October weather forecastAlta Sierra, CA
October
Weather in October
October, like September, is another pleasant autumn month in Alta Sierra, California, with temperature in the range of an average low of 50.7°F (10.4°C) and an average high of 72°F (22.2°C).Temperature
A shift in the average high-temperature occurs in October, reducing from a warm 83.8°F (28.8°C) in September to an agreeable 72°F (22.2°C). Alta Sierra experiences an average low-temperature reading of 50.7°F (10.4°C) throughout October.Humidity
In Alta Sierra, California, the average relative humidity in October is 46%.Rainfall
In Alta Sierra, in October, during 4.1 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. In Alta Sierra, during the entire year, the rain falls for 82 days and collects up to 33.11" (841mm) of precipitation.Snowfall
June through October are months without snowfall.Daylight
In October, the average length of the day is 11h and 10min.On the first day of October, sunrise is at 7:01 am and sunset at 6:46 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 6:03 pm PDT.
Sunshine
In October, the average sunshine is 7.1h.UV index
In Alta Sierra, the average daily maximum UV index in October is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 4 during October translates into these guidelines:
Ensure safety - Imperative it is to shield skin and eyes from damage. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Alta Sierra, CA
- Average high temperature in October: 72°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is December (51.3°F).
- Average low temperature in October: 50.7°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is December (37.2°F).
Average pressure in October
Alta Sierra, CA
- Average pressure in October: 30"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in October
Alta Sierra, CA
- Average wind speed in October: 5.4mph
The windiest month (with the highest average wind speed) is February (6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in October
Alta Sierra, CA
- Average humidity in October: 46%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is July (37%).
Average rainfall in October
Alta Sierra, CA
- Average rainfall in October: 1.57"
The wettest month (with the highest rainfall) is March (6.57").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in October
Alta Sierra, CA
- Average rainfall days in October: 4.1 days
The month with the highest number of rainy days is March (15.1 days).
The month with the least rainy days is July (1.1 days).
Average snowfall in October
Alta Sierra, CA
- Average snowfall in October: 0"
The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in October
Alta Sierra, CA
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is March (2.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in October /
Average sunshine in October
Alta Sierra, CA
- Average daylight in October: 11h and 12min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in October: 7h and 6min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in October
Alta Sierra, CA
- Average sunshine days in October: 26.3 days
The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is March (14.8 days).
Average UV index in October
Alta Sierra, CA
- Average UV index in October: 4
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is November (UV index 2).
Average cloud cover in October
Alta Sierra, CA
- Average cloud cover in October: 16
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in October
Alta Sierra, 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).
