Cool
Average highs are around 20°C, so pack for cooler days.
April verdict
Mixed for holiday weather
Average highs are around 20°C, so pack for cooler days. Sunshine averages 10h per day, so bright days are a strong part of the month. Rainfall averages 58mm, which is relatively low for holiday planning.
Monthly averages
Temp
20°C
Rain
58mm
Sun
10h
Sea
11°C
Weather score
47
Mixed
Cool
Average highs are around 20°C, so pack for cooler days.
Drier
Rainfall averages 58mm, 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 11°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.
April20°C average high
April is close to Calistoga's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
April58mm average rain
April sits on the drier side of Calistoga's year, which helps with sightseeing and transfers.
Driest monthsApril to October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
April10 hours average sun
April 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.
April11°C average sea
April is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJanuary and August to December
Sea temperatures are usually near 12°C in this stretch, so swimming comfort is at its strongest.
April47 weather score
April sits close to Calistoga's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsMay to September
These months have the strongest weather score in the monthly averages.