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Merthyr Mawr, UKL1
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January
Average Temperature
High
8°
Feels 4
Low
4°
Feels 0
Average Precipitation
14 Days
Rain amount
90.2mm
Snow amount
0.1cm
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Daily Historical Averages
January 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
9°
14
6°
15
7°
16
9°
17
8°
18
6°
19
6°
20
5°
21
6°
22
7°
23
7°
24
6°
25
6°
26
7°
27
6°
28
29
30
31
Forecast
Tuesday, January 13, 2026
Day
9°
Feels 7
Wind
14 km/h NW
Gust
21 km/h
Humidity
82%
P.O.P
30%
Night
2°
Feels 0
Wind
9 km/h N
Gust
13 km/h
Humidity
91%
P.O.P
0%
Historical Averages
Jan 13
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.