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
The commencement of October includes a gentle temperature shift, with the average high-temperature dropping a bit from a moderately hot 83.3°F (28.5°C) in September to a still warm 77°F (25°C). The average nighttime temperature lowers to a mild 58.1°F (14.5°C) throughout October.Humidity
In Sun Valley, the average relative humidity in October is 50%.Rainfall
In October, the rain falls for 2.5 days. Throughout October, 0.16" (4mm) of precipitation is accumulated. In Sun Valley, during the entire year, the rain falls for 40.1 days and collects up to 5.87" (149mm) of precipitation.Daylight
The average length of the day in October is 11h and 19min.On the first day of the month, sunrise is at 6:48 am and sunset at 6:37 pm. On the last day of October, sunrise is at 7:13 am and sunset at 6:01 pm PDT.
Sunshine
In Sun Valley, the average sunshine in October is 8.5h.UV index
In Sun Valley, California, the average daily maximum UV index in October is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In October, the average maximum UV index of 5 translates into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are October temperatures?
What is the average humidity in October?
How much does it rain in October?
How many hours of daylight does Sun Valley have in October?
When are sunrise and sunset in October?
How long on average sun shines in October?
What is the UV index reading in October?
Average temperature in October
Sun Valley, CA
- Average high temperature in October: 77°F
The warmest month (with the highest average high temperature) is August (86.5°F).
The month with the lowest average high temperature is December (61.7°F).
- Average low temperature in October: 58.1°F
The month with the highest average low temperature is August (64.8°F).
The coldest month (with the lowest average low temperature) is December (46.2°F).
Average pressure in October
Sun Valley, CA
- Average pressure in October: 29.95"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in October
Sun Valley, CA
- Average wind speed in October: 4.8mph
The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest month (with the lowest average wind speed) is September (4.4mph).
Average humidity in October
Sun Valley, CA
- Average humidity in October: 50%
The month with the highest relative humidity is June (59%).
The month with the lowest relative humidity is November (48%).
Average rainfall in October
Sun Valley, CA
- Average rainfall in October: 0.16"
The wettest month (with the highest rainfall) is December (1.18").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in October
Sun Valley, CA
- Average rainfall days in October: 2.5 days
The month with the highest number of rainy days is March (5.2 days).
The month with the least rainy days is June (1 days).
Average daylight in October /
Average sunshine in October
Sun Valley, CA
- Average daylight in October: 11h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in October: 8h and 3min
The months with the most sunshine are June, July and August (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 54min).
Average sunshine days in October
Sun Valley, CA
- Average sunshine days in October: 27.1 days
The month with the most sunshine days is October (27.1 days).
The month with the least sunshine days is February (22.9 days).
Average UV index in October
Sun Valley, CA
- Average UV index in October: 5
The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in October
Sun Valley, CA
- Average cloud cover in October: 10
The months with the most cloud cover are March and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 4).
Average visibility in October
Sun 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).
Sun Valley, California, USA
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