August weather forecast
South El Monte, CA

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Weather in August

The last month of the summer, August, is another hot month in South El Monte, California, with an average temperature ranging between max 87.6°F (30.9°C) and min 64.9°F (18.3°C).

Temperature

August tends to be the warmest month, with temperatures averaging a daily high of 87.6°F (30.9°C) and a low of 64.9°F (18.3°C).

Heat index

In August, the heat index is computed to be a hot 89.6°F (32°C). If one endures exposure and continues to be active, it might result in tiredness and heat cramps.
For clarity, heat index numbers account for light winds and areas under shade. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a composite of temperature and humidity figures to convey how warm it feels. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.

Humidity

The average relative humidity in August in South El Monte, California, is 50%.

Rainfall

In South El Monte, in August, during 1.9 rainfall days, 0.08" (2mm) of precipitation is typically accumulated. In South El Monte, California, during the entire year, the rain falls for 43.3 days and collects up to 5.91" (150mm) of precipitation.

Daylight

In August, the average length of the day is 13h and 23min.
On the first day of August in South El Monte, 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 7:18 pm PDT.

Sunshine

In South El Monte, California, the average sunshine in August is 12h.

UV index

August is the month with the highest UV index in South El Monte, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily high UV index of 7 in August translates into this advice:
Deter overexposure. Protecting against the sun's effects is essential. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
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Frequently asked questions

What month is the hottest in South El Monte?

In South El Monte, California, the average temperatures in August are the highest, with a peak at 87.6°F (30.9°C) and a low of 64.9°F (18.3°C).

How hot is August in South El Monte?

During August, South El Monte experiences an average high-temperature of 87.6°F (30.9°C) and a low-temperature of 64.9°F (18.3°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 89.6°F (32°C).

What is the average humidity in August in South El Monte?

The average relative humidity in August is 50%.

How many days does it rain in August in South El Monte?

In August, in South El Monte, the rain falls for 1.9 days. Throughout August, 0.08" (2mm) of precipitation is accumulated.

What is the average length of the day in August in South El Monte?

In August, the average day length is 13h and 23min.

When are sunrise and sunset in August in South El Monte?

In August, on the first day of the month, sunrise is at 6:04 am and sunset at 7:52 pm. On the last day of the month, in South El Monte, sunrise is at 6:25 am and sunset at 7:18 pm PDT.

How many hours of sunshine does South El Monte have in August?

The average sunshine duration in August in South El Monte, California, is 12h.

When is the highest UV index in South El Monte?

With an average maximum UV index of 7, August is the month with the highest UV index in South El Monte, California.

What is the UV index intensity in August in South El Monte?

In South El Monte, California, the average daily maximum UV index in August is 7. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
South El Monte, CA

Average temperature in August - South El Monte, 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 (63.5°F).

  • Average low temperature in August: 64.9°F

The month with the highest average low temperature is August (64.9°F).
The coldest months (with the lowest average low temperature) are February and December (47.3°F).

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Average pressure in August
South El Monte, CA

Average pressure in August - South El Monte, 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).

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Average wind speed in August
South El Monte, CA

Average wind speed in August - South El Monte, CA
  • Average wind speed in August: 4.6mph

The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest months (with the lowest average wind speed) are September and October (4.5mph).

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Average humidity in August
South El Monte, CA

Average humidity in August - South El Monte, CA
  • Average humidity in August: 50%

The month with the highest relative humidity is June (58%).
The month with the lowest relative humidity is November (46%).

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Average rainfall in August
South El Monte, CA

Average rainfall in August - South El Monte, CA
  • Average rainfall in August: 0.08"

The wettest month (with the highest rainfall) is December (1.22").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in August
South El Monte, CA

Average rainfall days in August - South El Monte, CA
  • Average rainfall days in August: 1.9 days

The month with the highest number of rainy days is March (5.3 days).
The month with the least rainy days is June (1.2 days).

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Average daylight in August /
Average sunshine in August
South El Monte, CA

Average daylight in August / Average sunshine in August - South El Monte, 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 48min).

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Average sunshine days in August
South El Monte, CA

Average sunshine days in August - South El Monte, CA
  • Average sunshine days in August: 26.8 days

The month with the most sunshine days is June (27.6 days).
The month with the least sunshine days is February (22.6 days).

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Average UV index in August
South El Monte, CA

Average UV index in August - South El Monte, 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).

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Average cloud cover in August
South El Monte, CA

Average cloud cover in August - South El Monte, CA
  • Average cloud cover in August: 5

The month with the most cloud cover is December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in August
South El Monte, CA

Average visibility in August - South El Monte, 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).

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South El Monte, California, USA

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