May weather forecast
Glenrock, WY

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Weather in May

As spring matures in May, Glenrock, Wyoming, experiences a boost in temperatures and a significant drop in humidity from 62% to 57%. The days grow longer, and the city receives the most rainfall of the year at 1.85" (47mm), adding vitality to the thriving greenery. Pride of the spring season, blooming flowers add colors to the landscape, creating a vibrant contrast against the clear blue skies. In essence, May offers a mesmerizing blend of comfortable temperatures, accented by the aroma of fresh blooms, a testament to its reputation as the peak of spring.

Temperature

The start of May is characterized by an increase in the average high-temperature, transitioning from a cool 50.7°F (10.4°C) in April to a comfortable 61.3°F (16.3°C). Glenrock observes an average low-temperature of 41.2°F (5.1°C) during May nights.

Humidity

In May, the average relative humidity in Glenrock is 57%.

Rainfall

The month with the most rainfall is May, when the rain falls for 14.8 days and typically aggregates up to 1.85" (47mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall in Glenrock. May is the last month it regularly snows. During 2.4 snowfall days, in May, Glenrock aggregates 2.28" (58mm) of snow. In Glenrock, during the entire year, snow falls for 65.9 days and aggregates up to 33.03" (839mm) of snow.

Daylight

In May, the average length of the day is 14h and 40min.
On the first day of the month, sunrise is at 5:56 am and sunset at 8:04 pm. On the last day of May, sunrise is at 5:27 am and sunset at 8:35 pm MDT.

Sunshine

The average sunshine in May in Glenrock is 10.6h.

UV index

The average daily maximum UV index in May in Glenrock is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index, 5 during May, leads to the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
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Frequently asked questions

What is the usual temperature for Glenrock in May?

Glenrock in May has an average high-temperature of 61.3°F (16.3°C) and an average low-temperature of 41.2°F (5.1°C).

What is the average humidity in May in Glenrock?

The average relative humidity in May is 57%.

What is the wettest month in Glenrock?

The month with the most rainfall is May, when the rain falls for 14.8 days and typically aggregates up to 1.85" (47mm) of precipitation.

How many days does it rain in May in Glenrock?

In Glenrock, during May, the rain falls for 14.8 days and regularly aggregates up to 1.85" (47mm) of precipitation.

What is the last month it snows in Glenrock?

May is the last month it regularly snows in Glenrock. During 2.4 snowfall days, in May, Glenrock aggregates 2.28" (58mm) of snow.

How many hours of daylight does Glenrock have in May?

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

When are sunrise and sunset in May in Glenrock?

On the first day of May in Glenrock, Wyoming, sunrise is at 5:56 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 5:27 am and sunset at 8:35 pm MDT.

How long on average sun shines in May in Glenrock?

In Glenrock, Wyoming, the average sunshine duration in May is 10.6h.

What is the UV index intensity in May in Glenrock?

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health risk 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
Glenrock, WY

Average temperature in May - Glenrock, WY
  • Average high temperature in May: 61.3°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is December (29.3°F).

  • Average low temperature in May: 41.2°F

The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is December (16.2°F).

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Average pressure in May
Glenrock, WY

Average pressure in May - Glenrock, WY
  • Average pressure in May: 29.89"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in May
Glenrock, WY

Average wind speed in May - Glenrock, WY
  • Average wind speed in May: 10.2mph

The windiest month (with the highest average wind speed) is January (13mph).
The calmest months (with the lowest average wind speed) are July and August (8.8mph).

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Average humidity in May
Glenrock, WY

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

The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (39%).

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Average rainfall in May
Glenrock, WY

Average rainfall in May - Glenrock, WY
  • Average rainfall in May: 1.85"

The wettest month (with the highest rainfall) is May (1.85").
The driest month (with the least rainfall) is January (0.59").

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Average rainfall days in May
Glenrock, WY

Average rainfall days in May - Glenrock, WY
  • Average rainfall days in May: 14.8 days

The month with the highest number of rainy days is May (14.8 days).
The months with the least rainy days are January and December (4.9 days).

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Average snowfall in May
Glenrock, WY

Average snowfall in May - Glenrock, WY
  • Average snowfall in May: 2.28"

The month with the highest snowfall is November (4.84").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in May
Glenrock, WY

Average snowfall days in May - Glenrock, WY
  • Average snowfall days in May: 2.4 days

The month with the highest number of snowfall days is February (11.9 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
Glenrock, WY

Average daylight in May / Average sunshine in May - Glenrock, 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: 10h and 4min

The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 0min).

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Average sunshine days in May
Glenrock, WY

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

The month with the most sunshine days is November (18.9 days).
The months with the least sunshine days are April and May (11.3 days).

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Average UV index in May
Glenrock, WY

Average UV index in May - Glenrock, 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, April, October, November and December (UV index 2).

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Average cloud cover in May
Glenrock, WY

Average cloud cover in May - Glenrock, WY
  • Average cloud cover in May: 30

The month with the most cloud cover is February (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 13).

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Average visibility in May
Glenrock, WY

Average visibility in May - Glenrock, 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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Glenrock, Wyoming, USA

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