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's arrival correlates with a reduction in the average high-temperature, down from a hot 88.7°F (31.5°C) in September to a moderately hot 79.5°F (26.4°C). Throughout October, the nighttime temperature averages to an enjoyable 63.1°F (17.3°C).Humidity
In October, the average relative humidity is 35%.Rainfall
In Chiriaco Summit, in October, it is raining for 2.4 days, with typically 0.2" (5mm) of accumulated precipitation. Throughout the year, there are 46.2 rainfall days, and 4.09" (104mm) of precipitation is accumulated.Daylight
The average length of the day in October is 11h and 20min.On the first day of the month, sunrise is at 6:37 am and sunset at 6:26 pm. On the last day of October, sunrise is at 7:01 am and sunset at 5:51 pm PDT.
Sunshine
The average sunshine in October is 9.6h.UV index
The average daily maximum UV index in October in Chiriaco Summit is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: An average UV index of 5 in October transforms into this advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in October?
What is the average humidity in October?
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 in Chiriaco Summit?
How high is the UV index in October?
Average temperature in October
Chiriaco Summit, CA
- Average high temperature in October: 79.5°F
The warmest month (with the highest average high temperature) is July (95.4°F).
The month with the lowest average high temperature is December (60.6°F).
- Average low temperature in October: 63.1°F
The month with the highest average low temperature is August (76.3°F).
The coldest month (with the lowest average low temperature) is December (46.8°F).
Average pressure in October
Chiriaco Summit, CA
- Average pressure in October: 29.9"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.8"Hg).
Average wind speed in October
Chiriaco Summit, CA
- Average wind speed in October: 6.7mph
The windiest month (with the highest average wind speed) is May (8.2mph).
The calmest month (with the lowest average wind speed) is January (5.5mph).
Average humidity in October
Chiriaco Summit, CA
- Average humidity in October: 35%
The month with the highest relative humidity is December (46%).
The month with the lowest relative humidity is June (29%).
Average rainfall in October
Chiriaco Summit, CA
- Average rainfall in October: 0.2"
The wettest month (with the highest rainfall) is July (0.79").
The driest months (with the least rainfall) are May and June (0.12").
Average rainfall days in October
Chiriaco Summit, CA
- Average rainfall days in October: 2.4 days
The month with the highest number of rainy days is July (6.9 days).
The month with the least rainy days is June (1.5 days).
Average daylight in October /
Average sunshine in October
Chiriaco Summit, 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: 10h and 0min).
- Average sunshine in October: 9h and 4min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).
Average sunshine days in October
Chiriaco Summit, CA
- Average sunshine days in October: 27.4 days
The month with the most sunshine days is October (27.4 days).
The month with the least sunshine days is July (19.4 days).
Average UV index in October
Chiriaco Summit, CA
- Average UV index in October: 5
The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in October
Chiriaco Summit, CA
- Average cloud cover in October: 6
The month with the most cloud cover is December (Cloud cover 17).
The month with the least cloud cover is June (Cloud cover 4).
Average visibility in October
Chiriaco Summit, 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).
Chiriaco Summit, California, USA
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