May weather forecast
Powell, WY

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Weather in May

The final touches of spring in May set the perfect prelude to the incumbent summer season in Powell, Wyoming. Notably, May is marked by its high of 1.5" (38mm) of rainfall. The transition into June ushers in warmer weather and longer days, stimulating more outdoor ventures. Looking back at April, May confirms itself as a stepping stone towards the heat-laden summer ahead, with sunnier days and diminished showers. This month serves as the ideal window for gardening as well as engaging in fun-filled family picnics.

Temperature

May in Powell, Wyoming, sees a temperature increase, moving from a cool 52.3°F (11.3°C) in April to a comfortable 62.8°F (17.1°C). Throughout May, the average low-temperature records at a frosty 44.2°F (6.8°C).

Humidity

In Powell, the average relative humidity in May is 51%.

Rainfall

May is the month with the most rainfall. Rain falls for 15.4 days and accumulates 1.5" (38mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall in Powell. In Powell, Wyoming, in May, snow falls for 1.5 days, with typically accumulated 1.5" (38mm) of snow. In Powell, during the entire year, snow falls for 52.1 days and aggregates up to 16.97" (431mm) of snow.

Daylight

In May, the average length of the day in Powell, Wyoming, is 14h and 51min.
On the first day of May, sunrise is at 6:03 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:53 pm MDT.

Sunshine

In May, the average sunshine is 11.1h.

UV index

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 5 during May translates into the following directions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Powell in May?

The average high-temperature, in May, in Powell, is 62.8°F (17.1°C), while the average low-temperature is 44.2°F (6.8°C).

What is the average humidity in May in Powell?

The average relative humidity in May is 51%.

What is the wettest month in Powell?

May is the month with the most rainfall. Rain falls for 15.4 days and accumulates 1.5" (38mm) of precipitation.

How many days does it rain in May in Powell?

In Powell, in May, it is raining for 15.4 days, with typically 1.5" (38mm) of accumulated precipitation.

How much does it snow in Powell in May?

In Powell, in May, during 1.5 snowfall days, 1.5" (38mm) of snow is typically accumulated.

How many hours of daylight does Powell have in May?

The average day length in May is 14h and 51min.

What time are sunrise and sunset in May in Powell?

In May, on the first day of the month, sunrise is at 6:03 am and sunset at 8:20 pm. On the last day of the month, in Powell, sunrise is at 5:32 am and sunset at 8:53 pm MDT.

How long on average sun shines in May in Powell?

In May, the average sunshine duration in Powell, Wyoming, is 11.1h.

What is the UV index intensity in May in Powell?

In Powell, Wyoming, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium hazard to health 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
Powell, WY

Average temperature in May - Powell, WY
  • Average high temperature in May: 62.8°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is December (29.7°F).

  • Average low temperature in May: 44.2°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is December (15.6°F).

Average pressure in May
Powell, WY

Average pressure in May - Powell, WY
  • Average pressure in May: 29.93"Hg

The months with the highest atmospheric pressure are January and December (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in May
Powell, WY

Average wind speed in May - Powell, WY
  • Average wind speed in May: 7.7mph

The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity in May
Powell, WY

Average humidity in May - Powell, WY
  • Average humidity in May: 51%

The month with the highest relative humidity is January (76%).
The months with the lowest relative humidity are July and August (37%).

Average rainfall in May
Powell, WY

Average rainfall in May - Powell, WY
  • Average rainfall in May: 1.5"

The wettest month (with the highest rainfall) is May (1.5").
The driest month (with the least rainfall) is January (0.31").

Average rainfall days in May
Powell, WY

Average rainfall days in May - Powell, WY
  • Average rainfall days in May: 15.4 days

The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is December (4.9 days).

Average snowfall in May
Powell, WY

Average snowfall in May - Powell, WY
  • Average snowfall in May: 1.5"

The month with the highest snowfall is February (3.9").
The months with the least snowfall are July and August (0").

Average snowfall days in May
Powell, WY

Average snowfall days in May - Powell, WY
  • Average snowfall days in May: 1.5 days

The month with the highest number of snowfall days is February (11 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in May / Average sunshine in May - Powell, WY
  • Average daylight in May: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in May: 11h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 42min).

Average sunshine days in May
Powell, WY

Average sunshine days in May - Powell, WY
  • Average sunshine days in May: 11.3 days

The month with the most sunshine days is December (21.7 days).
The month with the least sunshine days is May (11.3 days).

Average UV index in May
Powell, WY

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

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

Average cloud cover in May
Powell, WY

Average cloud cover in May - Powell, WY
  • Average cloud cover in May: 27

The month with the most cloud cover is February (Cloud cover 32).
The month with the least cloud cover is July (Cloud cover 13).

Average visibility in May
Powell, WY

Average visibility in May - Powell, 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).

Powell, Wyoming, USA

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