August weather forecast and climate
Calpella, CA

Weather in August

The last month of the summer, August, is another warm month in Calpella, California, with average temperature fluctuating between 84.7°F (29.3°C) and 53.4°F (11.9°C).

Temperature

In Calpella, California, the average high-temperature is essentially the same as in July - a still warm 84.7°F (29.3°C). In August, in Calpella, the average low-temperature is 53.4°F (11.9°C).

Heat index

The average heat index is evaluated at a hot 88.5°F (31.4°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
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', 'felt air temperature', or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect is individual, with diverse people perceiving weather differently for numerous reasons (clothing, differences in body mass, height, and shape, wind), 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 is 59%.

Rainfall

Months with the least rainfall are July and August Rain falls for 1.3 days and accumulates 0.08" (2mm) of rain.

Snowfall

In Calpella snow does not fall in January, March through December.

Daylight

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

Sunshine

In August, the average sunshine in Calpella is 11.9h.

UV index

The average daily maximum UV index in Calpella is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to the UV radiation for the ordinary person.
Note: In August, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 Calpella?

In August, the average high-temperature is 84.7°F (29.3°C), and the average low-temperature is 53.4°F (11.9°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), that takes the relative humidity and factores it into the air temperature reading, in August is appraised at 88.5°F (31.4°C).

What is the average humidity in August in Calpella?

In August, the average relative humidity in Calpella is 59%.

How many days does it rain in August in Calpella?

In August, in Calpella, California, the rain falls for 1.3 days. Throughout August, 0.08" (2mm) of precipitation is accumulated.

What is the driest month in Calpella?

Months with the least rainfall in Calpella, California, are July and August Rain falls for 1.3 days and accumulates 0.08" (2mm) of rain.

When it does not snow in Calpella?

In Calpella snow does not fall in January, March through December.

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

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

How many hours of sunshine does Calpella have in August?

In Calpella, the average sunshine in August is 11.9h.

How high is the UV index in August in Calpella?

In August, the average daily maximum UV index in Calpella, California, is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to the Sun's UV rays.

Average temperature in August
Calpella, CA

Average temperature in August - Calpella, CA
  • Average high temperature in August: 84.7°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is December (53.6°F).

  • Average low temperature in August: 53.4°F

The month with the highest average low temperature is July (53.6°F).
The coldest month (with the lowest average low temperature) is December (37.4°F).

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Average pressure in August
Calpella, CA

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

The month with the highest atmospheric pressure is January (30.13").
Months with the lowest atmospheric pressure are June, August and September (29.92").

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Average wind speed in August
Calpella, CA

Average wind speed in August - Calpella, CA
  • Average wind speed in August: 4.3mph

The windiest months (with the highest average wind speed) are April, May and June (5.5mph).
The calmest month (with the lowest average wind speed) is November (4.2mph).

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Average humidity in August
Calpella, CA

Average humidity in August - Calpella, CA
  • Average humidity in August: 59%

The month with the highest relative humidity is March (79%).
Months with the lowest relative humidity are July and September (58%).

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Average rainfall in August
Calpella, CA

Average rainfall in August - Calpella, CA
  • Average rainfall in August: 0.08"

The wettest months (with the highest rainfall) are February and December (3.11").
The driest months (with the least rainfall) are July and August (0.08").

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Average rainfall days in August
Calpella, CA

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

The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is August (1.3 days).

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Average snowfall in August
Calpella, CA

Average snowfall in August - Calpella, CA
  • Average snowfall in August: 0"

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

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Average snowfall days in August
Calpella, CA

Average snowfall days in August - Calpella, CA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (0.3 days).
Months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

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

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

The month with the longest days is June (Average daylight: 14.9h).
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: 12h).
The month with the least sunshine is December (Average sunshine: 5.3h).

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Average sunshine days in August
Calpella, CA

Average sunshine days in August - Calpella, CA
  • Average sunshine days in August: 28.1 days

The month with the most sunshine days is July (28.5 days).
The month with the least sunshine days is March (15.9 days).

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Average UV index in August
Calpella, CA

Average UV index in August - Calpella, CA
  • Average UV index in August: 5

Months with the highest UV index are June and July (UV index 6).
Months with the lowest UV index are February and November (UV index 2).

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Average cloud cover in August
Calpella, CA

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

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 6).

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Average visibility in August
Calpella, CA

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

Months with the highest visibility are February, April, May, June, July, August, September, October and November (6mi).
Months with the lowest visibility are January, March and December (5mi).

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