May weather forecast and climate
Alamosa, CO

A vast field near the iconic dune field in Alamosa, Colorado, with a back view of the vast brown sandy dune hotbed and distant mountain ranges
A vast field near the iconic dune field in Alamosa, Colorado, with a back view of the vast brown sandy dune hotbed and distant mountain ranges

Weather in May

The last month of the spring, May, is an enjoyable month in Alamosa, Colorado, with temperature in the range of an average high of 64.9°F (18.3°C) and an average low of 38.7°F (3.7°C).

Temperature

In Alamosa, the average high-temperature in May rises, from a cool 54.1°F (12.3°C) in April, to a comfortable 64.9°F (18.3°C). In Alamosa, in May, the average low-temperature is 38.7°F (3.7°C).

Humidity

In Alamosa, the average relative humidity is 41%.

Rainfall

In Alamosa, during May, the rain falls for 9 days and regularly aggregates up to 0.91" (23mm) of precipitation. Throughout the year, there are 77.3 rainfall days, and 7.24" (184mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows in Alamosa. During 1.3 snowfall days, Alamosa aggregates 1.54" (39mm) of snow. In Alamosa, Colorado, during the entire year, snow falls for 37 days, and aggregates up to 20.08" (510mm) of snow.

Daylight

In May, the average length of the day is 14.2h.

Sunshine

In Alamosa, the average sunshine is 11.7h.

UV index

In May, the average daily maximum UV index in Alamosa, Colorado, is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from the exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. 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 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in May in Alamosa?

In Alamosa, in May, the average high-temperature is 64.9°F (18.3°C), and the average low-temperature is 38.7°F (3.7°C).

What is the average humidity in May in Alamosa?

In Alamosa, Colorado, the average relative humidity in May is 41%.

How much does it rain in Alamosa in May?

In May, in Alamosa, the rain falls for 9 days. Throughout May, 0.91" (23mm) of precipitation is accumulated.

What is the last month it snows in Alamosa?

May is the last month it regularly snows. During 1.3 snowfall days, in May, Alamosa aggregates 1.54" (39mm) of snow.

How many hours of daylight does Alamosa have in May?

In May, the average length of the day in Alamosa, Colorado, is 14.2h.

How long on average sun shines in May in Alamosa?

In May, the average sunshine in Alamosa is 11.7h.

How high is the UV index in May in Alamosa?

In Alamosa, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to the UV radiation.

Average temperature in May
Alamosa, CO

Average temperature in May - Alamosa, CO
  • Average high temperature in May: 64.9°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in May: 38.7°F

The month with the highest average low temperature is July (50.5°F).
The coldest month (with the lowest average low temperature) is January (11.8°F).

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Average pressure in May
Alamosa, CO

Average pressure in May - Alamosa, CO
  • Average pressure in May: 29.93"

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is April (29.91").

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Average wind speed in May
Alamosa, CO

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

The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average humidity in May
Alamosa, CO

Average humidity in May - Alamosa, CO
  • Average humidity in May: 41%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is June (37%).

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Average rainfall in May
Alamosa, CO

Average rainfall in May - Alamosa, CO
  • Average rainfall in May: 0.91"

The wettest month (with the highest rainfall) is July (1.18").
The driest months (with the least rainfall) are November and December (0.31").

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Average rainfall days in May
Alamosa, CO

Average rainfall days in May - Alamosa, CO
  • Average rainfall days in May: 9 days

The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is November (2.1 days).

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Average snowfall in May
Alamosa, CO

Average snowfall in May - Alamosa, CO
  • Average snowfall in May: 1.54"

Months with the highest snowfall are January and March (3.5").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Alamosa, CO

Average snowfall days in May - Alamosa, CO
  • Average snowfall days in May: 1.3 days

The month with the highest number of snowfall days is February (7.2 days).
Months with the least snowfall days are June, July and August (0 days).

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

Average daylight in May / Average sunshine in May - Alamosa, CO
  • Average daylight in May: 14.2h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in May: 11.7h

The month with the most sunshine is June (Average sunshine: 12h).
The month with the least sunshine is January (Average sunshine: 6.8h).

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Average sunshine days in May
Alamosa, CO

Average sunshine days in May - Alamosa, CO
  • Average sunshine days in May: 19.8 days

The month with the most sunshine days is November (25.8 days).
The month with the least sunshine days is July (13.3 days).

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Average UV index in May
Alamosa, CO

Average UV index in May - Alamosa, CO
  • Average UV index in May: 4

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

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Average cloud cover in May
Alamosa, CO

Average cloud cover in May - Alamosa, CO
  • Average cloud cover in May: 16

Months with the most cloud cover are January and February (Cloud cover 25).
Months with the least cloud cover are June, September and October (Cloud cover 12).

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Average visibility in May
Alamosa, CO

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

Months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January and February (5mi).

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