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Weather in San Marino for December 2025

Your guide to San Marino weather in December - trends and predictions

    Temperatures

  • Until now, December 2025 in San Marino has been nearly identical to the historical average, with a temperature of 11.3 °C (showing only a slight deviation of 0.5 °C).

  • The forecast for the next days in San Marino predicts temperatures to be around 12 °C, close to the historical average.

  • In general, the average temperature in San Marino at the beginning of December is 10.7 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 11.1 °C by the end of December.

    • Rain 🌧️

  • The climate of San Marino in December is notably wet, with an average of 13 rainy days, and a total of 141.2 mm of precipitation.

Average dry days
18
Dry days
Average rainy days
13
Rainy days
Average snowy days
0
Snow days
Average temperatures
10°/6°
Temperatures
Average wind speed
22 km/h
Avg max wind
Average humidity
71 %
Avg humidity

San Marino Weather December

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

Temperatures trend during December in San Marino

See the weather trend as well as the moving average line

December weather in San Marino day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
1 Dec. Patchy rain possible
Patchy rain possible
 11° /7° 0.4 mm 3
2 Dec. Patchy rain possible
Patchy rain possible
 11° /8° 0 mm 3
3 Dec. Light drizzle
Light drizzle
 11° /7° 0.8 mm 3
4 Dec. Patchy rain possible
Patchy rain possible
 10° /8° 1.3 mm 3
5 Dec. Cloudy
Cloudy
 11° /8° 0.1 mm 3
6 Dec. Overcast
Overcast
 11° /7° 0 mm 4
7 Dec. Patchy rain possible
Patchy rain possible
 10° /6° 0.1 mm 3
8 Dec. Light rain
Light rain
 11° /6° 7 mm 4
9 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 11° /7° 14.2 mm 3
10 Dec. Moderate rain
Moderate rain
 10° /7° 12.2 mm 3
11 Dec. Patchy rain possible
Patchy rain possible
 11° /7° 0.3 mm 3
12 Dec. Patchy rain possible
Patchy rain possible
 11° /7° 0.1 mm 3
13 Dec. Light drizzle
Light drizzle
 11° /8° 1 mm 4
14 Dec. Thundery outbreaks possible
Thundery outbreaks possible
 10° /7° 1.4 mm 3
15 Dec. Sunny
Sunny
 11° /8° 0 mm 0.2
16 Dec. Overcast
Overcast
 12° /10° 0 mm 0.1
17 Dec. Patchy rain possible
Patchy rain possible
 10° /10° 3.8 mm 0
18 Dec. Cloudy
Cloudy
 13° /10° 0 mm 0.2
19 Dec. Patchy rain possible
Patchy rain possible
 12° /10° 0.3 mm 0.2
20 Dec. Patchy rain possible
Patchy rain possible
 11° /11° 0.1 mm 3
21 Dec. Patchy rain possible
Patchy rain possible
 12° /11° 0.6 mm 3
22 Dec. Patchy rain possible
Patchy rain possible
 11° /10° 0.3 mm 3
23 Dec. Partly cloudy
Partly cloudy
 12° /9° 0 mm 4
24 Dec. Partly cloudy
Partly cloudy
 12° /9° 0 mm 4
25 Dec. Patchy rain possible
Patchy rain possible
 11° /9° 0.2 mm 3
26 Dec. Overcast
Overcast
 12° /10° 0 mm 3
27 Dec. Overcast
Overcast
 11° /9° 0 mm 3
28 Dec. Overcast
Overcast
 12° /11° 0 mm 3
29 Dec. Sunny
Sunny
 10° /7° 0 mm 4
30 Dec. Sunny
Sunny
 10° /8° 0 mm 4
31 Dec. Partly cloudy
Partly cloudy
 12° /8° 0 mm 4
Next
Important Notice
Our weather forecast for San Marino 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 Marino forecast closer to your planned date for the most up-to-date weather information.
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San Marino in December - FAQ

What are the expected maximum and minimum temperatures in San Marino during December?
During December, expect a variety of temperatures with highs around 10° and lows near 6°, suitable for diverse activities and preferences.
How much rainfall should be expected in San Marino during December?
Significant rainfall exceeding 141.2 mm is expected in San Marino during December, occurring over more than 13 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in San Marino during December?
The average wind speed in San Marino during December is 22 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in San Marino

Explore the daily rainfall trends and prepare for San Marinos December weather 💧
Typically, San Marino has 13 rainy days in December with a total of 141.2 mm of rainfall.
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Get accurate weather forecasts for San Marino, located at latitude 43.937 and longitude 12.446. Stay updated with localized weather information tailored for San Marino.

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