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Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Helensburgh, UKM3
Content continues below
May
Average Temperature
High
12°
Feels 11
Low
6°
Feels 3
Average Precipitation
15 Days
Rain amount
95.2mm
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
21
22
16°
23
16°
24
17°
25
18°
26
17°
27
19°
28
19°
29
17°
30
17°
31
19°
Forecast
Friday, May 22, 2026
Day
16°
Feels 15
Wind
19 km/h S
Gust
29 km/h
Humidity
73%
P.O.P
40%
Rain
<1 mm
Night
11°
Feels 9
Wind
15 km/h S
Gust
23 km/h
Humidity
96%
P.O.P
90%
Rain
2-4 mm
Historical Averages
May 22
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.