May weather forecastSummit, UT
May
Weather in May
The last month of the spring, May, is a refreshing month in Summit, Utah, with an average temperature fluctuating between 62.6°F (17°C) and 41.5°F (5.3°C).Temperature
As Summit enters May, the average high-temperature increases from the a fresh 53.2°F (11.8°C) of April to an enjoyable 62.6°F (17°C). In Summit, May's nights observe an average temperature dip to an icy 41.5°F (5.3°C).Humidity
In Summit, the average relative humidity in May is 39%.Rainfall
In Summit, Utah, during May, the rain falls for 6.3 days and regularly aggregates up to 0.98" (25mm) of precipitation. Throughout the year, in Summit, there are 78.4 rainfall days, and 11.61" (295mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 1.1 snowfall days, in May, Summit aggregates 1.02" (26mm) of snow. Throughout the year, there are 42.2 snowfall days, and 38.31" (973mm) of snow is accumulated.Daylight
In Summit, the average length of the day in May is 14h and 14min.On the first day of the month, sunrise is at 6:34 am and sunset at 8:22 pm. On the last day of May, sunrise is at 6:11 am and sunset at 8:47 pm MDT.
Sunshine
In May, the average sunshine is 11.2h.UV index
The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: During May, 5 as the daily maximum UV index converts into the following advice:
Act with care - The suggestion to avoid sunburn is emphasized. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Summit, UT
- Average high temperature in May: 62.6°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The months with the lowest average high temperature are January and December (35.4°F).
- Average low temperature in May: 41.5°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is December (18.9°F).
Average pressure in May
Summit, UT
- Average pressure in May: 29.86"Hg
The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in May
Summit, UT
- Average wind speed in May: 7.9mph
The windiest month (with the highest average wind speed) is June (8.1mph).
The calmest month (with the lowest average wind speed) is January (5.4mph).
Average humidity in May
Summit, UT
- Average humidity in May: 39%
The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is June (27%).
Average rainfall in May
Summit, UT
- Average rainfall in May: 0.98"
The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is June (0.2").
Average rainfall days in May
Summit, UT
- Average rainfall days in May: 6.3 days
The month with the highest number of rainy days is July (11.9 days).
The month with the least rainy days is June (2.7 days).
Average snowfall in May
Summit, UT
- Average snowfall in May: 1.02"
The month with the highest snowfall is December (8.19").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Summit, UT
- Average snowfall days in May: 1.1 days
The month with the highest number of snowfall days is December (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Summit, UT
- Average daylight in May: 14h and 12min
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 36min).
- Average sunshine in May: 11h and 12min
The months with the most sunshine are June and August (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in May
Summit, UT
- Average sunshine days in May: 21.3 days
The month with the most sunshine days is June (25.8 days).
The month with the least sunshine days is July (16 days).
Average UV index in May
Summit, UT
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Summit, UT
- Average cloud cover in May: 17
The month with the most cloud cover is December (Cloud cover 31).
The month with the least cloud cover is June (Cloud cover 9).
Average visibility in May
Summit, UT
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
