August weather forecast
Volcano, CA

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Weather in August

August, the last month of the summer in Volcano, is another tropical month, with an average temperature fluctuating between 90.1°F (32.3°C) and 58.8°F (14.9°C).

Temperature

August's advent presents an average high-temperature of a still hot 90.1°F (32.3°C), indicating a slight variation from the conditions of the previous month. Throughout August, Volcano registers a distinct decrease from daytime highs, reaching an average low of 58.8°F (14.9°C).

Heat index

August's average heat index is evaluated at a tropical 91.4°F (33°C). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.
In the scope of the heat index, its values resonate with shade and light wind conditions. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is an aggregate value of air's warmth and moisture to show the human-felt temperature. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.

Humidity

In August, the average relative humidity is 41%.

Rainfall

The months with the least rainfall are July and August Rain falls for 1.5 days and accumulates 0.04" (1mm) of rain.

Snowfall

In Volcano, snow does not fall in January, April through October.

Daylight

The average length of the day in August is 13h and 37min.
On the first day of August in Volcano, sunrise is at 6:05 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 7:33 pm PDT.

Sunshine

The average sunshine in August is 12h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 6 during August translates into the following guidance:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.

Frequently asked questions

How hot is it in August?

The average high-temperature and low-temperature during August are 90.1°F (32.3°C) and 58.8°F (14.9°C) respectively. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is evaluated at 91.4°F (33°C).

What is the average humidity in August?

The average relative humidity in August in Volcano is 41%.

What is the driest month?

The months with the least rainfall are July and August Rain falls for 1.5 days and accumulates 0.04" (1mm) of rain.

How much does it rain in August?

In Volcano, in August, it is raining for 1.5 days, with typically 0.04" (1mm) of accumulated precipitation.

When it does not snow?

In Volcano, snow does not fall in January, April through October.

What is the average length of the day in August?

The average day length in August is 13h and 37min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 6:05 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 7:33 pm PDT.

How many hours of sunshine does Volcano have in August?

In Volcano, the average sunshine duration in August is 12h.

When is the highest UV index?

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

What is the UV index reading in August?

In Volcano, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Volcano, CA

Average temperature in August - Volcano, CA
  • Average high temperature in August: 90.1°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is December (52.9°F).

  • Average low temperature in August: 58.8°F

The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is December (37.9°F).

Average pressure in August
Volcano, CA

Average pressure in August - Volcano, CA
  • Average pressure in August: 29.92"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in August
Volcano, CA

Average wind speed in August - Volcano, CA
  • Average wind speed in August: 3.8mph

The windiest month (with the highest average wind speed) is February (5.7mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).

Average humidity in August
Volcano, CA

Average humidity in August - Volcano, CA
  • Average humidity in August: 41%

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

Average rainfall in August
Volcano, CA

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

The wettest month (with the highest rainfall) is March (4.69").
The driest months (with the least rainfall) are July and August (0.04").

Average rainfall days in August
Volcano, CA

Average rainfall days in August - Volcano, CA
  • Average rainfall days in August: 1.5 days

The month with the highest number of rainy days is March (14.6 days).
The month with the least rainy days is August (1.5 days).

Average snowfall in August
Volcano, CA

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

The month with the highest snowfall is February (2.01").
The months with the least snowfall are January, April, May, June, July, August, September and October (0").

Average snowfall days in August
Volcano, CA

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

The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in August / Average sunshine in August - Volcano, CA
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in August: 12h and 0min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).

Average sunshine days in August
Volcano, CA

Average sunshine days in August - Volcano, 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 (15.1 days).

Average UV index in August
Volcano, CA

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

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

Average cloud cover in August
Volcano, CA

Average cloud cover in August - Volcano, CA
  • Average cloud cover in August: 5

The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 4).

Average visibility in August
Volcano, CA

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

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

Volcano, California, USA

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