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Dennis Port weather in December

Weather in Dennis Port: December

Average day temperature: 42.5°F
Average night temperature: 39.8°F
Sea water temperature: 44.3°F
Number of sunny days: 10 days
Day length: 9.1 - 9.4 hours
Number of rainy days: 2 days
Precipitation totals: 1.2 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
9
18
27
36
45
54
63
72
Day temperature   
Night temperature

The highest day temperature during December of 2024 was 53°F. At the same time the lowest night temperature was 21°F. Daily and nightly averages during December were 40.5°F and 37.5°F.

Sea water temperature in Dennis Port in December, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
36
39
42
45
48
51
54

The average sea water temperature in December of 2024 was 43.3°F. The highest and lowest sea temperatures during the month were 47.3°F and 39.7°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
31%
22%
47%

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
0.9
1.1
1.4
1.6
1.8
1.3
1.1
1.0
1.1
1.0
1.3
1.2
1.3
1.1
1.0
1.1
1.0
1.3

Precipitation total value in Dennis Port in December is 1.2 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
2.4
4.8
7.2
9.6
12.0
14.4
16.8
13.2
11.3
11.0
9.8
10.0
10.5
11.6
12.5
13.9
13.6
14.0
13.6
13.2
11.3
11.0
9.8
10.0
10.5
11.6
12.5
13.9
13.6
14.0

The average wind speed value in December is 13.6 mph It makes December 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
1.6
3.1
4.7
6.2
7.8
9.4
10.9
6.2
6.0
7.3
8.5
8.6
9.1
8.3
6.6
5.7
4.8
4.4
4.3
6.2
6.0
7.3
8.5
8.6
9.1
8.3
6.6
5.7
4.8
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: 4.3.

Best time for vacation in Dennis Port

Sunniest months:
November 14 days
June 14 days
September 13 days
Warmest months:
July 75.8 °F
August 74.9 °F
September 69.2 °F
Warmest sea temp:
August 73.2 °F
July 72.3 °F
September 69.1 °F
Coldest months:
January 36.7 °F
February 37.0 °F
December 42.5 °F
Rainiest months:
January 3 days
April 3 days
October 3 days
Windiest months:
January 14.0 mph
March 13.9 mph
February 13.6 mph

Dennis Port on a weather map

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Places in USA:
Name
°F
+43°F
+46°F
+75°F
+75°F
+90°F
+77°F
+79°F
+45°F
+84°F
+70°F
+59°F
+81°F
+84°F
+86°F
+48°F
24 Hours Forecast
Dennis Port
Local time: 14:36
April 11, friday
1500
46°F
SW
15 mph
1800
43°F
W
15 mph
2100
41°F
W
12 mph
April 12, saturday
0000
39°F
SW
13 mph
0300
39°F
W
17 mph
0600
37°F
W
24 mph
0900
36°F
W
29 mph
1200
37°F
W
23 mph
Units of measurement: °C / °F