October weather forecast
Fairfax, CA

Share

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.
Updated: Jul 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are October temperatures?

An average high-temperature, in October, in Fairfax, is 67.5°F (19.7°C) and the average low-temperature is 54.7°F (12.6°C).

What is the least humid month?

With an average relative humidity of 69%, October is the least humid month.

What is the average humidity in October?

The average relative humidity in October is 69%.

How many days does it rain in October?

In Fairfax, during October, the rain falls for 5 days and regularly aggregates up to 0.83" (21mm) of precipitation.

When it does not snow in Fairfax?

In Fairfax, snow does not fall in January through November.

How many hours of daylight does Fairfax have in October?

In Fairfax, the average day length in October is 11h and 11min.

What time are sunrise and sunset in October in Fairfax?

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.

How many hours of sunshine does Fairfax have in October?

The average sunshine duration in October in Fairfax is 6.9h.

How high is the UV index in October?

In Fairfax, the average daily maximum UV index in October is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Fairfax, CA

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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in October - Fairfax, CA
  • Average daylight in October: 11h and 1min

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 5min

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 - 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 - 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 - 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 - 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).

Fairfax, California, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location