Weather in Siasconset: May
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Average day temperature: | 53.7°F |
| Average night temperature: | 52.7°F | |
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Sea water temperature: | 50.9°F |
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Number of sunny days: | 9 days |
| Day length: | 14.0 - 14.9 hours | |
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Number of rainy days: | 2 days |
| Precipitation totals: | 1.0 in. | |
| more information | ||
14 days
forecast
forecast
| Siasconset |
sea water
temperature
temperature
| Siasconset |
Air temperature in May, °F
Show year:
2025
2024
2023
The highest day temperature during May of 2025 was 60°F. At the same time the lowest night temperature was 47°F. Daily and nightly averages during May were 55.1°F and 53.5°F.
Sea water temperature in Siasconset in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 51.5°F. The highest and lowest sea temperatures during the month were 54.5°F and 48.2°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 Siasconset in May is 1.0 in. Other months of the year show relatively similar values.
Wind speed in May, mph
The average wind speed value in May is 15.8 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: 7.1.
Best time for vacation in Siasconset
Siasconset on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Siasconset
Local time: 04:16
December 05, friday
0600
21°F
S
16 mph
16 mph
0900
25°F
S
6 mph
6 mph
1200
28°F
NE
4 mph
4 mph
1500
30°F
NE
9 mph
9 mph
1800
32°F
NE
8 mph
8 mph
2100
34°F
N
7 mph
7 mph
December 06, saturday
0000
36°F
N
6 mph
6 mph
0300
37°F
W
5 mph
5 mph
