October weather forecast and climate
Mission Viejo, CA

The calm waters on Lake Mission Viejo, California,
The calm waters on Lake Mission Viejo, California,

Weather in October

October, like September, in Mission Viejo, California, is another warm autumn month, with average temperature fluctuating between 60.1°F (15.6°C) and 75.2°F (24°C).

Temperature

In October, the average high-temperature is relatively the same as in September - a still moderately hot 75.2°F (24°C). The average low-temperature, in Mission Viejo, California, is 60.1°F (15.6°C).

Humidity

The average relative humidity in October is 61%.

Rainfall

In Mission Viejo, during 4.7 rainfall days, 0.35" (9mm) of precipitation is typically accumulated. In Mission Viejo, during the entire year, the rain falls for 64.1 days and collects up to 5.67" (144mm) of precipitation.

Daylight

The average length of the day in Mission Viejo, California, is 11.3h.

Sunshine

In Mission Viejo, the average sunshine in October is 8.4h.

UV index

The average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against sunburn is recommended. 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 Mission Viejo?

The average high-temperature, in October, in Mission Viejo, California, is 75.2°F (24°C), while the average low-temperature is 60.1°F (15.6°C).

What is the average humidity in October in Mission Viejo?

In October, the average relative humidity in Mission Viejo is 61%.

How much does it rain in Mission Viejo in October?

In Mission Viejo, during October, the rain falls for 4.7 days and regularly aggregates up to 0.35" (9mm) of precipitation.

What is the average length of the day in October in Mission Viejo?

In October, the average length of the day is 11.3h.

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

In October, the average sunshine is 8.4h.

What is the UV index intensity in October in Mission Viejo?

In October, the average daily maximum UV index in Mission Viejo, California, is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to the UV radiation.

Average temperature in October
Mission Viejo, CA

Average temperature in October - Mission Viejo, CA
  • Average high temperature in October: 75.2°F

The warmest month (with the highest average high temperature) is August (80.8°F).
The month with the lowest average high temperature is December (63°F).

  • Average low temperature in October: 60.1°F

The month with the highest average low temperature is August (64°F).
The coldest month (with the lowest average low temperature) is February (48.7°F).

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Average pressure in October
Mission Viejo, CA

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

The month with the highest atmospheric pressure is January (30.1").
Months with the lowest atmospheric pressure are June and September (29.88").

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Average wind speed in October
Mission Viejo, CA

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

The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

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Average humidity in October
Mission Viejo, CA

Average humidity in October - Mission Viejo, CA
  • Average humidity in October: 61%

Months with the highest relative humidity are May and June (70%).
The month with the lowest relative humidity is November (56%).

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Average rainfall in October
Mission Viejo, CA

Average rainfall in October - Mission Viejo, CA
  • Average rainfall in October: 0.35"

The wettest month (with the highest rainfall) is December (0.98").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in October
Mission Viejo, CA

Average rainfall days in October - Mission Viejo, CA
  • Average rainfall days in October: 4.7 days

The month with the highest number of rainy days is March (8.4 days).
The month with the least rainy days is June (2.3 days).

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

Average daylight in October / Average sunshine in October - Mission 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: 8.4h

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
Mission Viejo, CA

Average sunshine days in October - Mission Viejo, CA
  • Average sunshine days in October: 23.6 days

Months with the most sunshine days are January and August (24.4 days).
The month with the least sunshine days is May (19.5 days).

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Average UV index in October
Mission Viejo, CA

Average UV index in October - Mission 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
Mission Viejo, CA

Average cloud cover in October - Mission 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
Mission Viejo, CA

Average visibility in October - Mission 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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