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
With average temperatures fluctuating between a high of 91.2°F (32.9°C) and a low of 66.7°F (19.3°C), August stands out as the warmest month.Heat index
In August, the average heat index is computed to be a hot 93.2°F (34°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.Heat index guidelines indicate values are for light wind scenarios and shaded regions. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
Humidity
The least humid month is August, with an average relative humidity of 41%.Rainfall
In August, the rain falls for 1.6 days. Throughout August, 0.12" (3mm) of precipitation is accumulated. Throughout the year, there are 50.5 rainfall days, and 7.56" (192mm) of precipitation is accumulated.Daylight
In August, the average length of the day is 13h and 23min.On the first day of the month, sunrise is at 6:02 am and sunset at 7:51 pm. On the last day of August, sunrise is at 6:23 am and sunset at 7:17 pm PDT.
Sunshine
The average sunshine in August is 12h.UV index
The months with the highest UV index are July and August, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The average daily UV index of 7 in August transforms into the following instructions:
Prevent overexposure. Protection from the sun's harmful effects is needed. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Frequently asked questions
What is the warmest month in Alta Loma?
How hot does it get in Alta Loma in August?
What is the least humid month in Alta Loma?
What is the average humidity in August in Alta Loma?
How much does it rain in Alta Loma in August?
What is the average length of the day in August in Alta Loma?
What time are sunrise and sunset in August in Alta Loma?
How long on average sun shines in August in Alta Loma?
What is the month with the highest UV index in Alta Loma?
What is the UV index intensity in August in Alta Loma?
Average temperature in August
Alta Loma, CA
- Average high temperature in August: 91.2°F
The warmest month (with the highest average high temperature) is August (91.2°F).
The month with the lowest average high temperature is December (61.3°F).
- Average low temperature in August: 66.7°F
The month with the highest average low temperature is August (66.7°F).
The coldest month (with the lowest average low temperature) is February (45.1°F).
Average pressure in August
Alta Loma, CA
- Average pressure in August: 29.88"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in August
Alta Loma, CA
- Average wind speed in August: 4.8mph
The windiest months (with the highest average wind speed) are April and May (5.9mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).
Average humidity in August
Alta Loma, CA
- Average humidity in August: 41%
The months with the highest relative humidity are February, March and May (53%).
The month with the lowest relative humidity is August (41%).
Average rainfall in August
Alta Loma, CA
- Average rainfall in August: 0.12"
The wettest month (with the highest rainfall) is February (1.73").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in August
Alta Loma, CA
- Average rainfall days in August: 1.6 days
The month with the highest number of rainy days is March (7.5 days).
The month with the least rainy days is June (1.2 days).
Average daylight in August /
Average sunshine in August
Alta Loma, 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 month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is February (Average sunshine: 6h and 54min).
Average sunshine days in August
Alta Loma, CA
- Average sunshine days in August: 26.7 days
The month with the most sunshine days is June (27.7 days).
The month with the least sunshine days is February (21.4 days).
Average UV index in August
Alta Loma, CA
- Average UV index in August: 7
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in August
Alta Loma, CA
- Average cloud cover in August: 4
The months with the most cloud cover are March and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 4).
Average visibility in August
Alta Loma, 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).
Alta Loma, California, USA
Weather forecast for your location
2. Allow the app to use your location
