Climate averages 1991–2020
Henderson weather
in July.
A very hot, very dry month: the warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a very hot month in Henderson: daytime highs average 39.3°C and nights cool to about 26.5°C. By daytime temperature it is the warmest month of the year.
Expect about 7.1 mm of rain on roughly 2 days, which makes July a very dry month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 21 min on an average July day.
The nearest other city in this atlas is Paradise (16 km away). In July its highs average 38.8°C, about as warm as Henderson, with 8.4 mm of rain.
Among the 498 cities listed in the United States, Henderson ranks joint 13th of 498 for the warmest July highs and 104th of 498 for the driest July (rainfall, lowest first). The mean July high of those 498 cities is 30.3°C; Henderson is 9.0°C warmer than that mean.
From July to August, average highs fall by 1.0°C to 38.3°C, and monthly rainfall rises from 7.1 mm to 10 mm.
The annual picture
July in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Henderson climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 14.6°C5.5°C | 5.5°C | 19 | 3.2 | 10.010 h |
| February | 16.7°C6.5°C | 6.5°C | 25 | 4.0 | 10.811 h |
| March | 21.2°C9.4°C | 9.4°C | 15 | 3.0 | 11.912 h |
| April | 25.5°C12.6°C | 12.6°C | 5.0 | 1.4 | 13.113 h |
| May | 30.7°C17.5°C | 17.5°C | 2.6 | 0.8 | 14.114 h |
| June | 36.6°C22.6°C | 22.6°C | 1.4 | 0.3 | 14.615 h |
| July, selected | 39.3°C26.5°C | 26.5°C | 7.1 | 2.3 | 14.314 h |
| August | 38.3°C25.8°C | 25.8°C | 10 | 2.5 | 13.514 h |
| September | 34.1°C21.7°C | 21.7°C | 6.5 | 1.3 | 12.412 h |
| October | 26.8°C15.4°C | 15.4°C | 8.0 | 1.3 | 11.311 h |
| November | 19.2°C9.4°C | 9.4°C | 10 | 1.4 | 10.310 h |
| December | 13.7°C5.2°C | 5.2°C | 17 | 2.5 | 9.810 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
July in nearby cities
- Paradise in JulyUnited States · 16 kmHigh 38.8°C · Low 26.0°C · 8.4 mm rain
- Las Vegas in JulyUnited States · 21 kmHigh 38.7°C · Low 26.1°C · 7.0 mm rain
- Enterprise in JulyUnited States · 23 kmHigh 37.6°C · Low 24.3°C · 8.4 mm rain
- Spring Valley in JulyUnited States · 25 kmHigh 38.3°C · Low 24.9°C · 8.4 mm rain
- Saint George in JulyUnited States · 172 kmHigh 36.8°C · Low 25.9°C · 9.7 mm rain
- Apple Valley in JulyUnited States · 263 kmHigh 34.6°C · Low 19.0°C · 7.4 mm rain
- Victorville in JulyUnited States · 268 kmHigh 35.3°C · Low 19.3°C · 7.4 mm rain
- Hesperia in JulyUnited States · 277 kmHigh 33.7°C · Low 18.2°C · 7.4 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Henderson) is explained once on the Henderson year overview and on the Sources, method and limits page.