Average sea water temperature in May:
+54.2°F
| Minimum sea water temperature in May: | 60.1°F |
| Maximum sea water temperature in May: | 47.5°F |
Daily sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 55.4°F. The highest and lowest sea temperatures during the month were 59.5°F and 52.9°F.
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| Rotterdam |
monthly
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| Rotterdam |
current
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| Rotterdam |
14 days
forecast
forecast
| Rotterdam |
Monthly sea water temperature in Rotterdam, °F
Which Netherlands resorts have warmest sea in May?
| Place name | May 2026 | May 2025 |
|---|---|---|
| Aruba | 81.0°F | 81.8°F |
| Breda | 59.6°F | 62.0°F |
| Amsterdam | 58.7°F | 60.9°F |
| Utrecht | 58.0°F | 60.5°F |
| Hague | 55.4°F | 56.2°F |
| Rotterdam | 55.4°F | 56.2°F |
| Groningen | 54.3°F | 55.8°F |
Best time for vacation in Rotterdam
Rotterdam on a weather map
Places in Netherlands:
Name
°F
24 Hours Forecast
Rotterdam
Local time: 00:02
June 27, saturday
0300

68°F
N
7 mph
7 mph
0600

68°F
N
1 mph
1 mph
0900

77°F
NE
5 mph
5 mph
1200

86°F
N
4 mph
4 mph
1500

90°F
E
7 mph
7 mph
1800

88°F
SE
5 mph
5 mph
2100

81°F
S
6 mph
6 mph
June 28, sunday
0000

72°F
E
4 mph
4 mph




























