Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
August verdict
Very good for holiday weather
Average highs sit around 29°C, giving warm days by monthly-average standards. Sunshine averages 10h per day, so bright days are a strong part of the month. Rainfall averages 4mm, which is relatively low for holiday planning.
Monthly averages
Temp
29°C
Rain
4mm
Sun
10h
Sea
12°C
Weather score
72
Very good
Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
Drier
Rainfall averages 4mm, which is relatively low for holiday planning.
Bright
Sunshine averages 10h per day, so bright days are a strong part of the month.
Cool sea
Sea temperatures average 12°C, so the water can feel cool.
Map
Compare Calistoga, California, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
August29°C average high
August is one of Calistoga's warmest months, with daytime heat above the yearly average.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
August4mm average rain
August is one of Calistoga's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsApril to October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
August10 hours average sun
August is brighter than Calistoga's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsApril to August
This stretch has the strongest sunshine in the monthly averages.
August12°C average sea
August sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJanuary and August to December
Sea temperatures are usually near 12°C in this stretch, so swimming comfort is at its strongest.
August72 weather score
August is one of Calistoga's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsMay to September
These months have the strongest weather score in the monthly averages.