May weather forecast
Black Forest, CO

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Weather in May

May, the last month of the spring in Black Forest, is a refreshing month, with temperature in the range of an average low of 40.3°F (4.6°C) and an average high of 61.5°F (16.4°C).

Temperature

May's arrival signals a modest temperature shift, moving from a fresh 53.2°F (11.8°C) in April to a comfortable 61.5°F (16.4°C). Black Forest in May experiences a low-temperature average of 40.3°F (4.6°C).

Humidity

The average relative humidity in May is 56%.

Rainfall

In Black Forest, in May, it is raining for 16.6 days, with typically 2.68" (68mm) of accumulated precipitation. Throughout the year, there are 117.8 rainfall days, and 17.44" (443mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 4.3 snowfall days, in May, Black Forest aggregates 3.43" (87mm) of snow. In Black Forest, during the entire year, snow falls for 63.1 days and aggregates up to 34.76" (883mm) of snow.

Daylight

In May, the average length of the day is 14h and 20min.
On the first day of the month, sunrise is at 5:59 am and sunset at 7:52 pm. On the last day of May, sunrise is at 5:34 am and sunset at 8:18 pm MDT.

Sunshine

In Black Forest, the average sunshine in May is 10.5h.

UV index

The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index, 4 in May, converts into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Updated: Jul 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Black Forest in May?

May temperatures vary between a high-temperature of 61.5°F (16.4°C) and a low-temperature of 40.3°F (4.6°C).

What is the average humidity in May?

The average relative humidity in May is 56%.

How much does it rain in May?

In Black Forest, in May, during 16.6 rainfall days, 2.68" (68mm) of precipitation is typically accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 4.3 snowfall days, in May, Black Forest aggregates 3.43" (87mm) of snow.

How many hours of daylight does Black Forest have in May?

In May, the average day length is 14h and 20min.

What time are sunrise and sunset in May?

On the first day of May, sunrise is at 5:59 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:18 pm MDT.

How long on average sun shines in May?

In Black Forest, the average sunshine duration in May is 10.5h.

What is the UV index intensity in May?

In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
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
Black Forest, CO

Average temperature in May - Black Forest, CO
  • Average high temperature in May: 61.5°F

The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is December (36.3°F).

  • Average low temperature in May: 40.3°F

The month with the highest average low temperature is July (55.8°F).
The coldest month (with the lowest average low temperature) is December (18.5°F).

Average pressure in May
Black Forest, CO

Average pressure in May - Black Forest, CO
  • Average pressure in May: 29.91"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is April (29.9"Hg).

Average wind speed in May
Black Forest, CO

Average wind speed in May - Black Forest, CO
  • Average wind speed in May: 9.1mph

The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (7.1mph).

Average humidity in May
Black Forest, CO

Average humidity in May - Black Forest, CO
  • Average humidity in May: 56%

The month with the highest relative humidity is February (67%).
The month with the lowest relative humidity is June (48%).

Average rainfall in May
Black Forest, CO

Average rainfall in May - Black Forest, CO
  • Average rainfall in May: 2.68"

The wettest month (with the highest rainfall) is July (3.15").
The driest month (with the least rainfall) is December (0.51").

Average rainfall days in May
Black Forest, CO

Average rainfall days in May - Black Forest, CO
  • Average rainfall days in May: 16.6 days

The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (2.7 days).

Average snowfall in May
Black Forest, CO

Average snowfall in May - Black Forest, CO
  • Average snowfall in May: 3.43"

The month with the highest snowfall is April (6.42").
The months with the least snowfall are June, July and August (0").

Average snowfall days in May
Black Forest, CO

Average snowfall days in May - Black Forest, CO
  • Average snowfall days in May: 4.3 days

The month with the highest number of snowfall days is February (11.6 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in May /
Average sunshine in May
Black Forest, CO

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in May: 10h and 3min

The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).

Average sunshine days in May
Black Forest, CO

Average sunshine days in May - Black Forest, CO
  • Average sunshine days in May: 9.6 days

The month with the most sunshine days is November (22 days).
The month with the least sunshine days is July (8.3 days).

Average UV index in May
Black Forest, CO

Average UV index in May - Black Forest, CO
  • Average UV index in May: 4

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

Average cloud cover in May
Black Forest, CO

Average cloud cover in May - Black Forest, CO
  • Average cloud cover in May: 30

The month with the most cloud cover is April (Cloud cover 31).
The months with the least cloud cover are June, October and November (Cloud cover 19).

Average visibility in May
Black Forest, CO

Average visibility in May - Black Forest, 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).

Black Forest, Colorado, USA

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