Best Time to Visit Charlestown: Month-by-Month Guide
Best months for Charlestown: September, July, August, June.
- Best months for Charlestown: September, July, August, June.
- Peak season is July, August, June. Expect higher prices and more visitors (estimated from the climate, not from visitor counts).
- Shoulder season: September. Good weather without the busiest period.
- Wettest months: May, March, June.
- The least pleasant month is January (score 4.0).
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 2°C | -5°C | 92 mm | 10 | – | – | 4.0 |
| February | 3°C | -4°C | 84 mm | 9 | – | – | 4.4 |
| March | 7°C | -1°C | 115 mm | 11 | – | – | 4.8 |
| April | 12°C | 5°C | 104 mm | 10 | – | – | 6.0 |
| May | 18°C | 10°C | 84 mm | 11 | – | – | 6.9 |
| June | 22°C | 15°C | 89 mm | 11 | – | – | 7.6 |
| July | 26°C | 19°C | 73 mm | 10 | – | – | 7.8 |
| August | 25°C | 18°C | 85 mm | 9 | – | – | 7.8 |
| September | 21°C | 15°C | 87 mm | 8 | – | – | 7.9 |
| October | 16°C | 9°C | 109 mm | 10 | – | – | 6.6 |
| November | 10°C | 3°C | 96 mm | 9 | – | – | 5.9 |
| December | 5°C | -1°C | 116 mm | 10 | – | – | 4.6 |
Frequently asked questions
When is the best time to visit Charlestown?
The best months are September, July, August, June.
When is the rainy season in Charlestown?
The wettest months are May, March, June.