May weather forecast and climate
Blue River, CO

Weather in May

May, the last month of the spring, in Blue River, is a chilly month, with average temperature fluctuating between 23.4°F (-4.8°C) and 45.5°F (7.5°C).

Temperature

In Blue River, Colorado, the average high-temperature increases, from a wintry 33.6°F (0.9°C) in April, to a chilly 45.5°F (7.5°C). In Blue River, the average low-temperature is 23.4°F (-4.8°C).

Humidity

In May, the average relative humidity is 71%.

Rainfall

In Blue River, during 12.3 rainfall days, 3.23" (82mm) of precipitation is typically accumulated. In Blue River, during the entire year, the rain falls for 110.4 days and collects up to 24.09" (612mm) of precipitation.

Snowfall

January through December are months with snowfall. The month with the most snowfall is May when snow falls for 19 days and typically aggregates up to 19.69" (500mm) of snow.

Daylight

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

Sunshine

In Blue River, Colorado, the average sunshine is 9.9h.

UV index

May through August, with an average maximum UV index of 3, are months with the highest UV index in Blue River. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to the UV radiation for ordinary individuals.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 temperature in May in Blue River?

In May, in Blue River, Colorado, the average high-temperature is 45.5°F (7.5°C), and the average low-temperature is 23.4°F (-4.8°C).

What is the average humidity in May in Blue River?

In Blue River, Colorado, the average relative humidity in May is 71%.

How much does it rain in Blue River in May?

In Blue River, Colorado, in May, it is raining for 12.3 days, with typically 3.23" (82mm) of accumulated precipitation.

How much does it snow in Blue River in May?

In Blue River, Colorado, in May, during 19 snowfall days, 19.69" (500mm) of snow is typically accumulated.

When does it snow the most in Blue River?

The month with the most snowfall is May when snow falls for 19 days and typically aggregates up to 19.69" (500mm) of snow.

How many hours of daylight does Blue River have in May?

The average length of the day in May is 14.4h.

How long on average sun shines in May in Blue River?

The average sunshine in May in Blue River is 9.9h.

What are the months with the highest UV index in Blue River?

Months with the highest UV index in Blue River, Colorado, are May through August, with an average maximum UV index of 3.

What is the UV index intensity in May in Blue River?

In May, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from the exposure to the Sun's UV radiation.

Average temperature in May
Blue River, CO

Average temperature in May - Blue River, CO
  • Average high temperature in May: 45.5°F

The warmest month (with the highest average high temperature) is July (65.8°F).
The month with the lowest average high temperature is December (21.2°F).

  • Average low temperature in May: 23.4°F

The month with the highest average low temperature is July (40.1°F).
The coldest months (with the lowest average low temperature) are January and December (0.7°F).

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Average pressure in May
Blue River, CO

Average pressure in May - Blue River, CO
  • Average pressure in May: 29.94"

The month with the highest atmospheric pressure is January (30.19").
Months with the lowest atmospheric pressure are April and May (29.94").

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Average wind speed in May
Blue River, CO

Average wind speed in May - Blue River, CO
  • Average wind speed in May: 6.1mph

The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in May
Blue River, CO

Average humidity in May - Blue River, CO
  • Average humidity in May: 71%

The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is June (54%).

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Average rainfall in May
Blue River, CO

Average rainfall in May - Blue River, CO
  • Average rainfall in May: 3.23"

The wettest month (with the highest rainfall) is July (3.35").
The driest month (with the least rainfall) is November (1.14").

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Average rainfall days in May
Blue River, CO

Average rainfall days in May - Blue River, CO
  • Average rainfall days in May: 12.3 days

The month with the highest number of rainy days is July (22.8 days).
The month with the least rainy days is November (2.8 days).

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Average snowfall in May
Blue River, CO

Average snowfall in May - Blue River, CO
  • Average snowfall in May: 19.69"

The month with the highest snowfall is May (19.69").
The month with the least snowfall is July (0.24").

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Average snowfall days in May
Blue River, CO

Average snowfall days in May - Blue River, CO
  • Average snowfall days in May: 19 days

The month with the highest number of snowfall days is April (22.8 days).
The month with the least snowfall days is July (1.3 days).

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Average daylight in May /
Average sunshine in May
Blue River, CO

Average daylight in May / Average sunshine in May - Blue River, 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: 9.9h

The month with the most sunshine is June (Average sunshine: 11.4h).
The month with the least sunshine is February (Average sunshine: 5.2h).

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Average sunshine days in May
Blue River, CO

Average sunshine days in May - Blue River, CO
  • Average sunshine days in May: 7.5 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is July (5.8 days).

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Average UV index in May
Blue River, CO

Average UV index in May - Blue River, CO
  • Average UV index in May: 3

Months with the highest UV index are May, June, July and August (UV index 3).
Months with the lowest UV index are February and December (UV index 1).

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Average cloud cover in May
Blue River, CO

Average cloud cover in May - Blue River, CO
  • Average cloud cover in May: 36

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 19).

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Average visibility in May
Blue River, CO

Average visibility in May - Blue River, CO
  • Average visibility in May: 5mi

Months with the highest visibility are June, July, August, September and October (6mi).
Months with the lowest visibility are January, February, March, April and December (4mi).

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