July weather forecast
Corona, CA

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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 is a hot summer month in Corona, California, with an average temperature varying between 88°F (31.1°C) and 64.2°F (17.9°C).

Temperature

As Corona enters July, the average high-temperature marginally increases from the a warm 82°F (27.8°C) of June to a hot 88°F (31.1°C). Corona observes a noteworthy temperature drop from the daily highs during July nights, with a mean temperature of 64.2°F (17.9°C).

Heat index

July's heat index is calculated to be a hot 91.4°F (33°C). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.
When referencing the heat index, its values are suitable for shady environments and light breezes. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.

Humidity

In Corona, the average relative humidity in July is 51%.

Rainfall

In Corona, in July, during 3.8 rainfall days, 0.2" (5mm) of precipitation is typically accumulated. Throughout the year, 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 14h and 9min.
On the first day of July, sunrise is at 5:43 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 7:51 pm PDT.

Sunshine

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

UV index

July and August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.
Note: During July, 7 as the daily maximum UV index converts into the following advice:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Updated: Jun 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during July?

An average high-temperature, in July, in Corona, 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. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, is calculated to be 91.4°F (33°C).

What is the average humidity in July?

In Corona, the average relative humidity in July is 51%.

How much does it rain in July?

In Corona, in July, it is raining for 3.8 days, with typically 0.2" (5mm) of accumulated precipitation.

How many hours of daylight does Corona have in July?

In July, the average day length is 14h and 9min.

What time are sunrise and sunset in July?

In July, on the first day of the month, sunrise is at 5:43 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 7:51 pm PDT.

What is the month with the most sunshine?

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

How many hours of sunshine does Corona have in July?

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

When is the highest UV index?

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

What is the UV index reading in July?

In July, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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).

Average pressure in July
Corona, CA

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

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

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).

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%).

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").

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).

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

Average daylight in July / Average sunshine in July - Corona, CA
  • Average daylight in July: 14h and 1min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in July: 12h and 1min

The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

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).

Average UV index in July
Corona, CA

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

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

Average cloud cover in July
Corona, CA

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

The 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).

Average visibility in July
Corona, CA

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

Corona, California, USA

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