August weather forecastHacienda Heights, CA
August
Weather in August
The last month of the summer, August, is a hot month in Hacienda Heights, California, with an average temperature fluctuating between 87.6°F (30.9°C) and 65.8°F (18.8°C).Temperature
August, known for its average high temperature of 87.6°F (30.9°C) and an average low temperature of 65.8°F (18.8°C), is the warmest month.Heat index
For most parts of August, the heat index is calculated to be a hot 91.4°F (33°C). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.Be informed that the heat index values are oriented around shady conditions and gentle breezes. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Humidity
The average relative humidity in August is 52%.Rainfall
June and August are months with the least rain when the rain falls for 1.3 days and typically aggregates up to 0.04" (1mm) of rain.Daylight
In August, the average length of the day in Hacienda Heights is 13h and 23min.On the first day of August, sunrise is at 6:03 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 7:18 pm PDT.
Sunshine
The average sunshine in August is 12h.UV index
With an average maximum UV index of 7, August is the month with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 7 in August converts into the following recommendations:
Resist extreme sun exposure. Guarding against solar damage is essential. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Hacienda Heights, CA
- Average high temperature in August: 87.6°F
The warmest month (with the highest average high temperature) is August (87.6°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 (49.3°F).
Average pressure in August
Hacienda Heights, 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
Hacienda Heights, CA
- Average wind speed in August: 4.8mph
The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest months (with the lowest average wind speed) are September and October (4.7mph).
Average humidity in August
Hacienda Heights, CA
- Average humidity in August: 52%
The month with the highest relative humidity is June (60%).
The month with the lowest relative humidity is November (47%).
Average rainfall in August
Hacienda Heights, CA
- Average rainfall in August: 0.04"
The wettest month (with the highest rainfall) is December (1.46").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in August
Hacienda Heights, CA
- Average rainfall days in August: 1.3 days
The month with the highest number of rainy days is March (5.8 days).
The month with the least rainy days is June (1.2 days).
Average daylight in August /
Average sunshine in August
Hacienda Heights, CA
- Average daylight in August: 13h and 24min
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 month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).
Average sunshine days in August
Hacienda Heights, CA
- Average sunshine days in August: 28.6 days
The month with the most sunshine days is August (28.6 days).
The month with the least sunshine days is February (22.6 days).
Average UV index in August
Hacienda Heights, 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 January, February, November and December (UV index 4).
Average cloud cover in August
Hacienda Heights, CA
- Average cloud cover in August: 5
The months with the most cloud cover are February, March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in August
Hacienda Heights, 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).
