May weather forecast
Cheyenne, WY

englishespañol中文
Share
A sunny day in front of the State Capitol building in Cheyenne, Wyoming
A sunny day in front of the State Capitol building in Cheyenne, Wyoming

Weather in May

May sees the weather transition significantly, bringing warmth and higher humidity index which translates into more colorful sceneries. This marked change in climate indicates that the colder days have passed. Sunlight persists for longer, contributing to the blooming flora eagerly basking under it. Despite a downward rainfall trend compared to April, residents experience an average of 2.95" of rainfall. The city is ablaze with the pastel tones of spring, fostering brisk mornings and comfortable afternoons.

Temperature

A minor escalation in the average high-temperature is seen with the onset of May, moving from a fresh 53.8°F in April to an enjoyable 62.4°F. Throughout the month of May, the average temperature dips to an icy 42.3°F at night.

Humidity

The average relative humidity in May is 57%.

Rainfall

May is the month with the most rainfall in Cheyenne. Rain falls for 17.5 days and accumulates 2.95" of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows in Cheyenne. During 3.2 snowfall days, in May, Cheyenne aggregates 3.43" of snow. Throughout the year, there are 62 snowfall days, and 30.51" of snow is accumulated.

Daylight

In May, the average length of the day in Cheyenne, Wyoming, is 14h and 31min.
On the first day of the month, sunrise is at 5:56 am and sunset at 7:56 pm. On the last day of May, sunrise is at 5:29 am and sunset at 8:24 pm MDT.

Sunshine

In Cheyenne, the average sunshine in May is 10.4h.

UV index

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 5 in May interprets into the following advice:
Take necessary precautions - Suggestions to elude sunburn are provided. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
[Resources]

FAQ

What is the temperature in May in Cheyenne?

In Cheyenne, in May, the average high-temperature is 62.4°F, and the average low-temperature is 42.3°F.

What is the average humidity in May in Cheyenne?

The average relative humidity in May is 57%.

What is the rainiest month in Cheyenne?

May is the month with the most rainfall. Rain falls for 17.5 days and accumulates 2.95" of precipitation.

How many days does it rain in May in Cheyenne?

In Cheyenne, during May, the rain falls for 17.5 days and regularly aggregates up to 2.95" of precipitation.

What is the last month it snows in Cheyenne?

May is the last month it regularly snows. During 3.2 snowfall days, in May, Cheyenne aggregates 3.43" of snow.

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

In Cheyenne, Wyoming, the average day length in May is 14h and 31min.

What time are sunrise and sunset in May in Cheyenne?

In May, on the first day of the month, sunrise is at 5:56 am and sunset at 7:56 pm. On the last day of the month, in Cheyenne, sunrise is at 5:29 am and sunset at 8:24 pm MDT.

How long on average sun shines in May in Cheyenne?

In Cheyenne, Wyoming, the average sunshine duration in May is 10.4h.

What is the UV index reading in May in Cheyenne?

The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Cheyenne, WY

Average temperature in May - Cheyenne, WY
  • Average high temperature in May: 62.4°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is December (34.7°F).

  • Average low temperature in May: 42.3°F

The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is December (20.3°F).

[Resources]

Average pressure in May
Cheyenne, WY

Average pressure in May - Cheyenne, WY
  • Average pressure in May: 29.9"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

[Resources]

Average wind speed in May
Cheyenne, WY

Average wind speed in May - Cheyenne, WY
  • Average wind speed in May: 10.4mph

The windiest month (with the highest average wind speed) is January (14.2mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).

[Resources]

Average humidity in May
Cheyenne, WY

Average humidity in May - Cheyenne, WY
  • Average humidity in May: 57%

The month with the highest relative humidity is February (64%).
The month with the lowest relative humidity is August (43%).

[Resources]

Average rainfall in May
Cheyenne, WY

Average rainfall in May - Cheyenne, WY
  • Average rainfall in May: 2.95"

The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is January (0.43").

[Resources]

Average rainfall days in May
Cheyenne, WY

Average rainfall days in May - Cheyenne, WY
  • Average rainfall days in May: 17.5 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (4.7 days).

[Resources]

Average snowfall in May
Cheyenne, WY

Average snowfall in May - Cheyenne, WY
  • Average snowfall in May: 3.43"

The month with the highest snowfall is March (6.06").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in May
Cheyenne, WY

Average snowfall days in May - Cheyenne, WY
  • Average snowfall days in May: 3.2 days

The month with the highest number of snowfall days is February (11.3 days).
The months with the least snowfall days are June, July and August (0 days).

[Resources]

Average daylight in May /
Average sunshine in May
Cheyenne, WY

Average daylight in May / Average sunshine in May - Cheyenne, WY
  • Average daylight in May: 14h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in May: 10h and 2min

The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The month with the least sunshine is February (Average sunshine: 6h and 30min).

[Resources]

Average sunshine days in May
Cheyenne, WY

Average sunshine days in May - Cheyenne, WY
  • Average sunshine days in May: 9.9 days

The month with the most sunshine days is January (20.7 days).
The month with the least sunshine days is April (9.3 days).

[Resources]

Average UV index in May
Cheyenne, WY

Average UV index in May - Cheyenne, WY
  • Average UV index in May: 5

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

[Resources]

Average cloud cover in May
Cheyenne, WY

Average cloud cover in May - Cheyenne, WY
  • Average cloud cover in May: 32

The months with the most cloud cover are April and May (Cloud cover 32).
The month with the least cloud cover is September (Cloud cover 18).

[Resources]

Average visibility in May
Cheyenne, WY

Average visibility in May - Cheyenne, WY
  • 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).

[Resources]

Cheyenne, Wyoming, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location