Climate normals · 1970–2000
Vallejo Climate
Vallejo is a city in United States (CA) with a population of about 121,692. Its average annual temperature is 15.3°C (60°F), with roughly 680 mm of rain per year.
15.3°C
Avg Temp
680
Precip (mm/yr)
Jul
Hottest Month
Dec
Coldest Month
Vallejo Climate
Vallejo has an average annual temperature of 15.3°C (60°F) and receives about 680 mm of precipitation per year. The warmest month is July and the coldest is December. Figures are 1970–2000 climate normals.
15.3°C
Avg Temp
680
Precip (mm/yr)
Jul
Hottest Month
Dec
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 9° / 47° | 147 mm |
| February | 11° / 52° | 127 mm |
| March | 13° / 55° | 100 mm |
| April | 15° / 58° | 34 mm |
| May | 17° / 63° | 16 mm |
| June | 20° / 67° | 4 mm |
| July | 21° / 70° | 1 mm |
| August | 21° / 70° | 2 mm |
| September | 20° / 68° | 8 mm |
| October | 17° / 63° | 36 mm |
| November | 12° / 54° | 98 mm |
| December | 8° / 47° | 107 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Vallejo
The most comfortable months to visit Vallejo are typically August, July and September, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 30°C high). The coldest is December (near 4°C low). January is usually the wettest month.
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Frequently Asked Questions
The most comfortable months to visit Vallejo are typically August, July and September, when temperatures are mildest and rainfall is relatively low (1970–2000 climate normals).
Vallejo, United States has an average annual temperature of 15.3°C and about 680 mm of precipitation per year. The warmest month is July and the coldest is December.
In July, the hottest month, daily highs in Vallejo average about 30°C (85°F).
Monthly climate normals (1970–2000) sampled from WorldClim 2.1 at ~9 km resolution. Humidity derived from vapor pressure. City coordinates and population from GeoNames.