May weather forecast
Summit, UT

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Weather in May

May, the last month of the spring in Summit, is a refreshing month, with temperature in the range of an average high of 62.6°F (17°C) and an average low of 41.5°F (5.3°C).

Temperature

As Summit, Utah, transitions into May, a rise in the average high-temperature is observed, moving from a cool 53.2°F (11.8°C) in April to an enjoyable 62.6°F (17°C). Summit's nights in May experience an average temperature drop to a cold 41.5°F (5.3°C).

Humidity

In Summit, the average relative humidity in May is 39%.

Rainfall

In Summit, in May, it is raining for 6.3 days, with typically 0.98" (25mm) of accumulated precipitation. Throughout the year, there are 78.4 rainfall days, and 11.61" (295mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Summit are January through May, October through December. May is the last month it regularly snows in Summit. During 1.1 snowfall days, in May, Summit aggregates 1.02" (26mm) of snow. Throughout the year, in Summit, there are 42.2 snowfall days, and 38.31" (973mm) of snow is accumulated.

Daylight

The average length of the day in May in Summit, Utah, is 14h and 14min.
On the first day of May, sunrise is at 6:34 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:47 pm MDT.

Sunshine

In Summit, the average sunshine in May is 11.2h.

UV index

In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 5 in May converts into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the usual temperature for Summit in May?

The high-temperature, in May, in Summit, records 62.6°F (17°C), while the low-temperature is 41.5°F (5.3°C).

What is the average humidity in May in Summit?

The average relative humidity in May is 39%.

How much does it rain in Summit in May?

In Summit, Utah, during May, the rain falls for 6.3 days and regularly aggregates up to 0.98" (25mm) of precipitation.

What is the last month it snows in Summit?

May is the last month it regularly snows in Summit, Utah. During 1.1 snowfall days, in May, Summit aggregates 1.02" (26mm) of snow.

What is the average length of the day in May in Summit?

In Summit, Utah, the average day length in May is 14h and 14min.

What time are sunrise and sunset in May in Summit?

In May, on the first day of the month, sunrise is at 6:34 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:47 pm MDT.

How many hours of sunshine does Summit have in May?

In Summit, the average sunshine duration in May is 11.2h.

How high is the UV index in May in Summit?

In May, the average daily maximum UV index in Summit, Utah, is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Summit, UT

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).

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Average pressure in May
Summit, UT

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).

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Average wind speed in May
Summit, UT

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).

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Average humidity in May
Summit, UT

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%).

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Average rainfall in May
Summit, UT

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").

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Average rainfall days in May
Summit, UT

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).

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Average snowfall in May
Summit, UT

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").

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Average snowfall days in May
Summit, UT

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).

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Average daylight in May /
Average sunshine in May
Summit, UT

Average daylight in May / Average sunshine in May - Summit, 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 36min).

  • Average sunshine in May: 11h and 1min

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).

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Average sunshine days in May
Summit, UT

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).

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Average UV index in May
Summit, UT

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).

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Average cloud cover in May
Summit, UT

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).

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Average visibility in May
Summit, UT

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).

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Summit, Utah, USA

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