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Marin County
Top activities in Marin County
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Marin County Weather and climate
Data source：Meteostat
Update date：2025-09
Marin County year round climate
- Spring (March–May): Average 11.4–15.7°C, mild climate, gradually decreasing rainfall, and increasingly sunny days. Common activities: Hiking, cycling, flower viewing. Recommended clothing: Light jacket, long-sleeved shirt, comfortable casual shoes.
- Summer (June–August): Average 18.2–19.8°C, dry and less rain, abundant sunshine, the best season for outdoor activities. Common activities: Beach activities, camping, hiking. Recommended clothing: Short-sleeved shirts, shorts, sandals, sunscreen is a must.
- Autumn (September–November): Average 16.4–10.9°C, gradually decreasing temperature, rainfall begins to increase. Common activities: Autumn scenery viewing, winery visits. Recommended clothing: Light jacket, long-sleeved shirt, comfortable shoes.
- Winter (December–February): Average 9.7–10.1°C, lower temperatures, more rainfall, occasional drizzle. Common activities: Indoor activities, museum visits. Recommended clothing: Warm jacket, sweater, waterproof jacket, and warm shoes.
Marin County climatological average
Annual average temperature: approx. 14.5°C / Annual rainfall: approx. 738 mm / Summer humidity: 60%–70% / Rainiest month: December
Marin County monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
10.1°C
175.1
February
9.8°C
101.7
March
11.4°C
105.3
April
13.5°C
27.8
May
15.7°C
20.2
June
18.2°C
2.8
July
19.5°C
2.5
August
19.8°C
0.5
September
18.6°C
21.9
October
16.4°C
7.3
November
10.9°C
91.8
December
9.7°C
181.2
Marin County weather for the next seven days
10/28
Tuesday
Sunny
27.2°C/10.9°C
10/29
Wednesday
Sunny
30°C/8.1°C
10/30
Thursday
Mist
16.1°C/9.8°C
10/31
Friday
Cloudy
21.6°C/8.5°C
11/1
Saturday
Sunny
23.1°C/12.2°C
11/2
Sunday
Sunny
23.4°C/12.8°C
11/3
Monday
Sunny
25°C/14.7°C
