Current sea water temperature:
+54.1°F
| Minimum sea water temperature in May: | 60.1°F |
| Maximum sea water temperature in May: | 47.5°F |
| Average sea water temperature in May: | 54.1°F |
| more information | |
14 days
forecast
forecast
| Rotterdam |
monthly
weather
weather
| Rotterdam |
Sea water temperature for the last 10 days:
| May 17 | 54.1°F | May 12 | 54.1°F |
| May 16 | 54.0°F | May 11 | 54.0°F |
| May 15 | 54.7°F | May 10 | 54.5°F |
| May 14 | 54.1°F | May 9 | 54.0°F |
| May 13 | 53.6°F | May 8 | 54.3°F |
Monthly sea water temperature, °F
When is the warmest sea in Rotterdam?
Based on the data about daily sea water temperature for the last three years the warmest sea in Rotterdam was noticed in August, July and September.
Monthly Sea Temperatures in Rotterdam, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 67.9°F. The highest and lowest sea temperatures during the month were 68.9°F and 66.9°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 67.1°F. The highest and lowest sea temperatures during the month were 68.5°F and 65.7°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 64.5°F. The highest and lowest sea temperatures during the month were 67.3°F and 60.6°F.
current
weather
weather
| Rotterdam |
weather in
May
May
| Rotterdam |
Best time for vacation in Rotterdam
Rotterdam on a weather map
Places in Netherlands:
Name
°F
24 Hours Forecast
Rotterdam
Local time: 11:24
May 17, sunday
1200
55°F
NE
12 mph
12 mph
1500
57°F
NE
12 mph
12 mph
1800
55°F
NE
7 mph
7 mph
2100
52°F
N
4 mph
4 mph
May 18, monday
0000
48°F
N
5 mph
5 mph
0300
48°F
NE
6 mph
6 mph
0600
48°F
NE
6 mph
6 mph
0900
52°F
NE
7 mph
7 mph
