Arizona, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Mesa, AZ

May brings high temperatures, and the heat increases rapidly by the day; the days see brilliant sunshine as the rocky and arid landscape receives a negligible amount of rainfall.
The average high temperature in Mesa reaches a hot 93.9°F (34.4°C), while the average low during the nights is warm at 61°F (16.1°C).
The air has little moisture, and the heat is punishing during midday - drink plenty of water and avoid going out in the intense sunlight. The snowbirds usually leave Mesa by May, as the summer is sweltering.
  • Average high temperature in May: 94°F

The warmest month (with the highest average high temperature) is July (106°F).
Months with the lowest average high temperature are January and December (67°F).

  • Average low temperature in May: 61°F

The month with the highest average low temperature is July (77°F).
The coldest month (with the lowest average low temperature) is December (40°F).

  • Average rainfall in May: 0.2"

The wettest month (with the highest rainfall) is March (1.2").
The driest month (with the lowest rainfall) is June (0.1").

  • Average daylight in May: 13.9h

The month with the longest days is June (Average daylight: 14.3h).
The month with shortest days is December (Average daylight: 10h).