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 notes an average high-temperature of a still moderately hot 77°F (25°C), subtly differing from September's 81.7°F (27.6°C). Spring Valley throughout October, experiences an average nighttime temperature of 59.7°F (15.4°C).Humidity
The average relative humidity in October in Spring Valley is 59%.Rainfall
June, July and October are months with the least rain when the rain falls for 1.5 days and typically aggregates up to 0.04" (1mm) of rain.Daylight
In October, the average length of the day is 11h and 21min.On the first day of the month, sunrise is at 6:42 am and sunset at 6:32 pm. On the last day of October, sunrise is at 7:05 am and sunset at 5:57 pm PDT.
Sunshine
The average sunshine in October is 8.9h.UV index
In October, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: A daily maximum UV index of 5 in October translates into the following instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
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?
What is the driest month?
How many days does it rain in October?
What is the average length of the day in October?
When are sunrise and sunset in October?
How many hours of sunshine does Spring Valley have in October?
How high is the UV index in October?
Average temperature in October
Spring Valley, CA
- Average high temperature in October: 77°F
The warmest month (with the highest average high temperature) is August (82.9°F).
The month with the lowest average high temperature is December (64.4°F).
- Average low temperature in October: 59.7°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 (48.7°F).
Average pressure in October
Spring Valley, CA
- Average pressure in October: 29.93"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in October
Spring Valley, CA
- Average wind speed in October: 4.5mph
The windiest month (with the highest average wind speed) is April (5.6mph).
The calmest month (with the lowest average wind speed) is October (4.5mph).
Average humidity in October
Spring Valley, CA
- Average humidity in October: 59%
The month with the highest relative humidity is May (67%).
The month with the lowest relative humidity is November (54%).
Average rainfall in October
Spring Valley, CA
- Average rainfall in October: 0.04"
The wettest month (with the highest rainfall) is February (0.55").
The driest months (with the least rainfall) are June, July and October (0.04").
Average rainfall days in October
Spring Valley, CA
- Average rainfall days in October: 1.5 days
The month with the highest number of rainy days is March (5.3 days).
The month with the least rainy days is June (0.8 days).
Average daylight in October /
Average sunshine in October
Spring Valley, CA
- Average daylight in October: 11h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in October: 8h and 5min
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 42min).
Average sunshine days in October
Spring Valley, CA
- Average sunshine days in October: 28.9 days
The month with the most sunshine days is October (28.9 days).
The month with the least sunshine days is February (23.4 days).
Average UV index in October
Spring Valley, 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 January, February, November and December (UV index 4).
Average cloud cover in October
Spring Valley, CA
- Average cloud cover in October: 13
The months with the most cloud cover are March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in October
Spring Valley, 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).
Spring Valley, California, USA
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