Warm-summer Mediterranean climate
Climate San Luis Obispo - California
Annual high71ºF
Annual low47ºF
Precipitation19.01 inch
| Month | HighºF | LowºF | Precipinch |
|---|---|---|---|
| Jan | 64 | 41 | 3.66 |
| Feb | 64 | 42 | 3.65 |
| Mar | 65 | 44 | 3.20 |
| Apr | 69 | 45 | 1.11 |
| May | 72 | 48 | 0.38 |
| Jun | 75 | 51 | 0.07 |
| Jul | 77 | 54 | 0.02 |
| Aug | 80 | 55 | 0.04 |
| Sep | 79 | 54 | 0.21 |
| Oct | 76 | 49 | 0.88 |
| Nov | 70 | 44 | 1.75 |
| Dec | 64 | 40 | 4.04 |
- JanHigh 64ºFLow 41ºFPrecip 3.66 inch
- FebHigh 64ºFLow 42ºFPrecip 3.65 inch
- MarHigh 65ºFLow 44ºFPrecip 3.20 inch
- AprHigh 69ºFLow 45ºFPrecip 1.11 inch
- MayHigh 72ºFLow 48ºFPrecip 0.38 inch
- JunHigh 75ºFLow 51ºFPrecip 0.07 inch
- JulHigh 77ºFLow 54ºFPrecip 0.02 inch
- AugHigh 80ºFLow 55ºFPrecip 0.04 inch
- SepHigh 79ºFLow 54ºFPrecip 0.21 inch
- OctHigh 76ºFLow 49ºFPrecip 0.88 inch
- NovHigh 70ºFLow 44ºFPrecip 1.75 inch
- DecHigh 64ºFLow 40ºFPrecip 4.04 inch
Climate summary
What is the average weather in San Luis Obispo, California?
San Luis Obispo experiences a warm-summer climate with dry summers and wetter winters. The annual precipitation is low, with frequent rain or drizzle common during the cooler season. Summers are warm and dry, while winters are cool, creating a moderate seasonal contrast.
San Luis Obispo weather averages
Annual high71ºF
Annual low47ºF
Precipitation19.01 inch
Daily normals San Luis Obispo - California - January
| Day | HighºF | LowºF | Prec/ | Prec/ |
|---|---|---|---|---|
| Jan 1 | 64.5 | 39.8 | 0.14 | 0.14 |
| Jan 2 | 64.6 | 39.8 | 0.27 | 0.27 |
| Jan 3 | 64.6 | 39.9 | 0.39 | 0.39 |
| Jan 4 | 64.7 | 39.9 | 0.52 | 0.52 |
| Jan 5 | 64.7 | 40.0 | 0.65 | 0.65 |
| Jan 6 | 64.8 | 40.0 | 0.77 | 0.77 |
| Jan 7 | 64.8 | 40.1 | 0.91 | 0.91 |
| Jan 8 | 64.8 | 40.1 | 1.04 | 1.04 |
| Jan 9 | 64.9 | 40.2 | 1.18 | 1.18 |
| Jan 10 | 64.9 | 40.3 | 1.33 | 1.33 |
| Jan 11 | 65.0 | 40.3 | 1.47 | 1.47 |
| Jan 12 | 65.0 | 40.4 | 1.61 | 1.61 |
| Jan 13 | 65.0 | 40.4 | 1.74 | 1.74 |
| Jan 14 | 65.1 | 40.5 | 1.88 | 1.88 |
| Jan 15 | 65.1 | 40.5 | 2.01 | 2.01 |
| Jan 16 | 65.1 | 40.6 | 2.13 | 2.13 |
| Jan 17 | 65.2 | 40.7 | 2.25 | 2.25 |
| Jan 18 | 65.2 | 40.7 | 2.37 | 2.37 |
| Jan 19 | 65.2 | 40.8 | 2.49 | 2.49 |
| Jan 20 | 65.2 | 40.8 | 2.61 | 2.61 |
| Jan 21 | 65.2 | 40.9 | 2.72 | 2.72 |
| Jan 22 | 65.2 | 40.9 | 2.84 | 2.84 |
| Jan 23 | 65.2 | 41.0 | 2.95 | 2.95 |
| Jan 24 | 65.2 | 41.0 | 3.06 | 3.06 |
| Jan 25 | 65.2 | 41.1 | 3.17 | 3.17 |
| Jan 26 | 65.2 | 41.2 | 3.28 | 3.28 |
| Jan 27 | 65.2 | 41.2 | 3.38 | 3.38 |
| Jan 28 | 65.1 | 41.3 | 3.50 | 3.50 |
| Jan 29 | 65.1 | 41.3 | 3.61 | 3.61 |
| Jan 30 | 65.1 | 41.4 | 3.74 | 3.74 |
| Jan 31 | 65.1 | 41.4 | 3.86 | 3.86 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history San Luis Obispo - October 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| Oct 1 | 81.0 | 55.0 | 0.00 |
| Oct 2 | 87.1 | 55.9 | 0.00 |
| Oct 3 | 99.0 | 55.0 | 0.00 |
| Oct 4 | – | – | – |
| Oct 5 | – | – | – |
| Oct 6 | – | – | – |
| Oct 7 | 88.0 | 61.0 | 0.00 |
| Oct 8 | 82.0 | 60.1 | 0.00 |
| Oct 9 | 75.0 | 62.1 | 0.00 |
| Oct 10 | 75.0 | 60.1 | 0.00 |
| Oct 11 | 68.0 | 55.9 | 0.00 |
| Oct 12 | 69.1 | 52.0 | 0.00 |
| Oct 13 | 78.1 | 45.0 | 0.00 |
| Oct 14 | 84.0 | 48.0 | 0.00 |
| Oct 15 | 93.0 | 48.0 | 0.00 |
| Oct 16 | 98.1 | 52.0 | 0.00 |
| Oct 17 | – | – | – |
| Oct 18 | 88.0 | 54.0 | 0.00 |
| Oct 19 | – | – | – |
| Oct 20 | – | – | – |
| Oct 21 | 73.0 | 55.0 | 0.88 |
| Oct 22 | 66.9 | 54.0 | 0.26 |
| Oct 23 | 69.1 | 55.9 | 0.00 |
| Oct 24 | 81.0 | 53.1 | 0.00 |
| Oct 25 | 79.0 | 48.9 | 0.00 |
| Oct 26 | 73.9 | 50.0 | 0.00 |
| Oct 27 | 73.0 | 48.9 | 0.00 |
| Oct 28 | 72.0 | 48.0 | 0.00 |
| Oct 29 | – | – | – |
| Oct 30 | – | – | – |
| Oct 31 | – | – | – |
The data for October 2026 is incomplete: some days or values are missing.
- –No data
- –Not yet observed or received
- TTrace, too small to measure
Observed extremes
- Highest max temperature99.0ºF · Oct 3
- Lowest max temperature66.9ºF · Oct 22
- Highest min temperature62.1ºF · Oct 9
- Lowest min temperature45.0ºF · Oct 13
Geo San Luis Obispo - California
Location
- Country
- United States
- State
- California
- County
- –
- City
- San Luis Obispo
- Zip Code
- 93401
- Elevation
- 236 ft
- Longitude
- -120.66
- Latitude
- 35.28
- ICAO
- –
- IATA
- –