August weather forecast and climate
Sacramento, CA

The State Capitol Building in Sacramento, California
The State Capitol Building in Sacramento, California

Weather in August

August, the last month of the summer, in Sacramento, is another tropical month, with temperature in the range of an average high of 93.6°F (34.2°C) and an average low of 59.5°F (15.3°C).

Temperature

In August, the average high-temperature is relatively the same as in July - a still tropical 93.6°F (34.2°C). In August, the average low-temperature is 59.5°F (15.3°C).

Heat index

The average heat index in August is calculated to a sweltering 100.8°F (38.2°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
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 'real feel', 'apparent temperature', 'felt air temperature', or 'feels like', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Additional factors like activity, metabolic differences, pregnancy, and wind affect individual temperature impact. 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 particularly important for children. 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.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

In Sacramento, the average relative humidity is 48%.

Rainfall

The month with the least rainfall in Sacramento is August when the rain falls for 1.2 days and typically collects 0.04" (1mm) of precipitation.

Daylight

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

Sunshine

In Sacramento, the average sunshine is 11.9h.

UV index

In August, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from the exposure to the Sun's UV rays for the ordinary person.
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. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in August in Sacramento?

The average high-temperature, in August, in Sacramento, is 93.6°F (34.2°C), while the average low-temperature is 59.5°F (15.3°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), that takes the relative humidity and factores it into the air temperature reading, in August is estimated at 100.8°F (38.2°C).

What is the average humidity in August in Sacramento?

The average relative humidity in August in Sacramento, California, is 48%.

How much does it rain in Sacramento in August?

In Sacramento, California, during August, the rain falls for 1.2 days and regularly aggregates up to 0.04" (1mm) of precipitation.

What is the driest month in Sacramento?

The month with the least rainfall in Sacramento is August when the rain falls for 1.2 days and typically collects 0.04" (1mm) of precipitation.

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

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

How many hours of sunshine does Sacramento have in August?

The average sunshine in August in Sacramento, California, is 11.9h.

What is the UV index reading in August in Sacramento?

In August, the average daily maximum UV index in Sacramento is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV rays.

Average temperature in August
Sacramento, CA

Average temperature in August - Sacramento, CA
  • Average high temperature in August: 93.6°F

The warmest month (with the highest average high temperature) is July (94.6°F).
The month with the lowest average high temperature is December (54.5°F).

  • Average low temperature in August: 59.5°F

The month with the highest average low temperature is August (59.5°F).
The coldest month (with the lowest average low temperature) is December (41.4°F).

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Average pressure in August
Sacramento, CA

Average pressure in August - Sacramento, CA
  • Average pressure in August: 29.91"

The month with the highest atmospheric pressure is January (30.15").
The month with the lowest atmospheric pressure is June (29.9").

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Average wind speed in August
Sacramento, CA

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

The windiest month (with the highest average wind speed) is February (6.3mph).
The calmest months (with the lowest average wind speed) are September and November (5mph).

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Average humidity in August
Sacramento, CA

Average humidity in August - Sacramento, CA
  • Average humidity in August: 48%

The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is September (45%).

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Average rainfall in August
Sacramento, CA

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

The wettest month (with the highest rainfall) is March (1.34").
The driest month (with the least rainfall) is August (0.04").

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Average rainfall days in August
Sacramento, CA

Average rainfall days in August - Sacramento, CA
  • Average rainfall days in August: 1.2 days

The month with the highest number of rainy days is March (12.4 days).
The month with the least rainy days is August (1.2 days).

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

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

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in August: 11.9h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 5.5h).

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Average sunshine days in August
Sacramento, CA

Average sunshine days in August - Sacramento, CA
  • Average sunshine days in August: 29.3 days

The month with the most sunshine days is July (29.4 days).
The month with the least sunshine days is March (17.7 days).

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Average UV index in August
Sacramento, CA

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

Months with the highest UV index are June and July (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in August
Sacramento, CA

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

The month with the most cloud cover is March (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 6).

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Average visibility in August
Sacramento, CA

Average visibility in August - Sacramento, 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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