Phoenix, USA

Set on the desert belt, Phoenix (USA) is best understood through its weather data: our 2015–2024 climate record puts its peak at a 100/100 sun score in April, exactly the kind of reliability you want for a dose of dry heat and big skies.

The year runs from average lows of 6°C in January to highs of 41°C in July. On the rain ledger, April is the safest bet at a 2% chance of a wet day, while July climbs to 16%. Beach-warm afternoons (24°C and up) hold through March–November.

Season by season (on the northern calendar), spring brings 30°C highs with 5% rain-day odds, summer 41°C at 11%, autumn 31°C at 8%, and winter 20°C at 12%. In short: plan around spring if you can, keep winter as the fallback, and go into summer with managed expectations (its season score is 68). A practical compromise is March — the edge of the warm window, averaging 25°C with a 94 sun score.

Best months to visit Phoenix

Ranked purely on sunshine odds, the podium is April at 100/100, then November at 95 and March at 94. Anything in January–June and October–December clears our 70-point reliability bar. Skip September if sunshine is the point — it bottoms out at 66/100.

For context: in April, Phoenix is drier than 75% of the desert destinations we track.

Month-by-month breakdown for Phoenix → · More destinations for April →

Right now the 16-day outlook shows 8 mostly-clear days (under 40% cloud) and 2 with real rain risk, with temperatures between 15°C and 30°C — which is how Phoenix earns its current 86/100 sun score.