May weather forecast
Cortez, CO

The bright and red rays of the setting sun over the scenic layout of hills and plains of Cortez, Colorado
The bright and red rays of the setting sun over the scenic layout of hills and plains of Cortez, Colorado

Weather in May

The last month of the spring, May, is a pleasant month in Cortez, Colorado, with an average temperature varying between 68.5°F (20.3°C) and 44.6°F (7°C).

Temperature

In May, the average high-temperature rises from a mild 58.8°F (14.9°C) in April to an agreeable 68.5°F (20.3°C). The average low-temperature, in May, is 44.6°F (7°C).

Humidity

In May, the average relative humidity is 34%.

Rainfall

In May, in Cortez, Colorado, the rain falls for 5.3 days. Throughout May, 0.51" (13mm) of precipitation is accumulated. In Cortez, Colorado, during the entire year, the rain falls for 78.9 days and collects up to 9.84" (250mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in May in Cortez is 14h and 11min.
On the first day of May in Cortez, Colorado, sunrise is at 6:18 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 8:28 pm MDT.

Sunshine

In May, the average sunshine is 11.5h.

UV index

In Cortez, Colorado, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The daily maximum UV index of 5 in May interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the average humidity in May in Cortez?

In May, the average relative humidity is 34%.

How many days does it rain in May in Cortez?

In Cortez, in May, during 5.3 rainfall days, 0.51" (13mm) of precipitation is typically accumulated.

When it does not snow in Cortez?

In Cortez, Colorado, snow does not fall in May through September.

Does it snow in Cortez in May?

In May, it doesn't snow. April is the latest month when it typically snows.

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

In Cortez, the average day length in May is 14h and 11min.

When is the sunrise / sunset in May in Cortez?

On the first day of May in Cortez, sunrise is at 6:18 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 8:28 pm MDT.

How many hours of sunshine does Cortez have in May?

In May, the average sunshine duration is 11.5h.

What is the UV index intensity in May in Cortez?

The average daily maximum UV index in May in Cortez is 5. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Cortez, CO

Average temperature in May - Cortez, CO
  • Average high temperature in May: 68.5°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (35.1°F).

  • Average low temperature in May: 44.6°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

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Average pressure in May
Cortez, CO

Average pressure in May - Cortez, CO
  • Average pressure in May: 29.88"Hg

The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in May
Cortez, CO

Average wind speed in May - Cortez, CO
  • Average wind speed in May: 8.9mph

The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is January (5.7mph).

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Average humidity in May
Cortez, CO

Average humidity in May - Cortez, CO
  • Average humidity in May: 34%

The month with the highest relative humidity is January (73%).
The month with the lowest relative humidity is June (26%).

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Average rainfall in May
Cortez, CO

Average rainfall in May - Cortez, CO
  • Average rainfall in May: 0.51"

The wettest months (with the highest rainfall) are January and December (1.26").
The driest month (with the least rainfall) is June (0.2").

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Average rainfall days in May
Cortez, CO

Average rainfall days in May - Cortez, CO
  • Average rainfall days in May: 5.3 days

The month with the highest number of rainy days is July (9.6 days).
The month with the least rainy days is June (2.8 days).

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Average snowfall in May
Cortez, CO

Average snowfall in May - Cortez, CO
  • Average snowfall in May: 0"

The month with the highest snowfall is January (8.11").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
Cortez, CO

Average snowfall days in May - Cortez, CO
  • Average snowfall days in May: 0 days

The months with the highest number of snowfall days are January and December (8.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Cortez, CO
  • Average daylight in May: 14h and 11min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 38min).

  • Average sunshine in May: 11h and 30min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 6h and 30min).

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Average sunshine days in May
Cortez, CO

Average sunshine days in May - Cortez, CO
  • Average sunshine days in May: 24.8 days

The month with the most sunshine days is June (26.2 days).
The month with the least sunshine days is February (17.6 days).

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Average UV index in May
Cortez, CO

Average UV index in May - Cortez, CO
  • Average UV index in May: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in May
Cortez, CO

Average cloud cover in May - Cortez, CO
  • Average cloud cover in May: 15

The months with the most cloud cover are January and December (Cloud cover 27).
The month with the least cloud cover is June (Cloud cover 9).

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Average visibility in May
Cortez, CO

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

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

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