Best Time to Visit Merthyr Tydfil: Month-by-Month Guide
Best months for Merthyr Tydfil: July, August, September, June.
- Best months for Merthyr Tydfil: July, August, September, June.
- Peak season is July, August, June. Expect higher prices and more visitors (estimated from the climate, not from visitor counts).
- Wettest months: January, November, October.
- The least pleasant month is January (score 4.4).
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 6°C | 2°C | 112 mm | 15 | – | – | 4.4 |
| February | 7°C | 2°C | 88 mm | 12 | – | – | 4.9 |
| March | 9°C | 3°C | 80 mm | 13 | – | – | 5.2 |
| April | 11°C | 4°C | 81 mm | 13 | – | – | 5.6 |
| May | 14°C | 7°C | 90 mm | 14 | – | – | 5.9 |
| June | 17°C | 10°C | 87 mm | 13 | – | – | 6.5 |
| July | 19°C | 12°C | 89 mm | 14 | – | – | 6.6 |
| August | 18°C | 12°C | 95 mm | 14 | – | – | 6.6 |
| September | 16°C | 10°C | 83 mm | 12 | – | – | 6.6 |
| October | 13°C | 7°C | 120 mm | 15 | – | – | 5.5 |
| November | 9°C | 4°C | 114 mm | 15 | – | – | 4.9 |
| December | 7°C | 2°C | 121 mm | 14 | – | – | 4.5 |
Frequently asked questions
When is the best time to visit Merthyr Tydfil?
The best months are July, August, September, June.
When is the rainy season in Merthyr Tydfil?
The wettest months are January, November, October.