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Precipitation
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Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Merthyr Tydfil, UKL1
Content continues below
July
Average Temperature
High
18°
Feels 18
Low
11°
Feels 10
Average Precipitation
14 Days
Rain amount
83.5mm
Snow amount
0cm
Content continues below
Daily Historical Averages
July 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
23°
8
26°
9
27°
10
30°
11
29°
12
27°
13
25°
14
27°
15
27°
16
25°
17
25°
18
19°
19
18°
20
19°
21
17°
22
23
24
25
26
27
28
29
30
31
Forecast
Tuesday, July 7, 2026
Day
23°
Feels 23
Wind
14 km/h W
Gust
21 km/h
Humidity
61%
P.O.P
30%
Night
15°
Feels 15
Wind
13 km/h W
Gust
19 km/h
Humidity
89%
P.O.P
10%
Historical Averages
Jul 7
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.