ClimateForecastJanuaryFebruary >>

Santa Rosa weather in January (California, United States of America)

What kind of temperatures can you expect in Santa Rosa during January? Get all the weather information you need to plan your visit.

Temperatures

Typically, January in Santa Rosa includes moderate temperatures and high rainfall. January marks the winter season. Throughout the daytime, temperatures often hover around 15°C. However, as the sun sets and evening approaches, there's a noticeable cool-down. Temperatures gently drop to a more temperate 4°C.

Precipitation

Santa Rosa in January usually receives high rainfall, averaging around 111 mm for the month. According to historical climate patterns, there are usually around 10 days days of rain.

Average sunshine

With approximately 190 hours hours of sun, the days are filled with brightness. It makes it a perfect month for outdoor activities.

If you're looking for dry conditions and comfortable temperatures, January may not be the ideal month to visit Santa Rosa. April, May, June, July, August, September and October typically offer the best circumstances. While January, February and December tend to showcase less optimal conditions.

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

 

Santa Rosa, monthly averages in January

Min TemperatureMin Temperature 4°C  
Max TemperatureMax Temperature 15°C  
Chance of RainChance of Rain 33%  
PrecipitationPrecipitation 111 mm  
Rainy daysRainy days 10 days  
SunshineSunshine 190 hours *  
Percentage SunshinePercentage Sunshine 60% *  
Data from: Healdsburg, the United States of America (23 KM, 14 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.

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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
5/10
Walking
5/10
Camping
3/10
Outdoor sports
9/10

Interested in more climate information?

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

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.