Best Time to Visit Cardiff: Month-by-Month Guide
Best months for Cardiff: July, August, June, September.
- Best months for Cardiff: July, August, June, September.
- 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 4.7).
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 7°C | 3°C | 95 mm | 15 | – | – | 4.7 |
| February | 8°C | 3°C | 75 mm | 11 | – | – | 5.3 |
| March | 9°C | 4°C | 68 mm | 12 | – | – | 5.5 |
| April | 12°C | 6°C | 70 mm | 11 | – | – | 5.9 |
| May | 15°C | 9°C | 73 mm | 12 | – | – | 6.3 |
| June | 18°C | 11°C | 71 mm | 11 | – | – | 6.9 |
| July | 19°C | 13°C | 74 mm | 12 | – | – | 7.1 |
| August | 19°C | 13°C | 87 mm | 12 | – | – | 7.0 |
| September | 17°C | 11°C | 74 mm | 11 | – | – | 6.8 |
| October | 14°C | 9°C | 106 mm | 14 | – | – | 5.8 |
| November | 10°C | 6°C | 102 mm | 14 | – | – | 5.2 |
| December | 8°C | 4°C | 107 mm | 14 | – | – | 4.8 |
Frequently asked questions
When is the best time to visit Cardiff?
The best months are July, August, June, September.
When is the rainy season in Cardiff?
The wettest months are January, November, October.