IT
Siena climate and weather
Current conditions
12.9° / 4.8°
Fog
- Feels like
- 9.8° / 2.8°
- Humidity
- —
- Wind
- 11.3 km/h (gusts 20.2)
- UV index
- 2.8
- Sunrise / sunset
- 07:06 / 16:51
- Daylight
- 9.7 hrs
7-day forecast
| Date | Weather | High | Low | Feels like | Precip | Rain | Wind | UV |
|---|---|---|---|---|---|---|---|---|
| Sat 14 Nov | Fog | 12.9° | 4.8° | 9.8° / 2.8° | 0.0 mm | 28% | 11.3 km/h | 2.8 |
| Sun 15 Nov | Slight rain | 12.3° | 7.3° | 11.4° / 5.2° | 0.3 mm | 46% | 5.9 km/h | 0.8 |
| Mon 16 Nov | Thunderstorm | 14.8° | 9.7° | 14.8° / 9.0° | 15.6 mm | 64% | 9.1 km/h | 1.7 |
| Tue 17 Nov | Slight rain | 16.9° | 8.7° | 14.3° / 7.8° | 4.8 mm | 66% | 32.3 km/h | 0.8 |
| Wed 18 Nov | Thunderstorm | 17.6° | 11.0° | 15.4° / 8.9° | 19.7 mm | 74% | 18.2 km/h | 2.5 |
| Thu 19 Nov | Slight rain showers | 16.3° | 10.3° | 13.0° / 8.8° | 2.4 mm | 29% | 24.1 km/h | 2.2 |
Air quality
24
Good
US Air Quality Index
European AQI: 18
- PM2.5
- 2.0 µg/m³
- PM10
- 4.5 µg/m³
- Ozone (O₃)
- 54.0 µg/m³
- NO₂
- 2.4 µg/m³
- SO₂
- 0.1 µg/m³
- CO
- 119.0 µg/m³
- UV index
- 0.0
- Dust
- 0.0 µg/m³
Pollen
- Grass
- 0.0
- Birch
- 0.0
- Ragweed
- 0.0
Climate through the year
Now: November
Average high and low, °C Rainfall, mm
Temperature by month
Precipitation and rain days
Sunshine, UV and humidity
Best months to visit
| Month | Rating | Avg high | Avg low | Rain days | Sun (hrs) | Humidity |
|---|---|---|---|---|---|---|
| October | Excellent · 81 | 21.1°C | 11.5°C | 7.2 | 263.5 | 77.3% |
| May | Excellent · 76 | 22.2°C | 11.0°C | 11.0 | 362.7 | 71.2% |
| September | Excellent · 76 | 25.7°C | 14.8°C | 8.2 | 315.0 | 70.2% |
| June | Excellent · 76 | 29.1°C | 16.4°C | 5.2 | 399.0 | 62.2% |
| August | Good · 67 | 31.7°C | 18.7°C | 6.0 | 384.4 | 58.0% |
| July | Good · 65 | 32.2°C | 19.0°C | 3.7 | 430.9 | 55.9% |
| April | Fair · 51 | 17.7°C | 6.5°C | 10.4 | 327.0 | 70.3% |
| March | Fair · 36 | 14.8°C | 4.4°C | 8.1 | 285.2 | 72.2% |
| November | Poor · 29 | 14.9°C | 6.2°C | 11.0 | 210.0 | 81.3% |
| February | Poor · 26 | 12.7°C | 3.2°C | 8.5 | 198.8 | 79.0% |
| January | Poor · 23 | 10.3°C | 2.1°C | 9.5 | 189.1 | 82.2% |
| December | Poor · 23 | 11.4°C | 3.4°C | 9.9 | 179.8 | 85.5% |
Monthly climate data
| Month | High | Low | Mean | Feels high | Feels low | Precip | Rain days | Snow | Sun | Daylight | UV | Humidity | Wind | Clouds |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | 10.3° | 2.1° | 5.9° | 7.4° | -0.9° | 63.0 mm | 9.5 | 1.5 cm | 189.1 hrs | 9.4 hrs | — | 82.2% | 15.9 km/h | 63.4% |
| Feb | 12.7° | 3.2° | 7.4° | 10.0° | 0.3° | 70.9 mm | 8.5 | 1.5 cm | 198.8 hrs | 10.5 hrs | — | 79.0% | 14.9 km/h | 58.3% |
| Mar | 14.8° | 4.4° | 9.3° | 12.2° | 1.6° | 73.0 mm | 8.1 | 0.0 cm | 285.2 hrs | 12.0 hrs | — | 72.2% | 16.1 km/h | 53.8% |
| Apr | 17.7° | 6.5° | 11.9° | 16.1° | 4.2° | 80.5 mm | 10.4 | 0.3 cm | 327.0 hrs | 13.4 hrs | — | 70.3% | 16.7 km/h | 52.2% |
| May | 22.2° | 11.0° | 16.5° | 21.9° | 9.8° | 94.1 mm | 11.0 | 0.0 cm | 362.7 hrs | 14.7 hrs | — | 71.2% | 16.2 km/h | 53.4% |
| Jun | 29.1° | 16.4° | 22.7° | 30.4° | 16.8° | 39.0 mm | 5.2 | 0.0 cm | 399.0 hrs | 15.3 hrs | — | 62.2% | 15.4 km/h | 36.8% |
| Jul | 32.2° | 19.0° | 25.6° | 33.4° | 20.0° | 23.4 mm | 3.7 | 0.0 cm | 430.9 hrs | 15.0 hrs | — | 55.9% | 17.0 km/h | 22.8% |
| Aug | 31.7° | 18.7° | 25.1° | 32.7° | 19.9° | 40.6 mm | 6.0 | 0.0 cm | 384.4 hrs | 13.9 hrs | — | 58.0% | 15.6 km/h | 32.1% |
| Sep | 25.7° | 14.8° | 19.9° | 25.8° | 14.9° | 92.8 mm | 8.2 | 0.0 cm | 315.0 hrs | 12.5 hrs | — | 70.2% | 14.7 km/h | 44.5% |
| Oct | 21.1° | 11.5° | 15.8° | 20.3° | 10.6° | 95.8 mm | 7.2 | 0.0 cm | 263.5 hrs | 11.0 hrs | — | 77.3% | 14.6 km/h | 53.8% |
| Nov | 14.9° | 6.2° | 10.2° | 12.9° | 4.0° | 91.5 mm | 11.0 | 0.0 cm | 210.0 hrs | 9.7 hrs | — | 81.3% | 14.8 km/h | 59.6% |
| Dec | 11.4° | 3.4° | 7.0° | 9.3° | 0.7° | 84.8 mm | 9.9 | 0.4 cm | 179.8 hrs | 9.0 hrs | — | 85.5% | 13.1 km/h | 62.0% |