Summer is going on in Napa Valley in July, with daytime highs going from the 80’s to 90’s. In any case, paying little brain to how rankling it gets during the day, temperatures will reliably chill off essentially during the evenings to the mid 50’s and, shockingly, the 40’s.
In July, the normal temperature in Calistoga is 73 degrees, with a run of the mill high of 92, and a common low of 53 degrees. The normal precipitation in Calistoga for July is 0.03 inches. In case you are needing to watch the fourth of July fireworks, you ought to genuinely consider bringing a light sweater, as chances are phenomenal that temperatures will plunge to the 50’s during the evening.
July generally brings ideal napping environment, and it will be the exceptional night in when you ought to turn on cooling. Also, expecting you are coming from the east or mid-west, and are used to tacky mid year days, you will be pleasantly astounded to find that the pre-summer climate in Napa Valley is exceptionally dry and there is little tenacity.