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
In Saint George, the average high-temperature in May rises, from an agreeable 68.4°F (20.2°C) in April, to a warm 77.4°F (25.2°C). With a significant temperature contrast, nighttime temperatures hover around an average low of 55.2°F (12.9°C) in May.Humidity
In May, the average relative humidity is 26%.Rainfall
In Saint George, during May, the rain falls for 4.5 days and regularly aggregates up to 0.28" (7mm) of precipitation. In Saint George, during the entire year, the rain falls for 66.6 days and collects up to 6.97" (177mm) of precipitation.Snowfall
In Saint George, snow does not fall in March through October.Daylight
In May, the average length of the day is 14h and 10min.On the first day of the month, sunrise is at 6:38 am and sunset at 8:23 pm. On the last day of May, in Saint George, Utah, sunrise is at 6:15 am and sunset at 8:48 pm MDT.
Sunshine
In Saint George, the average sunshine in May is 11.6h.UV index
The average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 6 in May translates into this advice:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. 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
What is the average May temperature?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
How many hours of daylight does Saint George have in May?
When are sunrise and sunset in May?
How many hours of sunshine does Saint George have in May?
What is the UV index reading in May?
Average temperature in May
Saint George, UT
- Average high temperature in May: 77.4°F
The warmest month (with the highest average high temperature) is July (93.9°F).
The month with the lowest average high temperature is December (47.7°F).
- Average low temperature in May: 55.2°F
The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is December (31.6°F).
Average pressure in May
Saint George, UT
- Average pressure in May: 29.85"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in May
Saint George, UT
- Average wind speed in May: 7.1mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest months (with the lowest average wind speed) are August and December (5.3mph).
Average humidity in May
Saint George, UT
- Average humidity in May: 26%
The month with the highest relative humidity is January (59%).
The month with the lowest relative humidity is June (18%).
Average rainfall in May
Saint George, UT
- Average rainfall in May: 0.28"
The wettest month (with the highest rainfall) is March (0.98").
The driest month (with the least rainfall) is June (0.12").
Average rainfall days in May
Saint George, UT
- Average rainfall days in May: 4.5 days
The month with the highest number of rainy days is March (8.3 days).
The month with the least rainy days is June (1.8 days).
Average snowfall in May
Saint George, UT
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.2").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in May
Saint George, UT
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is December (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Saint George, UT
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in May: 11h and 4min
The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in May
Saint George, UT
- Average sunshine days in May: 24 days
The month with the most sunshine days is June (26.3 days).
The month with the least sunshine days is July (17.9 days).
Average UV index in May
Saint George, UT
- Average UV index in May: 6
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in May
Saint George, UT
- Average cloud cover in May: 12
The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 6).
Average visibility in May
Saint George, UT
- 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).
Saint George, Utah, USA
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