May weather forecast
Ouray, CO

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The colorful city of Ouray set between high mountains in Colorado
The colorful city of Ouray set between high mountains in Colorado

Weather in May

May ushers in milder weather in Ouray, with temperatures reaching a relatively warm range between 25.7°F (-3.5°C) to 47.1°F (8.4°C). One of the most significant transitions in May is the increased rainfall reaching nearly 2.87" (73mm), marking the highest precipitation level of the year. More hours of sunlight, averaging 14.3 hours, make this month inviting for open-air activities. Outdoor enthusiasts can delight in camping trips and strolls along the river. The increased daylight also means additional time for visitors to explore the scenic beauty of nearby mountain peaks.

Temperature

The arrival of May in Ouray brings a temperature shift, with the average high-temperature escalating from a wintry 36.5°F (2.5°C) in April to a chilly 47.1°F (8.4°C). During May, Ouray consistently records a temperature low averaging a freezing cold 25.7°F (-3.5°C).

Humidity

In Ouray, the average relative humidity in May is 65%.

Rainfall

In May, the rain falls for 9.2 days. Throughout May, 2.87" (73mm) of precipitation is accumulated. In Ouray, Colorado, during the entire year, the rain falls for 98.2 days and collects up to 26.65" (677mm) of precipitation.

Snowfall

January through June, August through December are months with snowfall in Ouray. In Ouray, during May, snow falls for 13.2 days and regularly aggregates up to 16.18" (411mm) of snow. Throughout the year, there are 102 snowfall days, and 101.02" (2566mm) of snow is accumulated.

Daylight

In Ouray, Colorado, the average length of the day in May is 14h and 15min.
On the first day of the month, sunrise is at 6:13 am and sunset at 8:02 pm. On the last day of May, sunrise is at 5:49 am and sunset at 8:27 pm MDT.

Sunshine

In May, the average sunshine in Ouray is 10.5h.

UV index

In Ouray, the average daily maximum UV index in May is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index, 3 during May, leads to the following recommendations:
Exercise prevention - Warding off sunburn is urged. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Ouray in May?

The high-temperature, in May, in Ouray, is 47.1°F (8.4°C), while the low-temperature averages to 25.7°F (-3.5°C).

What is the average humidity in May in Ouray?

In Ouray, the average relative humidity in May is 65%.

How many days does it rain in May in Ouray?

In Ouray, Colorado, in May, during 9.2 rainfall days, 2.87" (73mm) of precipitation is typically accumulated.

How many days does it snow in May in Ouray?

In Ouray, Colorado, in May, snow falls for 13.2 days, with typically accumulated 16.18" (411mm) of snow.

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

The average day length in May in Ouray is 14h and 15min.

What time are sunrise and sunset in May in Ouray?

In May, on the first day of the month, sunrise is at 6:13 am and sunset at 8:02 pm. On the last day of the month, in Ouray, sunrise is at 5:49 am and sunset at 8:27 pm MDT.

How long on average sun shines in May in Ouray?

In May, the average sunshine duration in Ouray is 10.5h.

How high is the UV index in May in Ouray?

The average daily maximum UV index in May in Ouray is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
Ouray, CO

Average temperature in May - Ouray, CO
  • Average high temperature in May: 47.1°F

The warmest month (with the highest average high temperature) is July (65.1°F).
The month with the lowest average high temperature is January (25.2°F).

  • Average low temperature in May: 25.7°F

The month with the highest average low temperature is July (43.2°F).
The coldest month (with the lowest average low temperature) is January (2.8°F).

Average pressure in May
Ouray, CO

Average pressure in May - Ouray, CO
  • Average pressure in May: 29.92"Hg

The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is May (29.92"Hg).

Average wind speed in May
Ouray, CO

Average wind speed in May - Ouray, CO
  • Average wind speed in May: 6.8mph

The windiest month (with the highest average wind speed) is June (7.6mph).
The calmest month (with the lowest average wind speed) is January (5mph).

Average humidity in May
Ouray, CO

Average humidity in May - Ouray, CO
  • Average humidity in May: 65%

The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is June (47%).

Average rainfall in May
Ouray, CO

Average rainfall in May - Ouray, CO
  • Average rainfall in May: 2.87"

The wettest month (with the highest rainfall) is July (5.39").
The driest month (with the least rainfall) is January (1.1").

Average rainfall days in May
Ouray, CO

Average rainfall days in May - Ouray, CO
  • Average rainfall days in May: 9.2 days

The month with the highest number of rainy days is July (23.8 days).
The months with the least rainy days are January and February (1.3 days).

Average snowfall in May
Ouray, CO

Average snowfall in May - Ouray, CO
  • Average snowfall in May: 16.18"

The month with the highest snowfall is March (16.26").
The month with the least snowfall is July (0").

Average snowfall days in May
Ouray, CO

Average snowfall days in May - Ouray, CO
  • Average snowfall days in May: 13.2 days

The month with the highest number of snowfall days is April (16.5 days).
The month with the least snowfall days is July (0 days).

Average daylight in May /
Average sunshine in May
Ouray, CO

Average daylight in May / Average sunshine in May - Ouray, CO
  • Average daylight in May: 14h and 1min

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 36min).

  • Average sunshine in May: 10h and 3min

The month with the most sunshine is June (Average sunshine: 11h and 36min).
The months with the least sunshine are February and December (Average sunshine: 5h and 42min).

Average sunshine days in May
Ouray, CO

Average sunshine days in May - Ouray, CO
  • Average sunshine days in May: 11.3 days

The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is July (5.3 days).

Average UV index in May
Ouray, CO

Average UV index in May - Ouray, CO
  • Average UV index in May: 3

The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are February and December (UV index 1).

Average cloud cover in May
Ouray, CO

Average cloud cover in May - Ouray, CO
  • Average cloud cover in May: 27

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 15).

Average visibility in May
Ouray, CO

Average visibility in May - Ouray, CO
  • Average visibility in May: 6mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).

Ouray, Colorado, USA

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