Normal weather for Phoenix in May
It's hot in May in Phoenix with an average temperature of 34°C. Temperatures this month range from a low of 32°C to a high of 38°C. At night, you can expect temperatures between 19°C and 25°C.
According to weather history, there is only 3,7 mm of precipitation in May. The wind speed is around 4 Bft, mostly coming from the Southwest.
Phoenix in May |
London | ||
|---|---|---|---|
 Average Temperature |
34°C | 18°C | |
 High Temp |
38°C | 21°C | |
| Low Temp |
32°C | 15°C | |
 Total Precipitation |
3,7 mm | 46 mm | |
| Rainy Days |
1 day | 8 days | |
Start of May
The month of May starts in Phoenix with hot temperatures, averaging around 34°C during the day and nights close to 20°C. You won’t see any precipitation in the first days of the month, it’s all sunny skies.
Since temperatures can differ between day and night, it’s a good idea to dress in layers. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal for the day. In the evening and morning, a T-shirt, light trousers or skirt, and a light jacket are recommended.
Mid-May
By mid-May, the average daytime temperature rises to around 35°C, with nights close to 22°C. Not much precipitation expected during this period. It’s mostly dry with sunshine. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
End of May
By the end of May, the average daytime temperature in Phoenix will be around 36°C, with nights close to 23°C. No precipitation expected, with plenty of sunshine on the horizon. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
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UV index
The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is May a good time to visit Phoenix?
May is a great month to be in Phoenix for sunny weather. You’ll get high temperatures and not too much rain this month.
Temperature records for Phoenix in May
With 44°C, Phoenix hit the highest temperature in the last 10 years in May 2020. The lowest daytime temperature in this month was 22°C in 2017. The extreme night temperatures ranged from a low of 12°C to a high of 31°C.
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Daily Temperature in May in Phoenix
This chart shows the average daily temperatures, both day and night, for each day in May in Phoenix, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in May in Phoenix
The chart below shows the average daily precipitation in May for Phoenix, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for May, you can expect about 1 day of rain in Phoenix.
Daily UV Index in May in Phoenix
This chart shows the average daily UV index in May in Phoenix, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in May in Phoenix Over the Years
This chart shows the average temperature in May in Phoenix, measured in degrees Celsius, over the past years.
Total Precipitation in May in Phoenix Over the Years
This chart shows the average precipitation in May in Phoenix, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in May for Phoenix
Click on a specific day in May for detailed info on the typical weather on that day in Phoenix. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in May in Phoenix
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Average Weather in Phoenix by Month
Click on a month below to see detailed weather info for Phoenix. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
