Climate averages 1991–2020
Tucson weather
in April.
A warm, very dry month: the 7th warmest and the 3rd driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
April is a warm month in Tucson: daytime highs average 27.6°C and nights cool to about 12.3°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 6.0 mm of rain on roughly 1 day, which makes April a very dry month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 57 min on an average April day.
The nearest other city in this atlas is Nogales (102 km away). In April its highs average 24.6°C, 2.9°C cooler than Tucson, with 7.6 mm of rain.
Among the 498 cities listed in the United States, Tucson ranks 25th of 498 for the warmest April highs and 5th of 498 for the driest April (rainfall, lowest first). The mean April high of those 498 cities is 19.4°C; Tucson is 8.2°C warmer than that mean.
From April to May, average highs rise by 4.9°C to 32.4°C, and monthly rainfall falls from 6.0 mm to 2.7 mm.
The annual picture
April 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, selected | 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 | 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
April in nearby cities
- Nogales in AprilMexico · 102 kmHigh 24.6°C · Low 8.6°C · 7.6 mm rain
- San Tan Valley in AprilUnited States · 122 kmHigh 28.2°C · Low 12.5°C · 8.4 mm rain
- Chandler in AprilUnited States · 148 kmHigh 29.1°C · Low 12.7°C · 7.0 mm rain
- Mesa in AprilUnited States · 158 kmHigh 28.8°C · Low 12.5°C · 9.4 mm rain
- Tempe in AprilUnited States · 161 kmHigh 29.0°C · Low 13.0°C · 8.0 mm rain
- Agua Prieta in AprilMexico · 165 kmHigh 25.9°C · Low 10.0°C · 4.8 mm rain
- Scottsdale in AprilUnited States · 170 kmHigh 28.7°C · Low 12.9°C · 8.0 mm rain
- Phoenix in AprilUnited States · 173 kmHigh 29.1°C · Low 13.4°C · 8.0 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.