San Luis Obispo (CA)
January
Weather in San Luis Obispo, California for January 2027
Your guide to San Luis Obispo weather in January - trends and predictions
In general, the average temperature in San Luis Obispo at the beginning of January is 16.1 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 16 °C by the end of January.
With an average of 5 rainy days, San Luis Obispo experiences minimal rainfall in January.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
26
Dry days
5
Rainy days
0
Snow days
17°/5°
Temperatures
13 km/h
Avg max wind
64 %
Avg humidity
San Luis Obispo Weather January
Move between months or click on a day
Temperatures trend during January in San Luis Obispo
See the weather trend as well as the moving average line
January weather in San Luis Obispo day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jan. 1 |  Overcast | 17° /8° | 18.2 mm | 2 | |
| Jan. 2 |  Sunny | 19° /8° | 0.9 mm | 3 | |
| Jan. 3 | Overcast | 15° /9° | 31.4 mm | 2 | |
| Jan. 4 |  Partly cloudy | 15° /8° | 15.6 mm | 3 | |
| Jan. 5 | Sunny | 15° /7° | 0 mm | 3 | |
| Jan. 6 | Overcast | 16° /5° | 0 mm | 3 | |
| Jan. 7 | Overcast | 16° /6° | 0 mm | 3 | |
| Jan. 8 | Sunny | 17° /4° | 0 mm | 3 | |
| Jan. 9 | Sunny | 17° /2° | 0 mm | 4 | |
| Jan. 10 | Sunny | 19° /3° | 0 mm | 3 | |
| Jan. 11 | Sunny | 19° /4° | 0 mm | 3 | |
| Jan. 12 | Sunny | 19° /2° | 0 mm | 3 | |
| Jan. 13 | Sunny | 20° /3° | 0 mm | 3 | |
| Jan. 14 | Sunny | 22° /5° | 0 mm | 3 | |
| Jan. 15 | Sunny | 20° /7° | 0 mm | 3 | |
| Jan. 16 | Partly cloudy | 21° /6° | 0 mm | 3 | |
| Jan. 17 |  Cloudy | 17° /5° | 0 mm | 2 | |
| Jan. 18 | Overcast | 14° /0° | 0 mm | 3 | |
| Jan. 19 | Partly cloudy | 18° /6° | 0 mm | 3 | |
| Jan. 20 | Sunny | 19° /6° | 0 mm | 3 | |
| Jan. 21 | Overcast | 17° /5° | 0 mm | 3 | |
| Jan. 22 | Sunny | 17° /6° | 0 mm | 3 | |
| Jan. 23 | Sunny | 17° /5° | 0 mm | 4 | |
| Jan. 24 | Cloudy | 17° /6° | 0 mm | 3 | |
| Jan. 25 |  Heavy rain at times | 12° /3° | 1.8 mm | 2 | |
| Jan. 26 |  Moderate or heavy rain shower | 14° /6° | 2.4 mm | 2 | |
| Jan. 27 | Partly cloudy | 15° /4° | 0 mm | 3 | |
| Jan. 28 | Partly cloudy | 17° /3° | 0 mm | 3 | |
| Jan. 29 | Overcast | 17° /4° | 0 mm | 3 | |
| Jan. 30 | Overcast | 19° /4° | 0 mm | 3 | |
| Jan. 31 |  Mist | 18° /6° | 0 mm | 3 | |
| Next | |||||
Important Notice
Our weather forecast for San Luis Obispo in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the San Luis Obispo forecast closer to your planned date for the most up-to-date weather information.
Change Month
San Luis Obispo in January - FAQ
What are the expected maximum and minimum temperatures in San Luis Obispo during January?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 5°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in San Luis Obispo during January?
Moderate rainfall is anticipated in San Luis Obispo during January, with a total of 70.2 mm spread over approximately 5 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in San Luis Obispo during January?
The average wind speed in San Luis Obispo during January is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
January rainfall patterns in San Luis Obispo
Explore the daily rainfall trends and prepare for San Luis Obispos January weather 💧
Typically, San Luis Obispo has 5 rainy days in January with a total of 70.2 mm of rainfall.
UV exposure in San Luis Obispo during January
Stay informed about UV levels for safe outdoor activities throughout the month of January ☀️
Quick links
More San Luis Obispo weather pages
You are here
Where is San Luis Obispo?Get accurate weather forecasts for San Luis Obispo, located at latitude 35.283 and longitude -120.66. Stay updated with localized weather information tailored for San Luis Obispo.
Found a mistake?
We appreciate your attention to details. Tell us here.