October weather forecastFairfax, CA
October
Weather in October
October, like September, in Fairfax, California, is another comfortable autumn month, with an average temperature ranging between min 54.7°F (12.6°C) and max 67.5°F (19.7°C).Temperature
With the transition into October, Fairfax notes an average high-temperature of an enjoyable 67.5°F (19.7°C), closely resembling September. The average low-temperature during October nights is a fresh 54.7°F (12.6°C).Humidity
October is the least humid month, with an average relative humidity of 69%.Rainfall
In Fairfax, during October, the rain falls for 5 days and regularly aggregates up to 0.83" (21mm) of precipitation. Throughout the year, there are 80.3 rainfall days, and 15.98" (406mm) of precipitation is accumulated.Snowfall
January through November are months without snowfall.Daylight
In Fairfax, California, the average length of the day in October is 11h and 11min.On the first day of October, sunrise is at 7:06 am and sunset at 6:52 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 6:12 pm PDT.
Sunshine
The average sunshine in October in Fairfax is 6.9h.UV index
The average daily maximum UV index in October is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In October, an average UV index of 4 transforms into the following instructions:
Make use of precautions - It is urged to ward off sun damage. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Fairfax, CA
- Average high temperature in October: 67.5°F
The warmest month (with the highest average high temperature) is September (70.9°F).
The month with the lowest average high temperature is December (55.2°F).
- Average low temperature in October: 54.7°F
The month with the highest average low temperature is September (56.3°F).
The coldest month (with the lowest average low temperature) is December (46°F).
Average pressure in October
Fairfax, CA
- Average pressure in October: 29.98"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 October
Fairfax, CA
- Average wind speed in October: 6mph
The windiest months (with the highest average wind speed) are April and May (8.3mph).
The calmest month (with the lowest average wind speed) is November (5.9mph).
Average humidity in October
Fairfax, CA
- Average humidity in October: 69%
The month with the highest relative humidity is August (78%).
The month with the lowest relative humidity is October (69%).
Average rainfall in October
Fairfax, CA
- Average rainfall in October: 0.83"
The wettest month (with the highest rainfall) is February (3.43").
The driest months (with the least rainfall) are July and August (0.08").
Average rainfall days in October
Fairfax, CA
- Average rainfall days in October: 5 days
The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is July (2.3 days).
Average snowfall days in October
Fairfax, CA
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in October /
Average sunshine in October
Fairfax, CA
- Average daylight in October: 11h and 12min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in October: 6h and 54min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in October
Fairfax, CA
- Average sunshine days in October: 24 days
The months with the most sunshine days are June and July (24.8 days).
The month with the least sunshine days is March (16.6 days).
Average UV index in October
Fairfax, CA
- Average UV index in October: 4
The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in October
Fairfax, CA
- Average cloud cover in October: 21
The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is September (Cloud cover 19).
Average visibility in October
Fairfax, 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).





