July weather forecast
Riverside, CA

The neon-lit buildings of Riverside, California, and a silhouette of the high mountain in the back
The neon-lit buildings of Riverside, California, and a silhouette of the high mountain in the back

Weather in July

July is a hot summer month in Riverside, California, with average temperature varying between 90.1°F (32.3°C) and 64.8°F (18.2°C).

Temperature

In Riverside, California, the average high-temperature marginally rises, from a moderately hot 84.2°F (29°C) in June, to a hot 90.1°F (32.3°C). In July, in Riverside, the average low-temperature is 64.8°F (18.2°C).

Heat index

In July, the average heat index is calculated to be a hot 93.2°F (34°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
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', 'felt air temperature', 'feels like', or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (clothing, differences in body mass, height, and shape, pregnancy), and activity. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. 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 Riverside, the average relative humidity is 46%.

Rainfall

In Riverside, in July, during 3.1 rainfall days, 0.16" (4mm) of precipitation is typically accumulated. In Riverside, during the entire year, the rain falls for 49 days and collects up to 7.32" (186mm) of precipitation.

Snowfall

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

Daylight

In July, the average length of the day is 14.2h.

Sunshine

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

UV index

Months with the highest UV index 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 unprotected exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 7 transform into the following instructions:
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.
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FAQ

What is the temperature in July in Riverside?

The average high-temperature, in July, in Riverside, is 90.1°F (32.3°C), while the average low-temperature is 64.8°F (18.2°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in July is calculated to be 93.2°F (34°C).

What is the average humidity in July in Riverside?

In July, the average relative humidity is 46%.

How much does it rain in Riverside in July?

In Riverside, in July, it is raining for 3.1 days, with typically 0.16" (4mm) of accumulated precipitation.

When it does not snow in Riverside?

In Riverside snow does not fall in January, March through December.

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

In Riverside, California, the average length of the day in July is 14.2h.

What is the month with the most sunshine in Riverside?

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 Riverside?

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

When is the highest UV index in Riverside?

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

What is the UV index intensity in July in Riverside?

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

Average temperature in July
Riverside, CA

Average temperature in July - Riverside, CA
  • Average high temperature in July: 90.1°F

The warmest month (with the highest average high temperature) is August (91.2°F).
The month with the lowest average high temperature is December (63.3°F).

  • Average low temperature in July: 64.8°F

The month with the highest average low temperature is August (66.4°F).
The coldest month (with the lowest average low temperature) is December (45.9°F).

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Average pressure in July
Riverside, CA

Average pressure in July - Riverside, CA
  • Average pressure in July: 29.89"

The month with the highest atmospheric pressure is January (30.1").
The month with the lowest atmospheric pressure is June (29.86").

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Average wind speed in July
Riverside, CA

Average wind speed in July - Riverside, CA
  • Average wind speed in July: 5mph

The windiest month (with the highest average wind speed) is May (5.6mph).
The calmest month (with the lowest average wind speed) is September (4.4mph).

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Average humidity in July
Riverside, CA

Average humidity in July - Riverside, CA
  • Average humidity in July: 46%

The month with the highest relative humidity is May (56%).
The month with the lowest relative humidity is August (43%).

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Average rainfall in July
Riverside, CA

Average rainfall in July - Riverside, CA
  • Average rainfall in July: 0.16"

The wettest months (with the highest rainfall) are February and December (1.61").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in July
Riverside, CA

Average rainfall days in July - Riverside, CA
  • Average rainfall days in July: 3.1 days

The month with the highest number of rainy days is March (7.7 days).
The month with the least rainy days is June (1.1 days).

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Average snowfall days in July
Riverside, CA

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

The month with the highest number of snowfall days is February (0.1 days).
Months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

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

Average daylight in July / Average sunshine in July - Riverside, 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).
Months with the least sunshine are February and December (Average sunshine: 6.8).

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Average sunshine days in July
Riverside, CA

Average sunshine days in July - Riverside, CA
  • Average sunshine days in July: 25.2 days

The month with the most sunshine days is June (27.9 days).
The month with the least sunshine days is February (21.6 days).

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Average UV index in July
Riverside, CA

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

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

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Average cloud cover in July
Riverside, CA

Average cloud cover in July - Riverside, CA
  • Average cloud cover in July: 6

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

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Average visibility in July
Riverside, CA

Average visibility in July - Riverside, 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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