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 arrival of October is marked by a minor reduction in average high-temperature, sliding from a hot 87.3°F (30.7°C) in September to a moderately hot 79.3°F (26.3°C). Walnut observes an average low-temperature of 59.5°F (15.3°C) during October nights.Humidity
In Walnut, the average relative humidity in October is 48%.Rainfall
In October, the rain falls for 2.7 days. Throughout October, 0.16" (4mm) of precipitation is accumulated. In Walnut, during the entire year, the rain falls for 43.1 days and collects up to 6.89" (175mm) of precipitation.Daylight
In Walnut, the average length of the day in October is 11h and 19min.On the first day of the month, sunrise is at 6:46 am and sunset at 6:35 pm. On the last day of October, sunrise is at 7:10 am and sunset at 5:59 pm PDT.
Sunshine
In October, the average sunshine in Walnut is 8.7h.UV index
In October, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum daily UV index of 5 during October morphs into the following directions:
Undertake protective steps - Preventing sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average October temperature?
What is the average humidity in October in Walnut?
How much does it rain in October?
What is the average length of the day in October?
When are sunrise and sunset in October in Walnut?
How many hours of sunshine does Walnut have in October?
How high is the UV index in October?
Average temperature in October
Walnut, CA
- Average high temperature in October: 79.3°F
The warmest month (with the highest average high temperature) is August (89.2°F).
The month with the lowest average high temperature is December (63.7°F).
- Average low temperature in October: 59.5°F
The month with the highest average low temperature is August (66.2°F).
The coldest months (with the lowest average low temperature) are February and December (47.7°F).
Average pressure in October
Walnut, 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 (29.87"Hg).
Average wind speed in October
Walnut, CA
- Average wind speed in October: 4.6mph
The windiest months (with the highest average wind speed) are April and May (5.7mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).
Average humidity in October
Walnut, CA
- Average humidity in October: 48%
The months with the highest relative humidity are May and June (56%).
The month with the lowest relative humidity is November (45%).
Average rainfall in October
Walnut, CA
- Average rainfall in October: 0.16"
The wettest month (with the highest rainfall) is December (1.57").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in October
Walnut, CA
- Average rainfall days in October: 2.7 days
The month with the highest number of rainy days is March (6.6 days).
The month with the least rainy days is June (1 days).
Average daylight in October /
Average sunshine in October
Walnut, 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 4min
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 48min).
Average sunshine days in October
Walnut, CA
- Average sunshine days in October: 27 days
The month with the most sunshine days is June (28.6 days).
The month with the least sunshine days is February (22 days).
Average UV index in October
Walnut, CA
- Average UV index in October: 5
The months with the highest UV index are July and 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
Walnut, CA
- Average cloud cover in October: 10
The months with the most cloud cover are February, March and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in October
Walnut, 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).
Walnut, California, USA
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