October weather forecast
Aliso Viejo, CA

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Weather in October

October, the same as September, is another warm autumn month in Aliso Viejo, California, with an average temperature varying between 60.6°F (15.9°C) and 75°F (23.9°C).

Temperature

Aliso Viejo's entry into October measures an average high-temperature of a still warm 75°F (23.9°C), closely parallel to the preceding month. In Aliso Viejo, the October nights cool down to an average low of 60.6°F (15.9°C).

Humidity

In October, the average relative humidity in Aliso Viejo is 62%.

Rainfall

In Aliso Viejo, in October, it is raining for 5 days, with typically 0.39" (10mm) of accumulated precipitation. In Aliso Viejo, during the entire year, the rain falls for 66.3 days and collects up to 5.67" (144mm) of precipitation.

Daylight

In Aliso Viejo, the average length of the day in October is 11h and 20min.
On the first day of the month, sunrise is at 6:45 am and sunset at 6:34 pm. On the last day of October, sunrise is at 7:09 am and sunset at 5:59 pm PDT.

Sunshine

In October, the average sunshine in Aliso Viejo is 8.5h.

UV index

The average daily maximum UV index in October in Aliso Viejo is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 5 during October translates into the following directions:
Guard yourself - An obligation to protect skin and eyes from harm exists. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
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Frequently asked questions

What are the temperatures in Aliso Viejo in October?

October temperatures in Aliso Viejo, California, vary between a high-temperature of 75°F (23.9°C) and a low-temperature of 60.6°F (15.9°C).

What is the average humidity in October in Aliso Viejo?

In Aliso Viejo, California, the average relative humidity in October is 62%.

How many days does it rain in October in Aliso Viejo?

In Aliso Viejo, California, in October, during 5 rainfall days, 0.39" (10mm) of precipitation is typically accumulated.

How many hours of daylight does Aliso Viejo have in October?

In Aliso Viejo, California, the average day length in October is 11h and 20min.

What time are sunrise and sunset in October in Aliso Viejo?

On the first day of October in Aliso Viejo, California, 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 5:59 pm PDT.

How many hours of sunshine does Aliso Viejo have in October?

In October, the average sunshine duration in Aliso Viejo is 8.5h.

How high is the UV index in October in Aliso Viejo?

The average daily maximum UV index in October in Aliso Viejo is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Aliso Viejo, CA

Average temperature in October - Aliso Viejo, CA
  • Average high temperature in October: 75°F

The warmest month (with the highest average high temperature) is August (80.2°F).
The month with the lowest average high temperature is December (62.8°F).

  • Average low temperature in October: 60.6°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 (49.6°F).

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Average pressure in October
Aliso Viejo, CA

Average pressure in October - Aliso Viejo, CA
  • Average pressure in October: 29.94"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in October
Aliso Viejo, CA

Average wind speed in October - Aliso Viejo, CA
  • Average wind speed in October: 4.7mph

The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest months (with the lowest average wind speed) are August, September and October (4.7mph).

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Average humidity in October
Aliso Viejo, CA

Average humidity in October - Aliso Viejo, CA
  • Average humidity in October: 62%

The month with the highest relative humidity is June (71%).
The month with the lowest relative humidity is November (56%).

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Average rainfall in October
Aliso Viejo, CA

Average rainfall in October - Aliso Viejo, CA
  • Average rainfall in October: 0.39"

The wettest month (with the highest rainfall) is December (0.87").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in October
Aliso Viejo, CA

Average rainfall days in October - Aliso Viejo, CA
  • Average rainfall days in October: 5 days

The month with the highest number of rainy days is March (8.3 days).
The month with the least rainy days is June (2.6 days).

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Average daylight in October /
Average sunshine in October
Aliso Viejo, CA

Average daylight in October / Average sunshine in October - Aliso Viejo, 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 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).

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Average sunshine days in October
Aliso Viejo, CA

Average sunshine days in October - Aliso Viejo, CA
  • Average sunshine days in October: 23.4 days

The month with the most sunshine days is January (24.1 days).
The month with the least sunshine days is February (19.6 days).

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Average UV index in October
Aliso Viejo, CA

Average UV index in October - Aliso Viejo, 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).

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Average cloud cover in October
Aliso Viejo, CA

Average cloud cover in October - Aliso Viejo, CA
  • Average cloud cover in October: 15

The months with the most cloud cover are March and December (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 7).

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Average visibility in October
Aliso Viejo, CA

Average visibility in October - Aliso Viejo, 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).

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Aliso Viejo, California, USA

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