May weather forecast
Glenwood Springs, CO

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The natural beauty of Glenwood Springs, Colorado, in the tourist spot of the Hanging Lake
The natural beauty of Glenwood Springs, Colorado, in the tourist spot of the Hanging Lake

Weather in May

Glenwood Springs in May hints at early summer, with the last vestiges of snow disappearing entirely. Although rainfall is marginally high, the amount accumulates to a manageable 1.46" (37mm). The vegetation begins to lush, and the city springs to life as temperatures continue to climb. As the transition into June begins, locals anticipate warmer and longer days.

Temperature

The shift into May in Glenwood Springs is accompanied by a temperature increase, with the average high-temperature rising from a chilly 46.4°F (8°C) in April to a moderate 57.7°F (14.3°C). Despite a significant daily temperature range, Glenwood Springs's temperature falls to a steady low-temperature average of 33.6°F (0.9°C) in May.

Humidity

In May, the average relative humidity is 57%.

Rainfall

In Glenwood Springs, in May, it is raining for 14.7 days, with typically 1.46" (37mm) of accumulated precipitation. Throughout the year, there are 123 rainfall days, and 14.65" (372mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through June, October through December. In Glenwood Springs, during May, snow falls for 1 days and regularly aggregates up to 0.63" (16mm) of snow. In Glenwood Springs, during the entire year, snow falls for 69.4 days and aggregates up to 49.13" (1248mm) of snow.

Daylight

In Glenwood Springs, the average length of the day in May is 14h and 22min.
On the first day of the month, sunrise is at 6:09 am and sunset at 8:03 pm. On the last day of May, sunrise is at 5:43 am and sunset at 8:30 pm MDT.

Sunshine

In Glenwood Springs, the average sunshine in May is 11.2h.

UV index

In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In May, a regular UV index of 4 translates into these guidelines:
Take necessary precautions - Defending against sun damage is advocated. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Updated: Aug 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures?

In May, in Glenwood Springs, the average high-temperature is 57.7°F (14.3°C), and the average low-temperature is 33.6°F (0.9°C).

What is the average humidity in May?

In Glenwood Springs, the average relative humidity in May is 57%.

How much does it rain in May?

In Glenwood Springs, in May, it is raining for 14.7 days, with typically 1.46" (37mm) of accumulated precipitation.

How much does it snow in Glenwood Springs in May?

In Glenwood Springs, in May, snow falls for 1 days, with typically accumulated 0.63" (16mm) of snow.

What is the average length of the day in May?

In May, the average day length in Glenwood Springs is 14h and 22min.

What time are sunrise and sunset in May?

On the first day of May, sunrise is at 6:09 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:30 pm MDT.

How many hours of sunshine does Glenwood Springs have in May?

The average sunshine duration in May in Glenwood Springs is 11.2h.

What is the UV index reading in May?

In May, the average daily maximum UV index is 4. A UV Index 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
Glenwood Springs, CO

Average temperature in May - Glenwood Springs, CO
  • Average high temperature in May: 57.7°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (29.3°F).

  • Average low temperature in May: 33.6°F

The month with the highest average low temperature is July (47.8°F).
The coldest month (with the lowest average low temperature) is January (9.5°F).

Average pressure in May
Glenwood Springs, CO

Average pressure in May - Glenwood Springs, CO
  • Average pressure in May: 29.93"Hg

The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is May (29.93"Hg).

Average wind speed in May
Glenwood Springs, CO

Average wind speed in May - Glenwood Springs, CO
  • Average wind speed in May: 5.3mph

The windiest month (with the highest average wind speed) is June (5.8mph).
The calmest months (with the lowest average wind speed) are January and December (4.3mph).

Average humidity in May
Glenwood Springs, CO

Average humidity in May - Glenwood Springs, CO
  • Average humidity in May: 57%

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

Average rainfall in May
Glenwood Springs, CO

Average rainfall in May - Glenwood Springs, CO
  • Average rainfall in May: 1.46"

The wettest month (with the highest rainfall) is April (1.73").
The driest month (with the least rainfall) is September (0.63").

Average rainfall days in May
Glenwood Springs, CO

Average rainfall days in May - Glenwood Springs, CO
  • Average rainfall days in May: 14.7 days

The month with the highest number of rainy days is April (15 days).
The month with the least rainy days is February (7.1 days).

Average snowfall in May
Glenwood Springs, CO

Average snowfall in May - Glenwood Springs, CO
  • Average snowfall in May: 0.63"

The month with the highest snowfall is February (11.18").
The months with the least snowfall are July, August and September (0").

Average snowfall days in May
Glenwood Springs, CO

Average snowfall days in May - Glenwood Springs, CO
  • Average snowfall days in May: 1 days

The month with the highest number of snowfall days is February (15.2 days).
The months with the least snowfall days are July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Glenwood Springs, CO

Average daylight in May / Average sunshine in May - Glenwood Springs, CO
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in May: 11h and 1min

The months with the most sunshine are June, July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 6min).

Average sunshine days in May
Glenwood Springs, CO

Average sunshine days in May - Glenwood Springs, CO
  • Average sunshine days in May: 11.4 days

The month with the most sunshine days is November (19 days).
The month with the least sunshine days is April (9.6 days).

Average UV index in May
Glenwood Springs, CO

Average UV index in May - Glenwood Springs, CO
  • Average UV index in May: 4

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in May
Glenwood Springs, CO

Average cloud cover in May - Glenwood Springs, CO
  • Average cloud cover in May: 23

The month with the most cloud cover is February (Cloud cover 38).
The month with the least cloud cover is September (Cloud cover 12).

Average visibility in May
Glenwood Springs, CO

Average visibility in May - Glenwood Springs, CO
  • 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 and February (4mi).

Glenwood Springs, Colorado, USA

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