World Resorts USA Plymouth Weather

Plymouth weather in January

Weather in Plymouth: January

Average day temperature: 36.3°F
Average night temperature: 31.1°F
Sea water temperature: 40.7°F
Number of sunny days: 9 days
Day length: 9.2 - 10.0 hours
Number of rainy days: 3 days
Precipitation totals: 1.3 in.

Air temperature in January, °F

Show year:
2025
2024
2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
8
16
24
32
40
48
56
64
Day temperature   
Night temperature

The highest day temperature during January of 2025 was 48°F. At the same time the lowest night temperature was 15°F. Day and night temperature averages during January were 33.9°F and 26.5°F.

Sea water temperature in Plymouth in January, °F

Show year:
2025
2024
2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
32
35
38
41
44
47
50

The average sea water temperature in January of 2025 was 38.6°F. The highest and lowest sea temperatures during the month were 41.9°F and 36.7°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
29%
32%
39%

Number of sunny, partly cloudy and cloudy days in January is almost equal.

Precipitation total in January, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.2
0.5
0.7
0.9
1.2
1.4
1.6
1.4
1.3
1.1
1.1
1.2
1.0
1.3
1.4
1.2
1.4
1.3
1.1
1.1
1.2
1.0
1.3
1.4
1.2
1.3

Precipitation total value in Plymouth in January is 1.3 in. Other months of the year show relatively similar values.

Wind speed in January, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.9
3.8
5.7
7.6
9.5
11.4
13.3
10.4
10.2
8.7
8.6
7.6
7.8
8.3
9.4
10.1
11.1
10.5
10.4
10.2
8.7
8.6
7.6
7.8
8.3
9.4
10.1
11.1
10.5
10.7

The average wind speed value in January is 10.7 mph It makes January one of the most windy months of the year.

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.4
2.9
4.3
5.7
7.2
8.6
10.0
4.7
6.4
6.0
7.0
8.1
8.3
8.4
8.3
6.3
6.0
5.1
4.7
6.4
6.0
7.0
8.1
8.3
8.4
8.3
6.3
6.0
5.1
4.6

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in January is: 4.6.

Best time for vacation in Plymouth

Sunniest months:
November 15 days
September 13 days
August 12 days
Warmest months:
July 78.5 °F
August 77.2 °F
June 72.4 °F
Warmest sea temp:
August 67.9 °F
July 67.6 °F
September 65.4 °F
Coldest months:
January 36.3 °F
February 37.7 °F
December 41.5 °F
Rainiest months:
April 4 days
March 3 days
January 3 days
Windiest months:
March 11.1 mph
January 10.7 mph
February 10.5 mph

Plymouth on a weather map

Leaflet | Tiles © Esri
Places in USA:
Name
°F
+16°F
+21°F
+73°F
+73°F
+45°F
+52°F
+72°F
+18°F
+57°F
+54°F
+48°F
+63°F
+63°F
+28°F
+9°F
24 Hours Forecast
Plymouth
Local time: 07:17
February 20, thursday
0900
21°F
SE
6 mph
1200
23°F
S
6 mph
1500
25°F
S
9 mph
1800
27°F
S
11 mph
2100
27°F
SE
9 mph
February 21, friday
0000
25°F
SE
10 mph
0300
25°F
SE
12 mph
0600
23°F
SE
13 mph
Units of measurement: °C / °F