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
1/19
Monday
Patchy rain nearby
5.4°C/-0.2°C
1/20
Tuesday
Patchy rain nearby
4.3°C/2.4°C
1/21
Wednesday
Overcast
6.7°C/1.6°C
1/22
Thursday
Patchy rain nearby
5°C/3.2°C
1/23
Friday
Partly Cloudy
7.6°C/2.5°C
1/24
Saturday
Partly Cloudy
6.9°C/0.7°C
1/25
Sunday
Partly Cloudy
7.7°C/1.6°C
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