Merthyr Tydfil weather
The Merthyr Tydfil weather guide shows monthly weather averages (including daytime and night-time temperatures, rainfall and hours of sunshine) for holidays in Merthyr Tydfil, Merthyr Tydfil Area, Wales in 2022/2023.
- Merthyr Tydfil weather averages
- Merthyr Tydfil weather by month
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Merthyr Tydfil weather averages
Check the Merthyr Tydfil weather averages for each month of the year including maximum daytime and minimum night-time temperatures, monthly rainfall, number of days with rain and average daily hours of sunshine for Merthyr Tydfil, Merthyr Tydfil Area, Wales.
Merthyr Tydfil weather by month
Check the weather for Merthyr Tydfil, Merthyr Tydfil Area, Wales for a particular month by selecting from the list below. This gives the best indication of what to expect from the weather months in advance.
Merthyr Tydfil weather in January
The average maximum daytime temperature in Merthyr Tydfil in January is a cold 6°C (43°F), while the average minimum night-time temperature is a cold 1°C (34°F). You can expect on average 1 hours of sunshine a day in Merthyr Tydfil during January.
- 6°C max day temperature
6
- 1 hour of sunshine per day
1
- 20 days with some rainfall
20
- 1°C min night temperature
1
- 165 mm of monthly rainfall
165
On average 165 mm (6.5 inches) of rain normally falls in Merthyr Tydfil during January with rain falling on 20 days of the month.
Merthyr Tydfil weather in February
The average maximum daytime temperature in Merthyr Tydfil in February is a cold 7°C (45°F), while the average minimum night-time temperature is a cold 1°C (34°F). You can expect on average 2 hours of sunshine a day in Merthyr Tydfil during February.
- 7°C max day temperature
7
- 2 hours of sunshine per day
2
- 16 days with some rainfall
16
- 1°C min night temperature
1
- 120 mm of monthly rainfall
120
On average 120 mm (4.7 inches) of rain normally falls in Merthyr Tydfil during February with rain falling on 16 days of the month.
Merthyr Tydfil weather in March
The average maximum daytime temperature in Merthyr Tydfil in March is a cool 9°C (48°F), while the average minimum night-time temperature is a cold 2°C (36°F). You can expect on average 3 hours of sunshine a day in Merthyr Tydfil during March.
- 9°C max day temperature
9
- 3 hours of sunshine per day
3
- 18 days with some rainfall
18
- 2°C min night temperature
2
- 114 mm of monthly rainfall
114
On average 114 mm (4.5 inches) of rain normally falls in Merthyr Tydfil during March with rain falling on 18 days of the month.
Merthyr Tydfil weather in April
The average maximum daytime temperature in Merthyr Tydfil in April is a cool 11°C (52°F), while the average minimum night-time temperature is a cold 4°C (39°F). You can expect on average 5 hours of sunshine a day in Merthyr Tydfil during April.
- 11°C max day temperature
11
- 5 hours of sunshine per day
5
- 15 days with some rainfall
15
- 4°C min night temperature
4
- 86 mm of monthly rainfall
86
On average 86 mm (3.4 inches) of rain normally falls in Merthyr Tydfil during April with rain falling on 15 days of the month.
Merthyr Tydfil weather in May
The average maximum daytime temperature in Merthyr Tydfil in May is a comfortable 15°C (59°F), while the average minimum night-time temperature is a cold 6°C (43°F). You can expect on average 6 hours of sunshine a day in Merthyr Tydfil during May.
- 15°C max day temperature
15
- 6 hours of sunshine per day
6
- 14 days with some rainfall
14
- 6°C min night temperature
6
- 80 mm of monthly rainfall
80
On average 80 mm (3.1 inches) of rain normally falls in Merthyr Tydfil during May with rain falling on 14 days of the month.
Merthyr Tydfil weather in June
The average maximum daytime temperature in Merthyr Tydfil in June is a comfortable 18°C (64°F), while the average minimum night-time temperature is a cool 9°C (48°F). You can expect on average 6 hours of sunshine a day in Merthyr Tydfil during June.
- 18°C max day temperature
18
- 6 hours of sunshine per day
6
- 14 days with some rainfall
14
- 9°C min night temperature
9
- 80 mm of monthly rainfall
80
On average 80 mm (3.1 inches) of rain normally falls in Merthyr Tydfil during June with rain falling on 14 days of the month.
Merthyr Tydfil weather in July
The average maximum daytime temperature in Merthyr Tydfil in July is a comfortable 20°C (68°F), while the average minimum night-time temperature is a cool 11°C (52°F). You can expect on average 6 hours of sunshine a day in Merthyr Tydfil during July.
- 20°C max day temperature
20
- 6 hours of sunshine per day
6
- 13 days with some rainfall
13
- 11°C min night temperature
11
- 68 mm of monthly rainfall
68
On average 68 mm (2.7 inches) of rain normally falls in Merthyr Tydfil during July with rain falling on 13 days of the month.
Merthyr Tydfil weather in August
The average maximum daytime temperature in Merthyr Tydfil in August is a comfortable 20°C (68°F), while the average minimum night-time temperature is a cool 11°C (52°F). You can expect on average 5 hours of sunshine a day in Merthyr Tydfil during August.
- 20°C max day temperature
20
- 5 hours of sunshine per day
5
- 15 days with some rainfall
15
- 11°C min night temperature
11
- 97 mm of monthly rainfall
97
On average 97 mm (3.8 inches) of rain normally falls in Merthyr Tydfil during August with rain falling on 15 days of the month.
Merthyr Tydfil weather in September
The average maximum daytime temperature in Merthyr Tydfil in September is a comfortable 17°C (63°F), while the average minimum night-time temperature is a cool 9°C (48°F). You can expect on average 4 hours of sunshine a day in Merthyr Tydfil during September.
- 17°C max day temperature
17
- 4 hours of sunshine per day
4
- 15 days with some rainfall
15
- 9°C min night temperature
9
- 112 mm of monthly rainfall
112
On average 112 mm (4.4 inches) of rain normally falls in Merthyr Tydfil during September with rain falling on 15 days of the month.
Merthyr Tydfil weather in October
The average maximum daytime temperature in Merthyr Tydfil in October is a cool 13°C (55°F), while the average minimum night-time temperature is a cold 7°C (45°F). You can expect on average 3 hours of sunshine a day in Merthyr Tydfil during October.
- 13°C max day temperature
13
- 3 hours of sunshine per day
3
- 18 days with some rainfall
18
- 7°C min night temperature
7
- 138 mm of monthly rainfall
138
On average 138 mm (5.4 inches) of rain normally falls in Merthyr Tydfil during October with rain falling on 18 days of the month.
Merthyr Tydfil weather in November
The average maximum daytime temperature in Merthyr Tydfil in November is a cool 9°C (48°F), while the average minimum night-time temperature is a cold 4°C (39°F). You can expect on average 2 hours of sunshine a day in Merthyr Tydfil during November.
- 9°C max day temperature
9
- 2 hours of sunshine per day
2
- 19 days with some rainfall
19
- 4°C min night temperature
4
- 146 mm of monthly rainfall
146
On average 146 mm (5.7 inches) of rain normally falls in Merthyr Tydfil during November with rain falling on 19 days of the month.
Merthyr Tydfil weather in December
The average maximum daytime temperature in Merthyr Tydfil in December is a cold 7°C (45°F), while the average minimum night-time temperature is a cold 2°C (36°F). You can expect on average 1 hours of sunshine a day in Merthyr Tydfil during December.
- 7°C max day temperature
7
- 1 hour of sunshine per day
1
- 19 days with some rainfall
19
- 2°C min night temperature
2
- 168 mm of monthly rainfall
168
On average 168 mm (6.6 inches) of rain normally falls in Merthyr Tydfil during December with rain falling on 19 days of the month.