Best Time to Visit Carmarthen: Month-by-Month Guide
Best months for Carmarthen: July, August, September, June.
- Best months for Carmarthen: July, August, September, June.
- Peak season is August, July, September. Expect higher prices and more visitors (estimated from the climate, not from visitor counts).
- Wettest months: November, January, 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 | 8°C | 4°C | 129 mm | 17 | – | – | 4.4 |
| February | 8°C | 4°C | 96 mm | 13 | – | – | 4.9 |
| March | 9°C | 5°C | 84 mm | 14 | – | – | 5.2 |
| April | 11°C | 6°C | 75 mm | 13 | – | – | 5.7 |
| May | 14°C | 9°C | 80 mm | 13 | – | – | 6.1 |
| June | 16°C | 11°C | 86 mm | 13 | – | – | 6.3 |
| July | 18°C | 13°C | 91 mm | 14 | – | – | 6.5 |
| August | 18°C | 13°C | 103 mm | 14 | – | – | 6.4 |
| September | 17°C | 12°C | 97 mm | 13 | – | – | 6.4 |
| October | 14°C | 10°C | 144 mm | 16 | – | – | 5.2 |
| November | 11°C | 7°C | 142 mm | 17 | – | – | 4.7 |
| December | 8°C | 5°C | 142 mm | 16 | – | – | 4.5 |
Frequently asked questions
When is the best time to visit Carmarthen?
The best months are July, August, September, June.
When is the rainy season in Carmarthen?
The wettest months are November, January, October.