May weather forecast
Park City, UT

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A beautiful sunny winter morning in Park City, Utah
A beautiful sunny winter morning in Park City, Utah

Weather in May

The weather in May shifts the scales considerably closer towards summer. Temperatures fluctuate between 34.2°F (1.2°C) and 58.5°F (14.7°C). Long-awaited sunny days start becoming more frequent and are well complemented by colorful spring foliage. As rainfall increases, umbrellas become a common sight amongst locals.

Temperature

May's arrival coincides with a rise in the average high-temperature, moving from April's chilly 46.6°F (8.1°C) to a moderate 58.5°F (14.7°C). Throughout May nights, Park City reports a steady thermal contrast from the day, with an average low-temperature of 34.2°F (1.2°C).

Humidity

In Park City, the average relative humidity in May is 60%.

Rainfall

The months with the most rainfall are February and May, with an average 0.83" (21mm) of precipitation.

Snowfall

Months with snowfall are January through June, September through December. In Park City, in May, snow falls for 3.6 days, with typically accumulated 1.38" (35mm) of snow. Throughout the year, there are 83.1 snowfall days, and 35.71" (907mm) of snow is accumulated.

Daylight

In Park City, the average length of the day in May is 14h and 28min.
On the first day of the month, sunrise is at 6:23 am and sunset at 8:22 pm. On the last day of May, sunrise is at 5:57 am and sunset at 8:50 pm MDT.

Sunshine

In May, the average sunshine in Park City is 10.9h.

UV index

In Park City, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: During May, 4 as the daily maximum UV index converts into the following advice:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures?

The high-temperature, in May, in Park City, is 58.5°F (14.7°C), while the low-temperature averages to 34.2°F (1.2°C).

What is the average humidity in May?

The average relative humidity in May is 60%.

What is the rainiest month?

The wettest months are February and May, with an average 0.83" (21mm) of rainfall.

How many days does it rain in May?

In Park City, during May, the rain falls for 9.8 days and regularly aggregates up to 0.83" (21mm) of precipitation.

How many days does it snow in May?

In Park City, during May, snow falls for 3.6 days and regularly aggregates up to 1.38" (35mm) of snow.

What is the average length of the day in May?

In May, the average day length is 14h and 28min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:23 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 8:50 pm MDT.

How many hours of sunshine does Park City have in May?

The average sunshine duration in May is 10.9h.

What is the UV index intensity in May?

In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
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
Park City, UT

Average temperature in May - Park City, UT
  • Average high temperature in May: 58.5°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is December (28.6°F).

  • Average low temperature in May: 34.2°F

The month with the highest average low temperature is July (51.4°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

Average pressure in May
Park City, UT

Average pressure in May - Park City, 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
Park City, UT

Average wind speed in May - Park City, UT
  • Average wind speed in May: 5.2mph

The windiest months (with the highest average wind speed) are April and June (5.8mph).
The calmest month (with the lowest average wind speed) is January (4.7mph).

Average humidity in May
Park City, UT

Average humidity in May - Park City, UT
  • Average humidity in May: 60%

The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are July and August (43%).

Average rainfall in May
Park City, UT

Average rainfall in May - Park City, UT
  • Average rainfall in May: 0.83"

The wettest months (with the highest rainfall) are February and May (0.83").
The driest month (with the least rainfall) is September (0.28").

Average rainfall days in May
Park City, UT

Average rainfall days in May - Park City, UT
  • Average rainfall days in May: 9.8 days

The month with the highest number of rainy days is May (9.8 days).
The month with the least rainy days is November (4.4 days).

Average snowfall in May
Park City, UT

Average snowfall in May - Park City, UT
  • Average snowfall in May: 1.38"

The month with the highest snowfall is February (6.81").
The months with the least snowfall are July and August (0").

Average snowfall days in May
Park City, UT

Average snowfall days in May - Park City, UT
  • Average snowfall days in May: 3.6 days

The month with the highest number of snowfall days is February (16.2 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in May /
Average sunshine in May
Park City, UT

Average daylight in May / Average sunshine in May - Park City, 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 5min

The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

Average sunshine days in May
Park City, UT

Average sunshine days in May - Park City, UT
  • Average sunshine days in May: 15.4 days

The month with the most sunshine days is June (22.5 days).
The month with the least sunshine days is February (12.6 days).

Average UV index in May
Park City, UT

Average UV index in May - Park City, UT
  • Average UV index in May: 4

The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in May
Park City, UT

Average cloud cover in May - Park City, UT
  • Average cloud cover in May: 24

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 11).

Average visibility in May
Park City, UT

Average visibility in May - Park City, 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).

Park City, Utah, USA

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