Best Time to Visit Snowdon: Month-by-Month Guide
Best months for Snowdon: August, September, June, July.
- Best months for Snowdon: August, September, June, July.
- Peak season is July, August, June. Expect higher prices and more visitors (estimated from the climate, not from visitor counts).
- Shoulder season: May, September. Good weather without the busiest period.
- Wettest months: July, June, October.
- The least pleasant month is December (score 3.5).
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | -5°C | -13°C | 74 mm | 11 | – | – | 3.7 |
| February | -3°C | -12°C | 61 mm | 9 | – | – | 3.9 |
| March | 3°C | -6°C | 72 mm | 10 | – | – | 4.1 |
| April | 11°C | 2°C | 102 mm | 11 | – | – | 5.6 |
| May | 19°C | 9°C | 93 mm | 11 | – | – | 7.0 |
| June | 24°C | 15°C | 100 mm | 12 | – | – | 7.4 |
| July | 26°C | 18°C | 87 mm | 12 | – | – | 7.4 |
| August | 25°C | 17°C | 91 mm | 12 | – | – | 7.5 |
| September | 21°C | 12°C | 90 mm | 10 | – | – | 7.5 |
| October | 13°C | 6°C | 107 mm | 12 | – | – | 6.0 |
| November | 6°C | 0°C | 87 mm | 11 | – | – | 4.9 |
| December | -1°C | -8°C | 86 mm | 12 | – | – | 3.5 |
Frequently asked questions
When is the best time to visit Snowdon?
The best months are August, September, June, July.
When is the rainy season in Snowdon?
The wettest months are July, June, October.