July weather forecast and climate
Corona, CA

Colorful beach homes along the Pacific Ocean facing the calm turquoise-blue ocean water in Corona del Mar, California
Colorful beach homes along the Pacific Ocean facing the calm turquoise-blue ocean water in Corona del Mar, California

Weather in July

July in Corona, California, is a hot summer month, with temperature in the range of an average low of 64.2°F (17.9°C) and an average high of 88°F (31.1°C).

Temperature

In July, the average high-temperature slightly increases, from a warm 82°F (27.8°C) in June, to a hot 88°F (31.1°C). The average low-temperature, in Corona, California, is 64.2°F (17.9°C).

Heat index

The average heat index in July is evaluated at a hot 91.4°F (33°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 'apparent temperature', 'feels like', 'real feel', or 'felt air temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like pregnancy, differences in body mass, height, and shape, clothing, 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 particularly important for children. 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 July, the average relative humidity in Corona, California, is 51%.

Rainfall

In Corona, during July, the rain falls for 3.8 days and regularly aggregates up to 0.2" (5mm) of precipitation. Throughout the year, in Corona, there are 53.9 rainfall days, and 8.86" (225mm) of precipitation is accumulated.

Daylight

In Corona, the average length of the day in July is 14.1h.

Sunshine

Months with the most sunshine are July and August, with an average of 12.1h of sunshine.

UV index

Months with the highest UV index in Corona are July and August, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from the exposure to the Sun's UV rays for ordinary individuals.
Note: In July, the average maximum UV index of 7 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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 July in Corona?

In Corona, California, in July, the average high-temperature is 88°F (31.1°C), and the average low-temperature is 64.2°F (17.9°C). In July, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 91.4°F (33°C).

What is the average humidity in July in Corona?

In July, the average relative humidity is 51%.

How many days does it rain in July in Corona?

In July, in Corona, the rain falls for 3.8 days. Throughout July, 0.2" (5mm) of precipitation is accumulated.

What is the average length of the day in July in Corona?

In Corona, California, the average length of the day in July is 14.1h.

What are the months with the most sunshine in Corona?

Months with the most sunshine in Corona, California, are July and August, with an average of 12.1h of sunshine.

How long on average sun shines in July in Corona?

In July, the average sunshine in Corona, California, is 12.1h.

What is the month with the highest UV index in Corona?

Months with the highest UV index in Corona are July and August, with an average maximum UV index of 7.

What is the UV index intensity in July in Corona?

In Corona, California, the average daily maximum UV index in July is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from the exposure to the Sun's UV radiation.

Average temperature in July
Corona, CA

Average temperature in July - Corona, CA
  • Average high temperature in July: 88°F

The warmest month (with the highest average high temperature) is August (89.4°F).
The month with the lowest average high temperature is December (63.5°F).

  • Average low temperature in July: 64.2°F

The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is December (46.9°F).

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Average pressure in July
Corona, CA

Average pressure in July - Corona, CA
  • Average pressure in July: 29.9"

The month with the highest atmospheric pressure is January (30.1").
The month with the lowest atmospheric pressure is June (29.87").

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Average wind speed in July
Corona, CA

Average wind speed in July - Corona, CA
  • Average wind speed in July: 4.7mph

The windiest months (with the highest average wind speed) are April and May (5.4mph).
The calmest month (with the lowest average wind speed) is September (4.3mph).

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Average humidity in July
Corona, CA

Average humidity in July - Corona, CA
  • Average humidity in July: 51%

The month with the highest relative humidity is May (60%).
The month with the lowest relative humidity is November (48%).

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Average rainfall in July
Corona, CA

Average rainfall in July - Corona, CA
  • Average rainfall in July: 0.2"

The wettest month (with the highest rainfall) is December (1.89").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in July
Corona, CA

Average rainfall days in July - Corona, CA
  • Average rainfall days in July: 3.8 days

The month with the highest number of rainy days is March (8.2 days).
The month with the least rainy days is June (1.3 days).

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

Average daylight in July / Average sunshine in July - Corona, CA
  • Average daylight in July: 14.1h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in July: 12.1h

Months with the most sunshine are July and August (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 6.7h).

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Average sunshine days in July
Corona, CA

Average sunshine days in July - Corona, CA
  • Average sunshine days in July: 24.8 days

The month with the most sunshine days is June (27.1 days).
The month with the least sunshine days is February (20.8 days).

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Average UV index in July
Corona, CA

Average UV index in July - Corona, CA
  • Average UV index in July: 7

Months with the highest UV index are July and August (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 4).

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Average cloud cover in July
Corona, CA

Average cloud cover in July - Corona, CA
  • Average cloud cover in July: 7

Months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in July
Corona, CA

Average visibility in July - Corona, CA
  • Average visibility in July: 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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