August weather forecast and climate
Granite Bay, CA

Weather in August

The last month of the summer, August, is another hot month in Granite Bay, California, with average temperature ranging between min 60.1°F (15.6°C) and max 92.1°F (33.4°C).

Temperature

In Granite Bay, the average high-temperature in August is almost the same as in July - a still hot 92.1°F (33.4°C). In August, the average low-temperature is 60.1°F (15.6°C).

Heat index

In August, the average heat index is calculated to a hot 94.8°F (34.9°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
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 'feels like', 'apparent temperature', 'real feel', or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like wind, clothing, metabolic differences, and activity influence one's weather impression. 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. 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 Granite Bay, the average relative humidity in August is 42%.

Rainfall

Months with the least rainfall are July and August Rain falls for 1.9 days and accumulates 0.04" (1mm) of rain.

Snowfall

In Granite Bay snow does not fall in January, March through November.

Daylight

The average length of the day in Granite Bay is 13.6h.

Sunshine

In Granite Bay, the average sunshine in August is 12h.

UV index

In Granite Bay, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 6 in August interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. 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. 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 Granite Bay?

In Granite Bay, in August, the average high-temperature is 92.1°F (33.4°C), and the average low-temperature is 60.1°F (15.6°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), that combines both air temperature and relative humidity, is evaluated at 94.8°F (34.9°C).

What is the average humidity in August in Granite Bay?

In August, the average relative humidity is 42%.

How many days does it rain in August in Granite Bay?

In Granite Bay, in August, it is raining for 1.9 days, with typically 0.04" (1mm) of accumulated precipitation.

What is the driest month in Granite Bay?

July and August are months with the least rain in Granite Bay when the rain falls for 1.9 days and typically aggregates up to 0.04" (1mm) of rain.

When it does not snow in Granite Bay?

January, March through November are months without snowfall in Granite Bay.

What is the average length of the day in August in Granite Bay?

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

How many hours of sunshine does Granite Bay have in August?

In August, the average sunshine is 12h.

What is the UV index reading in August in Granite Bay?

In August, the average daily maximum UV index 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
Granite Bay, CA

Average temperature in August - Granite Bay, CA
  • Average high temperature in August: 92.1°F

The warmest month (with the highest average high temperature) is July (93°F).
The month with the lowest average high temperature is December (54°F).

  • Average low temperature in August: 60.1°F

The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is December (39.6°F).

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Average pressure in August
Granite Bay, CA

Average pressure in August - Granite Bay, CA
  • Average pressure in August: 29.91"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.9").

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Average wind speed in August
Granite Bay, CA

Average wind speed in August - Granite Bay, CA
  • Average wind speed in August: 4mph

The windiest month (with the highest average wind speed) is February (5.5mph).
The calmest months (with the lowest average wind speed) are August and September (4mph).

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Average humidity in August
Granite Bay, CA

Average humidity in August - Granite Bay, CA
  • Average humidity in August: 42%

The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is July (40%).

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Average rainfall in August
Granite Bay, CA

Average rainfall in August - Granite Bay, CA
  • Average rainfall in August: 0.04"

The wettest month (with the highest rainfall) is March (4.33").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in August
Granite Bay, CA

Average rainfall days in August - Granite Bay, CA
  • Average rainfall days in August: 1.9 days

The month with the highest number of rainy days is March (14.6 days).
The month with the least rainy days is July (1 days).

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Average snowfall in August
Granite Bay, CA

Average snowfall in August - Granite Bay, CA
  • Average snowfall in August: 0"

Months with the highest snowfall are February and December (0.04").
Months with the least snowfall are January, March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in August
Granite Bay, CA

Average snowfall days in August - Granite Bay, CA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is December (0.2 days).
Months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in August /
Average sunshine in August
Granite Bay, CA

Average daylight in August / Average sunshine in August - Granite Bay, 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: 12h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 5.8h).

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Average sunshine days in August
Granite Bay, CA

Average sunshine days in August - Granite Bay, CA
  • Average sunshine days in August: 28.2 days

The month with the most sunshine days is July (29.2 days).
The month with the least sunshine days is March (15.7 days).

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Average UV index in August
Granite Bay, CA

Average UV index in August - Granite Bay, 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
Granite Bay, CA

Average cloud cover in August - Granite Bay, CA
  • Average cloud cover in August: 5

The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 4).

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Average visibility in August
Granite Bay, CA

Average visibility in August - Granite Bay, 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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