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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Granby, CT
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May
Average Temperature
High
22°
Feels 22
Low
9°
Feels 8
Average Precipitation
12 Days
Rain amount
91.1mm
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
30°
18
28°
19
33°
20
30°
21
18°
22
19°
23
18°
24
20°
25
20°
26
22°
27
22°
28
23°
29
23°
30
23°
31
24°
Forecast
Sunday, May 17, 2026
Day
30°
Feels 30
Wind
18 km/h W
Gust
37 km/h
Humidity
38%
P.O.P
10%
Night
16°
Feels 16
Wind
13 km/h NW
Gust
20 km/h
Humidity
82%
P.O.P
20%
Historical Averages
May 17
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.