August weather forecast and climate
Murrieta, CA

The dense city of Murrieta in California, with a far view of hills and snow-covered mountains
The dense city of Murrieta in California, with a far view of hills and snow-covered mountains

Weather in August

August, the last month of the summer, in Murrieta, is another tropical month, with average temperature varying between 87.4°F (30.8°C) and 62.2°F (16.8°C).

Temperature

August is the warmest month, with an average high-temperature of 87.4°F (30.8°C) and an average low-temperature of 62.2°F (16.8°C).

Heat index

The average heat index in August is calculated to a tropical 91.2°F (32.9°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'real feel', 'apparent temperature', or 'felt air temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect is individual, with diverse people perceiving weather differently for numerous reasons (wind, pregnancy, metabolic differences), and activity. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In August, the average relative humidity is 53%.

Rainfall

In August, the rain falls for 4 days. Throughout August, 0.39" (10mm) of precipitation is accumulated. Throughout the year, there are 60.6 rainfall days, and 9.37" (238mm) of precipitation is accumulated.

Daylight

In August, the average length of the day in Murrieta, California, is 13.4h.

Sunshine

The average sunshine in Murrieta is 12h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to the Sun's UV rays for average individuals.
Note: In August, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the warmest month in Murrieta?

August is the warmest month in Murrieta, California, with an average high-temperature of 87.4°F (30.8°C) and an average low-temperature of 62.2°F (16.8°C).

What is the temperature in August in Murrieta?

The average high-temperature, in August, is 87.4°F (30.8°C), while the average low-temperature is 62.2°F (16.8°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), that combines both air temperature and relative humidity, in August is calculated to 91.2°F (32.9°C).

What is the average humidity in August in Murrieta?

In Murrieta, the average relative humidity in August is 53%.

How much does it rain in Murrieta in August?

In Murrieta, California, in August, it is raining for 4 days, with typically 0.39" (10mm) of accumulated precipitation.

What is the average length of the day in August in Murrieta?

In Murrieta, the average length of the day in August is 13.4h.

How long on average sun shines in August in Murrieta?

The average sunshine in August is 12h.

What are the months with the highest UV index in Murrieta?

Months with the highest UV index in Murrieta, California, are June through August, with an average maximum UV index of 6.

What is the UV index reading in August in Murrieta?

The average daily maximum UV index in August in Murrieta is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to the UV radiation.

Average temperature in August
Murrieta, CA

Average temperature in August - Murrieta, CA
  • Average high temperature in August: 87.4°F

The warmest month (with the highest average high temperature) is August (87.4°F).
The month with the lowest average high temperature is December (61.7°F).

  • Average low temperature in August: 62.2°F

The month with the highest average low temperature is August (62.2°F).
The coldest month (with the lowest average low temperature) is February (43.3°F).

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Average pressure in August
Murrieta, CA

Average pressure in August - Murrieta, CA
  • Average pressure in August: 29.87"

The month with the highest atmospheric pressure is January (30.09").
The month with the lowest atmospheric pressure is June (29.86").

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Average wind speed in August
Murrieta, CA

Average wind speed in August - Murrieta, CA
  • Average wind speed in August: 4.4mph

The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest month (with the lowest average wind speed) is September (4.3mph).

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Average humidity in August
Murrieta, CA

Average humidity in August - Murrieta, CA
  • Average humidity in August: 53%

The month with the highest relative humidity is May (65%).
The month with the lowest relative humidity is November (52%).

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Average rainfall in August
Murrieta, CA

Average rainfall in August - Murrieta, CA
  • Average rainfall in August: 0.39"

The wettest month (with the highest rainfall) is December (1.81").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in August
Murrieta, CA

Average rainfall days in August - Murrieta, CA
  • Average rainfall days in August: 4 days

The month with the highest number of rainy days is March (8.2 days).
The month with the least rainy days is June (1.4 days).

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Average daylight in August /
Average sunshine in August
Murrieta, CA

Average daylight in August / Average sunshine in August - Murrieta, CA
  • Average daylight in August: 13.4h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in August: 12h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 6.5h).

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Average sunshine days in August
Murrieta, CA

Average sunshine days in August - Murrieta, CA
  • Average sunshine days in August: 24.9 days

The month with the most sunshine days is June (26.5 days).
The month with the least sunshine days is February (20.8 days).

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Average UV index in August
Murrieta, CA

Average UV index in August - Murrieta, CA
  • Average UV index in August: 6

Months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in August
Murrieta, CA

Average cloud cover in August - Murrieta, CA
  • Average cloud cover in August: 7

The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 7).

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Average visibility in August
Murrieta, CA

Average visibility in August - Murrieta, CA
  • Average visibility in August: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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