Historic Vallejo City Hall and county building

Weather · August

Vallejo weather in August

Average highs of 86°F, lows of 56°F and 0.00 in of rain, from 30 years of weather records.

August is Vallejo’s 2nd warmest month, with average highs of 86°F and lows of 56°F. That is 1° warmer than July, and 12° above the yearly average high.

Average high
86°F
Average low
56°F
Precipitation
0.00 in
Sunrise · sunset
6:23 AM · 8:03 PM

August across the year

  1. 57°42°Jan
  2. 63°45°Feb
  3. 68°46°Mar
  4. 73°47°Apr
  5. 78°51°May
  6. 83°54°Jun
  7. 85°56°Jul
  8. 86°56°Aug
  9. 86°57°Sep
  10. 79°54°Oct
  11. 66°47°Nov
  12. 58°42°Dec

High and low Rain

What to wear in August

  • Warm days: shorts and T-shirts, with a light layer for cooler evenings.

August is good for

Around Vallejo

Marquee of Empress theater in Vallejo
Marquee of Empress theater in VallejoKiddo27 · CC BY-SA 4.0
Vallejo Veterans Memorial Building cantina
Vallejo Veterans Memorial Building cantinaRightCowLeftCoast · CC BY 4.0
Aerial view of Vallejo in September 2022
Aerial view of Vallejo, September 2022Pi.1415926535 · CC BY-SA 4.0

See Vallejo

A look around town before you go.

August compared with the months around it

MonthHighLowRain
July85°F56°F0.00 in
August86°F56°F0.00 in
September86°F57°F0.10 in

Planning a trip? See the best time to visit Vallejo and today’s forecast.

Questions

How hot does it get in Vallejo in August?

Average highs are 86°F and average lows 56°F, for a daily mean of 71°F. Individual days run hotter or colder than these 30-year averages.

Does it rain in Vallejo in August?

August averages 0.00 in of precipitation. It is the 12th wettest month of the year.

What time is sunset in Vallejo in August?

Around mid-August the sun rises about 6:23 AM and sets about 8:03 PM, for roughly 13.7 hours of daylight.

Is August a good time to visit Vallejo?

The mildest months for visiting are May, June, October. August is warm.

NOAA U.S. Climate Normals 1991–2020, Vallejo station (2.8 mi from downtown). Sunrise and sunset are calculated for August 15 at the city’s coordinates.

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