October weather forecastSan Luis Obispo, CA
October
Weather in October
October, like September, in San Luis Obispo, California, is another warm autumn month, with temperature in the range of an average low of 56.5°F (13.6°C) and an average high of 74.3°F (23.5°C).Temperature
San Luis Obispo's weather subtly changes with the onset of October, barely falling from 79.9°F (26.6°C) in September to a still moderately hot 74.3°F (23.5°C). During the nights in October, the temperature averages to a mild 56.5°F (13.6°C).Humidity
September and October, with an average relative humidity of 57%, are the least humid months.Rainfall
In San Luis Obispo, during October, the rain falls for 3.4 days and regularly aggregates up to 0.47" (12mm) of precipitation. In San Luis Obispo, during the entire year, the rain falls for 57 days and collects up to 9.57" (243mm) of precipitation.Daylight
In San Luis Obispo, California, the average length of the day in October is 11h and 17min.On the first day of the month, sunrise is at 6:58 am and sunset at 6:45 pm. On the last day of October, in San Luis Obispo, sunrise is at 7:23 am and sunset at 6:08 pm PDT.
Sunshine
The average sunshine in October is 7.6h.UV index
In San Luis Obispo, the average daily maximum UV index in October is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 5 during October translates into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
San Luis Obispo, CA
- Average high temperature in October: 74.3°F
The warmest month (with the highest average high temperature) is August (80.2°F).
The month with the lowest average high temperature is December (60.3°F).
- Average low temperature in October: 56.5°F
The month with the highest average low temperature is September (60.3°F).
The coldest month (with the lowest average low temperature) is February (45.7°F).
Average pressure in October
San Luis Obispo, CA
- Average pressure in October: 29.97"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).
Average wind speed in October
San Luis Obispo, CA
- Average wind speed in October: 5.8mph
The windiest months (with the highest average wind speed) are April and May (6.8mph).
The calmest months (with the lowest average wind speed) are August and September (5.3mph).
Average humidity in October
San Luis Obispo, CA
- Average humidity in October: 57%
The month with the highest relative humidity is March (69%).
The months with the lowest relative humidity are September and October (57%).
Average rainfall in October
San Luis Obispo, CA
- Average rainfall in October: 0.47"
The wettest month (with the highest rainfall) is March (2.01").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in October
San Luis Obispo, CA
- Average rainfall days in October: 3.4 days
The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is August (0.6 days).
Average daylight in October /
Average sunshine in October
San Luis Obispo, CA
- Average daylight in October: 11h and 18min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in October: 7h and 36min
The months with the most sunshine are June, July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are February and December (Average sunshine: 6h and 30min).
Average sunshine days in October
San Luis Obispo, CA
- Average sunshine days in October: 26.7 days
The month with the most sunshine days is August (29.2 days).
The month with the least sunshine days is February (19.1 days).
Average UV index in October
San Luis Obispo, CA
- Average UV index in October: 5
The months with the highest UV index are June and August (UV index 6).
The month with the lowest UV index is February (UV index 3).
Average cloud cover in October
San Luis Obispo, CA
- Average cloud cover in October: 12
The month with the most cloud cover is March (Cloud cover 28).
The months with the least cloud cover are August and September (Cloud cover 6).
Average visibility in October
San Luis Obispo, CA
- Average visibility in October: 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).
