Weather in Portsmouth in Winter
| December | January | February | ||||
| Average day temperature: | 38.7°F | 33.2°F | 34.2°F | |||
| Average night temperature: | 32.5°F | 26.7°F | 26.3°F | |||
| Sea water temperature: | 45.8°F | 41.7°F | 39.1°F | |||
| Number of sunny days: | 11 days | 10 days | 9 days | |||
| Day length: | 9.0 - 9.2 h. | 9.1 - 9.9 h. | 10.0 - 11.2 h. | |||
| Number of rainy days: | 3 days | 2 days | 1 day | |||
| Precipitation totals: | 1.5 in. | 1.2 in. | 0.9 in. | |||
current
weather
weather
| Portsmouth |
monthly
weather
weather
| Portsmouth |
sea water
temperature
temperature
| Portsmouth |
14 days
forecast
forecast
| Portsmouth |
Day & Night air temperature, °F
December
January
February
0
6
12
18
24
30
36
42
48
34.2
33.2
38.7
26.3
26.7
32.5
| Day temperature | Night temperature |
Sea water temperature, °F
December
January
February
0
7
14
21
28
35
42
49
56
39.1
41.7
45.8
Precipitation total, in.
December
January
February
0.0
0.3
0.5
0.8
1.0
1.3
1.5
1.8
0.9
1.2
1.5
Sunny, partly cloudy and cloudy days
December
January
February
0
5
10
15
20
25
30
35
11
13
11
9
9
9
9
10
11
| Cloudy days | Partly cloudy days | Sunny days |
weather in
winter
winter
| Portsmouth |
weather in
spring
spring
| Portsmouth |
weather in
summer
summer
| Portsmouth |
weather in
autumn
autumn
| Portsmouth |
Wind speed, mph
December
January
February
0.0
1.7
3.3
5.0
6.6
8.3
9.9
11.6
9.6
9.7
9.3
Average sunny hours
December
January
February
0
7
5.3
4.7
4.6
Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.
Best time for vacation in Portsmouth
Portsmouth on a weather map
Leaflet | Tiles © Esri
Places in USA:
Name
°F
24 Hours Forecast
Portsmouth
Local time: 08:27
April 14, monday
0900
46°F
SE
6 mph
6 mph
1200
59°F
SE
6 mph
6 mph
1500
66°F
E
4 mph
4 mph
1800
63°F
E
4 mph
4 mph
2100
54°F
E
4 mph
4 mph
April 15, tuesday
0000
48°F
NE
2 mph
2 mph
0300
43°F
W
1 mph
1 mph
0600
41°F
W
1 mph
1 mph
