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Get the monthly weather forecast for Phoenix, AZ, including daily high/low, historical averages, to help you plan ahead.
Typically, May in Phoenix includes very high temperatures and almost no rainfall. The temperature during the day can rise to approximately 34°C. At night, it falls to around 19°C. Bear in mind, these are average temperatures, and it can get even warmer on particular days.
May Weather in Phoenix Arizona, United States. Daily high temperatures increase by 9°F, from 91°F to 99°F, rarely falling below 81°F or exceeding 107°F. Daily low temperatures increase by 8°F, from 66°F to 74°F, rarely falling below 58°F or exceeding 80°F.
18 lip 2024 · Phoenix, Arizona experiences a hot desert climate in May, characterized by soaring temperatures and minimal precipitation. The average temperature during this month reaches 28.4°C (83.1°F), with daytime highs climbing to 34.7°C (94.4°F) and nighttime lows dropping to 21.6°C (70.8°F).
Nearly every day in May warms to over 80 degrees Fahrenheit (27 degrees Celsius) in Phoenix. The city averages 9 days this month when the thermometer spikes into the 100s °F (over 38 °C). The thermometer dips to 60 °F (16 °C) or below on an average 2 nights.
13 lip 2024 · Temperatures gradually escalate with average highs jumping from 76.1°F (24.5°C) in March to 90.9°F (32.7°C) in May. Corresponding lows also rise from 55.9°F (13.3°C) to 67.6°F (19.8°C). This season records little rainfall, with the driest month being May registering just 0.08" (2mm).
Over the course of the year, the temperature typically varies from 45°F to 107°F and is rarely below 37°F or above 112°F. Based on the beach/pool score, the best times of year to visit Phoenix for hot-weather activities are from late May to early July and from late August to early October.
