July weather forecast
Riverside, CA

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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 amplifies Riverside's summer sensation with recorded high temperatures hitting 90.1°F (32.3°C). Humidity drops, reflecting the lack of moisture in the air during the peak of summer. The abundance of sunlight supports the extended daylight hours throughout July, increasing outdoor activity hours. Despite prevailing high temperatures, the phase of extreme winds ceases for the year, keeping discomfort at bay.

Temperature

In July, the meteorological conditions subtly change with the average high-temperature edging from a warm 84.2°F (29°C) in June to a tropical 90.1°F (32.3°C). July nights in Riverside, California, report a substantial dip from daytime highs to an average of 64.8°F (18.2°C).

Heat index

During July, the heat index is appraised at a tropical 93.2°F (34°C). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.
Heat index determinations are made taking into account the shade and light air movements. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is the outcome of merging air's temperature and its humidity metrics. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.

Humidity

In Riverside, the average relative humidity in July is 46%.

Rainfall

In Riverside, during July, the rain falls for 3.1 days and regularly aggregates up to 0.16" (4mm) of precipitation. Throughout the year, in Riverside, there are 49 rainfall days, and 7.32" (186mm) of precipitation is accumulated.

Snowfall

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

Daylight

In July, the average length of the day is 14h and 9min.
On the first day of the month, sunrise is at 5:42 am and sunset at 8:04 pm. On the last day of July, sunrise is at 6:01 am and sunset at 7:50 pm PDT.

Sunshine

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

UV index

July and August, with an average maximum UV index of 7, are months with the highest UV index in Riverside, California. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 7 in July translates into these instructions:
Resist extreme sun exposure. Guarding against solar 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. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.

Frequently asked questions

How hot does it get in Riverside in July?

July temperatures in Riverside vary between a high-temperature of 90.1°F (32.3°C) and a low-temperature of 64.8°F (18.2°C). In July, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, is appraised at 93.2°F (34°C).

What is the average humidity in July in Riverside?

In Riverside, the average relative humidity in July is 46%.

How many days does it rain in July in Riverside?

In July, in Riverside, California, the rain falls for 3.1 days. Throughout July, 0.16" (4mm) of precipitation is accumulated.

When it does not snow in Riverside?

January, March through December are months without snowfall.

How many hours of daylight does Riverside have in July?

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

When is the sunrise / sunset in July in Riverside?

In July, on the first day of the month, sunrise is at 5:42 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 7:50 pm PDT.

What are the months with the most sunshine in Riverside?

The 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 Riverside, California, the average sunshine duration in July is 12.1h.

When is the highest UV index in Riverside?

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

How high is the UV index 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 unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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).

Average pressure in July
Riverside, CA

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

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

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).

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%).

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").

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).

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).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

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

Average daylight in July / Average sunshine in July - Riverside, 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 months with the least sunshine are February and December (Average sunshine: 6h and 48min).

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).

Average UV index in July
Riverside, CA

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

The 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).

Average cloud cover in July
Riverside, CA

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

The 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).

Average visibility in July
Riverside, CA

Average visibility in July - Riverside, 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).

Riverside, California, USA

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