May weather forecast
Arapahoe, WY

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Weather in May

The last month of the spring, May, is a refreshing month in Arapahoe, Wyoming, with an average temperature ranging between min 44.1°F (6.7°C) and max 64.8°F (18.2°C).

Temperature

Arapahoe's weather in May presents a rise in the average high-temperature, moving from a cool 54.1°F (12.3°C) in April to a comfortable 64.8°F (18.2°C). Throughout May nights, Arapahoe registers an average low-temperature of 44.1°F (6.7°C).

Humidity

In May, the average relative humidity is 47%.

Rainfall

The month with the most rainfall in Arapahoe is May, when the rain falls for 9.9 days and typically aggregates up to 1.42" (36mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. May is the last month it regularly snows. During 2.3 snowfall days, in May, Arapahoe aggregates 3.39" (86mm) of snow. Throughout the year, there are 42.7 snowfall days, and 24.92" (633mm) of snow is accumulated.

Daylight

The average length of the day in May is 14h and 40min.
On the first day of May, sunrise is at 6:06 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:45 pm MDT.

Sunshine

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

UV index

In Arapahoe, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 5 during May translates into the following guidance:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Updated: Jul 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures?

May temperatures vary between a high-temperature of 64.8°F (18.2°C) and a low-temperature of 44.1°F (6.7°C).

What is the average humidity in May?

In May, the average relative humidity is 47%.

What is the rainiest month?

The month with the most rainfall is May, when the rain falls for 9.9 days and typically aggregates up to 1.42" (36mm) of precipitation.

How many days does it rain in May?

In Arapahoe, Wyoming, in May, during 9.9 rainfall days, 1.42" (36mm) of precipitation is typically accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 2.3 snowfall days, in May, Arapahoe aggregates 3.39" (86mm) of snow.

How many hours of daylight does Arapahoe have in May?

The average day length in May is 14h and 40min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:06 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:45 pm MDT.

How many hours of sunshine does Arapahoe have in May?

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

What is the UV index reading in May?

The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Arapahoe, WY

Average temperature in May - Arapahoe, WY
  • Average high temperature in May: 64.8°F

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is December (30.9°F).

  • Average low temperature in May: 44.1°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).

Average pressure in May
Arapahoe, WY

Average pressure in May - Arapahoe, WY
  • Average pressure in May: 29.91"Hg

The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in May
Arapahoe, WY

Average wind speed in May - Arapahoe, WY
  • Average wind speed in May: 6.9mph

The windiest month (with the highest average wind speed) is June (7.5mph).
The calmest month (with the lowest average wind speed) is January (5.5mph).

Average humidity in May
Arapahoe, WY

Average humidity in May - Arapahoe, WY
  • Average humidity in May: 47%

The month with the highest relative humidity is January (77%).
The months with the lowest relative humidity are July and August (31%).

Average rainfall in May
Arapahoe, WY

Average rainfall in May - Arapahoe, WY
  • Average rainfall in May: 1.42"

The wettest month (with the highest rainfall) is May (1.42").
The driest month (with the least rainfall) is January (0.24").

Average rainfall days in May
Arapahoe, WY

Average rainfall days in May - Arapahoe, WY
  • Average rainfall days in May: 9.9 days

The month with the highest number of rainy days is May (9.9 days).
The month with the least rainy days is January (2.5 days).

Average snowfall in May
Arapahoe, WY

Average snowfall in May - Arapahoe, WY
  • Average snowfall in May: 3.39"

The month with the highest snowfall is April (5.39").
The months with the least snowfall are June, July and August (0").

Average snowfall days in May
Arapahoe, WY

Average snowfall days in May - Arapahoe, WY
  • Average snowfall days in May: 2.3 days

The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in May / Average sunshine in May - Arapahoe, WY
  • Average daylight in May: 14h and 4min

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

  • Average sunshine in May: 11h and 0min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 36min).

Average sunshine days in May
Arapahoe, WY

Average sunshine days in May - Arapahoe, WY
  • Average sunshine days in May: 17 days

The month with the most sunshine days is January (24.5 days).
The month with the least sunshine days is April (15.5 days).

Average UV index in May
Arapahoe, WY

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

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in May
Arapahoe, WY

Average cloud cover in May - Arapahoe, WY
  • Average cloud cover in May: 25

The months with the most cloud cover are February and April (Cloud cover 28).
The months with the least cloud cover are July and August (Cloud cover 12).

Average visibility in May
Arapahoe, WY

Average visibility in May - Arapahoe, 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).

Arapahoe, Wyoming, USA

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