weathercrisp.com
Siena
AcirealeAgrigentoAlgheroAmalfiAnconaAostaArezzoAssisiBariBellagioBergamoBolognaBormioBrenneroBresciaBrindisiCagliariCapriCataniaCefalùCivitavecchiaCologneComoCortina d'AmpezzoCortonaDolomiti Golf ClubFlorenceFoggiaGallipoliGardaGenoaIschiaLa SpeziaLago di ComoLago di GardaLecceLevanzoLivornoLuccaMalcesineMarsalaMateraMeranoMessinaMilanModenaMonacoMonterosso al MareMuranoNaplesOlbiaOrtiseiPadovaPalermoParmaPerugiaPescaraPisaPompeiPortofinoPositanoPratoProcidaPugliaRagusaRavennaReggio CalabriaRiminiRiomaggioreRiva del GardaRomeSalernoSan GimignanoSan Giovanni RotondoSan RemoSan Vito Lo CapoSanta MargheritaSardiniaSiciliSicily
Siena
SiracusaSorrentoStresaTaorminaTarantoTarvisioTermoliTiranoTrentoTrevisoTriesteTriesteTurinVarennaVeneziaVeniceVernazzaVeronaViareggioVolterra More Locations
Italy weather

Weather in Siena for January 2027

Your guide to Siena weather in January - trends and predictions

    Temperatures

  • In general, the average temperature in Siena at the beginning of January is 9.7 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 11.7 °C by the end of January.

    • Rain 🌧️

  • Siena in January brings notable rainfall, with an average of 19 rainy days and a total precipitation of 79.6 mm.

    • More

  • Is January a good time to visit Siena? check out the best time to travel to Siena page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
12
Dry days
Average rainy days
19
Rainy days
Average snowy days
0
Snow days
Average temperatures
10°/3°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
80 %
Avg humidity

Siena Weather January

Move between months or click on a day
December
February
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Patchy rain possible
9°
2
Patchy rain possible
11°
3
Patchy rain possible
12°
4
Patchy rain possible
10°
5
Patchy rain possible
9°
6
Light rain shower
9°
7
Light drizzle
8°
8
Overcast
8°
9
Light rain shower
11°
10
Patchy rain possible
8°
11
Overcast
8°
12
Overcast
8°
13
Partly cloudy
8°
14
Patchy rain possible
9°
15
Patchy rain possible
9°
16
Patchy rain possible
10°
17
Light rain shower
11°
18
Patchy rain possible
13°
19
Patchy rain possible
11°
20
Sunny
7°
21
Overcast
8°
22
Partly cloudy
9°
23
Overcast
10°
24
Overcast
11°
25
Sunny
12°
26
Partly cloudy
12°
27
Sunny
13°
28
Light rain shower
12°
29
Light rain shower
11°
30
Overcast
11°
31
Overcast
11°

Temperatures trend during January in Siena

See the weather trend as well as the moving average line

January weather in Siena day by day

Click on a date for more information
December February
Date Weather Temperatures Rain UV More
1 Jan. Patchy rain possible
Patchy rain possible
 9° /3° 2.1 mm 2
2 Jan. Patchy rain possible
Patchy rain possible
 11° /4° 0.3 mm 2
3 Jan. Patchy rain possible
Patchy rain possible
 12° /4° 0.6 mm 2
4 Jan. Patchy rain possible
Patchy rain possible
 10° /3° 4.6 mm 2
5 Jan. Patchy rain possible
Patchy rain possible
 9° /3° 1.1 mm 2
6 Jan. Light rain shower
Light rain shower
 9° /5° 11.1 mm 2
7 Jan. Light drizzle
Light drizzle
 8° /3° 1 mm 2
8 Jan. Overcast
Overcast
 8° /0° 0.1 mm 2
9 Jan. Light rain shower
Light rain shower
 11° /3° 2 mm 2
10 Jan. Patchy rain possible
Patchy rain possible
 8° /2° 1.7 mm 2
11 Jan. Overcast
Overcast
 8° /1° 1.1 mm 1
12 Jan. Overcast
Overcast
 8° /0° 0 mm 2
13 Jan. Partly cloudy
Partly cloudy
 8° /1° 0 mm 1
14 Jan. Patchy rain possible
Patchy rain possible
 9° /2° 0.1 mm 2
15 Jan. Patchy rain possible
Patchy rain possible
 9° /3° 0.3 mm 2
16 Jan. Patchy rain possible
Patchy rain possible
 10° /4° 0.4 mm 2
17 Jan. Light rain shower
Light rain shower
 11° /3° 1.9 mm 2
18 Jan. Patchy rain possible
Patchy rain possible
 13° /4° 1.6 mm 4
19 Jan. Patchy rain possible
Patchy rain possible
 11° /2° 0.2 mm 2
20 Jan. Sunny
Sunny
 7° /1° 4.4 mm 2
21 Jan. Overcast
Overcast
 8° /0° 0 mm 1
22 Jan. Partly cloudy
Partly cloudy
 9° /1° 0.6 mm 2
23 Jan. Overcast
Overcast
 10° /4° 2.2 mm 2
24 Jan. Overcast
Overcast
 11° /4° 5.9 mm 2
25 Jan. Sunny
Sunny
 12° /4° 6.3 mm 3
26 Jan. Partly cloudy
Partly cloudy
 12° /3° 3 mm 2
27 Jan. Sunny
Sunny
 13° /3° 0.5 mm 3
28 Jan. Light rain shower
Light rain shower
 12° /5° 19.1 mm 2
29 Jan. Light rain shower
Light rain shower
 11° /3° 3.6 mm 2
30 Jan. Overcast
Overcast
 11° /2° 2.7 mm 2
31 Jan. Overcast
Overcast
 11° /3° 1.1 mm 2
Next
Important Notice
Our weather forecast for Siena in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Siena forecast closer to your planned date for the most up-to-date weather information.
Change Month
‹
›

Siena weather in January vs December vs February

Compare January weather in Siena with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
DecemberJanuaryFebruary
WeatherSunny
Sunny
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures10°/4°10°/3°12°/5°
Rainfall58 mm80 mm90 mm
Wind10 km/h14.1 km/h12.6 km/h
Humidity79%80%80%
Rainy days14 days19 days18 days
Dry days17 days12 days11 days

Planning a trip to Siena? Discover the best time to visit

Siena in January - FAQ

What are the expected maximum and minimum temperatures in Siena during January?

Prepare for cooler days with highs just around 10° and colder nights, dipping below 3°.

How much rainfall should be expected in Siena during January?

Moderate rainfall is anticipated in Siena during January, with a total of 79.6 mm spread over approximately 19 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in Siena during January?

The average wind speed in Siena during January is 14 km/h, suggesting breezy to windy conditions, depending on your activities.

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 trousers
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
  • 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

Explore the daily rainfall trends and prepare for Sienas January weather 💧
Typically, Siena has 19 rainy days in January with a total of 79.6 mm of rainfall.

Quick links

More Siena weather pages
You are here
Location coordinates 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.

Found a mistake?
We appreciate your attention to details. Tell us here.