20.12
sat
sat
Day
45°F
NW 7 mph
Precip.
0%
0%
Night
46°F
NW 7 mph
Precip.
0%
0%
21.12
sun
sun
Day
50°F
W 7 mph
Precip.
0%
0%
Night
43°F
W 7 mph
Precip.
0%
0%
22.12
mon
mon
Day
43°F
W 6 mph
Precip.
0%
0%
Night
39°F
W 4 mph
Precip.
0%
0%
23.12
tue
tue
Day
41°F
SW 7 mph
Precip.
0%
0%
Night
39°F
SW 13 mph
Precip.
0%
0%
24.12
wed
wed
Day
36°F
W 16 mph
Precip.
0%
0%
Night
32°F
SW 13 mph
Precip.
0%
0%
25.12
thu
thu
Day
34°F
SW 13 mph
Precip.
0%
0%
Night
30°F
SW 9 mph
Precip.
0%
0%
26.12
fri
fri
Day
34°F
SW 11 mph
Precip.
0%
0%
Night
30°F
SW 8 mph
Precip.
0%
0%
27.12
sat
sat
Day
36°F
SW 2 mph
Precip.
0%
0%
Night
34°F
W 4 mph
Precip.
0%
0%
28.12
sun
sun
Day
36°F
SW 11 mph
Precip.
0%
0%
Night
30°F
SW 3 mph
Precip.
0%
0%
29.12
mon
mon
Day
36°F
N 5 mph
Precip.
100%
100%
Night
37°F
NE 5 mph
Precip.
65%
65%
30.12
tue
tue
Day
43°F
S 12 mph
Precip.
63%
63%
Night
36°F
SW 9 mph
Precip.
0%
0%
31.12
wed
wed
Day
41°F
SE 8 mph
Precip.
100%
100%
Night
43°F
SE 11 mph
Precip.
100%
100%
01.01
thu
thu
Day
41°F
SW 9 mph
Precip.
21%
21%
Night
34°F
N 4 mph
Precip.
0%
0%
02.01
fri
fri
Day
41°F
NE 6 mph
Precip.
100%
100%
Night
43°F
SE 6 mph
Precip.
22%
22%
sea water
temperature
temperature
| Rotterdam |
monthly
weather
weather
| Rotterdam |
current
weather
weather
| Rotterdam |
7 days
forecast
forecast
| Rotterdam |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 47.6°F. The highest and lowest sea temperatures during the month were 48.9°F and 46.8°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 42.6°F. The highest and lowest sea temperatures during the month were 45.5°F and 40.8°F.
Air temperature in Rotterdam, °F
Precipitation total in Rotterdam, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Rotterdam
Rotterdam on a weather map
Places in Netherlands:
Name
°F
24 Hours Forecast
Rotterdam
Local time: 11:45
December 20, saturday
1200
45°F
NW
7 mph
7 mph
1500
45°F
W
7 mph
7 mph
1800
45°F
W
9 mph
9 mph
2100
46°F
NW
7 mph
7 mph
December 21, sunday
0000
46°F
NW
7 mph
7 mph
0300
48°F
NW
7 mph
7 mph
0600
48°F
NW
6 mph
6 mph
0900
48°F
W
6 mph
6 mph
