Weather in Siena for January 2025
Until now, January 2025 in Siena has been nearly identical to the historical average, with a temperature of 9.6 °C (showing only a slight deviation of -0.4 °C).
Expect cooler weather in the next days in Siena with the forecast suggesting a temperature of 11.6 °C, lower than the historical average.
In general, the average temperature in Siena at the beginning of January is 11 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 12.6 °C by the end of January.
Siena experiences moderate rainfall in January, with an average of 6 rainy days and a total precipitation of 35.8 mm.
Is January a good time to visit Siena? check out the best time to travel to Siena page.
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Siena in January average weather
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  11° | 2 11° | 3 12° | 4 11° | 5 10° | ||
| 6 12° | 7  10° | 8  10° | 9  10° | 10 9° | 11 8° | 12 8° |
| 13 7° | 14 7° | 15 9° | 16 10° | 17 10° | 18 13° | 19 11° |
| 20  5° | 21 12° | 22 8° | 23 13° | 24 14° | 25 14° | 26 13° |
| 27 12° | 28 13° | 29 12° | 30 12° | 31 12° |
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Temperatures trend during January in Siena
January weather day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jan. | Patchy rain possible | 11° /4° | 0.5 mm | 3 | |
| 2 Jan. | Patchy rain possible | 11° /5° | 0.4 mm | 3 | |
| 3 Jan. | Patchy rain possible | 12° /4° | 0.8 mm | 3 | |
| 4 Jan. | Patchy rain possible | 11° /3° | 0 mm | 3 | |
| 5 Jan. | Light rain shower | 10° /4° | 1.1 mm | 3 | |
| 6 Jan. | Light rain shower | 12° /8° | 9.9 mm | 3 | |
| 7 Jan. | Light drizzle | 10° /6° | 1.5 mm | 3 | |
| 8 Jan. | Overcast | 10° /3° | 0.2 mm | 3 | |
| 9 Jan. | Partly cloudy | 10° /4° | 1.1 mm | 3 | |
| 10 Jan. | Patchy rain possible | 9° /3° | 0.1 mm | 3 | |
| 11 Jan. | Overcast | 8° /1° | 1.6 mm | 2 | |
| 12 Jan. | Partly cloudy | 8° /1° | 0 mm | 3 | |
| 13 Jan. | Partly cloudy | 7° /0° | 0 mm | 2 | |
| 14 Jan. | Patchy rain possible | 7° /0° | 0.2 mm | 3 | |
| 15 Jan. | Patchy rain possible | 9° /1° | 0.4 mm | 3 | |
| 16 Jan. | Patchy rain possible | 10° /3° | 0.4 mm | 3 | |
| 17 Jan. | Light rain shower | 10° /3° | 2.9 mm | 3 | |
| 18 Jan. | Patchy rain possible | 13° /4° | 1.6 mm | 4 | |
| 19 Jan. | Patchy rain possible | 11° /2° | 0.3 mm | 3 | |
| 20 Jan. | Sunny | 5° /0° | 0 mm | 3 | |
| 21 Jan. | Patchy rain possible | 12° /5° | 0.4 mm | 0.3 | |
| 22 Jan. | Patchy rain possible | 8° /4° | 4.3 mm | 0 | |
| 23 Jan. | Patchy rain possible | 13° /8° | 1.4 mm | 0.1 | |
| 24 Jan. | Patchy rain possible | 14° /7° | 0.3 mm | 0.3 | |
| 25 Jan. | Sunny | 14° /6° | 0 mm | 0.5 | |
| 26 Jan. | Patchy rain possible | 13° /6° | 0.7 mm | 2 | |
| 27 Jan. | Patchy rain possible | 12° /8° | 1.4 mm | 2 | |
| 28 Jan. | Partly cloudy | 13° /6° | 0 mm | 3 | |
| 29 Jan. | Patchy rain possible | 12° /6° | 4.7 mm | 2 | |
| 30 Jan. | Patchy rain possible | 12° /8° | 0.3 mm | 3 | |
| 31 Jan. | Sunny | 12° /4° | 0 mm | 3 | |
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Siena in January - FAQ
What to pack to Siena in January?
As you prepare for your trip to Siena in January, 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 January, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
January rainfall patterns in Siena
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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.