Climate averages 1991–2020
Reno weather
in May.
A mild, fairly dry month: the 5th warmest and the 6th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Reno: daytime highs average 20.6°C and nights cool to about 7.9°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 31 mm of rain on roughly 7 days, which makes May a fairly dry month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 20 min on an average May day.
The nearest other city in this atlas is Folsom (151 km away). In May its highs average 25.8°C, 5.3°C warmer than Reno, with 33 mm of rain.
Among the 498 cities listed in the United States, Reno ranks joint 352nd of 498 for the warmest May highs and joint 130th of 498 for the driest May (rainfall, lowest first). The mean May high of those 498 cities is 23.8°C; Reno is 3.2°C cooler than that mean.
From May to June, average highs rise by 6.3°C to 26.9°C, and monthly rainfall falls from 31 mm to 15 mm.
The annual picture
May 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
Reno climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 4.9°C-2.8°C | -2.8°C | 67 | 8.0 | 9.710 h |
| February | 6.4°C-1.9°C | -1.9°C | 60 | 8.5 | 10.711 h |
| March | 10.0°C0.2°C | 0.2°C | 56 | 8.0 | 11.912 h |
| April | 14.4°C3.0°C | 3.0°C | 32 | 6.9 | 13.213 h |
| May, selected | 20.6°C7.9°C | 7.9°C | 31 | 6.8 | 14.314 h |
| June | 26.9°C12.7°C | 12.7°C | 15 | 3.5 | 14.915 h |
| July | 32.2°C17.0°C | 17.0°C | 8.9 | 2.7 | 14.715 h |
| August | 31.2°C17.2°C | 17.2°C | 7.7 | 2.6 | 13.714 h |
| September | 26.5°C14.4°C | 14.4°C | 9.4 | 2.5 | 12.512 h |
| October | 18.8°C8.1°C | 8.1°C | 24 | 3.5 | 11.211 h |
| November | 10.7°C1.6°C | 1.6°C | 34 | 5.7 | 10.010 h |
| December | 4.7°C-3.5°C | -3.5°C | 64 | 7.6 | 9.49 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
May in nearby cities
- Folsom in MayUnited States · 151 kmHigh 25.8°C · Low 11.7°C · 33 mm rain
- Roseville in MayUnited States · 154 kmHigh 26.2°C · Low 12.0°C · 33 mm rain
- Citrus Heights in MayUnited States · 156 kmHigh 26.2°C · Low 12.0°C · 33 mm rain
- Rancho Cordova in MayUnited States · 166 kmHigh 26.2°C · Low 12.1°C · 29 mm rain
- Arden-Arcade in MayUnited States · 170 kmHigh 26.4°C · Low 12.3°C · 23 mm rain
- Chico in MayUnited States · 175 kmHigh 26.7°C · Low 12.8°C · 47 mm rain
- Sacramento in MayUnited States · 179 kmHigh 26.8°C · Low 12.4°C · 23 mm rain
- Elk Grove in MayUnited States · 183 kmHigh 26.0°C · Low 12.0°C · 29 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 Reno) is explained once on the Reno year overview and on the Sources, method and limits page.