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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Grantham, UKF
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May
Average Temperature
High
15°
Feels 15
Low
6°
Feels 4
Average Precipitation
12 Days
Rain amount
52.8mm
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
11°
12
14°
13
13°
14
13°
15
13°
16
15°
17
16°
18
16°
19
17°
20
17°
21
18°
22
19°
23
19°
24
19°
25
20°
26
27
28
29
30
31
Forecast
Monday, May 11, 2026
Day
11°
Feels 9
Wind
28 km/h N
Gust
42 km/h
Humidity
48%
P.O.P
40%
Rain
<1 mm
Night
2°
Feels -1
Wind
20 km/h SW
Gust
31 km/h
Humidity
86%
P.O.P
20%
Historical Averages
May 11
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.