Corona
California, USA
Long-term weather forecast
Long-term weather forecast

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

Temperature

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

Heat index

The average heat index is estimated at a tropical 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 'feels like', 'real feel', 'apparent temperature', or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Additional factors like activity, metabolic differences, clothing, and differences in body mass, height, and shape affect individual temperature impact. 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. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In Corona, the average relative humidity is 51%.

Rainfall

In July, the rain falls for 3.8 days. Throughout July, 0.2" (5mm) of precipitation is accumulated. In Corona, during the entire year, the rain falls for 53.9 days and collects up to 8.86" (225mm) of precipitation.

Daylight

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

Sunshine

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

UV index

July and August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from the exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 7 in July interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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.

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. 'feels like', 'felt air temperature'), that represents influence of the relative humidity to air temperaure, is evaluated at 91.4°F (33°C).

What is the average humidity in July in Corona?

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

How many days does it rain in July in Corona?

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

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

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

What is the month 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 many hours of sunshine does Corona have in July?

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

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

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 Corona?

The average daily maximum UV index in July is 7. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to the Sun's UV rays.
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 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: 0.2"

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

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 lowest number of rainy days is June (1.3 days).

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 shortest days is December (Average daylight: 9.9h).

  • Average sunshine in July: 12.1h

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

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).