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San Millan

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San Millan Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

San Millan year round climate

  • Spring (March–May): Average 9.6–14.2°C, mild climate with moderate rainfall, suitable for outdoor activities. Common activities: Hiking, visiting historical sites. Recommended clothing: Light jacket, comfortable long pants or skirt.
  • Summer (June–August): Average 18.4–21.4°C, warm and dry climate with abundant sunshine. Common activities: Hiking, cycling, exploring natural landscapes. Recommended clothing: Short-sleeved clothing, light shorts, hat and sunscreen.
  • Autumn (September–November): Average 10.4–17.4°C, comfortable and pleasant climate with increased rainfall. Common activities: Enjoying autumn scenery, savoring local cuisine. Recommended clothing: Light jacket, long-sleeved shirts and pants.
  • Winter (December–February): Average 5.6–7.5°C, cold and humid climate with more rainfall. Common activities: Indoor activities, visiting museums, enjoying cozy indoor time. Recommended clothing: Warm jacket, scarf, hat, gloves.

San Millan climatological average

Annual average temperature: approx. 13.2°C / Annual rainfall: approx. 606 mm / Summer humidity: 60%–70% / Rainiest month: January

San Millan monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
5.6°C
85.3
February
6.4°C
57.7
March
9.6°C
42
April
10.8°C
40.3
May
14.2°C
40
June
18.4°C
50.3
July
20.3°C
14.7
August
21.4°C
20
September
17.4°C
35.3
October
16°C
80
November
10.4°C
73
December
7.5°C
68

San Millan weather for the next seven days

12/14
Sunday
Partly Cloudy
10°C/3.1°C
12/15
Monday
Cloudy
11.9°C/5.2°C
12/16
Tuesday
Patchy rain nearby
9.8°C/6.9°C
12/17
Wednesday
Moderate rain
8.9°C/5.2°C
12/18
Thursday
Mist
12.1°C/4.5°C
12/19
Friday
Patchy rain nearby
7.7°C/5.3°C
12/20
Saturday
Patchy rain nearby
7.6°C/1.7°C