August weather forecast and climate
Porterville, CA

Weather in August

August, the last month of the summer, in Porterville, is another very hot month, with average temperature ranging between max 96.8°F (36°C) and min 64.8°F (18.2°C).

Temperature

In August, the average high-temperature is practically the same as in July - a still sweltering 96.8°F (36°C). In Porterville, in August, the average low-temperature is 64.8°F (18.2°C).

Humidity

The least humid month is August, with an average relative humidity of 30%.

Rainfall

Months with the least rainfall in Porterville are June and August Rain falls for 0.5 days and accumulates 0.04" (1mm) of rain.

Snowfall

January, March through December are months without snowfall.

Daylight

The average length of the day in Porterville, California, is 13.5h.

Sunshine

In August, the average sunshine in Porterville, California, is 12h.

UV index

June through August, with an average maximum UV index of 7, are months with the highest UV index in Porterville. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to the UV radiation for average individuals.
Note: In August, the average maximum UV index of 7 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in August in Porterville?

The average high-temperature, in August, in Porterville, is 96.8°F (36°C), while the average low-temperature is 64.8°F (18.2°C).

What is the least humid month in Porterville?

August is the least humid month in Porterville, California, with an average relative humidity of 30%.

What is the average humidity in August in Porterville?

The average relative humidity in August in Porterville, California, is 30%.

How much does it rain in Porterville in August?

In Porterville, in August, during 0.5 rainfall days, 0.04" (1mm) of precipitation is typically accumulated.

What is the driest month in Porterville?

June and August are months with the least rain in Porterville when the rain falls for 0.5 days and typically aggregates up to 0.04" (1mm) of rain.

When it does not snow in Porterville?

In Porterville snow does not fall in January, March through December.

How many hours of daylight does Porterville have in August?

The average length of the day in August is 13.5h.

How many hours of sunshine does Porterville have in August?

The average sunshine in August in Porterville is 12h.

What are the months with the highest UV index in Porterville?

Months with the highest UV index in Porterville, California, are June through August, with an average maximum UV index of 7.

What is the UV index intensity in August in Porterville?

The average daily maximum UV index in August in Porterville is 7. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to the Sun's UV rays.

Average temperature in August
Porterville, CA

Average temperature in August - Porterville, CA
  • Average high temperature in August: 96.8°F

The warmest month (with the highest average high temperature) is July (97.7°F).
The month with the lowest average high temperature is December (57.6°F).

  • Average low temperature in August: 64.8°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is December (40.3°F).

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Average pressure in August
Porterville, CA

Average pressure in August - Porterville, CA
  • Average pressure in August: 29.9"

The month with the highest atmospheric pressure is January (30.14").
The month with the lowest atmospheric pressure is June (29.87").

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Average wind speed in August
Porterville, CA

Average wind speed in August - Porterville, CA
  • Average wind speed in August: 4.5mph

The windiest month (with the highest average wind speed) is June (5.2mph).
The calmest month (with the lowest average wind speed) is December (3.6mph).

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Average humidity in August
Porterville, CA

Average humidity in August - Porterville, CA
  • Average humidity in August: 30%

The month with the highest relative humidity is January (64%).
The month with the lowest relative humidity is August (30%).

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Average rainfall in August
Porterville, CA

Average rainfall in August - Porterville, CA
  • Average rainfall in August: 0.04"

The wettest month (with the highest rainfall) is March (1.93").
The driest months (with the least rainfall) are June and August (0.04").

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Average rainfall days in August
Porterville, CA

Average rainfall days in August - Porterville, CA
  • Average rainfall days in August: 0.5 days

The month with the highest number of rainy days is March (9.3 days).
The month with the least rainy days is August (0.5 days).

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Average snowfall days in August
Porterville, CA

Average snowfall days in August - Porterville, CA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (0.2 days).
Months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

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Average daylight in August /
Average sunshine in August
Porterville, CA

Average daylight in August / Average sunshine in August - Porterville, CA
  • Average daylight in August: 13.5h

The month with the longest days is June (Average daylight: 14.6h).
The month with the shortest days is December (Average daylight: 9.7h).

  • Average sunshine in August: 12h

Months with the most sunshine are June and July (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 6.8h).

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Average sunshine days in August
Porterville, CA

Average sunshine days in August - Porterville, CA
  • Average sunshine days in August: 28.8 days

The month with the most sunshine days is August (28.8 days).
The month with the least sunshine days is February (20.3 days).

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Average UV index in August
Porterville, CA

Average UV index in August - Porterville, CA
  • Average UV index in August: 7

Months with the highest UV index are June, July and August (UV index 7).
Months with the lowest UV index are January, November and December (UV index 3).

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Average cloud cover in August
Porterville, CA

Average cloud cover in August - Porterville, CA
  • Average cloud cover in August: 4

The month with the most cloud cover is March (Cloud cover 24).
Months with the least cloud cover are July and August (Cloud cover 4).

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Average visibility in August
Porterville, CA

Average visibility in August - Porterville, CA
  • Average visibility in August: 6mi

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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