October weather forecast and climate
Aliso Viejo, CA

Weather in October

October, the same as September, is a moderately hot autumn month in Aliso Viejo, California, with average temperature fluctuating between 60.6°F (15.9°C) and 75°F (23.9°C).

Temperature

In Aliso Viejo, the average high-temperature in October is almost the same as in September - a still warm 75°F (23.9°C). The average low-temperature, in October, is 60.6°F (15.9°C).

Humidity

In October, the average relative humidity is 62%.

Rainfall

In October, the rain falls for 5 days. Throughout October, 0.39" (10mm) of precipitation is accumulated. Throughout the year, there are 66.3 rainfall days, and 5.67" (144mm) of precipitation is accumulated.

Daylight

In Aliso Viejo, the average length of the day is 11.3h.

Sunshine

The average sunshine in Aliso Viejo is 8.5h.

UV index

The average daily maximum UV index in October is 5. A UV Index reading of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in October in Aliso Viejo?

The average high-temperature, in October, in Aliso Viejo, California, is 75°F (23.9°C), while the average low-temperature is 60.6°F (15.9°C).

What is the average humidity in October in Aliso Viejo?

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

How much does it rain in Aliso Viejo in October?

In October, in Aliso Viejo, California, the rain falls for 5 days. Throughout October, 0.39" (10mm) of precipitation is accumulated.

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

The average length of the day in October is 11.3h.

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

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

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

In Aliso Viejo, California, the average daily maximum UV index in October is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV rays.

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"

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

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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: 11.3h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in October: 8.5h

Months with the most sunshine are July and August (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 6.6h).

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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

Months with the highest UV index are June, July, August and September (UV index 6).
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

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

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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