Contents
- Weather in March
- Frequently asked questions
- Average temperature in March
- Average pressure in March
- Average wind speed in March
- Average humidity in March
- Average rainfall in March
- Average rainfall days in March
- Average snowfall in March
- Average snowfall days in March
- Average sea temperature in March
- Average daylight in March
- Average sunshine in March
- Average sunshine days in March
- Average UV index in March
- Average cloud cover in March
- Average visibility in March
Weather in March
Temperature
The transition from February to March sees an average high-temperature of a still cold 41°F (5°C), indicating a minor variance from the prior month. A minimal decline in temperature from daytime highs is anticipated in Harwich Port throughout the March nights, averaging a still cold 35.4°F (1.9°C).Humidity
The average relative humidity in March is 76%.Rainfall
In March, the rain falls for 10.8 days. Throughout March, 1.85" (47mm) of precipitation is accumulated. Throughout the year, in Harwich Port, there are 142.4 rainfall days, and 22.09" (561mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In March, in Harwich Port, it is snowing for 3.7 days. Throughout March, 0.91" (23mm) of snow is accumulated. In Harwich Port, during the entire year, snow falls for 20.8 days and aggregates up to 4.37" (111mm) of snow.Ocean temperature
The month with the coldest seawater is March, with an average ocean temperature of 39°F (3.9°C).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
The average length of the day in March is 11h and 58min.On the first day of the month, sunrise is at 6:13 am and sunset at 5:31 pm EST. On the last day of March, 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
In March, the average sunshine is 5.8h.UV index
The months with the lowest UV index in Harwich Port are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: An average UV index of 2 in March transforms into this advice:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is March?
What is the average humidity in March?
How much does it rain in March?
How much does it snow in March?
What is the month with the coldest ocean?
What is the ocean temperature in March?
What is the average length of the day in March?
When are sunrise and sunset in March?
When does Daylight Saving Time (DST) start in March?
How long on average sun shines in March?
What is the month with the lowest UV index?
What is the UV index reading in March?
Average temperature in March
Harwich Port, 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
Harwich Port, 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
Harwich Port, 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
Harwich Port, 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
Harwich Port, 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
Harwich Port, 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
Harwich Port, 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
Harwich Port, 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 sea temperature in March
Harwich Port, 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
Harwich Port, 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
Harwich Port, 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
Harwich Port, 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
Harwich Port, 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
Harwich Port, 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).
Harwich Port, Massachusetts, USA
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