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Monterey County

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Monterey County Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Monterey County year round climate

  • Spring (March–May): Average 10.7–16.4°C, mild and comfortable climate with very little rainfall. Common activities: Hiking, flower viewing, whale watching. Suggested clothing: Light jacket, long-sleeved shirt, comfortable shoes.
  • Summer (June–August): Average 21.8–26.3°C, dry and warm climate with abundant sunshine. Common activities: Beach relaxation, water sports, exploring the Monterey Peninsula. Suggested clothing: Light and breathable clothing, sun hat, sunscreen.
  • Autumn (September–November): Average 20.0–11.4°C, pleasant climate with a larger temperature difference between morning and evening, very little rainfall. Common activities: Wine tasting, visiting art galleries, enjoying autumn scenery. Suggested clothing: Light jacket or cardigan, long-sleeved shirt.
  • Winter (December–February): Average 9.6–11.0°C, cool climate with occasional rainfall, but still low overall rainfall. Common activities: Whale watching, exploring the Monterey Bay Aquarium, enjoying indoor activities. Suggested clothing: Warm jacket, sweater, comfortable shoes.

Monterey County climatological average

Annual average temperature: approx. 16.4°C / Annual rainfall: approx. 14 mm / Summer humidity: 60%–70% / Rainiest month: February

Monterey County monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
9.9°C
2.6
February
9.6°C
5.6
March
10.7°C
2.8
April
13.2°C
0.8
May
16.4°C
0.3
June
21.8°C
0
July
26.3°C
0
August
23.8°C
0
September
22.5°C
0
October
20°C
0
November
11.4°C
1.4
December
11°C
1.4

Monterey County weather for the next seven days

12/8
Monday
Sunny
23.7°C/7.5°C
12/9
Tuesday
Sunny
23.1°C/8.6°C
12/10
Wednesday
Sunny
24°C/5.2°C
12/11
Thursday
Sunny
22.4°C/8.7°C
12/12
Friday
Sunny
23.3°C/9.9°C
12/13
Saturday
Sunny
23.4°C/12.8°C
12/14
Sunday
Partly Cloudy
22.1°C/10.1°C