May weather forecastSmithfield, UT
May
Weather in May
May, the last month of the spring in Smithfield, is a comfortable month, with an average temperature varying between 37.8°F (3.2°C) and 61.5°F (16.4°C).Temperature
Smithfield in May experiences an increase in the average high-temperature, moving from April's cool 50.5°F (10.3°C) to an enjoyable 61.5°F (16.4°C). Contrasted against daytime highs, Smithfield records an average nighttime low of 37.8°F (3.2°C) in May.Humidity
The average relative humidity in May is 58%.Rainfall
In Smithfield, Utah, in May, it is raining for 17.4 days, with typically 1.97" (50mm) of accumulated precipitation. Throughout the year, there are 135.6 rainfall days, and 18.54" (471mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. May is the last month it regularly snows. During 0.7 snowfall days, in May, Smithfield aggregates 0.39" (10mm) of snow. Throughout the year, there are 78.7 snowfall days, and 56.69" (1440mm) of snow is accumulated.Daylight
In Smithfield, the average length of the day in May is 14h and 34min.On the first day of the month, sunrise is at 6:22 am and sunset at 8:26 pm. On the last day of May, sunrise is at 5:54 am and sunset at 8:55 pm MDT.
Sunshine
In Smithfield, the average sunshine in May is 10.8h.UV index
The average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 4 during May leads to these advisories:
Ensure safety - Imperative it is to shield skin and eyes from damage. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Smithfield, UT
- Average high temperature in May: 61.5°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (29.3°F).
- Average low temperature in May: 37.8°F
The month with the highest average low temperature is July (55.4°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).
Average pressure in May
Smithfield, UT
- Average pressure in May: 29.9"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in May
Smithfield, UT
- Average wind speed in May: 5.4mph
The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is January (4mph).
Average humidity in May
Smithfield, UT
- Average humidity in May: 58%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (37%).
Average rainfall in May
Smithfield, UT
- Average rainfall in May: 1.97"
The wettest month (with the highest rainfall) is January (2.2").
The driest month (with the least rainfall) is July (0.59").
Average rainfall days in May
Smithfield, UT
- Average rainfall days in May: 17.4 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is July (7.5 days).
Average snowfall in May
Smithfield, UT
- Average snowfall in May: 0.39"
The month with the highest snowfall is January (16.02").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Smithfield, UT
- Average snowfall days in May: 0.7 days
The month with the highest number of snowfall days is January (17.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Smithfield, UT
- Average daylight in May: 14h and 36min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 10h and 48min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in May
Smithfield, UT
- Average sunshine days in May: 10.2 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is February (7.8 days).
Average UV index in May
Smithfield, UT
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Smithfield, UT
- Average cloud cover in May: 25
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in May
Smithfield, UT
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).
