Weather in Old Saybrook: May
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Average day temperature: | 63.1°F |
| Average night temperature: | 51.8°F | |
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Sea water temperature: | 52.7°F |
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Number of sunny days: | 11 days |
| Day length: | 14.0 - 14.9 hours | |
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Number of rainy days: | 3 days |
| Precipitation totals: | 1.1 in. | |
| more information | ||
14 days
forecast
forecast
| Old Saybrook |
sea water
temperature
temperature
| Old Saybrook |
Air temperature in May, °F
Show year:
2025
2024
2023
The highest day temperature during May of 2025 was 73°F. At the same time the lowest night temperature was 42°F. Daily and nightly averages during May were 63.9°F and 52.7°F.
Sea water temperature in Old Saybrook in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 52.7°F. The highest and lowest sea temperatures during the month were 55.9°F and 48.7°F.
Sunny, partly cloudy and cloudy days
Number of sunny, partly cloudy and cloudy days in May is almost equal.
Precipitation total in May, in.
Precipitation total value in Old Saybrook in May is 1.1 in. Other months of the year show relatively similar values.
Wind speed in May, mph
The average wind speed value in May is 8.6 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 May is: 7.4.
Best time for vacation in Old Saybrook
Old Saybrook on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Old Saybrook
Local time: 01:05
December 05, friday
0300
16°F
S
9 mph
9 mph
0600
14°F
S
4 mph
4 mph
0900
18°F
S
2 mph
2 mph
1200
27°F
N
6 mph
6 mph
1500
27°F
NE
7 mph
7 mph
1800
28°F
N
4 mph
4 mph
2100
30°F
N
4 mph
4 mph
December 06, saturday
0000
30°F
N
2 mph
2 mph
