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
August, recording an average high temperature of 86.5°F (30.3°C) and a low temperature of 65.8°F (18.8°C), is Montebello's warmest month.Heat index
August's mean heat index is calculated to be a tropical 89.6°F (32°C). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.Bear in mind that the heat index values are determined for shaded areas and light breezes. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
Humidity
In August, the average relative humidity in Montebello is 54%.Rainfall
In Montebello, during August, the rain falls for 1.4 days and regularly aggregates up to 0.08" (2mm) of precipitation. Throughout the year, in Montebello, California, there are 40.9 rainfall days, and 6.18" (157mm) of precipitation is accumulated.Daylight
In Montebello, the average length of the day in August is 13h and 23min.On the first day of August, sunrise is at 6:04 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 7:19 pm PDT.
Sunshine
July and August, with an average of 12h of sunshine, are months with the most sunshine.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 hazard from exposure to the Sun's UV rays for average individuals.Note: In August, the maximum UV index of 7 translates into these guidelines:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the warmest month in Montebello?
How hot is it in Montebello in August?
What is the average humidity in August in Montebello?
How many days does it rain in August in Montebello?
What is the average length of the day in August in Montebello?
When is the sunrise / sunset in August in Montebello?
What are the months with the most sunshine in Montebello?
How many hours of sunshine does Montebello have in August?
What is the month with the highest UV index in Montebello?
How high is the UV index in August in Montebello?
Average temperature in August
Montebello, 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 (48.9°F).
Average pressure in August
Montebello, CA
- Average pressure in August: 29.9"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
Montebello, CA
- Average wind speed in August: 4.7mph
The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest months (with the lowest average wind speed) are August, September and October (4.7mph).
Average humidity in August
Montebello, 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 (48%).
Average rainfall in August
Montebello, CA
- Average rainfall in August: 0.08"
The wettest month (with the highest rainfall) is December (1.3").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in August
Montebello, CA
- Average rainfall days in August: 1.4 days
The month with the highest number of rainy days is March (6 days).
The month with the least rainy days is June (1.2 days).
Average daylight in August /
Average sunshine in August
Montebello, 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 months with the least sunshine are January, February and December (Average sunshine: 6h and 48min).
Average sunshine days in August
Montebello, CA
- Average sunshine days in August: 27.6 days
The month with the most sunshine days is August (27.6 days).
The month with the least sunshine days is February (22.5 days).
Average UV index in August
Montebello, 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
Montebello, CA
- Average cloud cover in August: 5
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 5).
Average visibility in August
Montebello, 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).
Montebello, California, USA
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