May weather forecast
Saint George, UT

Weather in May

May, the last month of the spring in Saint George, is a warm month, with an average temperature varying between 55.2°F (12.9°C) and 77.4°F (25.2°C).

Temperature

In Saint George, the average high-temperature in May increases from an agreeable 68.4°F (20.2°C) in April to a warm 77.4°F (25.2°C). The average low-temperature, in Saint George, Utah, is 55.2°F (12.9°C).

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. Throughout the year, there are 66.6 rainfall days, and 6.97" (177mm) of precipitation is accumulated.

Snowfall

In Saint George, Utah, snow does not fall in March through October.

Daylight

The average length of the day in May in Saint George, Utah, is 14h and 10min.
On the first day of the month, sunrise is at 6:39 am and sunset at 8:23 pm. On the last day of May, sunrise is at 6:16 am and sunset at 8:47 pm MDT.

Sunshine

In May, the average sunshine is 11.6h.

UV index

The average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In May, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the average humidity in May in Saint George?

In May, the average relative humidity in Saint George is 26%.

How much does it rain in Saint George in May?

In Saint George, Utah, in May, it is raining for 4.5 days, with typically 0.28" (7mm) of accumulated precipitation.

When it does not snow in Saint George?

In Saint George, snow does not fall in March through October.

How many hours of daylight does Saint George have in May?

In Saint George, Utah, the average day length in May is 14h and 10min.

When are sunrise and sunset in May in Saint George?

In May, on the first day of the month, sunrise is at 6:39 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 8:47 pm MDT.

How many hours of sunshine does Saint George have in May?

The average sunshine duration in May in Saint George, Utah, is 11.6h.

How high is the UV index in May in Saint George?

In Saint George, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Saint George, UT

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).

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Average pressure in May
Saint George, UT

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).

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Average wind speed in May
Saint George, UT

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).

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Average humidity in May
Saint George, UT

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%).

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Average rainfall in May
Saint George, UT

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").

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Average rainfall days in May
Saint George, UT

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).

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Average snowfall in May
Saint George, UT

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").

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Average snowfall days in May
Saint George, UT

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).

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Average daylight in May /
Average sunshine in May
Saint George, UT

Average daylight in May / Average sunshine in May - Saint George, UT
  • Average daylight in May: 14h and 10min

The month with the longest days is June (Average daylight: 14h and 40min).
The month with the shortest days is December (Average daylight: 9h and 40min).

  • Average sunshine in May: 11h and 36min

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).

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Average sunshine days in May
Saint George, UT

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).

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Average UV index in May
Saint George, UT

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).

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Average cloud cover in May
Saint George, UT

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).

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Average visibility in May
Saint George, UT

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).

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