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 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
Whittier's August weather reaches an average high of 86.5°F (30.3°C) and an average low of 65.8°F (18.8°C), making it the warmest month.Heat index
For August, the heat index is evaluated at a tropical 89.6°F (32°C). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.It is important to note that the heat index values are for shaded areas and light wind scenarios. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
Humidity
The average relative humidity in August is 54%.Rainfall
In Whittier, in August, during 1.3 rainfall days, 0.08" (2mm) of precipitation is typically accumulated. In Whittier, California, during the entire year, the rain falls for 38.2 days and collects up to 5.28" (134mm) of precipitation.Daylight
In Whittier, the average length of the day in August is 13h and 23min.On the first day of the month, sunrise is at 6:04 am and sunset at 7:52 pm. On the last day of August, sunrise is at 6:25 am and sunset at 7:18 pm PDT.
Sunshine
July and August, with an average of 12h of sunshine, are months with the most sunshine.UV index
August is the month with the highest UV index in Whittier, California, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the average person.Note: The UV index of 7 during August leads to these advisories:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the hottest in Whittier?
How hot is August in Whittier?
What is the average humidity in August in Whittier?
How many days does it rain in August in Whittier?
What is the average length of the day in August in Whittier?
When are sunrise and sunset in August in Whittier?
What is the month with the most sunshine in Whittier?
How long on average sun shines in August in Whittier?
What is the month with the highest UV index in Whittier?
What is the UV index reading in August in Whittier?
Average temperature in August
Whittier, CA
- Average high temperature in August: 86.5°F
The warmest month (with the highest average high temperature) is August (86.5°F).
The month with the lowest average high temperature is December (64.9°F).
- Average low temperature in August: 65.8°F
The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is February (49.8°F).
Average pressure in August
Whittier, CA
- Average pressure in August: 29.89"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in August
Whittier, CA
- Average wind speed in August: 4.8mph
The windiest month (with the highest average wind speed) is April (6mph).
The calmest months (with the lowest average wind speed) are September and October (4.7mph).
Average humidity in August
Whittier, CA
- Average humidity in August: 54%
The month with the highest relative humidity is June (62%).
The month with the lowest relative humidity is November (47%).
Average rainfall in August
Whittier, CA
- Average rainfall in August: 0.08"
The wettest month (with the highest rainfall) is December (1.14").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in August
Whittier, CA
- Average rainfall days in August: 1.3 days
The month with the highest number of rainy days is March (5.1 days).
The month with the least rainy days is June (1 days).
Average daylight in August /
Average sunshine in August
Whittier, CA
- Average daylight in August: 13h and 2min
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 August: 12h and 0min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).
Average sunshine days in August
Whittier, CA
- Average sunshine days in August: 27.8 days
The month with the most sunshine days is June (27.9 days).
The month with the least sunshine days is February (22.6 days).
Average UV index in August
Whittier, CA
- Average UV index in August: 7
The month with the highest UV index is August (UV index 7).
The months with the lowest UV index are February, November and December (UV index 4).
Average cloud cover in August
Whittier, CA
- Average cloud cover in August: 6
The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in August
Whittier, 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).
Whittier, California, USA
Weather forecast for your location
2. Allow the app to use your location