July weather forecast and climate
Petrolia, CA

Weather in July

July in Petrolia, California, is a pleasant summer month, with average temperature varying between 51.4°F (10.8°C) and 73°F (22.8°C).

Temperature

In July, the average high-temperature is almost the same as in June - an agreeable 73°F (22.8°C). In Petrolia, in July, the average low-temperature is 51.4°F (10.8°C).

Humidity

In Petrolia, the average relative humidity is 76%.

Rainfall

The month with the least rainfall is July when the rain falls for 1.8 days and typically collects 0.08" (2mm) of precipitation.

Snowfall

January, March through December are months without snowfall.

Daylight

In July, the average length of the day is 14.7h.

Sunshine

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

UV index

June through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV radiation for the average person.
Note: The daily maximum UV index of 5 in July interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in July in Petrolia?

In July, in Petrolia, the average high-temperature is 73°F (22.8°C), and the average low-temperature is 51.4°F (10.8°C).

What is the average humidity in July in Petrolia?

The average relative humidity in July in Petrolia, California, is 76%.

How much does it rain in Petrolia in July?

In Petrolia, in July, during 1.8 rainfall days, 0.08" (2mm) of precipitation is typically accumulated.

What is the driest month in Petrolia?

July is the month with the least rainfall in Petrolia, California. Rain falls for 1.8 days and accumulates 0.08" (2mm) of precipitation.

When it does not snow in Petrolia?

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

How many hours of daylight does Petrolia have in July?

In Petrolia, California, the average length of the day in July is 14.7h.

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, California.

How many hours of sunshine does Petrolia have in July?

In Petrolia, California, the average sunshine in July is 11.6h.

When is the highest UV index in Petrolia?

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 July in Petrolia?

In July, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV rays.

Average temperature in July
Petrolia, CA

Average temperature in July - Petrolia, CA
  • Average high temperature in July: 73°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 July: 51.4°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 July
Petrolia, CA

Average pressure in July - Petrolia, CA
  • Average pressure in July: 29.97"

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

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Average wind speed in July
Petrolia, CA

Average wind speed in July - Petrolia, CA
  • Average wind speed in July: 6.6mph

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 July
Petrolia, CA

Average humidity in July - Petrolia, CA
  • Average humidity in July: 76%

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 July
Petrolia, CA

Average rainfall in July - Petrolia, CA
  • Average rainfall in July: 0.08"

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 July
Petrolia, CA

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

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

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Average snowfall in July
Petrolia, CA

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

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

Average snowfall days in July - Petrolia, CA
  • Average snowfall days in July: 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 and November (0 days).

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Average daylight in July /
Average sunshine in July
Petrolia, CA

Average daylight in July / Average sunshine in July - Petrolia, CA
  • Average daylight in July: 14.7h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in July: 11.6h

Months with the most sunshine are July and August (Average sunshine: 11.6h).
The month with the least sunshine is December (Average sunshine: 5h).

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Average sunshine days in July
Petrolia, CA

Average sunshine days in July - Petrolia, CA
  • Average sunshine days in July: 28.5 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 July
Petrolia, CA

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

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

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Average cloud cover in July
Petrolia, CA

Average cloud cover in July - Petrolia, CA
  • Average cloud cover in July: 18

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 July
Petrolia, CA

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

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

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