May weather forecast
Arriba, CO

Weather in May

The last month of the spring, May, is an enjoyable month in Arriba, Colorado, with average temperature fluctuating between 67.8°F (19.9°C) and 46.6°F (8.1°C).

Temperature

In May, the average high-temperature marginally rises, from a mild 59.5°F (15.3°C) in April, to a comfortable 67.8°F (19.9°C). The average low-temperature, in May, is 46.6°F (8.1°C).

Humidity

In May, the average relative humidity in Arriba is 53%.

Rainfall

May is the month with the most rainfall in Arriba. Rain falls for 11.3 days and accumulates 1.77" (45mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 0.8 snowfall days, in May, Arriba aggregates 0.59" (15mm) of snow. Throughout the year, in Arriba, there are 26.7 snowfall days, and 9.02" (229mm) of snow is accumulated.

Daylight

In Arriba, Colorado, the average length of the day in May is 14.4h.

Sunshine

In May, the average sunshine in Arriba is 11h.

UV index

The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV radiation for the average person.
Note: In May, the average maximum UV index of 5 translate into the following recommendations:
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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. 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 average humidity in May in Arriba?

The average relative humidity in May in Arriba, Colorado, is 53%.

What is the rainiest month in Arriba?

The month with the most rainfall in Arriba, Colorado, is May when the rain falls for 11.3 days and typically aggregates up to 1.77" (45mm) of precipitation.

How many days does it rain in May in Arriba?

In Arriba, Colorado, in May, it is raining for 11.3 days, with typically 1.77" (45mm) of accumulated precipitation.

What is the last month it snows in Arriba?

May is the last month it regularly snows in Arriba. During 0.8 snowfall days, in May, Arriba aggregates 0.59" (15mm) of snow.

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

In Arriba, the average length of the day in May is 14.4h.

How long on average sun shines in May in Arriba?

In Arriba, the average sunshine in May is 11h.

What is the UV index reading in May in Arriba?

In May, the average daily maximum UV index in Arriba, Colorado, is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in May
Arriba, CO

Average temperature in May - Arriba, CO
  • Average high temperature in May: 67.8°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is December (39°F).

  • Average low temperature in May: 46.6°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is December (22.3°F).

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Average pressure in May
Arriba, CO

Average pressure in May - Arriba, CO
  • Average pressure in May: 29.88"

Months with the highest atmospheric pressure are January and December (30.09").
The month with the lowest atmospheric pressure is June (29.84").

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Average wind speed in May
Arriba, CO

Average wind speed in May - Arriba, CO
  • Average wind speed in May: 11.2mph

The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (9.3mph).

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Average humidity in May
Arriba, CO

Average humidity in May - Arriba, CO
  • Average humidity in May: 53%

The month with the highest relative humidity is February (63%).
Months with the lowest relative humidity are June and September (46%).

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Average rainfall in May
Arriba, CO

Average rainfall in May - Arriba, CO
  • Average rainfall in May: 1.77"

The wettest month (with the highest rainfall) is May (1.77").
The driest month (with the least rainfall) is December (0.2").

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Average rainfall days in May
Arriba, CO

Average rainfall days in May - Arriba, CO
  • Average rainfall days in May: 11.3 days

The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is November (1.7 days).

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Average snowfall in May
Arriba, CO

Average snowfall in May - Arriba, CO
  • Average snowfall in May: 0.59"

The month with the highest snowfall is February (1.93").
Months with the least snowfall are June, July and August (0").

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Average snowfall days in May
Arriba, CO

Average snowfall days in May - Arriba, CO
  • Average snowfall days in May: 0.8 days

The month with the highest number of snowfall days is February (6.1 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
Arriba, CO

Average daylight in May / Average sunshine in May - Arriba, CO
  • Average daylight in May: 14.4h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in May: 11h

Months with the most sunshine are June, July and August (Average sunshine: 11.8h).
The month with the least sunshine is February (Average sunshine: 6.6h).

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Average sunshine days in May
Arriba, CO

Average sunshine days in May - Arriba, CO
  • Average sunshine days in May: 16 days

The month with the most sunshine days is December (24.9 days).
The month with the least sunshine days is July (13.4 days).

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Average UV index in May
Arriba, CO

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

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

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Average cloud cover in May
Arriba, CO

Average cloud cover in May - Arriba, CO
  • Average cloud cover in May: 26

Months with the most cloud cover are February and April (Cloud cover 27).
Months with the least cloud cover are June and September (Cloud cover 16).

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Average visibility in May
Arriba, CO

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

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

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