July weather forecast and climate
Perris, CA

Landscape in the State Recreation Area on Lake Perris, California
Landscape in the State Recreation Area on Lake Perris, California

Weather in July

July in Perris, California, is a hot summer month, with average temperature varying between 88.2°F (31.2°C) and 61.9°F (16.6°C).

Temperature

In Perris, California, the average high-temperature is practically the same as in June - a tropical 88.2°F (31.2°C). In Perris, in July, the average low-temperature is 61.9°F (16.6°C).

Heat index

In July, the average heat index is calculated to 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. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'felt air temperature', 'feels like', or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors like activity, wind, clothing, and differences in body mass, height, and shape affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, 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 Perris, the average relative humidity in July is 50%.

Rainfall

In Perris, in July, it is raining for 5 days, with typically 0.43" (11mm) of accumulated precipitation. In Perris, California, during the entire year, the rain falls for 55.7 days and collects up to 7.05" (179mm) of precipitation.

Snowfall

January, March through December are months without snowfall in Perris.

Daylight

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

Sunshine

With an average of 12.1h of sunshine, July has the most sunshine of the year.

UV index

July is the month with the highest UV index in Perris, California, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV radiation for the average person.
Note: The daily maximum UV index of 7 interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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.
[Resources]

FAQ

What is the temperature in July in Perris?

In July, in Perris, California, the average high-temperature is 88.2°F (31.2°C), and the average low-temperature is 61.9°F (16.6°C). The average heat index (a.k.a. 'feels like', 'real feel'), that combines relative humidity and air temperature, in July is appraised at 91.4°F (33°C).

What is the average humidity in July in Perris?

In Perris, California, the average relative humidity in July is 50%.

How much does it rain in Perris in July?

In Perris, California, in July, during 5 rainfall days, 0.43" (11mm) of precipitation is typically accumulated.

When it does not snow in Perris?

January, March through December are months without snowfall in Perris, California.

How many hours of daylight does Perris have in July?

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

What month has the most sunshine in Perris?

With an average of 12.1h of sunshine, July has the most sunshine of the year in Perris, California.

How many hours of sunshine does Perris have in July?

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

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

With an average maximum UV index of 7, July is the month with the highest UV index.

How high is the UV index in July in Perris?

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

Average temperature in July
Perris, CA

Average temperature in July - Perris, CA
  • Average high temperature in July: 88.2°F

The warmest month (with the highest average high temperature) is August (89.6°F).
The month with the lowest average high temperature is December (61°F).

  • Average low temperature in July: 61.9°F

The month with the highest average low temperature is August (63.3°F).
The coldest month (with the lowest average low temperature) is December (43°F).

[Resources]

Average pressure in July
Perris, CA

Average pressure in July - Perris, CA
  • Average pressure in July: 29.88"

The month with the highest atmospheric pressure is January (30.1").
The month with the lowest atmospheric pressure is June (29.85").

[Resources]

Average wind speed in July
Perris, CA

Average wind speed in July - Perris, CA
  • Average wind speed in July: 4.5mph

The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest months (with the lowest average wind speed) are August and September (4.2mph).

[Resources]

Average humidity in July
Perris, CA

Average humidity in July - Perris, CA
  • Average humidity in July: 50%

The month with the highest relative humidity is May (60%).
The month with the lowest relative humidity is August (47%).

[Resources]

Average rainfall in July
Perris, CA

Average rainfall in July - Perris, CA
  • Average rainfall in July: 0.43"

The wettest month (with the highest rainfall) is December (1.38").
The driest month (with the least rainfall) is June (0.04").

[Resources]

Average rainfall days in July
Perris, CA

Average rainfall days in July - Perris, CA
  • Average rainfall days in July: 5 days

The month with the highest number of rainy days is March (7.2 days).
The month with the least rainy days is June (1.3 days).

[Resources]

Average snowfall in July
Perris, CA

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

The month with the highest snowfall is February (0.04").
Months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

[Resources]

Average snowfall days in July
Perris, CA

Average snowfall days in July - Perris, CA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (0.2 days).
Months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

[Resources]

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

Average daylight in July / Average sunshine in July - Perris, 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

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

[Resources]

Average sunshine days in July
Perris, CA

Average sunshine days in July - Perris, CA
  • Average sunshine days in July: 21.9 days

The month with the most sunshine days is June (26.9 days).
The month with the least sunshine days is February (21.6 days).

[Resources]

Average UV index in July
Perris, CA

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

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 3).

[Resources]

Average cloud cover in July
Perris, CA

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

Months with the most cloud cover are March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 5).

[Resources]

Average visibility in July
Perris, CA

Average visibility in July - Perris, 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).

[Resources]