May weather forecast
Cowley, WY

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Weather in May

May, the last month of the spring in Cowley, is an enjoyable month, with temperature in the range of an average low of 44.6°F (7°C) and an average high of 62.6°F (17°C).

Temperature

Cowley's weather in May presents a rise in the average high-temperature, moving from a cool 52.3°F (11.3°C) in April to a refreshing 62.6°F (17°C). In May, Cowley encounters an average low-temperature of 44.6°F (7°C) during the night.

Humidity

The average relative humidity in May is 51%.

Rainfall

The month with the most rainfall is May, when the rain falls for 16.9 days and typically aggregates up to 1.57" (40mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall in Cowley. May is the last month it regularly snows. During 0.7 snowfall days, in May, Cowley aggregates 0.71" (18mm) of snow. In Cowley, during the entire year, snow falls for 64 days and aggregates up to 19.92" (506mm) of snow.

Daylight

The average length of the day in May is 14h and 52min.
On the first day of the month, sunrise is at 6:02 am and sunset at 8:19 pm. On the last day of May, sunrise is at 5:30 am and sunset at 8:52 pm MDT.

Sunshine

In May, the average sunshine is 11.1h.

UV index

In Cowley, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 5 during May translates into the following guidance:
Make use of precautions - Shielding skin and eyes from injury is a requirement. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
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Frequently asked questions

What are May temperatures in Cowley?

In Cowley, in May, the average high-temperature is 62.6°F (17°C), and the average low-temperature is 44.6°F (7°C).

What is the average humidity in May in Cowley?

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

What is the rainiest month in Cowley?

May is the month with the most rainfall in Cowley. Rain falls for 16.9 days and accumulates 1.57" (40mm) of precipitation.

How many days does it rain in May in Cowley?

In Cowley, in May, it is raining for 16.9 days, with typically 1.57" (40mm) of accumulated precipitation.

What is the last month it snows in Cowley?

May is the last month it regularly snows in Cowley. During 0.7 snowfall days, in May, Cowley aggregates 0.71" (18mm) of snow.

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

In Cowley, the average day length in May is 14h and 52min.

When are sunrise and sunset in May in Cowley?

On the first day of May in Cowley, Wyoming, sunrise is at 6:02 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 5:30 am and sunset at 8:52 pm MDT.

How many hours of sunshine does Cowley have in May?

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

What is the UV index reading in May in Cowley?

In Cowley, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes 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
Cowley, WY

Average temperature in May - Cowley, WY
  • Average high temperature in May: 62.6°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is December (27.5°F).

  • Average low temperature in May: 44.6°F

The month with the highest average low temperature is July (61°F).
The coldest months (with the lowest average low temperature) are January and February (14.4°F).

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Average pressure in May
Cowley, WY

Average pressure in May - Cowley, WY
  • Average pressure in May: 29.92"Hg

The months with the highest atmospheric pressure are January and December (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in May
Cowley, WY

Average wind speed in May - Cowley, WY
  • Average wind speed in May: 7.8mph

The windiest month (with the highest average wind speed) is April (8.7mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

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Average humidity in May
Cowley, WY

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

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (37%).

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Average rainfall in May
Cowley, WY

Average rainfall in May - Cowley, WY
  • Average rainfall in May: 1.57"

The wettest month (with the highest rainfall) is May (1.57").
The driest month (with the least rainfall) is December (0.51").

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Average rainfall days in May
Cowley, WY

Average rainfall days in May - Cowley, WY
  • Average rainfall days in May: 16.9 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is November (8.3 days).

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Average snowfall in May
Cowley, WY

Average snowfall in May - Cowley, WY
  • Average snowfall in May: 0.71"

The month with the highest snowfall is February (4.88").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in May
Cowley, WY

Average snowfall days in May - Cowley, WY
  • Average snowfall days in May: 0.7 days

The month with the highest number of snowfall days is January (14.1 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in May / Average sunshine in May - Cowley, 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 0min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 24min).

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Average sunshine days in May
Cowley, WY

Average sunshine days in May - Cowley, WY
  • Average sunshine days in May: 10.2 days

The month with the most sunshine days is December (17.2 days).
The month with the least sunshine days is May (10.2 days).

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Average UV index in May
Cowley, WY

Average UV index in May - Cowley, 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).

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Average cloud cover in May
Cowley, WY

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

The month with the most cloud cover is February (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 12).

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Average visibility in May
Cowley, WY

Average visibility in May - Cowley, 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).

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Cowley, Wyoming, USA

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