Climate averages 1991–2020
Tucson weather
in June.
A very hot, very dry month: the warmest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
June is a very hot month in Tucson: daytime highs average 37.5°C and nights cool to about 22.6°C. By daytime temperature it is the warmest month of the year.
Expect about 4.6 mm of rain on roughly 1 day, which makes June a very dry month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 13 min on an average June day.
The nearest other city in this atlas is Nogales (102 km away). In June its highs average 34.1°C, 3.3°C cooler than Tucson, with 9.5 mm of rain.
Among the 498 cities listed in the United States, Tucson ranks 14th of 498 for the warmest June highs and 107th of 498 for the driest June (rainfall, lowest first). The mean June high of those 498 cities is 27.9°C; Tucson is 9.6°C warmer than that mean.
From June to July, average highs fall by 0.6°C to 36.8°C, and monthly rainfall rises from 4.6 mm to 33 mm.
The annual picture
June 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
Tucson climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 17.6°C4.0°C | 4.0°C | 29 | 4.0 | 10.310 h |
| February | 19.3°C5.4°C | 5.4°C | 28 | 3.8 | 11.011 h |
| March | 23.3°C8.5°C | 8.5°C | 17 | 3.0 | 12.012 h |
| April | 27.6°C12.3°C | 12.3°C | 6.0 | 1.4 | 12.913 h |
| May | 32.4°C17.2°C | 17.2°C | 2.7 | 0.8 | 13.814 h |
| June, selected | 37.5°C22.6°C | 22.6°C | 4.6 | 1.2 | 14.214 h |
| July | 36.8°C25.1°C | 25.1°C | 33 | 7.8 | 14.014 h |
| August | 36.0°C24.4°C | 24.4°C | 33 | 7.5 | 13.313 h |
| September | 34.1°C21.3°C | 21.3°C | 25 | 3.7 | 12.412 h |
| October | 29.2°C14.9°C | 14.9°C | 14 | 2.3 | 11.411 h |
| November | 22.6°C8.5°C | 8.5°C | 17 | 2.5 | 10.511 h |
| December | 17.1°C3.8°C | 3.8°C | 31 | 4.3 | 10.110 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
June in nearby cities
- Nogales in JuneMexico · 102 kmHigh 34.1°C · Low 18.5°C · 9.5 mm rain
- San Tan Valley in JuneUnited States · 122 kmHigh 38.7°C · Low 22.6°C · 2.0 mm rain
- Chandler in JuneUnited States · 148 kmHigh 39.8°C · Low 22.9°C · 1.9 mm rain
- Mesa in JuneUnited States · 158 kmHigh 39.4°C · Low 23.1°C · 1.6 mm rain
- Tempe in JuneUnited States · 161 kmHigh 39.6°C · Low 23.7°C · 1.8 mm rain
- Agua Prieta in JuneMexico · 165 kmHigh 35.1°C · Low 20.0°C · 9.3 mm rain
- Scottsdale in JuneUnited States · 170 kmHigh 39.3°C · Low 23.6°C · 1.8 mm rain
- Phoenix in JuneUnited States · 173 kmHigh 39.7°C · Low 24.1°C · 1.8 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 Tucson) is explained once on the Tucson year overview and on the Sources, method and limits page.