Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
As Porterville welcomes August, the average high-temperature stabilizes at a still sweltering 96.8°F (36°C), showing little deviation from July's 97.7°F (36.5°C). The nighttime temperature shows a significant divergence from the daytime highs, averaging at a comfortable 64.8°F (18.2°C) in August.Humidity
August is the least humid month, with an average relative humidity of 30%.Rainfall
The months with the least rainfall are June and August Rain falls for 0.5 days and accumulates 0.04" (1mm) of rain.Snowfall
In Porterville, snow does not fall in January, March through December.Daylight
In August, the average length of the day is 13h and 29min.On the first day of August, sunrise is at 6:03 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:24 pm PDT.
Sunshine
The average sunshine in August is 12h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.Note: In August, the maximum UV index of 7 suggests this advice:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in August?
What is the least humid month in Porterville?
What is the average humidity in August?
What is the driest month?
How much does it rain in August?
When it does not snow?
How many hours of daylight does Porterville have in August?
What time are sunrise and sunset in August?
How many hours of sunshine does Porterville have in August?
What is the month with the highest UV index?
How high is the UV index in August?
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).
Average pressure in August
Porterville, CA
- Average pressure in August: 29.9"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
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).
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%).
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").
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).
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).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in August /
Average sunshine in August
Porterville, CA
- Average daylight in August: 13h and 3min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in August: 12h and 0min
The months with the most sunshine are June and July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
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).
Average UV index in August
Porterville, CA
- Average UV index in August: 7
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).
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).
The months with the least cloud cover are July and August (Cloud cover 4).
Average visibility in August
Porterville, CA
- Average visibility in August: 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).
Porterville, California, USA
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