Weather in Tucson in April

Prime time. If you get to pick your dates, April is the one. Highs average 28.8 °C, lows 11.8 °C, and rain falls on 1 days — nothing in the month is working against you.

April ranks 5 of 12 in Tucson: past the worst of the year but short of March, which is the month to book if the dates are open.

Rain falls on only 1 days, so an itinerary with no wet-weather fallback is a reasonable risk. Pack for 28.8 °C days and 11.8 °C nights; the spread matters more here than any single number.

What the averages hide

Averages flatten a month, and this one hides a few things: 13 days top 30 °C — hot spells arrive, but they break; the day swings 17.1 °C from low to high, which means one bag has to cover both. Across the twenty years measured, the hottest April day reached 38.9 °C and the coldest night fell to 2.9 °C.

April is dependably dry, and that reliability is the point: across the twenty years measured, the wettest April on record still only managed 31 mm, and the driest managed 0 mm. There is no meaningful variability to plan around, which makes this one of the few months anywhere that you can build a fixed outdoor itinerary against without a fallback. The wettest single day in twenty years of Aprils brought 16 mm. Rain simply is not the variable that decides this trip — heat, crowds and cost are.

Wind is light at 9.9 km/h, so the temperature on the page is close to the temperature on your skin, and the air is dry at 30% humidity, which makes the heat far more bearable than the same figure somewhere humid — and dehydrates you faster than you expect.

How April sits in the year

The month is on the way up: 3.9 °C warmer than March, and May adds another 4.9 °C. Late in the month feels noticeably different from the start of it, which is worth knowing if the trip is short.

Daylight in April

12.9 hours of daylight, gaining 0.9 hours across the month. That is between Tucson's extremes of 14.2 and 10.1 hours, so days are long enough not to constrain the plan.

An inland climate

With no coast nearby, the year swings a fair way — 34.5 °C between the warmest afternoons and the coldest nights, wider than any coastal city at this latitude would manage. At 759 m the air is thin enough to matter — sun that burns faster than the temperature suggests, and nights that cool off quickly. Within April itself the daily swing is 17.1 °C, so mornings and afternoons need different clothes.

How busy it gets

Peak season. Expect the highest prices of the year and to be booking well ahead.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

April in Tucson versus nearby

If Tucson is one option among several, the nearby comparison is worth making. Phoenix is close enough to be a coin toss — within a degree on temperature, 1 day more rain. Sedona is close enough to be a coin toss — 6.7 °C cooler, 2 days more rain.

So: April works, with March the better month by 7 points if the dates can move. If they cannot, nothing here should stop you booking.

Every month in Tucson

See all twelve months in Tucson, or where else to go in April.