May weather forecast
Carbondale, CO

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Weather in May

The last month of the spring, May, is a mild month in Carbondale, Colorado, with an average temperature varying between 31.6°F (-0.2°C) and 58.3°F (14.6°C).

Temperature

The beginning of May signals a rise in the average high-temperature, moving from a frosty 46.2°F (7.9°C) in April to a moderate 58.3°F (14.6°C). In stark contrast to the day's heat, the temperature dips to an average of 31.6°F (-0.2°C) during May nights.

Humidity

The average relative humidity in May is 58%.

Rainfall

In Carbondale, in May, it is raining for 10.8 days, with typically 0.98" (25mm) of accumulated precipitation. In Carbondale, during the entire year, the rain falls for 98 days and collects up to 12.2" (310mm) of precipitation.

Snowfall

Months with snowfall are January through June, October through December. In May, in Carbondale, it is snowing for 2 days. Throughout May, 1.26" (32mm) of snow is accumulated. In Carbondale, during the entire year, snow falls for 78.7 days and aggregates up to 56.02" (1423mm) of snow.

Daylight

In May, the average length of the day is 14h and 22min.
On the first day of the month, sunrise is at 6:08 am and sunset at 8:02 pm. On the last day of May, sunrise is at 5:43 am and sunset at 8:29 pm MDT.

Sunshine

In Carbondale, the average sunshine in May is 11.4h.

UV index

In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 4 during May leads to these advisories:
Guard yourself - Precautionary measures against sun damage are advocated. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Updated: Jun 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

The high-temperature in Carbondale during May is 58.3°F (14.6°C) and the low-temperature is 31.6°F (-0.2°C).

What is the average humidity in May?

In May, the average relative humidity is 58%.

How many days does it rain in May in Carbondale?

In May, the rain falls for 10.8 days. Throughout May, 0.98" (25mm) of precipitation is accumulated.

How much does it snow in May?

In Carbondale, in May, snow falls for 2 days, with typically accumulated 1.26" (32mm) of snow.

What is the average length of the day in May?

In Carbondale, Colorado, the average day length in May is 14h and 22min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 6:08 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:29 pm MDT.

How many hours of sunshine does Carbondale have in May?

In May, the average sunshine duration is 11.4h.

How high is the UV index in May?

In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health risk from 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
Carbondale, CO

Average temperature in May - Carbondale, CO
  • Average high temperature in May: 58.3°F

The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in May: 31.6°F

The month with the highest average low temperature is July (45.5°F).
The coldest month (with the lowest average low temperature) is January (8.1°F).

Average pressure in May
Carbondale, CO

Average pressure in May - Carbondale, CO
  • Average pressure in May: 29.94"Hg

The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is May (29.94"Hg).

Average wind speed in May
Carbondale, CO

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

The windiest month (with the highest average wind speed) is June (5.7mph).
The calmest months (with the lowest average wind speed) are January and December (4.2mph).

Average humidity in May
Carbondale, CO

Average humidity in May - Carbondale, CO
  • Average humidity in May: 58%

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

Average rainfall in May
Carbondale, CO

Average rainfall in May - Carbondale, CO
  • Average rainfall in May: 0.98"

The wettest month (with the highest rainfall) is April (1.61").
The driest month (with the least rainfall) is September (0.35").

Average rainfall days in May
Carbondale, CO

Average rainfall days in May - Carbondale, CO
  • Average rainfall days in May: 10.8 days

The month with the highest number of rainy days is April (13.3 days).
The month with the least rainy days is November (5.8 days).

Average snowfall in May
Carbondale, CO

Average snowfall in May - Carbondale, CO
  • Average snowfall in May: 1.26"

The month with the highest snowfall is February (11.02").
The months with the least snowfall are July, August and September (0").

Average snowfall days in May
Carbondale, CO

Average snowfall days in May - Carbondale, CO
  • Average snowfall days in May: 2 days

The month with the highest number of snowfall days is February (15.3 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in May / Average sunshine in May - Carbondale, 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 2min

The months with the most sunshine are June and August (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 6min).

Average sunshine days in May
Carbondale, CO

Average sunshine days in May - Carbondale, CO
  • Average sunshine days in May: 16.7 days

The month with the most sunshine days is June (21.9 days).
The month with the least sunshine days is February (10.7 days).

Average UV index in May
Carbondale, CO

Average UV index in May - Carbondale, 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, April, October, November and December (UV index 2).

Average cloud cover in May
Carbondale, CO

Average cloud cover in May - Carbondale, CO
  • Average cloud cover in May: 21

The month with the most cloud cover is February (Cloud cover 39).
The month with the least cloud cover is September (Cloud cover 12).

Average visibility in May
Carbondale, CO

Average visibility in May - Carbondale, 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).

Carbondale, Colorado, USA

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