July weather forecast and climate
Norco, CA

Weather in July

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

Temperature

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

Heat index

In July, the average heat index is evaluated at a hot 91.4°F (33°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'real feel', 'apparent temperature', or 'feels like', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like activity, clothing, pregnancy, 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 especially crucial for babies and toddlers. 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 Norco, California, the average relative humidity is 51%.

Rainfall

In Norco, it is raining for 3.8 days, with typically 0.2" (5mm) of accumulated precipitation. In Norco, during the entire year, the rain falls for 53.9 days and collects up to 8.86" (225mm) of precipitation.

Daylight

The average length of the day in July is 14.2h.

Sunshine

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

UV index

July and August, with an average maximum UV index of 7, are months with the highest UV index in Norco. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 7 in July transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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. 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 Norco?

The average high-temperature, in July, in Norco, is 88°F (31.1°C), while the average low-temperature is 64.2°F (17.9°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), that combines air temperature and relative humidity, in July is appraised at 91.4°F (33°C).

What is the average humidity in July in Norco?

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

How many days does it rain in July in Norco?

In Norco, California, in July, during 3.8 rainfall days, 0.2" (5mm) of precipitation is typically accumulated.

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

The average length of the day in July in Norco is 14.2h.

What is the month with the most sunshine in Norco?

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

How long on average sun shines in July in Norco?

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

When is the highest UV index in Norco?

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

How high is the UV index in July in Norco?

In July, the average daily maximum UV index in Norco is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to the Sun's UV rays.

Average temperature in July
Norco, CA

Average temperature in July - Norco, 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
Norco, CA

Average pressure in July - Norco, 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
Norco, CA

Average wind speed in July - Norco, 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
Norco, CA

Average humidity in July - Norco, 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
Norco, CA

Average rainfall in July - Norco, 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
Norco, CA

Average rainfall days in July - Norco, 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
Norco, CA

Average daylight in July / Average sunshine in July - Norco, CA
  • Average daylight in July: 14.2h

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
Norco, CA

Average sunshine days in July - Norco, 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
Norco, CA

Average UV index in July - Norco, 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
Norco, CA

Average cloud cover in July - Norco, 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
Norco, CA

Average visibility in July - Norco, 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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