Best Time to Visit Castle Rock: Month-by-Month Guide
Best months for Castle Rock: September, June, July, August.
- Best months for Castle Rock: September, June, July, August.
- Peak season is July, August, June. Expect higher prices and more visitors (estimated from the climate, not from visitor counts).
- Shoulder season: September, October. Good weather without the busiest period.
- Wettest months: May, July, August.
- The least pleasant month is December (score 4.9).
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 5°C | -10°C | 16 mm | 4 | – | – | 5.0 |
| February | 6°C | -9°C | 18 mm | 5 | – | – | 5.1 |
| March | 11°C | -5°C | 44 mm | 7 | – | – | 5.8 |
| April | 14°C | -2°C | 66 mm | 9 | – | – | 6.2 |
| May | 19°C | 4°C | 77 mm | 13 | – | – | 6.9 |
| June | 25°C | 9°C | 54 mm | 11 | – | – | 7.7 |
| July | 28°C | 12°C | 63 mm | 11 | – | – | 7.6 |
| August | 27°C | 11°C | 51 mm | 11 | – | – | 7.6 |
| September | 23°C | 7°C | 33 mm | 6 | – | – | 8.2 |
| October | 17°C | 1°C | 35 mm | 6 | – | – | 7.4 |
| November | 9°C | -5°C | 25 mm | 5 | – | – | 5.9 |
| December | 4°C | -10°C | 17 mm | 4 | – | – | 4.9 |
Frequently asked questions
When is the best time to visit Castle Rock?
The best months are September, June, July, August.
When is the rainy season in Castle Rock?
The wettest months are May, July, August.