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
October brings a drop in Yountville's average high-temperature, falling from 84°F (28.9°C) in September to a still warm 74.5°F (23.6°C). Yountville, after an intense day, registers a significant cooling to an average low-temperature of 51.8°F (11°C) throughout October.Humidity
In Yountville, the average relative humidity in October is 56%.Rainfall
In October, the rain falls for 4.7 days. Throughout October, 0.91" (23mm) of precipitation is accumulated. Throughout the year, there are 77.8 rainfall days, and 16.02" (407mm) of precipitation is accumulated.Daylight
In Yountville, California, the average length of the day in October is 11h and 11min.On the first day of the month, sunrise is at 7:05 am and sunset at 6:51 pm. On the last day of October, sunrise is at 7:35 am and sunset at 6:10 pm PDT.
Sunshine
The average sunshine in October is 7h.UV index
In Yountville, the average daily maximum UV index in October is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 4 during October translates into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Frequently asked questions
What is the average October temperature in Yountville?
What is the average humidity in October in Yountville?
How much does it rain in Yountville in October?
How many hours of daylight does Yountville have in October?
What time are sunrise and sunset in October in Yountville?
How long on average sun shines in October in Yountville?
What is the UV index reading in October in Yountville?
Average temperature in October
Yountville, CA
- Average high temperature in October: 74.5°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is December (54.5°F).
- Average low temperature in October: 51.8°F
The month with the highest average low temperature is August (55.4°F).
The coldest month (with the lowest average low temperature) is December (40.1°F).
Average pressure in October
Yountville, CA
- Average pressure in October: 29.98"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).
Average wind speed in October
Yountville, CA
- Average wind speed in October: 4.6mph
The windiest month (with the highest average wind speed) is May (6mph).
The calmest month (with the lowest average wind speed) is November (4.3mph).
Average humidity in October
Yountville, CA
- Average humidity in October: 56%
The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is September (54%).
Average rainfall in October
Yountville, CA
- Average rainfall in October: 0.91"
The wettest month (with the highest rainfall) is February (3.43").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in October
Yountville, CA
- Average rainfall days in October: 4.7 days
The month with the highest number of rainy days is March (13.9 days).
The month with the least rainy days is August (0.9 days).
Average daylight in October /
Average sunshine in October
Yountville, 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 30min).
- Average sunshine in October: 7h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in October
Yountville, CA
- Average sunshine days in October: 25.5 days
The month with the most sunshine days is July (29.4 days).
The month with the least sunshine days is March (15.8 days).
Average UV index in October
Yountville, CA
- Average UV index in October: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in October
Yountville, CA
- Average cloud cover in October: 18
The month with the most cloud cover is March (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 6).
Average visibility in October
Yountville, 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).
Yountville, California, USA
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