World Resorts USA Rockland Weather

Rockland weather in December

Weather in Rockland: December

Average day temperature: 36.8°F
Average night temperature: 33.2°F
Sea water temperature: 44.8°F
Number of sunny days: 10 days
Day length: 8.9 - 9.1 hours
Number of rainy days: 3 days
Precipitation totals: 1.4 in.

Air temperature in December, °F

Show year:
2024
2023
2022
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 December of 2024 was 49°F. At the same time the lowest night temperature was 14°F. Day and night temperature averages during December were 35.0°F and 31.6°F.

Sea water temperature in Rockland in December, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
36
39
42
45
48
51
54

The average sea water temperature in December of 2024 was 43.8°F. The highest and lowest sea temperatures during the month were 47.5°F and 40.5°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
33%
23%
43%

Mostly all days in December are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in December, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.2
0.5
0.7
1.0
1.2
1.5
1.7
1.0
1.2
1.1
1.4
1.1
1.4
1.2
1.2
1.4
1.0
1.2
1.1
1.4
1.1
1.4
1.2
1.2

Precipitation total value in Rockland in December is 1.4 in. Other months of the year show relatively similar values.

Wind speed in December, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
2.0
4.0
6.0
8.1
10.1
12.1
14.1
11.3
8.8
7.9
6.7
6.9
7.6
8.7
10.3
11.4
11.7
11.5
11.8
11.3
8.8
7.9
6.7
6.9
7.6
8.7
10.3
11.4
11.7
11.5

The average wind speed value in December is 11.8 mph It makes December most windy month of the year.

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.3
2.7
4.0
5.4
6.7
8.1
9.4
5.8
5.8
7.1
7.2
7.7
7.1
7.9
6.0
5.6
5.1
4.4
4.4
5.8
5.8
7.1
7.2
7.7
7.1
7.9
6.0
5.6
5.1
4.4

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 December is: 4.4.

Best time for vacation in Rockland

Sunniest months:
September 13 days
November 13 days
October 11 days
Warmest months:
July 70.7 °F
August 70.4 °F
September 65.3 °F
Warmest sea temp:
August 63.2 °F
July 60.8 °F
September 60.2 °F
Coldest months:
January 30.4 °F
February 30.5 °F
December 36.8 °F
Rainiest months:
April 4 days
October 3 days
July 3 days
Windiest months:
December 11.8 mph
February 11.7 mph
January 11.5 mph

Rockland on a weather map

Leaflet | Tiles © Esri
Places in USA:
Name
°F
+52°F
+48°F
+73°F
+73°F
+54°F
+52°F
+72°F
+50°F
+61°F
+55°F
+46°F
+63°F
+63°F
+54°F
+28°F
24 Hours Forecast
Rockland
Local time: 02:44
March 06, thursday
0300
46°F
N
17 mph
0600
46°F
N
16 mph
0900
45°F
N
13 mph
1200
45°F
N
8 mph
1500
43°F
N
7 mph
1800
41°F
NW
4 mph
2100
39°F
NE
2 mph
March 07, friday
0000
39°F
S
9 mph
Units of measurement: °C / °F