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 onset corresponds with a shift in the average high-temperature, moving from a tropical 88.3°F (31.3°C) in September to a warm 78.8°F (26°C). October nights observe an average temperature dip to a moderate 57.4°F (14.1°C).Humidity
In Alta Loma, California, the average relative humidity in October is 45%.Rainfall
In Alta Loma, in October, during 2.7 rainfall days, 0.24" (6mm) of precipitation is typically accumulated. Throughout the year, there are 50.5 rainfall days, and 7.56" (192mm) of precipitation is accumulated.Daylight
In October, the average length of the day in Alta Loma is 11h and 19min.On the first day of October, sunrise is at 6:45 am and sunset at 6:34 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:58 pm PDT.
Sunshine
In Alta Loma, the average sunshine in October is 8.9h.UV index
In Alta Loma, 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 average person.Note: The UV index of 5 in October translates into these instructions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
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 many days does it rain in October?
How many hours of daylight does Alta Loma 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
Alta Loma, CA
- Average high temperature in October: 78.8°F
The warmest month (with the highest average high temperature) is August (91.2°F).
The month with the lowest average high temperature is December (61.3°F).
- Average low temperature in October: 57.4°F
The month with the highest average low temperature is August (66.7°F).
The coldest month (with the lowest average low temperature) is February (45.1°F).
Average pressure in October
Alta Loma, CA
- Average pressure in October: 29.94"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in October
Alta Loma, CA
- Average wind speed in October: 4.8mph
The windiest months (with the highest average wind speed) are April and May (5.9mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).
Average humidity in October
Alta Loma, CA
- Average humidity in October: 45%
The months with the highest relative humidity are February, March and May (53%).
The month with the lowest relative humidity is August (41%).
Average rainfall in October
Alta Loma, CA
- Average rainfall in October: 0.24"
The wettest month (with the highest rainfall) is February (1.73").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in October
Alta Loma, CA
- Average rainfall days in October: 2.7 days
The month with the highest number of rainy days is March (7.5 days).
The month with the least rainy days is June (1.2 days).
Average daylight in October /
Average sunshine in October
Alta Loma, 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 5min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is February (Average sunshine: 6h and 54min).
Average sunshine days in October
Alta Loma, CA
- Average sunshine days in October: 26.5 days
The month with the most sunshine days is June (27.7 days).
The month with the least sunshine days is February (21.4 days).
Average UV index in October
Alta Loma, CA
- Average UV index in October: 5
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in October
Alta Loma, CA
- Average cloud cover in October: 9
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
Alta Loma, 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).
Alta Loma, California, USA
Weather forecast for your location
2. Allow the app to use your location