects up to 13.94" (354mm) of precipitation.

Snowfall

Months with snowfall in Barnstable are January through April and December. In Barnstable, during March, snow falls for 3.9 days and regularly aggregates up to 0.39" (10mm) of snow. In Barnstable, during the entire year, snow falls for 21.6 days and aggregates up to 2.17" (55mm) of snow.

Ocean temperature

With an average ocean temperature of 39°F (3.9°C), March is the month with the coldest seawater.
Note: In the activity of swimming, this is perceived as lethal and exceedingly dangerous. The cold water elicits sharp pain and instant hyperventilation. A specialized swimsuit is crucial to mitigate thermal detriment.

Daylight

In Barnstable, the average length of the day in March is 11h and 58min.
On the first day of the month, sunrise is at 6:14 am and sunset at 5:32 pm EST. On the last day of March, sunrise is at 6:24 am and sunset at 7:05 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 6h.

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 low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In March, a daily UV index of 2 turns into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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Frequently asked questions

How cold is it in Barnstable in March?

During March, Barnstable experiences an average high-temperature of 41.5°F (5.3°C) and a low-temperature of 35.2°F (1.8°C).

What is the average humidity in March in Barnstable?

The average relative humidity in March is 75%.

How many days does it rain in March in Barnstable?

In March, the rain falls for 9.7 days. Throughout March, 1.02" (26mm) of precipitation is accumulated.

How many days does it snow in March in Barnstable?

In March, it is snowing for 3.9 days. Throughout March, 0.39" (10mm) of snow is accumulated.

When is the ocean coldest in Barnstable?

March is the month with the coldest seawater in Barnstable, with an average ocean temperature of 39°F (3.9°C).

How cold is the water in March in Barnstable?

In March, the average ocean temperature is 39°F (3.9°C). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

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

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

What time are sunrise and sunset in March in Barnstable?

On the first day of March in Barnstable, Massachusetts, sunrise is at 6:14 am and sunset at 5:32 pm EST. On the last day of the month, sunrise is at 6:24 am and sunset at 7:05 pm EDT.

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

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

In Barnstable, the average sunshine duration in March is 6h.

When is the lowest UV index in Barnstable?

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

What is the UV index reading in March in Barnstable?

The average daily maximum UV index in March in Barnstable is 2. A UV Index of 2, and less, symbolizes 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
Barnstable, MA

Average temperature in March - Barnstable, MA
  • Average high temperature in March: 41.5°F

The warmest month (with the highest average high temperature) is August (72.5°F).
The month with the lowest average high temperature is January (38.3°F).

  • Average low temperature in March: 35.2°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 (30.4°F).

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Average pressure in March
Barnstable, MA

Average pressure in March - Barnstable, 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).

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Average wind speed in March
Barnstable, MA

Average wind speed in March - Barnstable, MA
  • Average wind speed in March: 16mph

The windiest month (with the highest average wind speed) is January (16.4mph).
The calmest month (with the lowest average wind speed) is August (10.4mph).

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Average humidity in March
Barnstable, MA

Average humidity in March - Barnstable, MA
  • Average humidity in March: 75%

The months with the highest relative humidity are May, June and July (83%).
The month with the lowest relative humidity is November (74%).

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Average rainfall in March
Barnstable, MA

Average rainfall in March - Barnstable, MA
  • Average rainfall in March: 1.02"

The wettest month (with the highest rainfall) is October (1.89").
The driest month (with the least rainfall) is August (0.94").

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Average rainfall days in March
Barnstable, MA

Average rainfall days in March - Barnstable, MA
  • Average rainfall days in March: 9.7 days

The month with the highest number of rainy days is May (13.2 days).
The month with the least rainy days is February (8.1 days).

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Average snowfall in March
Barnstable, MA

Average snowfall in March - Barnstable, MA
  • Average snowfall in March: 0.39"

The months with the highest snowfall are January and February (0.63").
The months with the least snowfall are May, June, July, August, September, October and November (0").

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Average snowfall days in March
Barnstable, MA

Average snowfall days in March - Barnstable, MA
  • Average snowfall days in March: 3.9 days

The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average sea temperature in March
Barnstable, MA

Average sea temperature in March - Barnstable, MA
  • Average sea temperature in March: 39°F

The best month for swimming (with the highest average sea temperature) is August (67.5°F).
The coldest month (with the lowest average sea temperature) is March (39°F).

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

Average daylight in March / Average sunshine in March - Barnstable, 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: 6h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).

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Average sunshine days in March
Barnstable, MA

Average sunshine days in March - Barnstable, MA
  • Average sunshine days in March: 16 days

The month with the most sunshine days is September (18.5 days).
The month with the least sunshine days is February (14.8 days).

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Average UV index in March
Barnstable, MA

Average UV index in March - Barnstable, 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).

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Average cloud cover in March
Barnstable, MA

Average cloud cover in March - Barnstable, MA
  • Average cloud cover in March: 49

The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in March
Barnstable, MA

Average visibility in March - Barnstable, 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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Barnstable, Massachusetts, USA

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