Weather in Rotterdam: July
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Average day temperature: | 70.9°F |
| Average night temperature: | 60.3°F | |
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Sea water temperature: | 65.3°F |
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Number of sunny days: | 11 days |
| Day length: | 15.5 - 16.6 hours | |
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Number of rainy days: | 3 days |
| Precipitation totals: | 1.9 in. | |
| more information | ||
14 days
forecast
forecast
| Rotterdam |
sea water
temperature
temperature
| Rotterdam |
Air temperature in July, °F
Show year:
2025
2024
2023
The highest day temperature during July of 2025 was 96°F. At the same time the lowest night temperature was 54°F. Daily and nightly averages during July were 73.3°F and 60.8°F.
Sea water temperature in Rotterdam 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.
Sunny, partly cloudy and cloudy days
Number of sunny, partly cloudy and cloudy days in July is almost equal.
Precipitation total in July, in.
Precipitation total value in Rotterdam in July is 1.5 in. Other months of the year show relatively similar values.
Wind speed in July, mph
The average wind speed value in July 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 July is: 8.6.
Best time for vacation in Rotterdam
Rotterdam on a weather map
Places in Netherlands:
Name
°F
24 Hours Forecast
Rotterdam
Local time: 15:36
January 14, wednesday
1800
43°F
NW
5 mph
5 mph
2100
43°F
NW
6 mph
6 mph
January 15, thursday
0000
45°F
N
9 mph
9 mph
0300
43°F
N
9 mph
9 mph
0600
46°F
N
12 mph
12 mph
0900
46°F
NE
12 mph
12 mph
1200
46°F
N
9 mph
9 mph
1500
48°F
N
12 mph
12 mph
