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
In October, Fountain Valley's weather conditions record an average high-temperature of a still moderately hot 74.3°F (23.5°C), demonstrating little divergence from the preceding month. Fountain Valley reports an average low-temperature of 62.1°F (16.7°C) during the nights of October.Humidity
In Fountain Valley, the average relative humidity in October is 62%.Rainfall
In Fountain Valley, California, in October, during 4.7 rainfall days, 0.43" (11mm) of precipitation is typically accumulated. In Fountain Valley, during the entire year, the rain falls for 59.1 days and collects up to 8.86" (225mm) of precipitation.Daylight
In October, the average length of the day is 11h and 20min.On the first day of October in Fountain Valley, sunrise is at 6:46 am and sunset at 6:35 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:00 pm PDT.
Sunshine
In Fountain Valley, the average sunshine in October is 8.4h.UV index
The average daily maximum UV index in October in Fountain Valley is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 5 in October translates into this advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Fountain Valley in October?
What is the average humidity in October in Fountain Valley?
How many days does it rain in October in Fountain Valley?
What is the average length of the day in October in Fountain Valley?
When is the sunrise / sunset in October in Fountain Valley?
How long on average sun shines in October in Fountain Valley?
How high is the UV index in October in Fountain Valley?
Average temperature in October
Fountain Valley, CA
- Average high temperature in October: 74.3°F
The warmest month (with the highest average high temperature) is August (78.1°F).
The month with the lowest average high temperature is December (62.6°F).
- Average low temperature in October: 62.1°F
The month with the highest average low temperature is August (65.1°F).
The coldest month (with the lowest average low temperature) is February (51.8°F).
Average pressure in October
Fountain Valley, 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
Fountain Valley, CA
- Average wind speed in October: 5.2mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest months (with the lowest average wind speed) are September and October (5.2mph).
Average humidity in October
Fountain Valley, CA
- Average humidity in October: 62%
The month with the highest relative humidity is June (72%).
The month with the lowest relative humidity is November (56%).
Average rainfall in October
Fountain Valley, CA
- Average rainfall in October: 0.43"
The wettest month (with the highest rainfall) is December (1.81").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in October
Fountain Valley, CA
- Average rainfall days in October: 4.7 days
The month with the highest number of rainy days is March (7.9 days).
The month with the least rainy days is August (2.1 days).
Average daylight in October /
Average sunshine in October
Fountain Valley, 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: 10h and 0min).
- Average sunshine in October: 8h and 2min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in October
Fountain Valley, CA
- Average sunshine days in October: 23 days
The month with the most sunshine days is August (26.8 days).
The month with the least sunshine days is February (20 days).
Average UV index in October
Fountain Valley, CA
- Average UV index in October: 5
The months with the highest UV index are July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in October
Fountain Valley, CA
- Average cloud cover in October: 14
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
Fountain 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).
Fountain Valley, California, USA
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