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.
Vacaville Weather in January
In Vacaville, January brings moderate daytime temperatures around 15°C (59°F), with nights cooling to 3°C (37°F). Expect quite a bit of rainfall this month.
Rainfall in Vacaville in January
Historically, the month has about 8 days of rain, averaging 85 mm (3.3 in) in total. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Vacaville in January
January in Vacaville brings moderate temperatures, with highs of 15°C (59°F) and nights around 3°C (37°F). January is in the winter season. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights drop to 3°C (37°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Vacaville in January
The month brings about 145 hours of sunlight, offering a comfortable mix of sun and overcast.If your ideal day consists of dry skies and pleasant temperatures, April, May and October typically offer the best circumstances for Vacaville.
Vacaville Temperature in January
Min Temperature
3°C (37°F)
Max Temperature
15°C (59°F)
Chance of Rain
27%
Precipitation
85 mm (3.3 in)
Rainy days
8 days
Humidity
83% *
Sunshine
145 hours *
Percentage Sunshine
48% *
* Data from: Sacramento, the United States of America (49 KM, 30 Miles).
Vacaville Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Vacaville - and find the best time to visit.
Best Places in the United States of America in January
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in January →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Vacaville in January
The weather can be unpredictable in January, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Bring sunglasses since you'll have some sunny periods throughout the month
What To Do in Vacaville in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
-
Swimming5/10 -
Cycling6/10 -
Walking6/10 -
Camping4/10 -
Outdoor sports9/10
Vacaville 3-Day Forecast
More climate data for Vacaville
Temperature Rainfall Sunshine Humidity
See the full Vacaville climate overview or explore weather in the United States of America.
Popular in January
Where to go in January - 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
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.