July weather forecastRiverside, CA
July
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 14h and 12min
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 6min
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: 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: 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: 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: 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).
