Best Time to Visit Dumbarton: Month-by-Month Guide
Best months for Dumbarton: June, July, September, August.
- Best months for Dumbarton: June, July, September, August.
- Peak season is June, July, September. Expect higher prices and more visitors (estimated from the climate, not from visitor counts).
- Wettest months: January, November, August.
- The least pleasant month is January (score 3.8).
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 6°C | 2°C | 148 mm | 18 | – | – | 3.8 |
| February | 7°C | 2°C | 121 mm | 16 | – | – | 4.3 |
| March | 8°C | 3°C | 106 mm | 16 | – | – | 4.7 |
| April | 11°C | 4°C | 84 mm | 14 | – | – | 5.3 |
| May | 14°C | 6°C | 86 mm | 15 | – | – | 5.8 |
| June | 16°C | 9°C | 90 mm | 15 | – | – | 6.1 |
| July | 18°C | 11°C | 102 mm | 16 | – | – | 6.1 |
| August | 17°C | 11°C | 113 mm | 17 | – | – | 5.9 |
| September | 15°C | 9°C | 101 mm | 14 | – | – | 6.0 |
| October | 12°C | 7°C | 142 mm | 16 | – | – | 5.0 |
| November | 9°C | 4°C | 132 mm | 17 | – | – | 4.5 |
| December | 6°C | 2°C | 142 mm | 17 | – | – | 4.0 |
Frequently asked questions
When is the best time to visit Dumbarton?
The best months are June, July, September, August.
When is the rainy season in Dumbarton?
The wettest months are January, November, August.