Vallejo weather in January (California, United States of America)

How is January weather typically in Vallejo? Use this page to get an overview of the month’s weather conditions.

Temperatures

Typically, January in Vallejo includes moderate temperatures and moderate rainfall. Winter occurs in January. Expect the temperatures during the day to hover around 15°C. At night, they will likely drop to about 4°C.

Precipitation

Vallejo in January usually receives moderate rainfall, averaging around 74 mm for the month. According to historical climate patterns, there are usually around 9 days days of rain.

Average sunshine

The area experiences a moderate amount of sunshine, with approximately 186 hours of sunlight expected. This makes it neither too gloomy nor overly bright.

In case you lean more towards enjoying temperate temperatures and rain-free days April, May, June, July, August, September and October typically offer the most optimal weather. In contrast, December tends to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Vallejo climate page with graphs.

 

Vallejo, monthly averages in January

Min Temperature 4°C  

Max Temperature 15°C  

Chance of Rain 29%  

Precipitation 74 mm  

Rainy days 9 days  

Humidity 80% *  

Sunshine 186 hours *  

Percentage Sunshine 61% *  

Data from: San Francisco, the United States of America (55 KM, 34 Miles).

Where to go 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.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly. Bring a rain jacket in case it rains during your stay.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

9/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Vallejo.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.