Mill Valley weather in January (California, United States of America)
Curious about the January weather in Mill Valley? Wondering if it's an optimal time for a visit? This page provides detailed information on the weather conditions for that month.
In January, Mill Valley generally has moderate temperatures and high rainfall. Anticipate daytime temperatures around 14°C, while night temperatures can drop to 6°C.
Mill Valley in January usually receives high rainfall, averaging around 122 mm for the month. Delving into the climate records from the past 30 years, one can predict that nearly 9 days of the month will see rainfall.
The area enjoys a balanced 186 hours of sunlight. Ensuring it's neither too overcast nor too sunny.
If you prefer dry days with pleasant temperatures, January may not be the ideal month to visit Mill Valley. May, June, July, August, September and October typically offer the most optimal weather. In contrast, January, February and December tend to have less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Mill Valley climate page with graphs.
Mill Valley, monthly averages in January
Min Temperature
6°C
Max Temperature
14°C
Chance of Rain
30%
Precipitation
122 mm
Rainy days
9 days
Humidity
80% *
Sunshine
186 hours *
Percentage Sunshine
61% *
Where to go in the United States of America in January
Find out more about the weather in the United States of America in January and which places have the best weather conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in Mill Valley in January?
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 in January.
Interested in more climate information?
Weather and Climate provides you with all the information you need about the climate in Mill Valley.
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 climate conditions. Find out where to go with our weather planner.
