Climate and monthly weather forecast
Porter Ranch, CA

Weather in January

January, like December, in Porter Ranch, California, is another comfortable winter month, with average temperature varying between 47.8°F (8.8°C) and 63.1°F (17.3°C). In January, the average high-temperature is almost the same as in December - a still comfortable 63.1°F (17.3°C). Weather in January »

Weather in February

February, the last month of the winter, in Porter Ranch, is another comfortable month, with temperature in the range of an average high of 63°F (17.2°C) and an average low of 46.4°F (8°C). In February, the average high-temperature is almost the same as in January - a still comfortable 63°F (17.2°C). Weather in February »

Weather in March

March, the first month of the spring, in Porter Ranch, is still a comfortable month, with average temperature varying between 48.2°F (9°C) and 66.6°F (19.2°C). In Porter Ranch, the average high-temperature in March is essentially the same as in February - a still comfortable 66.6°F (19.2°C). Weather in March »

Weather in April

April in Porter Ranch, California, is a pleasant spring month, with average temperature ranging between max 70.3°F (21.3°C) and min 50.5°F (10.3°C). In April, the average high-temperature is essentially the same as in March - a pleasant 70.3°F (21.3°C). Weather in April »

Weather in May

May, the last month of the spring, in Porter Ranch, is a moderately hot month, with temperature in the range of an average low of 54.5°F (12.5°C) and an average high of 73.8°F (23.2°C). In Porter Ranch, the average high-temperature is almost the same as in April - a warm 73.8°F (23.2°C). Weather in May »

Weather in June

June, the first month of the summer, in Porter Ranch, is still a warm month, with average temperature ranging between min 58.6°F (14.8°C) and max 79.3°F (26.3°C). In June, the average high-temperature marginally rises, from a warm 73.8°F (23.2°C) in May, to a still moderately hot 79.3°F (26.3°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Porter Ranch, California, with average temperature fluctuating between 64°F (17.8°C) and 84.2°F (29°C). In Porter Ranch, the average high-temperature is almost the same as in June - a still moderately hot 84.2°F (29°C). Weather in July »

Weather in August

August, the last month of the summer, in Porter Ranch, is another warm month, with average temperature ranging between max 85.8°F (29.9°C) and min 64.9°F (18.3°C). August is the warmest month, with an average high-temperature of 85.8°F (29.9°C) and an average low-temperature of 64.9°F (18.3°C). The average heat index is appraised at a tropical 88°F (31.1°C). Weather in August »

Weather in September

September, the first month of the autumn, in Porter Ranch, is still a warm month, with temperature in the range of an average low of 62.6°F (17°C) and an average high of 83.1°F (28.4°C). In September, the average high-temperature is essentially the same as in August - a still warm 83.1°F (28.4°C). Weather in September »

Weather in October

October, the same as September, is another warm 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). In Porter Ranch, the average high-temperature in October slightly decreases, from a warm 83.1°F (28.4°C) in September, to a still moderately hot 76.5°F (24.7°C). Weather in October »

Weather in November

November, the last month of the autumn, in Porter Ranch, is another pleasant month, with average temperature ranging between max 69.4°F (20.8°C) and min 52.3°F (11.3°C). In November, the average high-temperature marginally drops, from a moderately hot 76.5°F (24.7°C) in October, to an agreeable 69.4°F (20.8°C). Weather in November »

Weather in December

The first month of the winter, December, is still a comfortable month in Porter Ranch, California, with average temperature ranging between min 46.2°F (7.9°C) and max 61.7°F (16.5°C). The coldest month is December, with an average high-temperature of 61.7°F (16.5°C) and an average low-temperature of 46.2°F (7.9°C). Weather in December »
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FAQ

How much does it rain in Porter Ranch?

Throughout the year, in Porter Ranch, there are 39.8 rainfall days, and 7.52" (191mm) of precipitation is accumulated.

What is the month with the least sunshine in Porter Ranch?

January, February and December, with an average of 6.8h of sunshine, are months with the least sunshine in Porter Ranch.

What is the wettest month in Porter Ranch?

February is the month with the most rainfall in Porter Ranch. Rain falls for 4.8 days and accumulates 1.54" (39mm) of precipitation.

What is the most humid month in Porter Ranch?

June is the most humid month in Porter Ranch, with an average relative humidity of 58%.

What is the driest month in Porter Ranch?

The only month without rainfall in Porter Ranch, California, is June.

When are the longest days in Porter Ranch?

The month with the longest days is June, with an average of 14.4h of daylight.

What is the month with the most sunshine in Porter Ranch?

Months with the most sunshine are June and July, with an average of 12.1h of sunshine.

What is the month with the highest UV index in Porter Ranch?

Months with the highest UV index are June through September, with an average maximum UV index of 6.

When does it rain in Porter Ranch?

Months with rainfall are January through May, July through December.

What is the warmest month in Porter Ranch?

August is the warmest month, with an average high-temperature of 85.8°F (29.9°C) and an average low-temperature of 64.9°F (18.3°C).

What is the least humid month in Porter Ranch?

With an average relative humidity of 47%, November is the least humid month in Porter Ranch.

What is the coldest month in Porter Ranch?

The coldest month in Porter Ranch is December, with an average high-temperature of 61.7°F (16.5°C) and an average low-temperature of 46.2°F (7.9°C).

What is the month with the shortest days in Porter Ranch?

The month with the shortest days is December, with an average of 9.9h of daylight.

When is the lowest UV index in Porter Ranch?

The month with the lowest UV index in Porter Ranch is December, with an average maximum UV index of 3.

Average temperature
Porter Ranch, CA

Average temperature - Porter Ranch, CA

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).

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
Porter Ranch, CA

Average pressure - Porter Ranch, CA

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

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Average wind speed
Porter Ranch, CA

Average wind speed - Porter Ranch, CA

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 rainfall
Porter Ranch, CA

Average rainfall - Porter Ranch, CA

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
Porter Ranch, CA

Average rainfall days - Porter Ranch, CA

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 / Average sunshine
Porter Ranch, CA

Average daylight / Average sunshine - Porter Ranch, CA

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

Months with the most sunshine are June and July (Average sunshine: 12.1h).
Months with the least sunshine are January, February and December (Average sunshine: 6.8).

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Average sunshine days
Porter Ranch, CA

Average sunshine days - Porter Ranch, CA

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 visibility
Porter Ranch, CA

Average visibility - Porter Ranch, CA

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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