March weather forecast
Harwich Port, MA

Share

Weather in March

The first month of the spring, March, is also a wintry month in Harwich Port, Massachusetts, with an average temperature fluctuating between 41°F (5°C) and 35.4°F (1.9°C).

Temperature

The average high-temperature during March is a still wintry 41°F (5°C), almost matching the conditions of the preceding month. March's average low temperature is a still cold 35.4°F (1.9°C), displaying a subtle drop from its daily peak.

Humidity

In Harwich Port, the average relative humidity in March is 76%.

Rainfall

In Harwich Port, in March, it is raining for 10.8 days, with typically 1.85" (47mm) of accumulated precipitation. Throughout the year, in Harwich Port, there are 142.4 rainfall days, and 22.09" (561mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In Harwich Port, during March, snow falls for 3.7 days and regularly aggregates up to 0.91" (23mm) of snow. Throughout the year, there are 20.8 snowfall days, and 4.37" (111mm) of snow is accumulated.

Ocean temperature

With an average ocean temperature of 39°F (3.9°C), March is the month with the coldest seawater in Harwich Port.
Note: While swimming, this scenario is perilously cold, dangerous, and potentially fatal. Hypothermia is almost imminent without proper insulated waterproof attire.

Daylight

In March, the average length of the day in Harwich Port 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 Harwich Port, the average sunshine in March 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 Harwich Port. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In March, a daily maximum UV index of 2 leads to the following instructions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
[Resources]

Frequently asked questions

How cold does it get in Harwich Port in March?

Harwich Port in March has an average high-temperature of 41°F (5°C) and an average low-temperature of 35.4°F (1.9°C).

What is the average humidity in March in Harwich Port?

In Harwich Port, the average relative humidity in March is 76%.

How much does it rain in Harwich Port in March?

In Harwich Port, Massachusetts, in March, it is raining for 10.8 days, with typically 1.85" (47mm) of accumulated precipitation.

How many days does it snow in March in Harwich Port?

In Harwich Port, during March, snow falls for 3.7 days and regularly aggregates up to 0.91" (23mm) of snow.

When is the ocean coldest in Harwich Port?

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

What is the water temperature in March in Harwich Port?

In Harwich Port, in March, the average water 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 Harwich Port?

The average day length in March in Harwich Port is 11h and 58min.

When is the sunrise / sunset in March in Harwich Port?

In March, 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 the month, in Harwich Port, sunrise is at 6:23 am and sunset at 7:04 pm EDT.

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

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

The average sunshine duration in March in Harwich Port is 5.8h.

When is the lowest UV index in Harwich Port?

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.

What is the UV index reading in March in Harwich Port?

The average daily maximum UV index in March is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to Sun's UV rays.
Average high temperature
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
Harwich Port, MA

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).

[Resources]

Average pressure in March
Harwich Port, MA

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).

[Resources]

Average wind speed in March
Harwich Port, MA

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).

[Resources]

Average humidity in March
Harwich Port, MA

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%).

[Resources]

Average rainfall in March
Harwich Port, MA

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").

[Resources]

Average rainfall days in March
Harwich Port, MA

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).

[Resources]

Average snowfall in March
Harwich Port, MA

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").

[Resources]

Average snowfall days in March
Harwich Port, MA

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).

[Resources]

Average sea temperature in March
Harwich Port, MA

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).

[Resources]

Average daylight in March /
Average sunshine in March
Harwich Port, MA

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).

[Resources]

Average sunshine days in March
Harwich Port, MA

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).

[Resources]

Average UV index in March
Harwich Port, MA

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).

[Resources]

Average cloud cover in March
Harwich Port, MA

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).

[Resources]

Average visibility in March
Harwich Port, MA

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).

[Resources]

Harwich Port, Massachusetts, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location