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 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
March's arrival coincides with a subtle temperature rise, moving from February's wintry 37.9°F (3.3°C) to a chilly 43.5°F (6.4°C). An average temperature of 33.1°F (0.6°C) marks the nights in March.Humidity
The least humid month is March, with an average relative humidity of 73%.Rainfall
In March, in Portsmouth, the rain falls for 12.1 days. Throughout March, 2.83" (72mm) of precipitation is accumulated. Throughout the year, in Portsmouth, there are 148.1 rainfall days, and 29.65" (753mm) of precipitation is accumulated.Snowfall
Months with snowfall in Portsmouth are January through March, May, November and December. March is the last month it regularly snows in Portsmouth, Rhode Island. During 5.2 snowfall days, in March, Portsmouth aggregates 2.48" (63mm) of snow. Throughout the year, there are 22.9 snowfall days, and 8.78" (223mm) of snow is accumulated.Daylight
In March, the average length of the day is 11h and 58min.On the first day of the month, sunrise is at 6:18 am and sunset at 5:35 pm EST. On the last day of March, sunrise is at 6:28 am and sunset at 7:09 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
January through March and December, with an average maximum UV index of 2, are months with the lowest UV index in Portsmouth. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 2 in March interprets into the following advice:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Frequently asked questions
Is March cold in Portsmouth?
What is the least humid month in Portsmouth?
What is the average humidity in March in Portsmouth?
How much does it rain in Portsmouth in March?
What is the last month it snows in Portsmouth?
What is the average length of the day in March in Portsmouth?
When are sunrise and sunset in March in Portsmouth?
When does Daylight Saving Time (DST) start in March in Portsmouth?
How long on average sun shines in March in Portsmouth?
What is the month with the lowest UV index in Portsmouth?
What is the UV index intensity in March in Portsmouth?
Average temperature in March
Portsmouth, RI
- Average high temperature in March: 43.5°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in March: 33.1°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in March
Portsmouth, RI
- Average pressure in March: 30.03"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in March
Portsmouth, RI
- Average wind speed in March: 11.9mph
The windiest month (with the highest average wind speed) is January (12.1mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).
Average humidity in March
Portsmouth, RI
- Average humidity in March: 73%
The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is March (73%).
Average rainfall in March
Portsmouth, RI
- Average rainfall in March: 2.83"
The wettest month (with the highest rainfall) is October (3.27").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in March
Portsmouth, RI
- Average rainfall days in March: 12.1 days
The month with the highest number of rainy days is April (15.6 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in March
Portsmouth, RI
- Average snowfall in March: 2.48"
The month with the highest snowfall is February (2.76").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in March
Portsmouth, RI
- Average snowfall days in March: 5.2 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).
Average daylight in March /
Average sunshine in March
Portsmouth, RI
- 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: 6h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in March
Portsmouth, RI
- Average sunshine days in March: 14.4 days
The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is April (12.3 days).
Average UV index in March
Portsmouth, RI
- Average UV index in March: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).
Average cloud cover in March
Portsmouth, RI
- Average cloud cover in March: 48
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in March
Portsmouth, RI
- 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).
Portsmouth, Rhode Island, USA
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