Weather in Siena for July 2026
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So far, July 2026 in Siena is slightly warmer than the historical average by 0.6 °C.
The forecast for the next days in Siena predicts temperatures to be around 37 °C, close to the historical average.
In general, the average temperature in Siena at the beginning of July is 33.3 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 38.1 °C by the end of July.
With an average of 4 rainy days, Siena experiences minimal rainfall in July.
Is July a good time to visit Siena? check out the best time to travel to Siena page.
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Siena Weather July
Temperatures trend during July in Siena
July weather in Siena day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jul. |  Patchy rain possible | 34° /18° | 0.7 mm | 9 | |
| 2 Jul. |  Partly cloudy | 32° /17° | 1.6 mm | 8 | |
| 3 Jul. | Partly cloudy | 33° /16° | 0.3 mm | 9 | |
| 4 Jul. | Partly cloudy | 33° /16° | 0.1 mm | 9 | |
| 5 Jul. |  Sunny | 35° /17° | 0 mm | 9 | |
| 6 Jul. | Sunny | 33° /16° | 0.4 mm | 9 | |
| 7 Jul. | Patchy rain possible | 33° /16° | 1 mm | 8 | |
| 8 Jul. | Partly cloudy | 32° /16° | 0.3 mm | 8 | |
| 9 Jul. | Sunny | 33° /15° | 0 mm | 9 | |
| 10 Jul. | Partly cloudy | 34° /16° | 0.1 mm | 10 | |
| 11 Jul. | Sunny | 34° /16° | 0 mm | 9 | |
| 12 Jul. | Sunny | 35° /16° | 0 mm | 9 | |
| 13 Jul. | Sunny | 33° /17° | 1.6 mm | 8 | |
| 14 Jul. | Sunny | 35° /17° | 0 mm | 9 | |
| 15 Jul. | Sunny | 37° /17° | 0 mm | 10 | |
| 16 Jul. | Sunny | 36° /18° | 0 mm | 10 | |
| 17 Jul. | Sunny | 37° /18° | 0 mm | 9 | |
| 18 Jul. | Sunny | 37° /18° | 0 mm | 10 | |
| 19 Jul. | Sunny | 36° /20° | 0 mm | 8.4 | |
| 20 Jul. | Sunny | 36° /20° | 0 mm | 7.8 | |
| 21 Jul. | Sunny | 36° /19° | 0 mm | 8.3 | |
| 22 Jul. | Sunny | 34° /16° | 0 mm | 8 | |
| 23 Jul. | Sunny | 34° /15° | 0.1 mm | 7.3 | |
| 24 Jul. | Sunny | 29° /14° | 0 mm | 8.3 | |
| 25 Jul. | Sunny | 34° /13° | 0 mm | 8 | |
| 26 Jul. | Sunny | 36° /16° | 0 mm | 9 | |
| 27 Jul. | Sunny | 38° /17° | 0 mm | 9 | |
| 28 Jul. | Sunny | 39° /18° | 0 mm | 9 | |
| 29 Jul. | Sunny | 39° /18° | 0 mm | 9 | |
| 30 Jul. | Sunny | 40° /19° | 0 mm | 9 | |
| 31 Jul. | Sunny | 41° /20° | 0 mm | 10 | |
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Siena weather in July vs June vs August
| June | July | August | |
|---|---|---|---|
| Weather | Sunny | Sunny | Sunny |
| Temperatures | 30°/15° | 34°/17° | 33°/17° |
| Rainfall | 31 mm | 9 mm | 77 mm |
| Wind | 16.7 km/h | 21 km/h | 17.8 km/h |
| Humidity | 60% | 53% | 56% |
| Rainy days | 8 days | 4 days | 12 days |
| Dry days | 22 days | 27 days | 19 days |
Planning a trip to Siena? Discover the best time to visit
Siena in July - FAQ
What are the expected maximum and minimum temperatures in Siena during July?
How much rainfall should be expected in Siena during July?
What are the typical wind conditions in Siena during July?
July rainfall patterns in Siena
UV exposure in Siena during July
What to pack to Siena in July?
Warm & sunny · highs around 34 °C, occasional showers
As you prepare for your trip to Siena in July, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Siena, during July, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
🧴 Personal Items
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Where is Siena?Get accurate weather forecasts for Siena, located at latitude 43.318 and longitude 11.331. Stay updated with localized weather information tailored for Siena.