Contents
- Weather in November
- Frequently asked questions
- Average temperature in November
- Average pressure in November
- Average wind speed in November
- Average humidity in November
- Average rainfall in November
- Average rainfall days in November
- Average snowfall in November
- Average snowfall days in November
- Average sea temperature in November
- Average daylight in November
- Average sunshine in November
- Average sunshine days in November
- Average UV index in November
- Average cloud cover in November
- Average visibility in November
Weather in November
Temperature
Portsmouth's weather changes with the onset of November, slightly falling from a refreshing 57.9°F (14.4°C) in October to a chilly 47.1°F (8.4°C). Nighttime temperatures hover around an average low of 36.1°F (2.3°C) in November.Humidity
The months with the lowest humidity in Portsmouth are April and November, with an average relative humidity of 75%.Rainfall
In Portsmouth, New Hampshire, in November, during 10.5 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. In Portsmouth, during the entire year, the rain falls for 144.2 days and collects up to 27.48" (698mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In November, it is snowing for 2.4 days. Throughout November, 0.91" (23mm) of snow is accumulated. Throughout the year, in Portsmouth, New Hampshire, there are 35.2 snowfall days, and 16.97" (431mm) of snow is accumulated.Ocean temperature
In Portsmouth, in November, the average water temperature is 49.8°F (9.9°C).Note: Swimming at temperatures less than 50°F (10°C) in 49.8°F (9.9°C) is feasible with the right swimsuit; if not, expect cold shock and breathlessness. A quick swim at 55.4°F (13°C) without adequate warmth can be discomforting.
Daylight
In Portsmouth, the average length of the day in November is 9h and 44min.On the first day of November in Portsmouth, sunrise is at 7:18 am and sunset at 5:34 pm EDT. On the last day of the month, sunrise is at 6:54 am and sunset at 4:09 pm EST.
Note: On Sunday, November 3. 2024, at 2:00 am, Daylight Saving Time ends, and the time zone changes from EDT to EST. Daylight Saving Time starts again on Sunday, March 9. 2025, at 2:00 am; consequently, the time zone reverts from EST to EDT.
Sunshine
The average sunshine in November in Portsmouth, New Hampshire, is 5.5h.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 low health risk from unprotected exposure to Sun's UV rays for the average person.Note: In November, the maximum UV index of 2 transforms into these recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. To avoid the Sun's strongest rays, limit exposure around the mid-day period. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
What are November temperatures in Portsmouth?
What are the least humid months in Portsmouth?
What is the average humidity in November in Portsmouth?
How many days does it rain in November in Portsmouth?
How much does it snow in Portsmouth in November?
How cold is the water in November in Portsmouth?
How many hours of daylight does Portsmouth have in November?
What time are sunrise and sunset in November in Portsmouth?
When does Daylight Saving Time (DST) end in November in Portsmouth?
How many hours of sunshine does Portsmouth have in November?
What is the month with the lowest UV index in Portsmouth?
What is the UV index reading in November in Portsmouth?
Average temperature in November
Portsmouth, NH
- Average high temperature in November: 47.1°F
The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in November: 36.1°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in November
Portsmouth, NH
- Average pressure in November: 30.06"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in November
Portsmouth, NH
- Average wind speed in November: 9.9mph
The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in November
Portsmouth, NH
- Average humidity in November: 75%
The month with the highest relative humidity is June (80%).
The months with the lowest relative humidity are April and November (75%).
Average rainfall in November
Portsmouth, NH
- Average rainfall in November: 2.48"
The wettest month (with the highest rainfall) is October (2.83").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in November
Portsmouth, NH
- Average rainfall days in November: 10.5 days
The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in November
Portsmouth, NH
- Average snowfall in November: 0.91"
The month with the highest snowfall is January (4.02").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in November
Portsmouth, NH
- Average snowfall days in November: 2.4 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in November
Portsmouth, NH
- Average sea temperature in November: 49.8°F
The best month for swimming (with the highest average sea temperature) is August (65.6°F).
The coldest month (with the lowest average sea temperature) is March (38.5°F).
Average daylight in November /
Average sunshine in November
Portsmouth, NH
- Average daylight in November: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in November: 5h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in November
Portsmouth, NH
- Average sunshine days in November: 16.5 days
The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is April (13.2 days).
Average UV index in November
Portsmouth, NH
- Average UV index in November: 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 November
Portsmouth, NH
- Average cloud cover in November: 40
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in November
Portsmouth, NH
- Average visibility in November: 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, New Hampshire, USA
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