The weather plays a huge role here.
Local Climate
Vallejo enjoys a mild, mediterranean climate year-round with gentle breezes off our waterfront. The average temperature ranges from a low of 48°F to a high of 70°F. The climate mirrors that of San Francisco, but with temperatures typically ten degrees warmer. Average annual rainfall is 18 inches, falling primarily between October through April. Dress is casual year-round and layered clothing is recommended.The average winter temperature is 47.0°F.