October weather forecastPorter Ranch, CA
October
Weather in October
October, the same as September, is a moderately hot autumn month in Porter Ranch, California, with temperature in the range of an average high of 76.5°F (24.7°C) and an average low of 58.5°F (14.7°C).Temperature
The start of October signals a gentle decrease in the average high-temperature, transitioning from a warm 83.1°F (28.4°C) in September to a still moderately hot 76.5°F (24.7°C). Porter Ranch, in October, witnesses an average low-temperature of 58.5°F (14.7°C).Humidity
In October, the average relative humidity is 48%.Rainfall
In Porter Ranch, in October, during 2.9 rainfall days, 0.2" (5mm) of precipitation is typically accumulated. In Porter Ranch, during the entire year, the rain falls for 39.8 days and collects up to 7.52" (191mm) of precipitation.Daylight
In October, the average length of the day is 11h and 19min.On the first day of October, 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.
Sunshine
In October, the average sunshine is 8.4h.UV index
In Porter Ranch, California, the average daily maximum UV index in October is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: In October, a daily maximum UV index of 5 leads to the following instructions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
Average daylight in October /
Average sunshine in October
Porter Ranch, CA
- Average daylight in October: 11h and 18min
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 24min
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).
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).
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).
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).
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).
