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Siasconset weather in May

Weather in Siasconset: May

Average day temperature: 53.4°F
Average night temperature: 52.6°F
Sea water temperature: 50.8°F
Number of sunny days: 10 days
Day length: 14.0 - 14.9 hours
Number of rainy days: 2 days
Precipitation totals: 1.1 in.

Air temperature in May, °F

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Day temperature   
Night temperature

The highest day temperature during May of 2024 was 62°F. At the same time the lowest night temperature was 46°F. Daily and nightly averages during May were 54.1°F and 53.8°F.

Sea water temperature in Siasconset in May, °F

Show year:
2024
2023
2022
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41
44
47
50
53
56
59
62

The average sea water temperature in May of 2024 was 50.8°F. The highest and lowest sea temperatures during the month were 57.6°F and 47.3°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
32%
35%
32%

Number of sunny, partly cloudy and cloudy days in May is almost equal.

Precipitation total in May, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.3
0.6
0.9
1.2
1.5
1.8
2.1
1.3
1.8
1.6
1.2
1.3
1.1
1.4
1.6
1.3
1.8
1.6
1.2
1.1
1.3
1.1
1.4
1.6

Precipitation total value in Siasconset in May is 1.1 in. Other months of the year show relatively similar values.

Wind speed in May, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
3.3
6.5
9.8
13.1
16.4
19.6
22.9
18.4
18.3
15.7
15.0
13.2
12.9
13.6
17.1
19.1
18.2
19.0
18.4
18.3
15.7
15.0
13.2
12.9
13.6
15.8
17.1
19.1
18.2
19.0

The average wind speed value in May is 15.8 mph

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.6
3.2
4.7
6.3
7.9
9.5
11.0
4.0
5.6
5.9
7.3
8.4
8.6
9.2
6.6
5.6
4.5
4.2
4.0
5.6
5.9
7.3
8.4
8.6
9.2
7.9
6.6
5.6
4.5
4.2

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: 7.9.

Best time for vacation in Siasconset

Sunniest months:
June 14 days
September 13 days
July 12 days
Warmest months:
August 71.3 °F
July 70.7 °F
September 66.9 °F
Warmest sea temp:
August 68.8 °F
July 66.6 °F
September 66.1 °F
Coldest months:
February 36.5 °F
January 36.9 °F
March 40.4 °F
Rainiest months:
January 4 days
October 4 days
April 3 days
Windiest months:
March 19.1 mph
January 19.0 mph
December 18.4 mph

Siasconset on a weather map

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24 Hours Forecast
Siasconset
Local time: 18:00
April 04, friday
2100
48°F
SW
7 mph
April 05, saturday
0000
48°F
SW
9 mph
0300
45°F
W
17 mph
0600
43°F
W
17 mph
0900
41°F
W
17 mph
1200
41°F
W
15 mph
1500
41°F
NW
18 mph
1800
43°F
NW
21 mph
Units of measurement: °C / °F