Weather in Rotterdam: June
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Average day temperature: | 68.6°F |
| Average night temperature: | 57.3°F | |
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Sea water temperature: | 60.6°F |
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Number of sunny days: | 11 days |
| Day length: | 16.4 - 16.7 hours | |
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Number of rainy days: | 3 days |
| Precipitation totals: | 1.8 in. | |
| more information | ||
14 days
forecast
forecast
| Rotterdam |
sea water
temperature
temperature
| Rotterdam |
Air temperature in June, °F
Show year:
2026
2025
2024
The highest day temperature during June of 2026 was 95°F. At the same time the lowest night temperature was 49°F. Daily and nightly averages during June were 72.3°F and 59.3°F.
Sea water temperature in Rotterdam in June, °F
Show year:
2026
2025
2024
The average sea water temperature in June of 2026 was 63.5°F. The highest and lowest sea temperatures during the month were 69.4°F and 59.5°F.
Sunny, partly cloudy and cloudy days
Number of sunny, partly cloudy and cloudy days in June is almost equal.
Precipitation total in June, in.
Precipitation total value in Rotterdam in June is 1.3 in. Other months of the year show relatively similar values.
Wind speed in June, mph
The average wind speed value in June is 9.0 mph
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in June is: 9.8.
Best time for vacation in Rotterdam
Rotterdam on a weather map
Places in Netherlands:
Name
°F
24 Hours Forecast
Rotterdam
Local time: 04:36
July 17, friday
0600
61°F
S
5 mph
5 mph
0900
70°F
S
7 mph
7 mph
1200
77°F
SE
9 mph
9 mph
1500
79°F
SE
12 mph
12 mph
1800
73°F
S
15 mph
15 mph
2100
68°F
S
11 mph
11 mph
July 18, saturday
0000
61°F
SE
6 mph
6 mph
0300
61°F
SE
6 mph
6 mph
