San Luis Obispo, California Climate
United States
Pop. 47,339 Elev. 74 m / 243 ft
TZ: America/Los_Angeles (UTC-7) ·
Temperatures in San Luis Obispo stay moderate year-round, from 45°F (7°C) in January to 71°F (22°C) in September. Expect around 26 rainy days annually (16.3 in / 414 mm total). The city averages 222 sunny days per year. Ocean water temperatures reach 64°F (18°C) in summer.
| Temperature | 71°F (22°C) high | 45°F (7°C) low |
| Feels like | 43°F (6°C) low | |
| Rain | 26 days | 16.3 in (414 mm) /yr |
| Sky | 222 sunny | 13 stormy |
| Wind | 4.0 mph (1.8 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Jan, Apr, May, Jun, Jul, Aug, Sep, Oct
Sky & Air by Month
Cloud cover (%)
26
Jan 54
Feb 50
Mar 39
Apr 24
May 26
Jun 46
Jul 24
Aug 33
Sep 22
Oct 41
Nov 37
Dec Humidity (%)
65
Jan 74
Feb 75
Mar 77
Apr 74
May 77
Jun 85
Jul 79
Aug 84
Sep 77
Oct 78
Nov 74
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 3 mi San Luis County Regional Airport (SBP)
Ski resort 93 mi Mount Pinos Winter Sports Area
National park 13 mi Pismo State Beach
Mountain peak
(5,817 ft) 52 mi Peak Mountain
Hospital 1 mi French Hospital
Hiking trail 8 mi California Coastal Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 62°F 16°C | 45°F 7°C | 0.4 in 10 mm | — | 22 |
| February | 62°F 17°C | 49°F 9°C | 3.2 in 81 mm | — | 11 |
| March | 60°F 15°C | 49°F 9°C | 2.9 in 74 mm | — | 11 |
| April | 61°F 16°C | 50°F 10°C | 0.4 in 10 mm | — | 14 |
| May | 66°F 19°C | 53°F 12°C | 0.0 in 1 mm | — | 24 |
| June | 66°F 19°C | 55°F 13°C | 0.0 in 1 mm | — | 22 |
| July | 64°F 18°C | 54°F 12°C | 0.1 in 2 mm | — | 13 |
| August | 71°F 22°C | 58°F 15°C | 0.0 in 1 mm | — | 25 |
| September | 71°F 22°C | 61°F 16°C | 0.4 in 11 mm | — | 20 |
| October | 68°F 20°C | 56°F 13°C | 1.1 in 27 mm | — | 24 |
| November | 65°F 18°C | 54°F 12°C | 3.2 in 82 mm | — | 16 |
| December | 64°F 18°C | 51°F 11°C | 4.5 in 115 mm | — | 20 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 22 | 1 |
| February | 11 | 3 |
| March | 11 | 1 |
| April | 14 | 0 |
| May | 24 | 0 |
| June | 22 | 0 |
| July | 13 | 0 |
| August | 25 | 0 |
| September | 20 | 1 |
| October | 24 | 1 |
| November | 16 | 3 |
| December | 20 | 3 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 55°F 13°C | 52°F 11°C |
| February | 55°F 13°C | 52°F 11°C |
| March | 54°F 12°C | 52°F 11°C |
| April | 54°F 12°C | 54°F 12°C |
| May | 56°F 13°C | 59°F 15°C |
| June | 58°F 14°C | 63°F 17°C |
| July | 56°F 13°C | 63°F 17°C |
| August | 62°F 17°C | 66°F 19°C |
| September | 64°F 18°C | 68°F 20°C |
| October | 63°F 17°C | 63°F 17°C |
| November | 61°F 16°C | 60°F 16°C |
| December | 61°F 16°C | 56°F 13°C |