October weather forecast
Placentia, CA

Weather in October

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

Temperature

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

Humidity

In October, the average relative humidity is 54%.

Rainfall

In October, the rain falls for 3.6 days. Throughout October, 0.28" (7mm) of precipitation is accumulated. Throughout the year, there are 53.2 rainfall days, and 7.72" (196mm) of precipitation is accumulated.

Daylight

In October, the average length of the day in Placentia is 11h and 19min.
On the first day of the month, sunrise is at 6:45 am and sunset at 6:36 pm. On the last day of October, sunrise is at 7:09 am and sunset at 6:00 pm PDT.

Sunshine

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

UV index

In Placentia, California, the average daily maximum UV index in October is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 5 in October interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the 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, in October, the average high-temperature is 77.9°F (25.5°C), and the average low-temperature is 61°F (16.1°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, in September is estimated at 86°F (30°C).

What is the average humidity in October in Placentia?

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

How many days does it rain in October in Placentia?

In Placentia, California, 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?

In Placentia, the average day length in October is 11h and 19min.

When is the sunrise / sunset in October in Placentia?

In October, on the first day of the month, sunrise is at 6:45 am and sunset at 6:36 pm. On the last day of the month, in Placentia, California, sunrise is at 7:09 am and sunset at 6:00 pm PDT.

How long on average sun shines in October in Placentia?

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

How high is the UV index in October in Placentia?

In October, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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"Hg

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

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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: 11h and 19min

The month with the longest days is June (Average daylight: 14h and 22min).
The month with the shortest days is December (Average daylight: 9h and 56min).

  • Average sunshine in October: 8h and 36min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are February and December (Average sunshine: 6h and 48min).

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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

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, 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

The 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

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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