Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
Mill Valley commences October with an average high-temperature of a still pleasant 68.9°F (20.5°C), maintaining a close resemblance to the previous month. Mill Valley's average low-temperature in the month of October is recorded at a fresh 54.3°F (12.4°C).Humidity
The least humid month is October, with an average relative humidity of 68%.Rainfall
In October, the rain falls for 2.6 days. Throughout October, 0.12" (3mm) of precipitation is accumulated. Throughout the year, there are 48 rainfall days, and 3.94" (100mm) of precipitation is accumulated.Daylight
In October, the average length of the day is 11h and 12min.On the first day of the month, sunrise is at 7:06 am and sunset at 6:52 pm. On the last day of October, sunrise is at 7:35 am and sunset at 6:11 pm PDT.
Sunshine
In October, the average sunshine is 6.8h.UV index
In October, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index, 4 during October, leads to the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Mill Valley in October?
What is the least humid month?
What is the average humidity in October in Mill Valley?
How many days does it rain in October?
What is the average length of the day in October?
What time are sunrise and sunset in October?
How long on average sun shines in October?
What is the UV index intensity in October?
Average temperature in October
Mill Valley, CA
- Average high temperature in October: 68.9°F
The warmest month (with the highest average high temperature) is September (72.3°F).
The month with the lowest average high temperature is December (55.4°F).
- Average low temperature in October: 54.3°F
The month with the highest average low temperature is September (56.1°F).
The coldest month (with the lowest average low temperature) is December (45.3°F).
Average pressure in October
Mill Valley, 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
Mill Valley, CA
- Average wind speed in October: 5.5mph
The windiest month (with the highest average wind speed) is May (7.8mph).
The calmest months (with the lowest average wind speed) are October and November (5.5mph).
Average humidity in October
Mill Valley, CA
- Average humidity in October: 68%
The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is October (68%).
Average rainfall in October
Mill Valley, CA
- Average rainfall in October: 0.12"
The wettest month (with the highest rainfall) is February (0.87").
The driest months (with the least rainfall) are June, July, August and September (0.04").
Average rainfall days in October
Mill Valley, CA
- Average rainfall days in October: 2.6 days
The month with the highest number of rainy days is March (8.8 days).
The months with the least rainy days are June and August (1.2 days).
Average daylight in October /
Average sunshine in October
Mill Valley, 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 30min).
Average sunshine days in October
Mill Valley, CA
- Average sunshine days in October: 26.2 days
The month with the most sunshine days is June (26.4 days).
The month with the least sunshine days is March (20.7 days).
Average UV index in October
Mill Valley, CA
- Average UV index in October: 4
The months with the highest UV index are April, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in October
Mill Valley, 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
Mill Valley, 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).
Mill Valley, California, USA
Weather forecast for your location
2. Allow the app to use your location