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 average high-temperature increases in May, moving from a fresh 53.8°F (12.1°C) in April to a refreshing 63.1°F (17.3°C). Grantsville's temperature in May lowers to a consistent average of 45.1°F (7.3°C) during the nights.Humidity
In Grantsville, the average relative humidity in May is 49%.Rainfall
In Grantsville, in May, it is raining for 15.1 days, with typically 2.36" (60mm) of accumulated precipitation. In Grantsville, during the entire year, the rain falls for 137.7 days and collects up to 20.98" (533mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Grantsville aggregates 0.04" (1mm) of snow. Throughout the year, there are 53.4 snowfall days, and 40.28" (1023mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 28min.On the first day of May, sunrise is at 6:27 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 8:54 pm MDT.
Sunshine
In May, the average sunshine in Grantsville is 10.7h.UV index
In Grantsville, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A typical high UV index of 5 in May suggests the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Around midday, solar radiation is most harmful; hence, exposure should be limited. Enhance your sun protection with tightly woven, yet airy clothing. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
What are the temperatures in Grantsville in May?
What is the average humidity in May in Grantsville?
How many days does it rain in May in Grantsville?
What is the last month it snows in Grantsville?
What is the average length of the day in May in Grantsville?
When are sunrise and sunset in May in Grantsville?
How many hours of sunshine does Grantsville have in May?
What is the UV index reading in May in Grantsville?
Average temperature in May
Grantsville, UT
- Average high temperature in May: 63.1°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in May: 45.1°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in May
Grantsville, UT
- Average pressure in May: 29.89"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in May
Grantsville, UT
- Average wind speed in May: 6.9mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is January (6mph).
Average humidity in May
Grantsville, UT
- Average humidity in May: 49%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is July (36%).
Average rainfall in May
Grantsville, UT
- Average rainfall in May: 2.36"
The wettest month (with the highest rainfall) is April (2.52").
The driest month (with the least rainfall) is June (1.1").
Average rainfall days in May
Grantsville, UT
- Average rainfall days in May: 15.1 days
The month with the highest number of rainy days is April (16.3 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in May
Grantsville, UT
- Average snowfall in May: 0.04"
The month with the highest snowfall is December (9.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Grantsville, UT
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is December (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Grantsville, UT
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 10h and 4min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in May
Grantsville, UT
- Average sunshine days in May: 12.8 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is February (10.2 days).
Average UV index in May
Grantsville, UT
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Grantsville, UT
- Average cloud cover in May: 27
The month with the most cloud cover is January (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in May
Grantsville, UT
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Grantsville, Utah, USA
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