Climate and monthly weather forecastPorter Ranch, CA
Climate and monthly weather forecast
Weather in January
January, the same as December, is another refreshing winter month in Porter Ranch, California, with an average temperature fluctuating between 47.8°F (8.8°C) and 63.1°F (17.3°C). The start of January marks an average high-temperature of a still enjoyable 63.1°F (17.3°C), hardly distinguishable from the conditions in December. Weather in January »Weather in February
The last month of the winter, February, is another refreshing month in Porter Ranch, California, with an average temperature varying between 63°F (17.2°C) and 46.4°F (8°C). The average high-temperature during February is a still refreshing 63°F (17.2°C), almost matching the conditions of the preceding month. Weather in February »Weather in March
The first month of the spring, March, is still a comfortable month in Porter Ranch, California, with an average temperature ranging between min 48.2°F (9°C) and max 66.6°F (19.2°C). Porter Ranch commences March with an average high-temperature of a still comfortable 66.6°F (19.2°C), maintaining a close resemblance to the previous month. Weather in March »Weather in April
April in Porter Ranch, California, is an agreeable spring month, with an average temperature fluctuating between 50.5°F (10.3°C) and 70.3°F (21.3°C). March's transformation into April witnesses an average high-temperature of an agreeable 70.3°F (21.3°C), noting a minor change from the preceding month. Weather in April »Weather in May
The last month of the spring, May, is a moderately hot month in Porter Ranch, California, with temperature in the range of an average high of 73.8°F (23.2°C) and an average low of 54.5°F (12.5°C). With the onset of May, the average high-temperature stands at a moderately hot 73.8°F (23.2°C), closely aligned with April's 70.3°F (21.3°C). Weather in May »Weather in June
The first month of the summer, June, is still a warm month in Porter Ranch, California, with an average temperature fluctuating between 58.6°F (14.8°C) and 79.3°F (26.3°C). The shift from May to June introduces a subtle increase in the average high-temperature, moving from 73.8°F (23.2°C) to a still warm 79.3°F (26.3°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Porter Ranch, California, with an average temperature fluctuating between 64°F (17.8°C) and 84.2°F (29°C). A minimal variation is noted in Porter Ranch's average high-temperature at the onset of July, reaching a still moderately hot 84.2°F (29°C) from June's 79.3°F (26.3°C). Weather in July »Weather in August
August, the last month of the summer in Porter Ranch, is another warm month, with temperature in the range of an average low of 64.9°F (18.3°C) and an average high of 85.8°F (29.9°C). Porter Ranch reaches its highest average temperatures in August, measuring 85.8°F (29.9°C) at the peak and 64.9°F (18.3°C) at the lowest. August's mean heat index is estimated at a tropical 87.8°F (31°C). Weather in August »Weather in September
September, the first month of the autumn in Porter Ranch, is also a moderately hot 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). The high-temperature average in September for Porter Ranch is a still moderately hot 83.1°F (28.4°C), staying closely aligned with August's conditions. Weather in September »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). 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). Weather in October »Weather in November
The last month of the autumn, November, is also an agreeable month in Porter Ranch, California, with an average temperature varying between 52.3°F (11.3°C) and 69.4°F (20.8°C). November's arrival subtly correlates with a reduction in the average high-temperature, down from a moderately hot 76.5°F (24.7°C) in October to a pleasant 69.4°F (20.8°C). Weather in November »Weather in December
The first month of the winter, December, is still a refreshing month in Porter Ranch, California, with an average temperature ranging between max 61.7°F (16.5°C) and min 46.2°F (7.9°C). December brings the lowest temperatures, with an average high of 61.7°F (16.5°C) and an average low of 46.2°F (7.9°C). Weather in December »Updated: Aug 6, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Porter Ranch, during the entire year, the rain falls for 39.8 days and collects up to 7.52" (191mm) of precipitation.
The months with the least sunshine are January, February and December, with an average of 6.8h of sunshine.
The month with the most rainfall is February, when the rain falls for 4.8 days and typically aggregates up to 1.54" (39mm) of precipitation.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.
The most humid month is June, with an average relative humidity of 58%.
June is the only month when rain does not fall.
With an average of 14h and 24min of daylight, June has the longest days of the year.
The months with the most sunshine are June and July, with an average of 12.1h of sunshine.
The months with the highest UV index are June through September, with an average maximum UV index of 6.
Months with rainfall are January through May, July through December.
The average temperatures reach their apex in August, averaging 85.8°F (29.9°C) at the high end and 64.9°F (18.3°C) at the low end.
With an average relative humidity of 47%, November is the least humid month.
December stands out as Porter Ranch's coldest month, with temperatures ranging between an average high of 61.7°F (16.5°C) and a low of 46.2°F (7.9°C).
With an average of 9h and 54min of daylight, December has the shortest days of the year.
The month with the lowest UV index is December, with an average maximum UV index of 3.
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).
Average pressure
Porter Ranch, CA
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.89"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.9"Hg - Average pressure in September:
29.9"Hg - Average pressure in October:
29.95"Hg - Average pressure in November:
30.03"Hg - Average pressure in December:
30.08"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
Porter Ranch, CA
- Average wind speed in January:
6.2mph - Average wind speed in February:
5.8mph - Average wind speed in March:
5.8mph - Average wind speed in April:
6.1mph - Average wind speed in May:
5.6mph - Average wind speed in June:
5.2mph
- Average wind speed in July:
4.9mph - Average wind speed in August:
4.7mph - Average wind speed in September:
4.5mph - Average wind speed in October:
5.1mph - Average wind speed in November:
5.7mph - Average wind speed in December:
6.2mph
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
Porter Ranch, CA
The month with the highest relative humidity is June (58%).
The month with the lowest relative humidity is November (47%).
Average rainfall
Porter Ranch, CA
- Average rainfall in July:
0.08" - Average rainfall in August:
0.08" - Average rainfall in September:
0.12" - Average rainfall in October:
0.2" - Average rainfall in November:
0.75" - Average rainfall in December:
1.42"
The wettest month (with the highest rainfall) is February (1.54").
The driest month (with the least rainfall) is June (0").
Average rainfall days
Porter Ranch, CA
- Average rainfall days in January:
4.7 days - Average rainfall days in February:
4.8 days - Average rainfall days in March:
6.3 days - Average rainfall days in April:
4.3 days - Average rainfall days in May:
1.8 days - Average rainfall days in June:
0.8 days
- Average rainfall days in July:
1.9 days - Average rainfall days in August:
1.2 days - Average rainfall days in September:
2.6 days - Average rainfall days in October:
2.9 days - Average rainfall days in November:
3.5 days - Average rainfall days in December:
5 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 / Average sunshine
Porter Ranch, CA
- Average daylight in January:
10h and 12min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 24min
- Average daylight in July:
14h and 12min - Average daylight in August:
13h and 24min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 24min - Average daylight in December:
9h and 54min
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 January:
6h and 48min - Average sunshine in February:
6h and 48min - Average sunshine in March:
8h and 48min - Average sunshine in April:
11h and 12min - Average sunshine in May:
11h and 36min - Average sunshine in June:
12h and 6min
- Average sunshine in July:
12h and 6min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 48min - Average sunshine in October:
8h and 24min - Average sunshine in November:
7h and 18min - Average sunshine in December:
6h and 48min
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
Porter Ranch, CA
- Average sunshine days in January:
25.6 days - Average sunshine days in February:
22.9 days - Average sunshine days in March:
24.3 days - Average sunshine days in April:
25.5 days - Average sunshine days in May:
28.8 days - Average sunshine days in June:
28.5 days
- Average sunshine days in July:
28 days - Average sunshine days in August:
28.7 days - Average sunshine days in September:
26.7 days - Average sunshine days in October:
27.1 days - Average sunshine days in November:
25.5 days - Average sunshine days in December:
25.2 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
Porter Ranch, CA
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
Porter Ranch, CA
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
Porter Ranch, CA
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).
