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7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Cornwell, UKJ
Content continues below
May
Average Temperature
High
15°
Feels 14
Low
6°
Feels 4
Average Precipitation
12 Days
Rain amount
58.8mm
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
16°
21
19°
22
22°
23
22°
24
24°
25
24°
26
24°
27
23°
28
22°
29
17°
30
17°
31
18°
Forecast
Wednesday, May 20, 2026
Day
16°
Feels 14
Wind
29 km/h SW
Gust
44 km/h
Humidity
66%
P.O.P
40%
Rain
<1 mm
Night
9°
Feels 7
Wind
24 km/h SW
Gust
35 km/h
Humidity
98%
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.