March weather forecast
Osterville, MA

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Weather in March

The first month of the spring, March, is still a cold month in Osterville, Massachusetts, with an average temperature fluctuating between 41.5°F (5.3°C) and 35.2°F (1.8°C).

Temperature

March denotes a minimal variation in the average high-temperature to a still icy 41.5°F (5.3°C) from February's 38.8°F (3.8°C). The March average low temperature, marginally lower than the daytime high, records at a still cold 35.2°F (1.8°C).

Humidity

In March, the average relative humidity is 75%.

Rainfall

In March, the rain falls for 12.9 days. Throughout March, 3.19" (81mm) of precipitation is accumulated. Throughout the year, there are 157.2 rainfall days, and 31.77" (807mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April and December. The month with the most snowfall is March, when snow falls for 5.2 days and typically aggregates up to 1.93" (49mm) 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 realm of swimming, this state is extremely cold, treacherous, and life-threatening. Without properly insulated waterproof clothing, hypothermia develops almost immediately.

Daylight

In March, the average length of the day 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 7:06 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 Osterville, the average sunshine in March is 5.9h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A maximum UV index of 2 in March translates into the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold does it get in March?

The high-temperature 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 March, the average relative humidity in Osterville is 75%.

How many days does it rain in March?

In Osterville, in March, it is raining for 12.9 days, with typically 3.19" (81mm) of accumulated precipitation.

When does it snow the most?

March is the month with the most snowfall. Snow falls for 5.2 days and accumulates 1.93" (49mm) of snow.

How much does it snow in March?

In Osterville, in March, snow falls for 5.2 days, with typically accumulated 1.93" (49mm) of snow.

What month is the ocean coldest?

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

What is the water temperature in March?

In Osterville, the average seawater temperature in March 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.

How many hours of daylight does Osterville have in March?

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

When are sunrise and sunset in March?

On the first day of March, 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 7:06 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 Osterville, the average sunshine duration in March is 5.9h.

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 Osterville, the average daily maximum UV index in March is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Osterville, MA

Average temperature in March - Osterville, 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).

Average pressure in March
Osterville, MA

Average pressure in March - Osterville, 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
Osterville, MA

Average wind speed in March - Osterville, MA
  • Average wind speed in March: 16.2mph

The windiest month (with the highest average wind speed) is January (16.5mph).
The calmest month (with the lowest average wind speed) is August (10.6mph).

Average humidity in March
Osterville, MA

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

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is November (74%).

Average rainfall in March
Osterville, MA

Average rainfall in March - Osterville, MA
  • Average rainfall in March: 3.19"

The wettest month (with the highest rainfall) is October (3.7").
The driest month (with the least rainfall) is August (1.73").

Average rainfall days in March
Osterville, MA

Average rainfall days in March - Osterville, MA
  • Average rainfall days in March: 12.9 days

The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is February (10.3 days).

Average snowfall in March
Osterville, MA

Average snowfall in March - Osterville, MA
  • Average snowfall in March: 1.93"

The month with the highest snowfall is March (1.93").
The months with the least snowfall are May, June, July, August, September, October and November (0").

Average snowfall days in March
Osterville, MA

Average snowfall days in March - Osterville, MA
  • Average snowfall days in March: 5.2 days

The month with the highest number of snowfall days is February (7.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in March
Osterville, MA

Average sea temperature in March - Osterville, 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).

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

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

The month with the longest days is June (Average daylight: 15h and 6min).
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 48min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).

Average sunshine days in March
Osterville, MA

Average sunshine days in March - Osterville, MA
  • Average sunshine days in March: 12.5 days

The month with the most sunshine days is August (17.7 days).
The month with the least sunshine days is February (11.4 days).

Average UV index in March
Osterville, MA

Average UV index in March - Osterville, 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
Osterville, MA

Average cloud cover in March - Osterville, 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).

Average visibility in March
Osterville, MA

Average visibility in March - Osterville, 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).

Osterville, Massachusetts, USA

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