Climate averages 1991–2020
Henderson weather
in January.
A cool, fairly dry month: the 11th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a cool month in Henderson: daytime highs average 14.6°C and nights cool to about 5.5°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 19 mm of rain on roughly 3 days, which makes January a fairly dry month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 00 min on an average January day.
The nearest other city in this atlas is Paradise (16 km away). In January its highs average 14.0°C, 0.6°C cooler than Henderson, with 21 mm of rain.
Among the 498 cities listed in the United States, Henderson ranks 143rd of 498 for the warmest January highs and joint 14th of 498 for the driest January (rainfall, lowest first). The mean January high of those 498 cities is 9.5°C; Henderson is 5.1°C warmer than that mean.
From January to February, average highs rise by 2.1°C to 16.7°C, and monthly rainfall rises from 19 mm to 25 mm.
The annual picture
January 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, selected | 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 | 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
January in nearby cities
- Paradise in JanuaryUnited States · 16 kmHigh 14.0°C · Low 4.4°C · 21 mm rain
- Las Vegas in JanuaryUnited States · 21 kmHigh 13.7°C · Low 3.7°C · 22 mm rain
- Enterprise in JanuaryUnited States · 23 kmHigh 13.0°C · Low 3.7°C · 21 mm rain
- Spring Valley in JanuaryUnited States · 25 kmHigh 13.2°C · Low 3.1°C · 21 mm rain
- Saint George in JanuaryUnited States · 172 kmHigh 10.4°C · Low 0.1°C · 35 mm rain
- Apple Valley in JanuaryUnited States · 263 kmHigh 13.3°C · Low 4.0°C · 38 mm rain
- Victorville in JanuaryUnited States · 268 kmHigh 13.9°C · Low 4.2°C · 38 mm rain
- Hesperia in JanuaryUnited States · 277 kmHigh 13.4°C · Low 3.3°C · 38 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.