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 transition into October shows a subtle variation to a still moderately hot 77.9°F (25.5°C) from September's 82.6°F (28.1°C) in the average high-temperature. The month of October records an average low-temperature of 61.7°F (16.5°C).Humidity
In Downey, the average relative humidity in October is 55%.Rainfall
In Downey, California, in October, during 2.8 rainfall days, 0.2" (5mm) of precipitation is typically accumulated. Throughout the year, there are 46 rainfall days, and 6.77" (172mm) of precipitation is accumulated.Daylight
In Downey, the average length of the day in October is 11h and 19min.On the first day of October, sunrise is at 6:47 am and sunset at 6:36 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 6:00 pm PDT.
Sunshine
In October, the average sunshine is 8.5h.UV index
In October, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 5 during October leads to these instructions:
Be vigilant - Suggestions to stave off sun damage are provided. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Downey in October?
What is the average humidity in October in Downey?
How much does it rain in October?
What is the average length of the day in October?
What time are sunrise and sunset in October?
How many hours of sunshine does Downey have in October?
How high is the UV index in October in Downey?
Average temperature in October
Downey, CA
- Average high temperature in October: 77.9°F
The warmest month (with the highest average high temperature) is August (84°F).
The month with the lowest average high temperature is December (64.9°F).
- Average low temperature in October: 61.7°F
The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is February (50.5°F).
Average pressure in October
Downey, CA
- Average pressure in October: 29.95"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.89"Hg).
Average wind speed in October
Downey, CA
- Average wind speed in October: 4.7mph
The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest months (with the lowest average wind speed) are September and October (4.7mph).
Average humidity in October
Downey, CA
- Average humidity in October: 55%
The month with the highest relative humidity is June (65%).
The month with the lowest relative humidity is November (51%).
Average rainfall in October
Downey, CA
- Average rainfall in October: 0.2"
The wettest month (with the highest rainfall) is December (1.42").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in October
Downey, CA
- Average rainfall days in October: 2.8 days
The month with the highest number of rainy days is March (6.8 days).
The month with the least rainy days is June (1.3 days).
Average daylight in October /
Average sunshine in October
Downey, 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 July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 48min).
Average sunshine days in October
Downey, CA
- Average sunshine days in October: 26 days
The month with the most sunshine days is August (26.3 days).
The month with the least sunshine days is February (22.2 days).
Average UV index in October
Downey, CA
- Average UV index in October: 5
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are February, November and December (UV index 4).
Average cloud cover in October
Downey, CA
- Average cloud cover in October: 12
The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in October
Downey, 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).
Downey, California, USA
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