Calistoga (CA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Calistoga.
Climate overview of Calistoga
Calistoga, California, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 32°C (90°F) in July, while winters cool to 14°C (57°F) in December.
Calistoga sees a moderate amount of rainfall, totalling around 866 mm (34 in) per year. It experiences a distinct dry season from May to September, with very warm summers and mild winters, creating some seasonal variation. The most sunshine falls in May, with an average of 10.3 hours of daily sunshine.
Calistoga Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Calistoga - and find the best time to visit.
Monthly Temperature in Calistoga
Depending on the time of the year, temperatures range from very warm to moderate in Calistoga. Average maximum daytime temperatures range from a very warm 32°C (90°F) in July, the warmest time of the year, to a moderate 14°C (57°F) during cooler months like December.
At night, you can expect temperatures ranging from 13°C (55°F) in July to around 3°C (37°F) during December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Calistoga
Generally, Calistoga has a moderate amount of precipitation, averaging 866 mm (34 in) of rainfall annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, December it receives heavy rainfall, averaging 183 mm (7.2 in) of precipitation, recorded across 13 rainy days. In contrast, the driest month August brings less rainfall, with 0.1 mm (0 in) over 0 rainy days. For more details, please visit our Calistoga Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Calistoga
Seasonal changes in sunshine hours are quite dramatic in Calistoga. While May receives considerable daily sunshine with up to 10.3 hours, December marks the darkest time of the year, where sunshine is scarce with only 5.3 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Best Time to Visit Calistoga
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: April, May and October
- Warmest weather: July, August and September
- Most sunshine: April, May, June and July
- Fewest rainy days: June, July, August and September
- Wettest months: January, February, March, November and December, when rainfall is highest.
- Seasonal pattern: A distinct dry season from May to September, with very warm summers and mild winters
Frequently asked questions about the climate in Calistoga
What is the best time to visit Calistoga?
April, May and October typically offer the most optimal weather in Calistoga. In contrast, December tends to have less optimal conditions. Calistoga has a distinct dry season from May to September, with very warm summers and mild winters.
What temperatures can I expect in Calistoga?
Daytime highs range from 14°C (57°F) in December to 32°C (90°F) in July. Nighttime lows range from 3°C (37°F) to 13°C (55°F). Temperatures vary considerably through the year.
How much rain does Calistoga get?
Annual rainfall is around 866 mm (34 in). December is the wettest month with 183 mm (7.2 in), while August is the driest with 0.1 mm (0 in).
How sunny is Calistoga?
Calistoga receives around 3,042 hours of sunshine per year. May is the sunniest month with 310 hours, while December is the cloudiest with just 160 hours. Overall, Calistoga enjoys abundant sunshine.
Calistoga 3-Day Forecast
Calistoga (CA) 3-Day Forecast
Calistoga on the map
Calistoga is highlighted - select any city to see its climate.
Popular this month
Where to go in July - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
The 10 most alternative cities in the United States
Discover the top 10 fun and alternative U.S. cities rich in art, culture, and adventure. From Portland's hippy charm to Sedona's stunning landscapes.
Sedona: Explore Majestic Red Rock Landscapes
A picturesque artists' town surrounded by red rocks and known for its spirituality, vortex energy, and stunning hikes like Cathedral Rock.
10 most idyllic villages to visit in the United States
Discover 10 idyllic villages in the USA, from California to Vermont. Explore their unique charm, rich history, stunning nature, and vibrant arts scenes.