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Monterey County

Monterey County 1
Travel guide
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Travel guide
Monterey County 2
Monterey County 3
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Best time to visit Monterey County

Data source:Meteostat
Last updated:2025-09

Weather in Monterey County throughout the year

  • 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.

Weather in Monterey County

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

Monterey County weather by month

Month
Temperature (°C)
Rainfall (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

7-day weather forecast for Monterey County

10/28
Wednesday
Overcast
21.8°C/6.2°C
10/29
Thursday
Overcast
21.1°C/10°C
10/30
Friday
Overcast
20.5°C/8.8°C
10/31
Saturday
Overcast
18.8°C/8.2°C
11/1
Sunday
Sunny
24.2°C/7.8°C
11/2
Monday
Sunny
21.2°C/7.7°C
11/3
Tuesday
Sunny
24.7°C/9.8°C