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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 51–61°F, 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 71–79°F, 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 68–52°F, 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 49–51°F, 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. 61.5°F / Annual rainfall: approx. 14 mm / Summer humidity: 60%–70% / Rainiest month: February

Monterey County monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
49.8°F
2.6
February
49.3°F
5.6
March
51.3°F
2.8
April
55.8°F
0.8
May
61.5°F
0.3
June
71.2°F
0
July
79.3°F
0
August
74.8°F
0
September
72.5°F
0
October
68°F
0
November
52.5°F
1.4
December
51.8°F
1.4

Monterey County weather for the next seven days

12/20
Saturday
Sunny
73.4°F/49.5°F
12/21
Sunday
Overcast
59.7°F/49.5°F
12/22
Monday
Overcast
57.6°F/53.2°F
12/23
Tuesday
Patchy rain nearby
56.3°F/51.2°F
12/24
Wednesday
Moderate rain
60.4°F/44.8°F
12/25
Thursday
Moderate rain
54.9°F/42.8°F
12/26
Friday
Patchy rain nearby
56.1°F/43.6°F