October weather forecast
Porter Ranch, CA

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Weather in October

October, like September, in Porter Ranch, California, is a moderately hot autumn month, with an average temperature varying between 58.5°F (14.7°C) and 76.5°F (24.7°C).

Temperature

The average high-temperature shows a slight dip in October, from September's 83.1°F (28.4°C) to a still warm 76.5°F (24.7°C). During the month of October, Porter Ranch experiences a steady low-temperature average of 58.5°F (14.7°C).

Humidity

The average relative humidity in October in Porter Ranch, California, is 48%.

Rainfall

In Porter Ranch, in October, during 2.9 rainfall days, 0.2" (5mm) of precipitation is typically accumulated. Throughout the year, there are 39.8 rainfall days, and 7.52" (191mm) of precipitation is accumulated.

Daylight

In Porter Ranch, the average length of the day in October is 11h and 19min.
On the first day of the month, sunrise is at 6:49 am and sunset at 6:37 pm. On the last day of October, in Porter Ranch, sunrise is at 7:13 am and sunset at 6:01 pm PDT.

Sunshine

In October, the average sunshine in Porter Ranch is 8.4h.

UV index

The average daily maximum UV index in October in Porter Ranch is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: A daily high UV index of 5 in October leads to these guidelines:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
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Frequently asked questions

What are the temperatures in Porter Ranch in October?

An average high-temperature, in October, in Porter Ranch, is 76.5°F (24.7°C) and the average low-temperature is 58.5°F (14.7°C). In September, the average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, is appraised at 84.2°F (29°C).

What is the average humidity in October in Porter Ranch?

The average relative humidity in October in Porter Ranch, California, is 48%.

How much does it rain in Porter Ranch in October?

In Porter Ranch, California, in October, during 2.9 rainfall days, 0.2" (5mm) of precipitation is typically accumulated.

How many hours of daylight does Porter Ranch have in October?

The average day length in October in Porter Ranch is 11h and 19min.

What time are sunrise and sunset in October in Porter Ranch?

On the first day of October in Porter Ranch, California, sunrise is at 6:49 am and sunset at 6:37 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 6:01 pm PDT.

How long on average sun shines in October in Porter Ranch?

In Porter Ranch, the average sunshine duration in October is 8.4h.

What is the UV index intensity in October in Porter Ranch?

The average daily maximum UV index in October in Porter Ranch is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Porter Ranch, CA

Average temperature in October - Porter Ranch, CA
  • Average high temperature in October: 76.5°F

The warmest month (with the highest average high temperature) is August (85.8°F).
The month with the lowest average high temperature is December (61.7°F).

  • Average low temperature in October: 58.5°F

The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is December (46.2°F).

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Average pressure in October
Porter Ranch, CA

Average pressure in October - Porter Ranch, CA
  • Average pressure in October: 29.95"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in October
Porter Ranch, CA

Average wind speed in October - Porter Ranch, CA
  • Average wind speed in October: 5.1mph

The windiest months (with the highest average wind speed) are January and December (6.2mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).

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Average humidity in October
Porter Ranch, CA

Average humidity in October - Porter Ranch, CA
  • Average humidity in October: 48%

The month with the highest relative humidity is June (58%).
The month with the lowest relative humidity is November (47%).

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Average rainfall in October
Porter Ranch, CA

Average rainfall in October - Porter Ranch, CA
  • Average rainfall in October: 0.2"

The wettest month (with the highest rainfall) is February (1.54").
The driest month (with the least rainfall) is June (0").

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Average rainfall days in October
Porter Ranch, CA

Average rainfall days in October - Porter Ranch, CA
  • Average rainfall days in October: 2.9 days

The month with the highest number of rainy days is March (6.3 days).
The month with the least rainy days is June (0.8 days).

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Average daylight in October /
Average sunshine in October
Porter Ranch, CA

Average daylight in October / Average sunshine in October - Porter Ranch, CA
  • Average daylight in October: 11h and 2min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in October: 8h and 2min

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

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Average sunshine days in October
Porter Ranch, CA

Average sunshine days in October - Porter Ranch, CA
  • Average sunshine days in October: 27.1 days

The month with the most sunshine days is May (28.8 days).
The month with the least sunshine days is February (22.9 days).

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Average UV index in October
Porter Ranch, CA

Average UV index in October - Porter Ranch, CA
  • Average UV index in October: 5

The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in October
Porter Ranch, CA

Average cloud cover in October - Porter Ranch, CA
  • Average cloud cover in October: 10

The month with the most cloud cover is March (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 4).

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Average visibility in October
Porter Ranch, CA

Average visibility in October - Porter Ranch, 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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Porter Ranch, California, USA

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