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Weather in San Sebastián de los Reyes for December 2025

Your guide to San Sebastián de los Reyes weather in December - trends and predictions

    Official Weather Alert ⚠️

  • Yellow Snow Warning - See hour by hour.

    • Snow Forecast ❄️

  • Snowfall in San Sebastián de los Reyes during December is quite rare, with fewer than 2 snowy days on average.
    According to San Sebastián de los Reyes snow forecast for December 2025, 3 snowy days are expected until the end of the month. The closest date with snow is Sunday, 21 December.

    • Temperatures

  • Until now, December 2025 in San Sebastián de los Reyes is slightly cooler than the historical average by -0.8 °C.

  • Expect cooler weather in the next days in San Sebastián de los Reyes with the forecast suggesting a temperature of 8.6 °C, lower than the historical average.

  • In general, the average temperature in San Sebastián de los Reyes at the beginning of December is 11.4 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 8.4 °C by the end of December.

    • Rain 🌧️

  • With an average of 4 rainy days, San Sebastián de los Reyes experiences minimal rainfall in December.

    • More

  • Is December a good time to visit San Sebastián de los Reyes? check out the best time to travel to San Sebastián de los Reyes page.

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

Average dry days
27
Dry days
Average rainy days
4
Rainy days
Average snowy days
0
Snow days
Average temperatures
10°/4°
Temperatures
Average wind speed
11 km/h
Avg max wind
Average humidity
62 %
Avg humidity

San Sebastián de los Reyes Weather December

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

Temperatures trend during December in San Sebastián de los Reyes

See the weather trend as well as the moving average line

December weather in San Sebastián de los Reyes day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
1 Dec. Partly cloudy
Partly cloudy
 13° /5° 4.7 mm 0 cm
2 Dec. Partly cloudy
Partly cloudy
 11° /5° 0.8 mm 0 cm
3 Dec. Partly cloudy
Partly cloudy
 10° /4° 0.1 mm 0 cm
4 Dec. Patchy rain possible
Patchy rain possible
 11° /5° 1.3 mm 0 cm
5 Dec. Overcast
Overcast
 10° /5° 0.2 mm 0 cm
6 Dec. Overcast
Overcast
 13° /6° 0 mm 0 cm
7 Dec. Moderate rain
Moderate rain
 12° /6° 4.5 mm 0 cm
8 Dec. Partly cloudy
Partly cloudy
 10° /5° 0.7 mm 0 cm
9 Dec. Partly cloudy
Partly cloudy
 11° /4° 0.1 mm 0 cm
10 Dec. Mist
Mist
 10° /6° 3.4 mm 0 cm
11 Dec. Cloudy
Cloudy
 11° /5° 0.1 mm 0 cm
12 Dec. Overcast
Overcast
 10° /5° 0.1 mm 0 cm
13 Dec. Partly cloudy
Partly cloudy
 10° /5° 0.2 mm 0 cm
14 Dec. Sunny
Sunny
 10° /3° 0.1 mm 0 cm
15 Dec. Patchy rain possible
Patchy rain possible
 10° /8° 4.8 mm 0 cm
16 Dec. Moderate rain
Moderate rain
 9° /8° 18.8 mm 0 cm
17 Dec. Patchy rain possible
Patchy rain possible
 13° /8° 0.2 mm 0 cm
18 Dec. Partly cloudy
Partly cloudy
 12° /9° 0.1 mm 0 cm
19 Dec. Patchy rain possible
Patchy rain possible
 9° /8° 0.5 mm 0 cm
20 Dec. Partly cloudy
Partly cloudy
 11° /7° 0.1 mm 0 cm
21 Dec. Patchy rain possible
Patchy rain possible
 5° /3° 4.3 mm 1.1 cm
22 Dec. Sunny
Sunny
 7° /2° 0 mm 0 cm
23 Dec. Sunny
Sunny
 8° /2° 0 mm 0 cm
24 Dec. Overcast
Overcast
 6° /3° 0 mm 0 cm
25 Dec. Partly cloudy
Partly cloudy
 10° /3° 0 mm 0 cm
26 Dec. Patchy rain possible
Patchy rain possible
 5° /2° 1.1 mm 0.1 cm
27 Dec. Moderate rain
Moderate rain
 6° /-1° 7 mm 1.9 cm
28 Dec. Patchy rain possible
Patchy rain possible
 9° /4° 0.2 mm 0 cm
29 Dec. Partly cloudy
Partly cloudy
 10° /3° 0 mm 0 cm
30 Dec. Cloudy
Cloudy
 10° /4° 0 mm 0 cm
31 Dec. Patchy rain possible
Patchy rain possible
 9° /2° 0 mm 0 cm
Next
Important Notice
Our weather forecast for San Sebastián de los Reyes in December 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 San Sebastián de los Reyes forecast closer to your planned date for the most up-to-date weather information.
Change Month
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San Sebastián de los Reyes weather in December vs November vs January

Compare December weather in San Sebastián de los Reyes with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
NovemberDecemberJanuary
WeatherPartly cloudy
Partly cloudy
Sunny
Sunny
Sunny
Sunny
Temperatures15°/9°10°/4°9°/3°
Rainfall21 mm19 mm44 mm
Wind15 km/h10.6 km/h14.9 km/h
Humidity65%62%68%
Rainy days5 days4 days12 days
Dry days25 days27 days19 days

Planning a trip to San Sebastián de los Reyes? Discover the best time to visit

San Sebastián de los Reyes in December - FAQ

What are the expected maximum and minimum temperatures in San Sebastián de los Reyes during December?
Prepare for cooler days with highs just around 10° and colder nights, dipping below 4°.
How much rainfall should be expected in San Sebastián de los Reyes during December?
Expect minimal rainfall in San Sebastián de los Reyes during December, with a total of 18.8 mm over approximately 4 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in San Sebastián de los Reyes during December?
The average wind speed in San Sebastián de los Reyes during December is 11 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to San Sebastián de los Reyes in December?

As you prepare for your trip to San Sebastián de los Reyes in December, 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 San Sebastián de los Reyes, during December, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Warm Clothing: Sweaters, hoodies, long pants
  • Accessories
    • Scarves: To protect you from the cold wind
    • Gloves/Mittens: Essential for cold weather
    • Warm Hats: Warm hats for insulation in cold weather

San Sebastián de los Reyes snow forecast December 2025

Track daily snowfall levels and discover San Sebastián de los Reyes’s snowy potential this December ❄️

December rainfall patterns in San Sebastián de los Reyes

Explore the daily rainfall trends and prepare for San Sebastián de los Reyess December weather 💧
Typically, San Sebastián de los Reyes has 4 rainy days in December with a total of 18.8 mm of rainfall.

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Location coordinates Where is San Sebastián de los Reyes?

Get accurate weather forecasts for San Sebastián de los Reyes, located at latitude 40.556 and longitude -3.627. Stay updated with localized weather information tailored for San Sebastián de los Reyes.

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