May weather forecast
South Greeley, WY

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Weather in May

May, the last month of the spring in South Greeley, is a refreshing month, with an average temperature fluctuating between 42.3°F (5.7°C) and 62.4°F (16.9°C).

Temperature

Observing a minor shift, the average high-temperature during May adjusts from April's cool 53.8°F (12.1°C) to a comfortable 62.4°F (16.9°C). May nights in South Greeley are marked by an average low-temperature of 42.3°F (5.7°C).

Humidity

The average relative humidity in May in South Greeley is 57%.

Rainfall

The month with the most rainfall is May, when the rain falls for 17.5 days and typically aggregates up to 2.95" (75mm) of precipitation.

Snowfall

Months with snowfall in South Greeley are January through May, October through December. May is the last month it regularly snows in South Greeley, Wyoming. During 3.2 snowfall days, in May, South Greeley aggregates 3.43" (87mm) of snow. In South Greeley, during the entire year, snow falls for 62 days and aggregates up to 30.51" (775mm) of snow.

Daylight

The average length of the day in May is 14h and 30min.
On the first day of the month, sunrise is at 5:55 am and sunset at 7:56 pm. On the last day of May, sunrise is at 5:29 am and sunset at 8:25 pm MDT.

Sunshine

In May, the average sunshine is 10.4h.

UV index

In South Greeley, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: In May, an average UV index of 5 transforms into the following instructions:
Undertake protective steps - Recommendations to avoid sunburn are issued. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
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Frequently asked questions

What is the temperature in May in South Greeley?

During May, South Greeley experiences an average high-temperature of 62.4°F (16.9°C) and a low-temperature of 42.3°F (5.7°C).

What is the average humidity in May in South Greeley?

The average relative humidity in May in South Greeley, Wyoming, is 57%.

What is the rainiest month in South Greeley?

The month with the most rainfall in South Greeley is May, when the rain falls for 17.5 days and typically aggregates up to 2.95" (75mm) of precipitation.

How much does it rain in South Greeley in May?

In South Greeley, Wyoming, during May, the rain falls for 17.5 days and regularly aggregates up to 2.95" (75mm) of precipitation.

What is the last month it snows in South Greeley?

May is the last month it regularly snows in South Greeley, Wyoming. During 3.2 snowfall days, in May, South Greeley aggregates 3.43" (87mm) of snow.

What is the average length of the day in May in South Greeley?

In South Greeley, the average day length in May is 14h and 30min.

When is the sunrise / sunset in May in South Greeley?

On the first day of May in South Greeley, Wyoming, sunrise is at 5:55 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 5:29 am and sunset at 8:25 pm MDT.

How long on average sun shines in May in South Greeley?

The average sunshine duration in May in South Greeley, Wyoming, is 10.4h.

What is the UV index reading in May in South Greeley?

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

Average temperature in May - South Greeley, 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).

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Average pressure in May
South Greeley, WY

Average pressure in May - South Greeley, 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).

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Average wind speed in May
South Greeley, WY

Average wind speed in May - South Greeley, 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).

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Average humidity in May
South Greeley, WY

Average humidity in May - South Greeley, 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%).

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Average rainfall in May
South Greeley, WY

Average rainfall in May - South Greeley, 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").

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Average rainfall days in May
South Greeley, WY

Average rainfall days in May - South Greeley, 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).

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Average snowfall in May
South Greeley, WY

Average snowfall in May - South Greeley, 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").

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Average snowfall days in May
South Greeley, WY

Average snowfall days in May - South Greeley, 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).

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Average daylight in May /
Average sunshine in May
South Greeley, WY

Average daylight in May / Average sunshine in May - South Greeley, 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).

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Average sunshine days in May
South Greeley, WY

Average sunshine days in May - South Greeley, 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).

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Average UV index in May
South Greeley, WY

Average UV index in May - South Greeley, 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).

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Average cloud cover in May
South Greeley, WY

Average cloud cover in May - South Greeley, 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).

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Average visibility in May
South Greeley, WY

Average visibility in May - South Greeley, 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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South Greeley, Wyoming, USA

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