May Weather in Park City, United States

Last updated: June 24, 2025

In May, the average temperature in Park City, United States is a mild 12°C (54°F). However, prepare for a range as temperatures can dip to a chilly -3°C (28°F) or soar up to a warm 29°C (85°F). Expect 73 mm (2.9 in) of precipitation over about 13 days, and with an average humidity of 76%, it’s a month where both warmth and moisture can play a significant role in your plans!

May Temperature in Park City

In May in Park City, the average temperature is 12°C (54°F). The maximum can reach 29°C (85°F), while the minimum can drop as low as -3°C (28°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

May Weather in Park City: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Park City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Park City, May typically has an average temperature of 12°C (54°F), with highs reaching up to 29°C (85°F) and lows dropping to around -3°C (28°F).

Data source: Temperature data for Park City generated using information from the Copernicus Climate Change Service.

May Precipitation in Park City

In Park City in May, the precipitation amount is 73 mm (2.9 in) over the course of 13 days.

May Precipitation Trends in Park City

The chart displays monthly precipitation patterns in Park City, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Park City, May typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 13 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Park City

In Park City in May, humidity is 76%. With an average temperature of 12°C (54°F), this humidity feels like a heavy blanket enveloping you, making outdoor activities a bit uncomfortable and requiring frequent hydration while exploring.

May Average Humidity in Park City

This chart illustrates the average monthly humidity levels in Park City, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Park City is approximately 76%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Park City

In Park City in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Park City.

Maximum UV Index Levels in Park City for May

The chart shows the monthly maximum UV Index (UVI) for Park City in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Park City typically reaches 9, which falls under the very high exposure category.

Data source: Park City May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How May Weather in Park City Compares to Other Months

Weather in Park City varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Park City, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Park City, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (25°F)	19 mm (0.7 inches)	85%	moderate
February Weather	-7°C (19°F)	49 mm (1.9 inches)	85%	moderate
March Weather	2°C (35°F)	36 mm (1.4 inches)	79%	high
April Weather	6°C (42°F)	68 mm (2.7 inches)	74%	very high
May Weather	12°C (54°F)	73 mm (2.9 inches)	76%	very high
June Weather	18°C (65°F)	63 mm (2.5 inches)	79%	extreme
July Weather	23°C (73°F)	22 mm (0.9 inches)	81%	very high
August Weather	21°C (71°F)	21 mm (0.8 inches)	80%	very high
September Weather	16°C (61°F)	46 mm (1.8 inches)	76%	very high
October Weather	7°C (44°F)	47 mm (1.9 inches)	74%	moderate
November Weather	1°C (35°F)	32 mm (1.3 inches)	81%	moderate
December Weather	-2°C (28°F)	29 mm (1.1 inches)	87%	low