May weather forecast
Barr Lake, CO

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Weather in May

May, the last month of the spring in Barr Lake, is a pleasant month, with an average temperature varying between 69.4°F (20.8°C) and 44.4°F (6.9°C).

Temperature

The commencement of May sees a minor shift in the average high-temperature, moving from an enjoyable 61.3°F (16.3°C) in April to a pleasant 69.4°F (20.8°C). A noticeable downturn in temperature characterizes the May nights, averaging at a frosty 44.4°F (6.9°C).

Humidity

In Barr Lake, the average relative humidity in May is 52%.

Rainfall

The month with the most rainfall in Barr Lake is May, when the rain falls for 10.8 days and typically aggregates up to 0.98" (25mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows in Barr Lake, Colorado. During 1 snowfall days, in May, Barr Lake aggregates 1.26" (32mm) of snow. Throughout the year, there are 30.9 snowfall days, and 11.42" (290mm) of snow is accumulated.

Daylight

The average length of the day in May is 14h and 24min.
On the first day of the month, sunrise is at 5:58 am and sunset at 7:54 pm. On the last day of May, sunrise is at 5:32 am and sunset at 8:21 pm MDT.

Sunshine

In May, the average sunshine is 11h.

UV index

In Barr Lake, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: In May, the average maximum UV index of 5 translates into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Updated: Jan 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Barr Lake in May?

During May, Barr Lake experiences an average high-temperature of 69.4°F (20.8°C) and a low-temperature of 44.4°F (6.9°C).

What is the average humidity in May in Barr Lake?

In May, the average relative humidity in Barr Lake is 52%.

What is the rainiest month in Barr Lake?

May is the month with the most rainfall. Rain falls for 10.8 days and accumulates 0.98" (25mm) of precipitation.

How much does it rain in Barr Lake in May?

In Barr Lake, in May, during 10.8 rainfall days, 0.98" (25mm) of precipitation is typically accumulated.

What is the last month it snows in Barr Lake?

May is the last month it regularly snows in Barr Lake, Colorado. During 1 snowfall days, in May, Barr Lake aggregates 1.26" (32mm) of snow.

What is the average length of the day in May in Barr Lake?

In May, the average day length is 14h and 24min.

What time are sunrise and sunset in May in Barr Lake?

In May, on the first day of the month, sunrise is at 5:58 am and sunset at 7:54 pm. On the last day of the month, in Barr Lake, Colorado, sunrise is at 5:32 am and sunset at 8:21 pm MDT.

How many hours of sunshine does Barr Lake have in May?

In Barr Lake, the average sunshine duration in May is 11h.

What is the UV index reading in May in Barr Lake?

In Barr Lake, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe 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
Barr Lake, CO

Average temperature in May - Barr Lake, CO
  • Average high temperature in May: 69.4°F

The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is December (40.8°F).

  • Average low temperature in May: 44.4°F

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is December (21.2°F).

Average pressure in May
Barr Lake, CO

Average pressure in May - Barr Lake, CO
  • Average pressure in May: 29.91"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in May
Barr Lake, CO

Average wind speed in May - Barr Lake, CO
  • Average wind speed in May: 6.7mph

The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is December (6mph).

Average humidity in May
Barr Lake, CO

Average humidity in May - Barr Lake, CO
  • Average humidity in May: 52%

The months with the highest relative humidity are January and February (64%).
The month with the lowest relative humidity is August (40%).

Average rainfall in May
Barr Lake, CO

Average rainfall in May - Barr Lake, CO
  • Average rainfall in May: 0.98"

The wettest month (with the highest rainfall) is May (0.98").
The driest month (with the least rainfall) is December (0.12").

Average rainfall days in May
Barr Lake, CO

Average rainfall days in May - Barr Lake, CO
  • Average rainfall days in May: 10.8 days

The month with the highest number of rainy days is May (10.8 days).
The month with the least rainy days is December (2.6 days).

Average snowfall in May
Barr Lake, CO

Average snowfall in May - Barr Lake, CO
  • Average snowfall in May: 1.26"

The month with the highest snowfall is February (1.89").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Barr Lake, CO

Average snowfall days in May - Barr Lake, CO
  • Average snowfall days in May: 1 days

The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in May /
Average sunshine in May
Barr Lake, CO

Average daylight in May / Average sunshine in May - Barr Lake, CO
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in May: 11h and 0min

The months with the most sunshine are June and July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).

Average sunshine days in May
Barr Lake, CO

Average sunshine days in May - Barr Lake, CO
  • Average sunshine days in May: 16.4 days

The month with the most sunshine days is December (25.8 days).
The month with the least sunshine days is July (14.8 days).

Average UV index in May
Barr Lake, CO

Average UV index in May - Barr Lake, 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).

Average cloud cover in May
Barr Lake, CO

Average cloud cover in May - Barr Lake, CO
  • Average cloud cover in May: 26

The month with the most cloud cover is April (Cloud cover 28).
The months with the least cloud cover are June, August and September (Cloud cover 16).

Average visibility in May
Barr Lake, CO

Average visibility in May - Barr Lake, 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).

Barr Lake, Colorado, USA

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