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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Seabrook, NH
Content continues below
May
Average Temperature
High
18°
Feels 18
Low
9°
Feels 7
Average Precipitation
11 Days
Rain amount
79.1mm
Snow amount
0cm
Content continues below
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
31°
21
18°
22
15°
23
14°
24
12°
25
14°
26
20°
27
22°
28
22°
29
22°
30
20°
31
19°
Forecast
Wednesday, May 20, 2026
Day
31°
Feels 31
Wind
26 km/h SW
Gust
39 km/h
Humidity
43%
P.O.P
40%
Rain
<1 mm
Night
14°
Feels 12
Wind
22 km/h NW
Gust
33 km/h
Humidity
55%
P.O.P
30%
Historical Averages
May 20
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.