Contents
- Weather in February
- Frequently asked questions
- Average temperature in February
- Average pressure in February
- Average wind speed in February
- Average humidity in February
- Average rainfall in February
- Average rainfall days in February
- Average snowfall in February
- Average snowfall days in February
- Average sea temperature in February
- Average daylight in February
- Average sunshine in February
- Average sunshine days in February
- Average UV index in February
- Average cloud cover in February
- Average visibility in February
Weather in February
Temperature
Portsmouth's shift into February is marked by a subtle change to an icy 34.2°F (1.2°C) from January's 31.8°F (-0.1°C) in temperature. In Portsmouth, an average temperature of 22.3°F (-5.4°C) is noted during February nights.Humidity
In February, the average relative humidity is 79%.Rainfall
In February, the rain falls for 7.8 days. Throughout February, 2.09" (53mm) of precipitation is accumulated. Throughout the year, there are 144.2 rainfall days, and 27.48" (698mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Portsmouth. In February, it is snowing for 8 days. Throughout February, 3.94" (100mm) of snow is accumulated. In Portsmouth, during the entire year, snow falls for 35.2 days and aggregates up to 16.97" (431mm) of snow.Ocean temperature
In February, the average ocean temperature is 38.8°F (3.8°C).Note: When swimming, this state is excessively cold, posing a lethal risk. Absent the protection of insulated waterproof wear, hypothermia is likely to occur immediately.
Daylight
In February, the average length of the day is 10h and 33min.On the first day of the month, sunrise is at 6:58 am and sunset at 4:54 pm. On the last day of February, sunrise is at 6:19 am and sunset at 5:31 pm EST.
Sunshine
February and December, with an average of 4.8h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index 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: The daily high UV index of 2 in February translates into this advice:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Stay sun-safe with clothing that is both closely woven and worn loosely. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is February in Portsmouth?
What is the average humidity in February?
How much does it rain in February?
How many days does it snow in February?
How cold is the water in February?
How many hours of daylight does Portsmouth have in February?
What time are sunrise and sunset in February?
What are the months with the least sunshine?
How many hours of sunshine does Portsmouth have in February?
When is the lowest UV index?
What is the UV index intensity in February?
Average temperature in February
Portsmouth, NH
- Average high temperature in February: 34.2°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 February: 22.3°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 February
Portsmouth, NH
- Average pressure in February: 29.98"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 February
Portsmouth, NH
- Average wind speed in February: 11.2mph
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 February
Portsmouth, NH
- Average humidity in February: 79%
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 February
Portsmouth, NH
- Average rainfall in February: 2.09"
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 February
Portsmouth, NH
- Average rainfall days in February: 7.8 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 February
Portsmouth, NH
- Average snowfall in February: 3.94"
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 February
Portsmouth, NH
- Average snowfall days in February: 8 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 February
Portsmouth, NH
- Average sea temperature in February: 38.8°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 February /
Average sunshine in February
Portsmouth, NH
- Average daylight in February: 10h 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 February: 4h and 5min
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 February
Portsmouth, NH
- Average sunshine days in February: 14.1 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 February
Portsmouth, NH
- Average UV index in February: 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 February
Portsmouth, NH
- Average cloud cover in February: 48
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 February
Portsmouth, NH
- Average visibility in February: 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
Weather forecast for your location
2. Allow the app to use your location