inland destination · warmest in Jul · mid-range
Open Carmarthen on the live value map →| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg °C | 5 | 4 | 6 | 8 | 11 | 13 | 16 | 16 | 13 | 11 | 8 | 6 |
| Rain (days) | 133 | 94 | 104 | 76 | 73 | 82 | 81 | 100 | 108 | 134 | 145 | 139 |
Warmest month: Jul. Driest: May.
No mild-temperature months (18–28°C) — expect extremes.