Weather in Tucson in May 2025
Average weather
Average temperature in Tucson in May
Going from a maximum of +97°F during the day to a minimum of +52°F during the night, the temperature in May averages around +91°F.
The average maximum temperature goes down 8% by the end of the month, compared with the beginning of the month, from +97°F to +93°F.
Is Tucson warm or cold in May?
Tucson is typically hot in May.
Maximum temperatures go up compared to the previous month from +82°F to +90°F. The minimum temperature also goes up from +54°F to +63°F.
Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.
Take a look at how May is compared to other months in Tucson:
Climate in Tucson in May
| April | May | June | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +82°F | +90°F | +99°F | ||||
| Min. temperature | ||||||
| +34°F | +45°F | +54°F | ||||
| Max. temperature | ||||||
| +100°F | +106°F | +113°F | ||||
| Rainfall | ||||||
| 9 mm | 5 mm | 7 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 3 m/s | ||||
| Humidity | ||||||
| 29% | 25% | 23% | ||||
| Air pressure | ||||||
| 1011 HPa | 1009 HPa | 1008 HPa | ||||
| Sunny days | ||||||
| 21 | 22 | 21 | ||||
| Cloudy days | ||||||
| 6 | 6 | 4 | ||||
| Rainy days | ||||||
| 3 | 2 | 3 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
May weather is still as good as in April. It’s getting warmer as May arrives. The average maximum temperature goes up from +82°F to +90°F during the day. As May arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 9 mm to 5 mm. It feels drier, as humidity decreases from 29% to 25%. The average wind speed doesn’t change much during May, staying around 3 m/s. The good news is there are likely to be more sunny days in May, from 21 to 22.
June brings much the same weather, it remains good.
Wind
The average wind speed is 4 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Tucson is gradually decreasing during May, going from 5 m/s to 4 m/s over the course of the month.
Rain
How was the weather last May in Tucson?
Climate Change Over the Years
The climate in Tucson in May has not changed that much over the last 43 years.
The average temperature was the lowest in 1983 (+79°F) and the highest in 2017 (+88°F). The driest year was 2002 with only 96 mm of rainfall, and the wettest year was 2012 with 1690 mm.
FAQ
Is May a good time to visit Tucson?
Can you sunbathe in Tucson in May?
Is Tucson rainy in May?
Is it sunny in Tucson in May?
Other cities in USA
Monthly weather in Tucson
Source of the data
For this page, we’ve looked at the typical weather in Tucson, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.