Get Exclusive App Deals
English
  1. Home
  2. United States
  3. California
  4. Marin County

Marin County

Travel Info

Top 10 Must-Do Experiences and Attractions in Marin County

Latest launches and promotions in Marin County

Recommended travel destinations near Marin County

More destinations

Marin County Weather, Climate and Best Time to Visit

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

12/13
Saturday
Partly Cloudy
17.9°C/4.3°C
12/14
Sunday
Mist
12.9°C/4.3°C
12/15
Monday
Mist
16.6°C/5.1°C
12/16
Tuesday
Patchy rain nearby
17.9°C/11.1°C
12/17
Wednesday
Patchy rain nearby
17.6°C/9.4°C
12/18
Thursday
Overcast
15.2°C/9.3°C
12/19
Friday
Patchy rain nearby
14.3°C/10.1°C

Marin County Frequently Asked Questions and Useful Information for Travel

Best time to visit Marin County?

The best times to visit Marin County are spring and fall, when the weather is pleasant and perfect for outdoor activities.

A must-visit attraction in Marin County?

Must-visit attractions in Marin County include the St. Johns River, the Duvern County Museum, and several beaches.