Best Time to Visit Vallejo
Best time: Jul, Jun, Aug, May.
Jul is warmest (30.2°C high); Jan is rainiest (144 mm).
Vallejo weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | 13.3 | 3.9 | 144 | 3 |
| Feb | 16.6 | 5.6 | 125 | 4.3 |
| Mar | 18.6 | 6.7 | 99 | 6.8 |
| Apr | 21.6 | 7.6 | 35 | 9 |
| May | 24.9 | 10 | 16 | 10.7 |
| Jun | 28 | 11.9 | 4 | 12.1 |
| Jul | 30.2 | 13.1 | 1 | 12.1 |
| Aug | 30.1 | 13.1 | 2 | 10.7 |
| Sep | 28.5 | 12.1 | 8 | 8.8 |
| Oct | 25 | 9.8 | 36 | 6.2 |
| Nov | 18.2 | 6.3 | 97 | 3.9 |
| Dec | 13.3 | 3.7 | 105 | 2.8 |
Average high temperature
Best months by activity
Overall: JulJunAugMay
Beaches: JulAugJunSep
Hiking: JunJulMayAug
Sightseeing: JulJunAugMay
Vallejo quick facts
What to pack
Wet months (Jan, Feb, Mar, Nov, Dec): raincoat and umbrella.
Frequently asked questions
When is the best time to visit Vallejo?
Jul, Jun, Aug, May.
What is the rainiest month?
Jan, about 144 mm.
What is the warmest month?
Jul, with average highs of 30.2°C.
Where to stay
See Vallejo hotels · Book Vallejo tours & activities
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Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.