Best Time to Visit Siena: Month-by-Month Guide
Best months for Siena: July, June, August.
- Best months for Siena: July, June, August.
- Peak season is August, July, June. Expect higher prices and more visitors (estimated from the climate, not from visitor counts).
- Shoulder season: May, September, October. Good weather without the busiest period.
- Wettest months: November, April, October.
- The least pleasant month is December (score 5.8).
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 9°C | 2°C | 55 mm | 8 | – | – | 5.8 |
| February | 10°C | 2°C | 65 mm | 8 | – | – | 6.0 |
| March | 14°C | 4°C | 66 mm | 9 | – | – | 6.6 |
| April | 17°C | 7°C | 79 mm | 11 | – | – | 6.8 |
| May | 22°C | 11°C | 71 mm | 10 | – | – | 7.7 |
| June | 26°C | 15°C | 50 mm | 8 | – | – | 8.1 |
| July | 29°C | 17°C | 31 mm | 5 | – | – | 8.4 |
| August | 30°C | 18°C | 40 mm | 6 | – | – | 8.1 |
| September | 24°C | 14°C | 92 mm | 9 | – | – | 7.8 |
| October | 19°C | 10°C | 109 mm | 10 | – | – | 7.1 |
| November | 14°C | 6°C | 119 mm | 12 | – | – | 6.0 |
| December | 10°C | 2°C | 79 mm | 10 | – | – | 5.8 |
Frequently asked questions
When is the best time to visit Siena?
The best months are July, June, August.
When is the rainy season in Siena?
The wettest months are November, April, October.