Williams (CA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Williams.
Climate overview of Williams
The climate in Williams, California, United States of America, is marked by large temperature swings across the seasons, ranging from 35°C (95°F) in July to 13°C (55°F) in December.
The city tends toward dry conditions, with around 399 mm (16 in) of rainfall per year. It does, however, have a distinct dry season from April to October, with very warm summers and mild winters.
Williams Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Williams - and find the best time to visit.
Monthly Temperature in Williams
In Williams, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a very warm 35°C (95°F) in July to a moderate 13°C (55°F) in the coolest month, December.
Nights vary from 16°C (61°F) in July to around 3°C (37°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Williams
Williams typically sees modest rainfall throughout the year, with an average annual precipitation of 399 mm (16 in). The climate in Williams shows significant variation throughout the year. Expect moderate rainfall in December, the wettest month, with an average of 76 mm (3 in) of precipitation over 10 rainy days.
In contrast, the driest month August offers drier and sunnier days, with around 0.3 mm (0.01 in) of rainfall over 0 rainy days. For more details, please visit our Williams Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Williams
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: March, April, May and October
- Warmest weather: July and August
- Fewest rainy days: June, July, August and September
- Seasonal pattern: A distinct dry season from April to October, with very warm summers and mild winters
Frequently asked questions about the climate in Williams
What is the best time to visit Williams?
March, April, May and October typically offer the most optimal weather in Williams. In contrast, July and August tend to have less optimal conditions. Williams has a distinct dry season from April to October, with very warm summers and mild winters.
What temperatures can I expect in Williams?
Daytime highs range from 13°C (55°F) in December to 35°C (95°F) in July. Nighttime lows range from 3°C (37°F) to 16°C (61°F). Temperatures vary considerably through the year.
How much rain does Williams get?
Annual rainfall is around 399 mm (16 in). December is the wettest month with 76 mm (3 in), while August is the driest with 0.3 mm (0.01 in).
Williams 3-Day Forecast
Williams (CA) 3-Day Forecast
Williams on the map
Williams 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.