May weather forecast
Capitol Reef National Park, UT

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Natural sandstone formation in the Cathedral Wash, within the Capitol Reef National Park, Utah
Natural sandstone formation in the Cathedral Wash, within the Capitol Reef National Park, Utah

Weather in May

May reveals another leap in temperature at Capitol Reef National Park, with a temperature ranging from 37°F (2.8°C) to 70°F (21.1°C). Embracing a higher UV index of 9, this month witnesses sunnier skies, resulting in a spike in the number of daylight hours for outdoor activities. The shifting weather pattern brings with it the smell of summer, filling the air with a vibrant and warm ambiance. Rainfall during May accounts for a mild 0.6" (15mm) spread over six days so carry a light jacket.

Temperature

May comes with an increase, with the average high-temperature moving from a refreshing 59°F (15°C) in April to an agreeable 69.8°F (21°C). May nights bring a significant cooling from the heat of the day, with averages of 37.4°F (3°C).

Rainfall

In May, the rain falls for 6 days. Throughout May, 0.63" (16mm) of precipitation is accumulated. Throughout the year, there are 79 rainfall days, and 7.99" (203mm) of precipitation is accumulated.

Daylight

The average length of the day in May is 14h and 16min.
On the first day of May in Capitol Reef National Park, Utah, sunrise is at 6:27 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 8:42 pm MDT.

Sunshine

In Capitol Reef National Park, the average sunshine in May is 11h.

UV index

In May, the average daily maximum UV index is 9. A UV Index reading of 8 to 10 represents a very high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: In May, a daily maximum UV index of 9 leads to the following instructions:
Protection is paramount; otherwise, swift harm can come to the skin and eyes. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Updated: Jul 24, 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 Capitol Reef National Park, records 69.8°F (21°C), while the low-temperature is 37.4°F (3°C).

How many days does it rain in May?

In Capitol Reef National Park, in May, it is raining for 6 days, with typically 0.63" (16mm) of accumulated precipitation.

What is the average length of the day in May?

In May, the average day length is 14h and 16min.

When is the sunrise / sunset in May?

On the first day of May, sunrise is at 6:27 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 8:42 pm MDT.

How long on average sun shines in May?

In Capitol Reef National Park, the average sunshine duration in May is 11h.

What is the UV index reading in May?

In May, the average daily maximum UV index is 9. A UV Index estimate of 8 to 10 represents a very high health vulnerability from unsafe exposure to Sun's UV rays.
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in May
Capitol Reef National Park, UT

Average temperature in May - Capitol Reef National Park, UT
  • Average high temperature in May: 70°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in May: 37°F

The month with the highest average low temperature is July (52°F).
The coldest month (with the lowest average low temperature) is January (9°F).

Average rainfall in May
Capitol Reef National Park, UT

Average rainfall in May - Capitol Reef National Park, UT
  • Average rainfall in May: 0.6"

The wettest month (with the highest rainfall) is August (1.4").
The driest months (with the least rainfall) are February and April (0.4").

Average rainfall days in May
Capitol Reef National Park, UT

Average rainfall days in May - Capitol Reef National Park, UT
  • Average rainfall days in May: 6 days

The months with the highest number of rainy days are March and August (8 days).
The month with the least rainy days is June (5 days).

Average daylight in May /
Average sunshine in May
Capitol Reef National Park, UT

Average daylight in May / Average sunshine in May - Capitol Reef National Park, UT
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in May: 11h

The month with the most sunshine is June (Average sunshine: 12h).
The months with the least sunshine are January and December (Average sunshine: 6h).

Average UV index in May
Capitol Reef National Park, UT

Average UV index in May - Capitol Reef National Park, UT
  • Average UV index in May: 9

The months with the highest UV index are June and July (UV index 11).
The months with the lowest UV index are January and December (UV index 2).

Capitol Reef National Park, Utah, USA

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