Riverside, CA weather in July
July in Riverside: hot and dry. Highs 93°F, lows 64°F, about 1 day with rain. This is the peak of the warm season in Riverside. Midday heat is the main thing to plan around.
- Normal high
- 93°F
- Normal low
- 64°F
- Wet days
- 1
- 0.1 in total
- Muggy days
- 1
- dew point 65°F+
How July changes from start to finish
| July 1 | July 31 | |
|---|---|---|
| Normal high | 91°F | 94°F |
| Normal low | 62°F | 65°F |
| Chance of a wet day | 2% | 2% |
| Sunrise / sunset | 5:42 am / 8:04 pm | 6:00 am / 7:51 pm |
| Daylight | 14.4 h | 13.8 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Pacific Time).
A typical July day
- 6 am66°Fdew point 57°F
- 9 am80°Fdew point 55°F
- Noon90°Fdew point 53°F
- 3 pm92°Fdew point 54°F
- 6 pm84°Fdew point 54°F
- 9 pm72°Fdew point 56°F
NOAA hourly normals (local standard time) from March AFB (9 mi away); average wind 6 mph; clear or few clouds in 81% of daytime hours, mostly cloudy or overcast in 11%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F0 of 31
- Hot dayshigh 90°F or more24 of 31
- Muggy daysdaily mean dew point 65°F or more1 of 31
- Wet daysat least 0.01 in of rain or melted snow1 of 31
- Notable rainat least 0.10 in0 of 31
- Freezing nightslow 32°F or below0 of 31
Average days per July, counted from daily records for each year 1991-2020.
Rain in July
Normal precipitation is 0.1 in; a dry July brings about 0.0 in and a wet one about 0.1 in (25th and 75th percentiles). Days with half an inch or more are rare.
How July varies from year to year
- Warmest July, 1991-20202018: average high 100°F
- Coolest July2010: average high 90°F
- Wettest July2015: 1.6 in
- Driest July1993: no measurable precipitation
- Highest reading118°F (July 6, 2018)
- Lowest reading52°F (July 12, 2001)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
July compared with June and August
| June | July | August | |
|---|---|---|---|
| Normal high | 87°F | 93°F | 95°F |
| Normal low | 59°F | 64°F | 65°F |
| Wet days | 0 | 1 | 0 |
| Comfortable days | 7 | 0 | 0 |
| Daylight | 14.4 h | 14.2 h | 13.4 h |
Highs change by +6°F from June and +2°F into August.
Nearby alternatives in July
- Warmer: Palm Springs, CA50 mi · high 109°F · 1 wet day
- Cooler: Anaheim, CA31 mi · high 83°F · 1 wet day
How Riverside ranks in July
- Normal high82nd warmest of 378 cities; 22nd of 60 in California
- Wet days46th driest of 378
- Comfortable days209th most of 340
What to pack for Riverside in July
- Light, breathable clothing – highs near 93°F
- Layers – afternoons near 93°F but nights near 64°F
- Sunglasses and sunscreen – about 14.2 hours of daylight and highs near 93°F
Heating and cooling
July has 0 heating degree days and 422 cooling degree days (base 65°F), 13% of the year's total heating and cooling demand.
Questions
How hot is Riverside in July?
The normal high is 93°F and the normal low is 64°F. From 1991 to 2020 the hottest July reading was 118°F (July 6, 2018).
Does it rain a lot in Riverside in July?
About 1 days in July have at least 0.01 in of precipitation, and the normal total is 0.1 in. The wettest July in 1991-2020 was in 2015 (1.6 in); the driest was in 1993, with no measurable precipitation.
Is July a good time to visit Riverside?
July ranks 11th of 12 months on our comfort score for Riverside (43 out of 100). It has almost no comfortable days and about 24 days at 90°F or hotter. The best months are March, April and May.
Where the numbers come from
- Temperature and frost dates: Riverside Muni Airport (USW00003171), 2.4 mi W of the city center, 805 ft . NOAA normals and daily records, 1991-2020.
- Rain, snowfall and snow depth: Riverside Fire Stn 3 (USC00047470), 0.5 mi ESE of the city center, 840 ft . NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour and cloud cover: March AFB (USW00023119), 9.2 mi ESE of the city center, 1,516 ft (687 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: March Air Reserve Base (722860-23119), 9.2 mi ESE of the city center, 1,536 ft (707 ft higher than the city). Hourly observations, 1991-2020.