January weather forecastSausalito, CA

January
Weather in January
January in Sausalito, California, is a refreshing winter month, with an average temperature ranging between max 56.1°F (13.4°C) and min 46.2°F (7.9°C).Temperature
The beginning of January records an average high-temperature of a refreshing 56.1°F (13.4°C), almost echoing the conditions of the previous month. Nighttime temperature in Sausalito dips to a mean of 46.2°F (7.9°C) during January.Humidity
In Sausalito, California, the average relative humidity in January is 73%.Rainfall
In Sausalito, in January, during 7.6 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. In Sausalito, during the entire year, the rain falls for 64.2 days and collects up to 4.8" (122mm) of precipitation.Ocean temperature
In Sausalito, in January, the average water temperature is 53.2°F (11.8°C).Note: Swimming in 53.2°F (11.8°C) feels unbearing at 55.4°F (13°C) and can be life-risking below 50°F (10°C), causing breathing issues and cold shock, depending on a person's capacity.
Daylight
In Sausalito, the average length of the day in January is 9h and 54min.On the first day of the month, sunrise is at 7:25 am and sunset at 5:01 pm. On the last day of January, in Sausalito, sunrise is at 7:14 am and sunset at 5:31 pm PST.
Sunshine
The average sunshine in January in Sausalito is 5.9h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 3 during January translates into the following directions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Sausalito, CA
- Average high temperature in January: 56.1°F
The warmest month (with the highest average high temperature) is September (72.3°F).
The month with the lowest average high temperature is December (55.2°F).
- Average low temperature in January: 46.2°F
The month with the highest average low temperature is September (56.5°F).
The coldest months (with the lowest average low temperature) are January and December (46.2°F).
Average pressure in January
Sausalito, CA
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in January
Sausalito, CA
- Average wind speed in January: 6.1mph
The windiest month (with the highest average wind speed) is May (7.9mph).
The calmest months (with the lowest average wind speed) are October and November (5.7mph).
Average humidity in January
Sausalito, CA
- Average humidity in January: 73%
The months with the highest relative humidity are March and August (76%).
The month with the lowest relative humidity is October (68%).
Average rainfall in January
Sausalito, CA
- Average rainfall in January: 0.71"
The wettest month (with the highest rainfall) is February (0.98").
The driest months (with the least rainfall) are June, July, August and September (0.08").
Average rainfall days in January
Sausalito, CA
- Average rainfall days in January: 7.6 days
The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is June (1.9 days).
Average sea temperature in January
Sausalito, CA
- Average sea temperature in January: 53.2°F
The best month for swimming (with the highest average sea temperature) is September (57.3°F).
The coldest months (with the lowest average sea temperature) are April and June (53°F).
Average daylight in January /
Average sunshine in January
Sausalito, CA
- Average daylight in January: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January: 5h and 54min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in January
Sausalito, CA
- Average sunshine days in January: 22.1 days
The month with the most sunshine days is October (25 days).
The month with the least sunshine days is March (18.4 days).
Average UV index in January
Sausalito, CA
- Average UV index in January: 3
The months with the highest UV index are April, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in January
Sausalito, CA
- Average cloud cover in January: 34
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is September (Cloud cover 18).
Average visibility in January
Sausalito, CA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





