March weather forecast
Dennis, MA

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Weather in March

March, the first month of the spring in Dennis, is also a wintry month, with an average temperature fluctuating between 41.5°F (5.3°C) and 35.2°F (1.8°C).

Temperature

The onset of March marks an average high-temperature of a still icy 41.5°F (5.3°C), hardly differing from February's 38.8°F (3.8°C). Dennis navigates through March with a barely noticeable decrease in temperature at night, stabilizing at a still cold 35.2°F (1.8°C).

Humidity

In March, the average relative humidity in Dennis is 75%.

Rainfall

In Dennis, during March, the rain falls for 9.7 days and regularly aggregates up to 1.02" (26mm) of precipitation. Throughout the year, in Dennis, Massachusetts, there are 129.6 rainfall days, and 13.94" (354mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in March in Dennis, Massachusetts, is 11h and 58min.
On the first day of March, sunrise is at 6:14 am and sunset at 5:31 pm EST. On the last day of the month, sunrise is at 6:23 am and sunset at 7:05 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 in Dennis is 6h.

UV index

The months with the lowest UV index in Dennis 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 exposure to the Sun's UV radiation for the ordinary person.
Note: A daily high UV index of 2 in March leads to these guidelines:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

How cold does it get in Dennis in March?

The high-temperature in Dennis during March is 41.5°F (5.3°C) and the low-temperature is 35.2°F (1.8°C).

What is the average humidity in March in Dennis?

The average relative humidity in March in Dennis is 75%.

How many days does it rain in March in Dennis?

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

How much does it snow in Dennis in March?

In Dennis, in March, during 3.9 snowfall days, 0.39" (10mm) of snow is typically accumulated.

How many hours of daylight does Dennis have in March?

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

When are sunrise and sunset in March in Dennis?

In March, on the first day of the month, sunrise is at 6:14 am and sunset at 5:31 pm EST. On the last day of the month, sunrise is at 6:23 am and sunset at 7:05 pm EDT.

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

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

The average sunshine duration in March in Dennis, Massachusetts, is 6h.

What are the months with the lowest UV index in Dennis?

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 Dennis?

In Dennis, the average daily maximum UV index in March is 2. A UV Index of 2, and less, symbolizes a low health threat 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
Dennis, MA

Average temperature in March - Dennis, 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
Dennis, MA

Average pressure in March - Dennis, 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
Dennis, MA

Average wind speed in March - Dennis, 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
Dennis, MA

Average humidity in March - Dennis, 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
Dennis, MA

Average rainfall in March - Dennis, 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
Dennis, MA

Average rainfall days in March - Dennis, 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
Dennis, MA

Average snowfall in March - Dennis, 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
Dennis, MA

Average snowfall days in March - Dennis, 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 daylight in March /
Average sunshine in March
Dennis, MA

Average daylight in March / Average sunshine in March - Dennis, 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
Dennis, MA

Average sunshine days in March - Dennis, 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
Dennis, MA

Average UV index in March - Dennis, 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
Dennis, MA

Average cloud cover in March - Dennis, 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
Dennis, MA

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

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