Weather in Brussel: July
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Average day temperature: | 72.5°F |
| Average night temperature: | 59.4°F | |
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Sea water temperature: | 66.9°F |
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Number of sunny days: | 9 days |
| Day length: | 15.4 - 16.4 hours | |
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Number of rainy days: | 4 days |
| Precipitation totals: | 2.3 in. | |
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forecast
| Brussel |
temperature
| Brussel |
Air temperature in July, °F
The highest day temperature during July of 2025 was 96°F. At the same time the lowest night temperature was 51°F. Daily and nightly averages during July were 74.7°F and 59.2°F.
Sea water temperature in Brussel in July, °F
The average sea water temperature in July of 2025 was 69.3°F. The highest and lowest sea temperatures during the month were 70.3°F and 67.1°F.
Number of sunny, partly cloudy and cloudy days in July is almost equal.
Precipitation total in July, in.
Precipitation total value in Brussel in July is 2.0 in. Other months of the year show relatively similar values.
The average wind speed value in July is 8.6 mph It makes July one of the least windy months of the year.
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: 8.2.
Best time for vacation in Brussel
Brussel on a weather map
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