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Vallejo

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Vallejo Weather and climate

Data source:Meteostat
Update date:2025-09

Vallejo year round climate
  • Spring (March–May): Average 11–15°C, mild climate, gradually decreasing rainfall, increasing sunny days. Common activities: Outdoor excursions, flower viewing, museum visits. Recommended clothing: Light jacket, long-sleeved shirt, comfortable shoes.
  • Summer (June–August): Average 17–19°C, warm and dry climate, abundant sunshine, very little rainfall. Common activities: Beach activities, picnics, outdoor sports. Recommended clothing: Short-sleeved shirts, shorts, sun hat, sunscreen.
  • Autumn (September–November): Average 11–17°C, comfortable and pleasant climate, larger temperature difference between morning and evening, gradually increasing rainfall. Common activities: Viewing red leaves, cycling, tasting local cuisine. Recommended clothing: Light jacket, long-sleeved shirt, comfortable shoes.
  • Winter (December–February): Average 9–10°C, cold and humid climate, relatively high rainfall. Common activities: Indoor activities, museum visits, shopping. Recommended clothing: Warm jacket, sweater, scarf, gloves.
Vallejo climatological average

Annual average temperature: approx. 14°C / Annual rainfall: approx. 565 mm / Summer humidity: 60%–70% / Rainiest month: December

Vallejo monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
9.8°C
116.6
February
9.5°C
72.9
March
11°C
99.7
April
13°C
26.4
May
15.4°C
17.2
June
17.9°C
0.7
July
18.8°C
0.1
August
19.5°C
0
September
18.8°C
6.4
October
16.6°C
3
November
11.2°C
64.6
December
9.7°C
157.9
Vallejo weather for the next seven days
10/29
Wednesday
Sunny
30°C/11.7°C
10/30
Thursday
Mist
15.7°C/11.1°C
10/31
Friday
Mist
22.3°C/8.5°C
11/1
Saturday
Sunny
24.9°C/15°C
11/2
Sunday
Sunny
25.4°C/13.7°C
11/3
Monday
Sunny
27.8°C/16.4°C
11/4
Tuesday
Sunny
27°C/16.5°C