October weather forecastWest Covina, CA
October
Weather in October
October provides relief from the summer's heat with temperatures fluctuating from 79.5°F (26.4°C) to 59.2°F (15.1°C). Despite the reduction in temperatures compared to September, the daylight hours continue to decrease, making way for longer nights typical of autumn. October's humidity sees a minor decrease in comparison to September, maintaining the dry conditions. Slightly increasing cloud cover and diminishing daylight hours evoke a beautiful contrast of colors. As West Covina transitions into November, one can anticipate a further drop in temperatures.Temperature
West Covina in October experiences a gentle temperature dip, with average high-temperatures reducing from a moderately hot 85.8°F (29.9°C) in September to a still warm 79.5°F (26.4°C). During the month of October, West Covina's nighttime temperature lowers to an average of 59.2°F (15.1°C).Humidity
In October, the average relative humidity in West Covina is 48%.Rainfall
In October, in West Covina, California, the rain falls for 3.3 days. Throughout October, 0.2" (5mm) of precipitation is accumulated. Throughout the year, in West Covina, there are 49.8 rainfall days, and 7.76" (197mm) of precipitation is accumulated.Snowfall
January through November are months without snowfall in West Covina.Daylight
In West Covina, the average length of the day in October is 11h and 19min.On the first day of October in West Covina, sunrise is at 6:46 am and sunset at 6:35 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:59 pm PDT.
Sunshine
The average sunshine in October is 8.7h.UV index
In October, the average daily maximum UV index in West Covina is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: A typical high UV index of 5 in October suggests the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
West Covina, CA
- Average high temperature in October: 79.5°F
The warmest month (with the highest average high temperature) is August (88.9°F).
The month with the lowest average high temperature is December (63.5°F).
- Average low temperature in October: 59.2°F
The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is December (47.3°F).
Average pressure in October
West Covina, CA
- Average pressure in October: 29.95"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in October
West Covina, CA
- Average wind speed in October: 4.5mph
The windiest months (with the highest average wind speed) are April and May (5.7mph).
The calmest months (with the lowest average wind speed) are September and October (4.5mph).
Average humidity in October
West Covina, CA
- Average humidity in October: 48%
The months with the highest relative humidity are May and June (57%).
The month with the lowest relative humidity is November (46%).
Average rainfall in October
West Covina, CA
- Average rainfall in October: 0.2"
The wettest month (with the highest rainfall) is December (1.73").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in October
West Covina, CA
- Average rainfall days in October: 3.3 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 snowfall days in October
West Covina, 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
West Covina, CA
- Average daylight in October: 11h and 18min
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 42min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are February and December (Average sunshine: 6h and 54min).
Average sunshine days in October
West Covina, CA
- Average sunshine days in October: 26.4 days
The month with the most sunshine days is June (28 days).
The month with the least sunshine days is February (21.6 days).
Average UV index in October
West Covina, CA
- Average UV index in October: 5
The month with the highest UV index is August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover in October
West Covina, CA
- Average cloud cover in October: 10
The month with the most cloud cover is December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in October
West Covina, 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).
