August weather forecast and climate
Livermore, CA

A path in the scenic hilly and forest landscape of the famous Lake Del Valle Regional Park in Livermore, California
A path in the scenic hilly and forest landscape of the famous Lake Del Valle Regional Park in Livermore, California

Weather in August

August, the last month of the summer, in Livermore, is another warm month, with average temperature varying between 85.3°F (29.6°C) and 56.7°F (13.7°C).

Temperature

In August, the average high-temperature is essentially the same as in July - a moderately hot 85.3°F (29.6°C). The average low-temperature, in Livermore, California, is 56.7°F (13.7°C).

Heat index

The average heat index is appraised at a hot 88.9°F (31.6°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'feels like', 'apparent temperature', or 'real feel', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels. This effect is individual, with diverse people perceiving weather differently for numerous reasons (wind, clothing, pregnancy), and activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In August, the average relative humidity in Livermore is 57%.

Rainfall

August is the month with the least rainfall. Rain falls for 1.3 days and accumulates 0.04" (1mm) of precipitation.

Daylight

In Livermore, the average length of the day in August is 13.6h.

Sunshine

The average sunshine in August is 12h.

UV index

Months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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. 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.
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FAQ

What is the temperature in August in Livermore?

In August, in Livermore, the average high-temperature is 85.3°F (29.6°C), and the average low-temperature is 56.7°F (13.7°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), that combines air temperature and relative humidity, in August is appraised at 88.9°F (31.6°C).

What is the average humidity in August in Livermore?

In Livermore, California, the average relative humidity in August is 57%.

How many days does it rain in August in Livermore?

In Livermore, in August, it is raining for 1.3 days, with typically 0.04" (1mm) of accumulated precipitation.

What is the driest month in Livermore?

August is the month with the least rainfall. Rain falls for 1.3 days and accumulates 0.04" (1mm) of precipitation.

How many hours of daylight does Livermore have in August?

The average length of the day in August in Livermore is 13.6h.

How many hours of sunshine does Livermore have in August?

In August, the average sunshine is 12h.

When is the highest UV index in Livermore?

June through August, with an average maximum UV index of 6, are months with the highest UV index in Livermore.

How high is the UV index in August in Livermore?

In August, the average daily maximum UV index in Livermore is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from the exposure to the Sun's UV rays.

Average temperature in August
Livermore, CA

Average temperature in August - Livermore, CA
  • Average high temperature in August: 85.3°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is December (54.9°F).

  • Average low temperature in August: 56.7°F

The month with the highest average low temperature is August (56.7°F).
The coldest month (with the lowest average low temperature) is January (41.4°F).

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Average pressure in August
Livermore, CA

Average pressure in August - Livermore, CA
  • Average pressure in August: 29.92"

The month with the highest atmospheric pressure is January (30.14").
Months with the lowest atmospheric pressure are June, August and September (29.92").

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Average wind speed in August
Livermore, CA

Average wind speed in August - Livermore, CA
  • Average wind speed in August: 5.7mph

The windiest months (with the highest average wind speed) are May and June (6.5mph).
The calmest month (with the lowest average wind speed) is November (4.2mph).

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Average humidity in August
Livermore, CA

Average humidity in August - Livermore, CA
  • Average humidity in August: 57%

The month with the highest relative humidity is March (74%).
Months with the lowest relative humidity are July and September (55%).

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Average rainfall in August
Livermore, CA

Average rainfall in August - Livermore, CA
  • Average rainfall in August: 0.04"

The wettest month (with the highest rainfall) is February (2.09").
The driest month (with the least rainfall) is August (0.04").

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Average rainfall days in August
Livermore, CA

Average rainfall days in August - Livermore, CA
  • Average rainfall days in August: 1.3 days

The month with the highest number of rainy days is March (12.7 days).
The month with the least rainy days is August (1.3 days).

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

Average daylight in August / Average sunshine in August - Livermore, CA
  • Average daylight in August: 13.6h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

  • 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: 6h).

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Average sunshine days in August
Livermore, CA

Average sunshine days in August - Livermore, CA
  • Average sunshine days in August: 28.8 days

The month with the most sunshine days is August (28.8 days).
The month with the least sunshine days is March (17.6 days).

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Average UV index in August
Livermore, CA

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

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in August
Livermore, CA

Average cloud cover in August - Livermore, CA
  • Average cloud cover in August: 6

The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 5).

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Average visibility in August
Livermore, CA

Average visibility in August - Livermore, 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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