Weather in Old Saybrook: August
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Average day temperature: | 78.5°F |
| Average night temperature: | 66.8°F | |
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Sea water temperature: | 71.8°F |
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Number of sunny days: | 12 days |
| Day length: | 13.1 - 14.4 hours | |
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Number of rainy days: | 3 days |
| Precipitation totals: | 1.1 in. | |
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forecast
| Old Saybrook |
temperature
| Old Saybrook |
Air temperature in August, °F
The highest day temperature during August of 2025 was 88°F. At the same time the lowest night temperature was 53°F. Daily and nightly averages during August were 78.9°F and 62.2°F.
Sea water temperature in Old Saybrook in August, °F
The average sea water temperature in August of 2025 was 71.1°F. The highest and lowest sea temperatures during the month were 73.2°F and 69.4°F.
Number of sunny, partly cloudy and cloudy days in August is almost equal.
Precipitation total in August, in.
Precipitation total value in Old Saybrook in August is 1.1 in. Other months of the year show relatively similar values.
The average wind speed value in August is 7.5 mph It makes August 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 August is: 8.0.
Best time for vacation in Old Saybrook
Old Saybrook on a weather map
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