Weather in Reykjavik: July
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Average day temperature: | 55.6°F |
| Average night temperature: | 50.0°F | |
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Sea water temperature: | 52.5°F |
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Number of sunny days: | 4 days |
| Day length: | 18.0 - 20.8 hours | |
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Number of rainy days: | 6 days |
| Precipitation totals: | 3.0 in. | |
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forecast
| Reykjavik |
temperature
| Reykjavik |
Air temperature in July, °F
The highest day temperature during July of 2025 was 61°F. At the same time the lowest night temperature was 42°F. Daily and nightly averages during July were 54.4°F and 51.6°F.
Sea water temperature in Reykjavik in July, °F
The average sea water temperature in July of 2025 was 53.3°F. The highest and lowest sea temperatures during the month were 55.4°F and 51.8°F.
Mostly all days in July are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in July, in.
Precipitation total value in Reykjavik in July is 2.4 in. Other months of the year show relatively similar values.
The average wind speed value in July is 9.3 mph It makes July lest windy month 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: 6.1.
Best time for vacation in Reykjavik
Reykjavik on a weather map
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