October weather forecastThornton, CA
October
Weather in October
October, like September, in Thornton, California, is a moderately hot autumn month, with an average temperature varying between 53.6°F (12°C) and 76.8°F (24.9°C).Temperature
October implies a gentle temperature shift, with average high-temperatures reducing from September's hot 88.5°F (31.4°C) to a moderately hot 76.8°F (24.9°C). The month of October sees a significant daily temperature drop, recording an average low-temperature of 53.6°F (12°C).Humidity
In Thornton, the average relative humidity in October is 51%.Rainfall
In Thornton, in October, during 3.2 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. In Thornton, during the entire year, the rain falls for 63.8 days and collects up to 12.6" (320mm) of precipitation.Snowfall
January through November are months without snowfall.Daylight
The average length of the day in October is 11h and 11min.On the first day of October, sunrise is at 7:02 am and sunset at 6:47 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 6:06 pm PDT.
Sunshine
The average sunshine in October is 7.2h.UV index
In Thornton, the average daily maximum UV index in October is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In October, the maximum UV index of 4 translates into these guidelines:
Take precautions - Protection against skin and eye damage is obliged. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Thornton, CA
- Average high temperature in October: 76.8°F
The warmest month (with the highest average high temperature) is July (93.9°F).
The month with the lowest average high temperature is December (55°F).
- Average low temperature in October: 53.6°F
The month with the highest average low temperature is August (58.8°F).
The coldest month (with the lowest average low temperature) is December (41°F).
Average pressure in October
Thornton, CA
- Average pressure in October: 29.99"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in October
Thornton, CA
- Average wind speed in October: 4.7mph
The windiest months (with the highest average wind speed) are February and June (5.8mph).
The calmest month (with the lowest average wind speed) is November (4.4mph).
Average humidity in October
Thornton, CA
- Average humidity in October: 51%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is July (45%).
Average rainfall in October
Thornton, CA
- Average rainfall in October: 0.59"
The wettest month (with the highest rainfall) is February (2.4").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in October
Thornton, CA
- Average rainfall days in October: 3.2 days
The month with the highest number of rainy days is March (12.4 days).
The month with the least rainy days is June (0.9 days).
Average snowfall days in October
Thornton, CA
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in October /
Average sunshine in October
Thornton, CA
- Average daylight in October: 11h and 12min
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 36min).
- Average sunshine in October: 7h and 12min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in October
Thornton, CA
- Average sunshine days in October: 27.1 days
The month with the most sunshine days is August (29.3 days).
The month with the least sunshine days is March (17.8 days).
Average UV index in October
Thornton, CA
- Average UV index in October: 4
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in October
Thornton, CA
- Average cloud cover in October: 14
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in October
Thornton, 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).





