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 shift into October finds Portola Hills at an average high-temperature of a still moderately hot 75.9°F (24.4°C), closely comparable to September's conditions. Portola Hills in October anticipates an average nighttime temperature of 59.9°F (15.5°C).Humidity
In Portola Hills, the average relative humidity in October is 60%.Rainfall
In Portola Hills, during October, the rain falls for 4.7 days and regularly aggregates up to 0.47" (12mm) of precipitation. In Portola Hills, during the entire year, the rain falls for 65.4 days and collects up to 9.17" (233mm) of precipitation.Daylight
In Portola Hills, California, the average length of the day in October is 11h and 20min.On the first day of October, sunrise is at 6:45 am and sunset at 6:34 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:58 pm PDT.
Sunshine
In October, the average sunshine is 8.5h.UV index
The average daily maximum UV index in October in Portola Hills is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 5 during October morphs into the following directions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Frequently asked questions
What is the average October temperature in Portola Hills?
What is the average humidity in October in Portola Hills?
How much does it rain in Portola Hills in October?
How many hours of daylight does Portola Hills have in October?
When are sunrise and sunset in October in Portola Hills?
How long on average sun shines in October in Portola Hills?
How high is the UV index in October in Portola Hills?
Average temperature in October
Portola Hills, CA
- Average high temperature in October: 75.9°F
The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (63.1°F).
- Average low temperature in October: 59.9°F
The month with the highest average low temperature is August (64.4°F).
The coldest month (with the lowest average low temperature) is February (48.7°F).
Average pressure in October
Portola Hills, CA
- Average pressure in October: 29.94"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.88"Hg).
Average wind speed in October
Portola Hills, 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 months (with the lowest average wind speed) are August and September (4.5mph).
Average humidity in October
Portola Hills, CA
- Average humidity in October: 60%
The months with the highest relative humidity are May and June (69%).
The month with the lowest relative humidity is November (55%).
Average rainfall in October
Portola Hills, CA
- Average rainfall in October: 0.47"
The wettest month (with the highest rainfall) is December (1.85").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in October
Portola Hills, CA
- Average rainfall days in October: 4.7 days
The month with the highest number of rainy days is March (8.1 days).
The month with the least rainy days is June (2 days).
Average daylight in October /
Average sunshine in October
Portola Hills, 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 3min
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
Portola Hills, CA
- Average sunshine days in October: 24.2 days
The months with the most sunshine days are January and October (24.2 days).
The month with the least sunshine days is May (19.3 days).
Average UV index in October
Portola Hills, 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, March, November and December (UV index 4).
Average cloud cover in October
Portola Hills, 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 6).
Average visibility in October
Portola Hills, 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).
Portola Hills, California, USA
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