Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The onset of May marks a slight increase in the average high-temperature, moving from a moderately hot 78.3°F (25.7°C) in April to a still warm 85.5°F (29.7°C). From the heights of the May heat, Tucson records a mean nighttime low of 60.4°F (15.8°C).Humidity
In Tucson, Arizona, the average relative humidity in May is 21%.Rainfall
May is the month with the least rainfall. Rain falls for 1.3 days and accumulates 0.08" (2mm) of precipitation.Snowfall
February through December are months without snowfall.Daylight
In Tucson, the average length of the day in May is 13h and 49min.On the first day of May, sunrise is at 5:36 am and sunset at 7:04 pm. On the last day of the month, sunrise is at 5:17 am and sunset at 7:25 pm MST.
Sunshine
The average sunshine in May is 12h.UV index
The average daily maximum UV index in May in Tucson is 7. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: An average UV index of 7 in May transforms into this advice:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during May?
What is the average humidity in May?
What is the driest month?
How much does it rain in Tucson in May?
When it does not snow?
How many hours of daylight does Tucson have in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Tucson have in May?
What is the UV index intensity in May?
Average temperature in May
Tucson, AZ
- Average high temperature in May: 85.5°F
The warmest month (with the highest average high temperature) is June (96.6°F).
The month with the lowest average high temperature is December (60.8°F).
- Average low temperature in May: 60.4°F
The month with the highest average low temperature is July (77°F).
The coldest months (with the lowest average low temperature) are January and December (43°F).
Average pressure in May
Tucson, AZ
- Average pressure in May: 29.86"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in May
Tucson, AZ
- Average wind speed in May: 8.1mph
The windiest months (with the highest average wind speed) are April and May (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in May
Tucson, AZ
- Average humidity in May: 21%
The month with the highest relative humidity is December (45%).
The month with the lowest relative humidity is June (19%).
Average rainfall in May
Tucson, AZ
- Average rainfall in May: 0.08"
The wettest month (with the highest rainfall) is July (1.42").
The driest month (with the least rainfall) is May (0.08").
Average rainfall days in May
Tucson, AZ
- Average rainfall days in May: 1.3 days
The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is May (1.3 days).
Average snowfall in May
Tucson, AZ
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.08").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Tucson, AZ
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in May /
Average sunshine in May
Tucson, AZ
- Average daylight in May: 13h and 5min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in May: 12h and 0min
The month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in May
Tucson, AZ
- Average sunshine days in May: 29.3 days
The month with the most sunshine days is May (29.3 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in May
Tucson, AZ
- Average UV index in May: 7
The month with the highest UV index is June (UV index 8).
The months with the lowest UV index are November and December (UV index 3).
Average cloud cover in May
Tucson, AZ
- Average cloud cover in May: 7
The month with the most cloud cover is December (Cloud cover 19).
The months with the least cloud cover are May and June (Cloud cover 7).
Average visibility in May
Tucson, AZ
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Tucson, Arizona, USA
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