Siena weather in June
In June, Siena sees average daytime highs of 26°C and overnight lows near 15°C, with 50 mm of rain across 7.5 wet days and about 15.1 hours of daylight. It is the 3rd-warmest and 10th-wettest month of the year here.
Highs climb over the month, from about 24°C in the first days to 28°C by the end. The sky is clear or mostly clear about 53% of the time in June, and the air most often feels comfortable.
Daylight stretches from about 15 hours at the start of June to 15 h 12 min by month's end. Set against the rest of the year, June is Siena's 3rd-clearest and 10th-windiest month. For the whole year in context, see Siena's year-round climate.
- Daytime high
- 26°
- 3rd warmest
- Overnight low
- 15°
- 10th coldest
- Rainfall
- 50 mm
- 7.5 wet days
- Daylight
- 15 h 12 min
- 4:39 AM – 7:51 PM
- Cloud cover
- 41%
- 3rd clearest
- Wind
- 7 km/h
- 10th windiest
- Solar energy
- 6.79 kWh/m²
- Travel score
- 7.4
- out of 10
- Air quality
- Good
- PM10 18.4 µg/m³ · 2019
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in June
Highs climb over the month, from about 24°C in the first days to 28°C by the end.
A typical June day in Siena reaches about 26°C in the afternoon and slips back to 15°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 30°C. Set against its neighbours, June runs about 4°C warmer than May and about 3°C cooler than July.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 |
| Avg low (°C) | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 24 | 13 |
| 2 | 24 | 13 |
| 3 | 24 | 13 |
| 4 | 24 | 14 |
| 5 | 24 | 14 |
| 6 | 25 | 14 |
| 7 | 25 | 14 |
| 8 | 25 | 14 |
| 9 | 25 | 14 |
| 10 | 25 | 14 |
| 11 | 25 | 14 |
| 12 | 25 | 15 |
| 13 | 26 | 15 |
| 14 | 26 | 15 |
| 15 | 26 | 15 |
| 16 | 26 | 15 |
| 17 | 26 | 15 |
| 18 | 26 | 15 |
| 19 | 27 | 15 |
| 20 | 27 | 16 |
| 21 | 27 | 16 |
| 22 | 27 | 16 |
| 23 | 27 | 16 |
| 24 | 27 | 16 |
| 25 | 28 | 16 |
| 26 | 28 | 16 |
| 27 | 28 | 16 |
| 28 | 28 | 16 |
| 29 | 28 | 17 |
| 30 | 28 | 17 |
How June really feels in Siena
Once humidity and wind are folded in, June averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
June sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Siena weather by month
How June compares with the rest of the year at a glance. June is the 3rd-warmest and 10th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 9° / 2° | 55 | 8.1 | 0.8 | 9.2 | 1.9 |
| Feb | 10° / 2° | 65 | 8.4 | 1.2 | 10.2 | 2.5 |
| Mar | 14° / 4° | 66 | 9 | 0.5 | 11.6 | 4.2 |
| Apr | 17° / 7° | 79 | 11.3 | 0 | 13.2 | 5.4 |
| May | 22° / 11° | 71 | 10.1 | 0 | 14.5 | 6.7 |
| Jun | 26° / 15° | 50 | 7.5 | 0 | 15.1 | 7.4 |
| Jul | 29° / 17° | 31 | 5 | 0 | 14.9 | 6.5 |
| Aug | 29° / 18° | 40 | 6.2 | 0 | 13.8 | 6.3 |
| Sep | 25° / 14° | 92 | 9 | 0 | 12.3 | 7.1 |
| Oct | 19° / 10° | 109 | 10.4 | 0 | 10.8 | 6.2 |
| Nov | 14° / 6° | 120 | 11.6 | 0.1 | 9.5 | 3.8 |
| Dec | 10° / 3° | 79 | 10 | 0.5 | 8.8 | 2.1 |
Cloud cover in June
The sky is clear or mostly clear about 53% of the time in June.
Beyond those clear spells, partly cloudy skies cover about 20% of June, with mostly cloudy or overcast conditions the remaining 27%. Skies tend to open up as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 65 | 65 | 64 | 64 | 64 | 64 | 64 | 65 | 65 | 65 | 66 | 67 | 67 | 69 | 69 | 71 | 72 | 74 | 75 | 76 | 78 | 79 | 81 | 81 | 83 | 84 | 84 | 86 | 86 | 86 |
| Cloudier (%) | 35 | 35 | 36 | 36 | 36 | 36 | 36 | 35 | 35 | 35 | 34 | 33 | 33 | 31 | 31 | 29 | 28 | 26 | 25 | 24 | 22 | 21 | 19 | 19 | 17 | 16 | 16 | 14 | 14 | 14 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 65 | 35 |
| 2 | 65 | 35 |
| 3 | 64 | 36 |
| 4 | 64 | 36 |
| 5 | 64 | 36 |
| 6 | 64 | 36 |
| 7 | 64 | 36 |
| 8 | 65 | 35 |
| 9 | 65 | 35 |
| 10 | 65 | 35 |
| 11 | 66 | 34 |
| 12 | 67 | 33 |
| 13 | 67 | 33 |
| 14 | 69 | 31 |
| 15 | 69 | 31 |
| 16 | 71 | 29 |
| 17 | 72 | 28 |
| 18 | 74 | 26 |
| 19 | 75 | 25 |
| 20 | 76 | 24 |
| 21 | 78 | 22 |
| 22 | 79 | 21 |
| 23 | 81 | 19 |
| 24 | 81 | 19 |
| 25 | 83 | 17 |
| 26 | 84 | 16 |
| 27 | 84 | 16 |
| 28 | 86 | 14 |
| 29 | 86 | 14 |
| 30 | 86 | 14 |
Chance of precipitation in June
Siena gets around 50 mm of rain over 7.5 wet days in June. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 25% and peaks near 31% on the wettest days. The odds ease toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 29 | 29 | 30 | 30 | 31 | 31 | 31 | 31 | 31 | 31 | 30 | 30 | 29 | 28 | 27 | 26 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 18 | 17 | 17 | 17 | 16 | 16 | 17 |
| Rain chance (%) | |
|---|---|
| 1 | 29 |
| 2 | 29 |
| 3 | 30 |
| 4 | 30 |
| 5 | 31 |
| 6 | 31 |
| 7 | 31 |
| 8 | 31 |
| 9 | 31 |
| 10 | 31 |
| 11 | 30 |
| 12 | 30 |
| 13 | 29 |
| 14 | 28 |
| 15 | 27 |
| 16 | 26 |
| 17 | 24 |
| 18 | 23 |
| 19 | 22 |
| 20 | 21 |
| 21 | 20 |
| 22 | 19 |
| 23 | 18 |
| 24 | 18 |
| 25 | 17 |
| 26 | 17 |
| 27 | 17 |
| 28 | 16 |
| 29 | 16 |
| 30 | 17 |
Humidity in June
Most of June feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, June lands in the comfortable band about 42% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 47 | 44 | 42 | 39 | 37 | 35 | 33 | 32 | 30 | 29 | 28 | 27 | 26 | 26 | 25 | 25 | 24 | 24 | 23 | 23 | 22 | 21 | 21 | 20 | 19 | 18 | 17 | 17 | 16 | 15 |
| Comfortable (%) | 44 | 45 | 46 | 46 | 47 | 47 | 47 | 48 | 47 | 47 | 47 | 46 | 46 | 46 | 45 | 44 | 44 | 43 | 42 | 41 | 40 | 39 | 38 | 37 | 36 | 36 | 35 | 34 | 34 | 34 |
| Humid (%) | 9 | 11 | 13 | 14 | 16 | 17 | 19 | 20 | 22 | 23 | 24 | 25 | 26 | 27 | 27 | 28 | 29 | 29 | 30 | 31 | 32 | 33 | 35 | 36 | 37 | 38 | 39 | 40 | 40 | 40 |
| Muggy (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 4 | 5 | 5 | 6 | 7 | 7 | 8 | 8 | 9 | 10 | 10 | 10 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 47 | 44 | 9 | 0 |
| 2 | 44 | 45 | 11 | 0 |
| 3 | 42 | 46 | 13 | 0 |
| 4 | 39 | 46 | 14 | 0 |
| 5 | 37 | 47 | 16 | 0 |
| 6 | 35 | 47 | 17 | 0 |
| 7 | 33 | 47 | 19 | 0 |
| 8 | 32 | 48 | 20 | 1 |
| 9 | 30 | 47 | 22 | 1 |
| 10 | 29 | 47 | 23 | 1 |
| 11 | 28 | 47 | 24 | 1 |
| 12 | 27 | 46 | 25 | 2 |
| 13 | 26 | 46 | 26 | 2 |
| 14 | 26 | 46 | 27 | 2 |
| 15 | 25 | 45 | 27 | 3 |
| 16 | 25 | 44 | 28 | 3 |
| 17 | 24 | 44 | 29 | 3 |
| 18 | 24 | 43 | 29 | 4 |
| 19 | 23 | 42 | 30 | 4 |
| 20 | 23 | 41 | 31 | 5 |
| 21 | 22 | 40 | 32 | 5 |
| 22 | 21 | 39 | 33 | 6 |
| 23 | 21 | 38 | 35 | 7 |
| 24 | 20 | 37 | 36 | 7 |
| 25 | 19 | 36 | 37 | 8 |
| 26 | 18 | 36 | 38 | 8 |
| 27 | 17 | 35 | 39 | 9 |
| 28 | 17 | 34 | 40 | 10 |
| 29 | 16 | 34 | 40 | 10 |
| 30 | 15 | 34 | 40 | 10 |
Wind in June
Winds average 7 km/h in June.
Across June, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 7 | calm |
| 2 | 7 | calm |
| 3 | 7 | calm |
| 4 | 7 | calm |
| 5 | 7 | calm |
| 6 | 7 | calm |
| 7 | 7 | calm |
| 8 | 7 | calm |
| 9 | 7 | calm |
| 10 | 7 | calm |
| 11 | 7 | calm |
| 12 | 7 | calm |
| 13 | 7 | calm |
| 14 | 7 | calm |
| 15 | 7 | calm |
| 16 | 7 | calm |
| 17 | 7 | calm |
| 18 | 7 | calm |
| 19 | 7 | calm |
| 20 | 7 | calm |
| 21 | 7 | calm |
| 22 | 7 | calm |
| 23 | 7 | calm |
| 24 | 7 | calm |
| 25 | 7 | calm |
| 26 | 7 | calm |
| 27 | 7 | calm |
| 28 | 7 | calm |
| 29 | 7 | calm |
| 30 | 7 | calm |
Sunrise & sunset in June
Daylight runs from about 15 hours at the start of June to 15 h 12 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 12 minutes over June. Sunrise moves from 4:43 AM to 4:42 AM, and sunset from 7:41 PM to 7:53 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 15.0 | 15.0 | 15.0 | 15.0 | 15.0 | 15.1 | 15.1 | 15.1 | 15.1 | 15.1 | 15.1 | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 |
| Sunrise (AM) | 4:43 | 4:43 | 4:42 | 4:42 | 4:41 | 4:41 | 4:41 | 4:40 | 4:40 | 4:40 | 4:40 | 4:39 | 4:39 | 4:39 | 4:39 | 4:39 | 4:39 | 4:39 | 4:39 | 4:39 | 4:39 | 4:40 | 4:40 | 4:40 | 4:40 | 4:41 | 4:41 | 4:41 | 4:42 | 4:42 |
| Sunset (PM) | 7:41 | 7:42 | 7:43 | 7:43 | 7:44 | 7:45 | 7:46 | 7:46 | 7:47 | 7:48 | 7:48 | 7:49 | 7:49 | 7:50 | 7:50 | 7:51 | 7:51 | 7:52 | 7:52 | 7:52 | 7:52 | 7:53 | 7:53 | 7:53 | 7:53 | 7:53 | 7:53 | 7:53 | 7:53 | 7:53 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 15.0 | 4:43 | 7:41 |
| 2 | 15.0 | 4:43 | 7:42 |
| 3 | 15.0 | 4:42 | 7:43 |
| 4 | 15.0 | 4:42 | 7:43 |
| 5 | 15.0 | 4:41 | 7:44 |
| 6 | 15.1 | 4:41 | 7:45 |
| 7 | 15.1 | 4:41 | 7:46 |
| 8 | 15.1 | 4:40 | 7:46 |
| 9 | 15.1 | 4:40 | 7:47 |
| 10 | 15.1 | 4:40 | 7:48 |
| 11 | 15.1 | 4:40 | 7:48 |
| 12 | 15.2 | 4:39 | 7:49 |
| 13 | 15.2 | 4:39 | 7:49 |
| 14 | 15.2 | 4:39 | 7:50 |
| 15 | 15.2 | 4:39 | 7:50 |
| 16 | 15.2 | 4:39 | 7:51 |
| 17 | 15.2 | 4:39 | 7:51 |
| 18 | 15.2 | 4:39 | 7:52 |
| 19 | 15.2 | 4:39 | 7:52 |
| 20 | 15.2 | 4:39 | 7:52 |
| 21 | 15.2 | 4:39 | 7:52 |
| 22 | 15.2 | 4:40 | 7:53 |
| 23 | 15.2 | 4:40 | 7:53 |
| 24 | 15.2 | 4:40 | 7:53 |
| 25 | 15.2 | 4:40 | 7:53 |
| 26 | 15.2 | 4:41 | 7:53 |
| 27 | 15.2 | 4:41 | 7:53 |
| 28 | 15.2 | 4:41 | 7:53 |
| 29 | 15.2 | 4:42 | 7:53 |
| 30 | 15.2 | 4:42 | 7:53 |
Solar energy in June
Average shortwave solar energy reaching the ground each day in June, about 6.79 kWh/m².
For context, solar energy here swings from a low near 1.43 kWh/m² to a high of 6.97 kWh/m² in July across the year — June's 6.79 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.6 | 6.6 | 6.6 | 6.6 | 6.7 | 6.7 | 6.7 | 6.8 | 6.8 | 6.8 | 6.9 | 6.9 | 6.9 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.1 | 7.1 | 7.1 | 7.1 | 7.1 | 7.1 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.5 | Intense |
| 2 | 6.5 | Intense |
| 3 | 6.5 | Intense |
| 4 | 6.5 | Intense |
| 5 | 6.5 | Intense |
| 6 | 6.5 | Intense |
| 7 | 6.6 | Intense |
| 8 | 6.6 | Intense |
| 9 | 6.6 | Intense |
| 10 | 6.6 | Intense |
| 11 | 6.7 | Intense |
| 12 | 6.7 | Intense |
| 13 | 6.7 | Intense |
| 14 | 6.8 | Intense |
| 15 | 6.8 | Intense |
| 16 | 6.8 | Intense |
| 17 | 6.9 | Intense |
| 18 | 6.9 | Intense |
| 19 | 6.9 | Intense |
| 20 | 7.0 | Intense |
| 21 | 7.0 | Intense |
| 22 | 7.0 | Intense |
| 23 | 7.0 | Intense |
| 24 | 7.0 | Intense |
| 25 | 7.1 | Intense |
| 26 | 7.1 | Intense |
| 27 | 7.1 | Intense |
| 28 | 7.1 | Intense |
| 29 | 7.1 | Intense |
| 30 | 7.1 | Intense |
Is June a good time to visit Siena?
Our two travel scores rate June for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
June is one of the better times to visit Siena for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Siena in June
From June's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In June, Siena sees daytime highs around 26°C and nights near 15°C. Pack sun protection. Worth having: light clothes. About 8 days see rain.
UV index in Siena in June
Clear-sky midday UV in June peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Siena peaks around July 14 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 3 | 5 | 6 | 6 | 8 | 9 | 7 | 5 | 3 | 2 | 1 |
| Level | Low | Moderate | Moderate | High | High | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 3 | Moderate |
| Mar | 5 | Moderate |
| Apr | 6 | High |
| May | 6 | High |
| Jun | 8 | Very high |
| Jul | 9 | Very high |
| Aug | 7 | Very high |
| Sep | 5 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Moderate |
| Dec | 1 | Low |
Air quality in Siena in June
Average fine-particle pollution (PM2.5) through the year — so you can see where June falls, not just the annual average.
Air quality in Siena is worst in March — around 17 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 14 | 14 | 17 | 16 | 15 | 14 | 12 | 13 | 12 | 13 | 12 | 12 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Moderate | Moderate | Moderate | Good | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 14 | Moderate |
| Feb | 14 | Moderate |
| Mar | 17 | Moderate |
| Apr | 16 | Moderate |
| May | 15 | Moderate |
| Jun | 14 | Moderate |
| Jul | 12 | Good |
| Aug | 13 | Moderate |
| Sep | 12 | Moderate |
| Oct | 13 | Moderate |
| Nov | 12 | Good |
| Dec | 12 | Moderate |
Where is Siena?
Siena sits at 43.3°N, 11.3°E, 322 m above sea level, in Italy. The nearest listed city is Colle di Val d'Elsa, 20 km away.
Topography around Siena
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Siena.
Within 3 km, the terrain around Siena has only modest variations in elevation — a maximum elevation change of 199 m around an average of 283 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 520 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,724 m.
The land around Siena is covered by trees (57%) and grassland (22%) within 3 km, trees (55%) and cropland (24%) within 16 km, and trees (62%) within 80 km.
Italy travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F / L
- 230 V · 50 Hz
- Prices
- ≈ 69% of US
- price level, 2025
- GDP per capita
- $43,309
- 2025
- Happiness
- 6.6 / 10
- World Happiness, 2025
- Safe drinking water
- 97%
- of population, 2024
- Homicide rate
- 0.6
- per 100k, 2023
- Road deaths
- 5.3
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 513
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Siena (43.3182°, 11.3306°, elevation 322 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).