August weather forecast
El Monte, CA

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Weather in August

August, the last month of the summer in El Monte, is another tropical month, with an average temperature fluctuating between 87.6°F (30.9°C) and 64.9°F (18.3°C).

Temperature

August is El Monte's warmest month, registering average high temperatures of 87.6°F (30.9°C) and lows of 64.9°F (18.3°C).

Heat index

August's mean heat index is calculated to be a tropical 89.6°F (32°C). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.
It is important to note that the heat index values are for shaded areas and light wind scenarios. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'felt air temperature' or 'feels like', reflects the feeling of heat when considering both air temperature and humidity. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.

Humidity

In August, the average relative humidity is 50%.

Rainfall

In August, in El Monte, the rain falls for 1.9 days. Throughout August, 0.08" (2mm) of precipitation is accumulated. Throughout the year, there are 43.3 rainfall days, and 5.91" (150mm) of precipitation is accumulated.

Daylight

The average length of the day in August in El Monte 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 7:18 pm PDT.

Sunshine

The average sunshine in August is 12h.

UV index

The month with the highest UV index in El Monte is August, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: An average maximum UV index of 7 in August leads to these recommendations:
Deflect overexposure. Sun protection is a necessity. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

Frequently asked questions

What part of the year is the hottest in El Monte?

August, marked by an average high-temperature of 87.6°F (30.9°C) and a low-temperature of 64.9°F (18.3°C), is the warmest month.

How hot is August in El Monte?

The average high-temperature and low-temperature in El Monte, California, during August are 87.6°F (30.9°C) and 64.9°F (18.3°C) respectively. In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 89.6°F (32°C).

What is the average humidity in August in El Monte?

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

How much does it rain in El Monte in August?

In August, in El Monte, California, 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 El Monte?

In August, the average day length in El Monte, California, is 13h and 23min.

When is the sunrise / sunset in August in 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 El Monte, California, sunrise is at 6:25 am and sunset at 7:18 pm PDT.

How long on average sun shines in August in El Monte?

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

When is the highest UV index in El Monte?

With an average maximum UV index of 7, August is the month with the highest UV index.

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

In August, the average daily maximum UV index in El Monte, California, is 7. A UV Index reading of 6 to 7 represents a high hazard to health from 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
El Monte, CA

Average temperature in August - 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).

Average pressure in August
El Monte, CA

Average pressure in August - 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).

Average wind speed in August
El Monte, CA

Average wind speed in August - 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).

Average humidity in August
El Monte, CA

Average humidity in August - 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%).

Average rainfall in August
El Monte, CA

Average rainfall in August - 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").

Average rainfall days in August
El Monte, CA

Average rainfall days in August - 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).

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

Average daylight in August / Average sunshine in August - 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).

Average sunshine days in August
El Monte, CA

Average sunshine days in August - 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).

Average UV index in August
El Monte, CA

Average UV index in August - 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).

Average cloud cover in August
El Monte, CA

Average cloud cover in August - 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).

Average visibility in August
El Monte, CA

Average visibility in August - 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).

El Monte, California, USA

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