August weather forecast
Petrolia, CA

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Weather in August

August, the last month of the summer in Petrolia, is a moderately hot month, with an average temperature ranging between max 74.1°F (23.4°C) and min 51.8°F (11°C).

Temperature

The warmest temperatures occur during August, when averages reach a peak of 74.1°F (23.4°C) and a low of 51.8°F (11°C).

Humidity

The average relative humidity in August in Petrolia is 75%.

Rainfall

In Petrolia, California, during August, the rain falls for 1.8 days and regularly aggregates up to 0.12" (3mm) of precipitation. In Petrolia, during the entire year, the rain falls for 110.9 days and collects up to 28.27" (718mm) of precipitation.

Snowfall

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

Daylight

In Petrolia, the average length of the day in August is 13h and 43min.
On the first day of August in Petrolia, sunrise is at 6:15 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 7:49 pm PDT.

Sunshine

July and August, with an average of 11.6h of sunshine, are months with the most sunshine in Petrolia.

UV index

The months with the highest UV index in Petrolia are June through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 5 in August translates into this advice:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. To cut down UV radiation exposure by about half, sport a wide-brim hat.
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Frequently asked questions

What time of the year is the hottest in Petrolia?

In Petrolia, temperatures reach their average annual highs in August, measuring 74.1°F (23.4°C) and a minimum average of 51.8°F (11°C).

What is the temperature in August in Petrolia?

The average high-temperature and low-temperature in Petrolia, California, during August are 74.1°F (23.4°C) and 51.8°F (11°C) respectively.

What is the average humidity in August in Petrolia?

The average relative humidity in August in Petrolia, California, is 75%.

How much does it rain in Petrolia in August?

In August, the rain falls for 1.8 days. Throughout August, 0.12" (3mm) of precipitation is accumulated.

When it does not snow in Petrolia?

January, March through December are months without snowfall.

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

In August, the average day length in Petrolia, California, is 13h and 43min.

What time are sunrise and sunset in August in Petrolia?

In August, on the first day of the month, sunrise is at 6:15 am and sunset at 8:31 pm. On the last day of the month, in Petrolia, sunrise is at 6:44 am and sunset at 7:49 pm PDT.

What are the months with the most sunshine in Petrolia?

July and August, with an average of 11.6h of sunshine, are months with the most sunshine in Petrolia.

How many hours of sunshine does Petrolia have in August?

In August, the average sunshine duration is 11.6h.

What are the months with the highest UV index in Petrolia?

The months with the highest UV index are June through August, with an average maximum UV index of 5.

What is the UV index intensity in August in Petrolia?

The average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
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
Petrolia, CA

Average temperature in August - Petrolia, CA
  • Average high temperature in August: 74.1°F

The warmest month (with the highest average high temperature) is August (74.1°F).
The month with the lowest average high temperature is December (52.9°F).

  • Average low temperature in August: 51.8°F

The month with the highest average low temperature is August (51.8°F).
The coldest month (with the lowest average low temperature) is February (39.7°F).

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Average pressure in August
Petrolia, CA

Average pressure in August - Petrolia, CA
  • Average pressure in August: 29.96"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are August and September (29.96"Hg).

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Average wind speed in August
Petrolia, CA

Average wind speed in August - Petrolia, CA
  • Average wind speed in August: 5.9mph

The windiest month (with the highest average wind speed) is June (7.7mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).

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Average humidity in August
Petrolia, CA

Average humidity in August - Petrolia, CA
  • Average humidity in August: 75%

The month with the highest relative humidity is March (83%).
The month with the lowest relative humidity is September (73%).

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Average rainfall in August
Petrolia, CA

Average rainfall in August - Petrolia, CA
  • Average rainfall in August: 0.12"

The wettest month (with the highest rainfall) is December (4.96").
The driest month (with the least rainfall) is July (0.08").

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Average rainfall days in August
Petrolia, CA

Average rainfall days in August - Petrolia, CA
  • Average rainfall days in August: 1.8 days

The month with the highest number of rainy days is March (17.3 days).
The months with the least rainy days are July and August (1.8 days).

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Average snowfall in August
Petrolia, CA

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

The month with the highest snowfall is February (0.59").
The 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
Petrolia, CA

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

The month with the highest number of snowfall days is February (0.3 days).
The 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
Petrolia, CA

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in August: 11h and 4min

The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

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Average sunshine days in August
Petrolia, CA

Average sunshine days in August - Petrolia, CA
  • Average sunshine days in August: 27.9 days

The month with the most sunshine days is July (28.5 days).
The month with the least sunshine days is March (11.9 days).

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Average UV index in August
Petrolia, CA

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

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 3).

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Average cloud cover in August
Petrolia, CA

Average cloud cover in August - Petrolia, CA
  • Average cloud cover in August: 16

The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 16).

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Average visibility in August
Petrolia, CA

Average visibility in August - Petrolia, CA
  • Average visibility in August: 5mi

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

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Petrolia, California, USA

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