Swimming in Rotterdam in december 2026: Average sea temperature in december and tide times in december 2026
Average sea temperature in Rotterdam in december 2026.
In december, according to seasonal norms, the sea temperature in Rotterdam is:
Minimum: 45°F
Average: 50°F
Maximum: 54°F
Other useful seasonal weather averages in december:
- Outside temperature: 44°F to 47°F
- Most common weather: "Cloudy"
- The wind blows at 1.9mph
- It rains a total of 3.5in, over 7 day(s).
Should we swim in Rotterdam in december?
No... The water temperature in Rotterdam in december is freezing
You won't be able to swim in Rotterdam in december! The water temperature is freezing, reaching as low as 45°F (and only 54°F at best)! Our advice: if you are going to Rotterdam this month, plan to sightsee and forget the beach!
Note also that in december, the climate is bad with an average outside temperature of 45°F, 3.5in of precipitation (over 7 days) and 85.76 % humidity.
Water and normal seasonal temperatures in Rotterdam in december
| December | |||
| Average sea temperature | 50°F | ||
| Minimum sea temperature | 45°F | ||
| Maximum sea temperature | 54°F | ||
| Average outside temperature | 47°F | ||
| Maximum outside temperature | 49°F | ||
| Minimum outside temperature | 45°F | ||
| Wind speed | 20.5mph | ||
| Wind temperature | 38°F | ||
| Precipitation | 3.5in | ||
| Number of days of rain | 7 jour(s) (22%) | ||
| Humidity | 86% | ||
| Visibility in kilometers | 8.98km | ||
| Cloud cover | 66% | ||
| Our opinion | freezing swimming |
Chart of the tides in december 2026
Tide times in december 2026 in Rotterdam
Swim elsewhere in the Netherlands in december
| City | Average T° | Min. T° | Max. T° | Our opinion | Amsterdam in december | 49°F | 54°F | freezing swimming | Den Haag in december | 49°F | 54°F | freezing swimming | Volendam in december | 50°F | 54°F | freezing swimming | Zandvoort in december | 49°F | 54°F | freezing swimming | Marken in december | 50°F | 54°F | freezing swimming |
Swim in the Netherlands in december: sea temperature by city