October weather forecast and climate
Placentia, CA

Weather in October

October, the same as September, is another warm autumn month in Placentia, California, with temperature in the range of an average high of 77.9°F (25.5°C) and an average low of 61°F (16.1°C).

Temperature

In October, the average high-temperature slightly decreases, from 84°F (28.9°C) in September, to a still moderately hot 77.9°F (25.5°C). In October, in Placentia, the average low-temperature is 61°F (16.1°C).

Humidity

In Placentia, the average relative humidity in October is 54%.

Rainfall

In Placentia, during 3.6 rainfall days, 0.28" (7mm) of precipitation is typically accumulated. Throughout the year, there are 53.2 rainfall days, and 7.72" (196mm) of precipitation is accumulated.

Daylight

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

Sunshine

The average sunshine is 8.6h.

UV index

In October, the average daily maximum UV index in Placentia is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to the UV radiation for ordinary individuals.
Note: In October, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in October in Placentia?

In Placentia, California, in October, the average high-temperature is 77.9°F (25.5°C), and the average low-temperature is 61°F (16.1°C).

What is the average humidity in October in Placentia?

In October, the average relative humidity in Placentia, California, is 54%.

How much does it rain in Placentia in October?

In Placentia, in October, it is raining for 3.6 days, with typically 0.28" (7mm) of accumulated precipitation.

What is the average length of the day in October in Placentia?

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

How many hours of sunshine does Placentia have in October?

In October, the average sunshine in Placentia is 8.6h.

What is the UV index reading in October in Placentia?

The average daily maximum UV index in October in Placentia is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to the UV radiation.

Average temperature in October
Placentia, CA

Average temperature in October - Placentia, CA
  • Average high temperature in October: 77.9°F

The warmest month (with the highest average high temperature) is August (85.3°F).
The month with the lowest average high temperature is December (64.2°F).

  • Average low temperature in October: 61°F

The month with the highest average low temperature is August (65.7°F).
The coldest month (with the lowest average low temperature) is February (49.6°F).

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Average pressure in October
Placentia, CA

Average pressure in October - Placentia, CA
  • Average pressure in October: 29.95"

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

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Average wind speed in October
Placentia, CA

Average wind speed in October - Placentia, 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 September (4.5mph).

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Average humidity in October
Placentia, CA

Average humidity in October - Placentia, CA
  • Average humidity in October: 54%

The month with the highest relative humidity is June (63%).
The month with the lowest relative humidity is November (50%).

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Average rainfall in October
Placentia, CA

Average rainfall in October - Placentia, CA
  • Average rainfall in October: 0.28"

The wettest month (with the highest rainfall) is December (1.65").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in October
Placentia, CA

Average rainfall days in October - Placentia, CA
  • Average rainfall days in October: 3.6 days

The month with the highest number of rainy days is March (7.4 days).
The month with the least rainy days is June (1.4 days).

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Average daylight in October /
Average sunshine in October
Placentia, CA

Average daylight in October / Average sunshine in October - Placentia, 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: 9.9h).

  • Average sunshine in October: 8.6h

The month with the most sunshine is July (Average sunshine: 12.1h).
Months with the least sunshine are February and December (Average sunshine: 6.8).

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Average sunshine days in October
Placentia, CA

Average sunshine days in October - Placentia, CA
  • Average sunshine days in October: 24.5 days

The month with the most sunshine days is August (26.7 days).
The month with the least sunshine days is February (20.7 days).

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Average UV index in October
Placentia, CA

Average UV index in October - Placentia, 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, November and December (UV index 4).

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Average cloud cover in October
Placentia, CA

Average cloud cover in October - Placentia, CA
  • Average cloud cover in October: 11

Months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in October
Placentia, CA

Average visibility in October - Placentia, 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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