World Resorts Netherlands Rotterdam Weather

Rotterdam Sea Temperature in December

Average sea water temperature in December:
+46.7°F
Minimum sea water temperature in December: 51.1°F
Maximum sea water temperature in December: 43.5°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 46.9°F. The highest and lowest sea temperatures during the month were 48.9°F and 43.5°F.

Monthly sea water temperature in Rotterdam, °F

Which Netherlands resorts have warmest sea in December?

Place name December 2025 December 2024
Aruba 82.1°F 83.3°F
Hague 46.9°F 46.7°F
Rotterdam 46.9°F 46.7°F
Breda 45.7°F 45.2°F
Amsterdam 43.5°F 43.8°F
Utrecht 43.5°F 43.9°F
Groningen 42.2°F 42.5°F

Best time for vacation in Rotterdam

Sunniest months:
June 12 days
August 12 days
April 11 days
Warmest months:
August 71.5 °F
July 70.9 °F
June 68.3 °F
Warmest sea temp:
August 67.1 °F
July 65.3 °F
September 64.8 °F
Coldest months:
January 43.0 °F
February 44.4 °F
December 45.8 °F
Rainiest months:
August 4 days
December 4 days
October 4 days
Windiest months:
December 12.8 mph
February 12.5 mph
January 12.2 mph

Rotterdam on a weather map

Current weather
15:29
Rotterdam
+45°F
NW 2 mph
Feels like: +45°F
Precip.: 0%
Places in Netherlands:
Name
°F
Amsterdam
+45°F
Aruba
+79°F
Breda
+45°F
Hague
+45°F
Groningen
+43°F
Maastricht
+46°F
Rotterdam
+45°F
Utrecht
+45°F
Eindhoven
+43°F
24 Hours Forecast
Rotterdam
Local time: 15:29
January 14, wednesday
1800
43°F
NW
5 mph
2100
43°F
NW
6 mph
January 15, thursday
0000
45°F
N
9 mph
0300
43°F
N
9 mph
0600
46°F
N
12 mph
0900
46°F
NE
12 mph
1200
46°F
N
9 mph
1500
48°F
N
12 mph
Units of measurement: °C / °F