May weather forecast
South Park, WY

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Weather in May

The last month of the spring, May, is a fresh month in South Park, Wyoming, with temperature in the range of an average low of 28.8°F (-1.8°C) and an average high of 50.5°F (10.3°C).

Temperature

With the arrival of May, the average high-temperature transitions from a wintry 37.8°F (3.2°C) in April to a cool 50.5°F (10.3°C). A noteworthy temperature dip to a freezing cold 28.8°F (-1.8°C) is observed during the nights of May.

Humidity

In May, the average relative humidity is 75%.

Rainfall

In South Park, during May, the rain falls for 15.4 days and regularly aggregates up to 2.87" (73mm) of precipitation. Throughout the year, there are 103 rainfall days, and 29.84" (758mm) of precipitation is accumulated.

Snowfall

January through December are months with snowfall. In South Park, in May, during 15.7 snowfall days, 11.42" (290mm) of snow is typically accumulated. Throughout the year, there are 173.6 snowfall days, and 181.26" (4604mm) of snow is accumulated.

Daylight

In May, the average length of the day is 14h and 43min.
On the first day of May, sunrise is at 6:14 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:56 pm MDT.

Sunshine

In South Park, Wyoming, the average sunshine in May is 9.5h.

UV index

In South Park, Wyoming, the average daily maximum UV index in May is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: In May, the maximum UV index of 3 translates into these guidelines:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in May?

During May, South Park experiences an average high-temperature of 50.5°F (10.3°C) and a low-temperature of 28.8°F (-1.8°C).

What is the average humidity in May in South Park?

The average relative humidity in May in South Park is 75%.

How much does it rain in May?

In South Park, in May, it is raining for 15.4 days, with typically 2.87" (73mm) of accumulated precipitation.

How much does it snow in May?

In South Park, in May, snow falls for 15.7 days, with typically accumulated 11.42" (290mm) of snow.

How many hours of daylight does South Park have in May?

The average day length in May is 14h and 43min.

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:14 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:56 pm MDT.

How many hours of sunshine does South Park have in May?

The average sunshine duration in May is 9.5h.

How high is the UV index in May?

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

Average temperature in May - South Park, WY
  • Average high temperature in May: 50.5°F

The warmest month (with the highest average high temperature) is July (73.4°F).
The month with the lowest average high temperature is December (21.9°F).

  • Average low temperature in May: 28.8°F

The month with the highest average low temperature is July (43.5°F).
The coldest month (with the lowest average low temperature) is January (4.8°F).

Average pressure in May
South Park, WY

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

The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in May
South Park, WY

Average wind speed in May - South Park, WY
  • Average wind speed in May: 4.9mph

The windiest month (with the highest average wind speed) is June (5.7mph).
The calmest month (with the lowest average wind speed) is December (4.3mph).

Average humidity in May
South Park, WY

Average humidity in May - South Park, WY
  • Average humidity in May: 75%

The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is August (50%).

Average rainfall in May
South Park, WY

Average rainfall in May - South Park, WY
  • Average rainfall in May: 2.87"

The wettest month (with the highest rainfall) is February (3.54").
The driest month (with the least rainfall) is August (1.34").

Average rainfall days in May
South Park, WY

Average rainfall days in May - South Park, 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 January (2.9 days).

Average snowfall in May
South Park, WY

Average snowfall in May - South Park, WY
  • Average snowfall in May: 11.42"

The month with the highest snowfall is February (29.33").
The month with the least snowfall is August (0.12").

Average snowfall days in May
South Park, WY

Average snowfall days in May - South Park, WY
  • Average snowfall days in May: 15.7 days

The month with the highest number of snowfall days is March (24.8 days).
The month with the least snowfall days is July (0.4 days).

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

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

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in May: 9h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).

Average sunshine days in May
South Park, WY

Average sunshine days in May - South Park, WY
  • Average sunshine days in May: 5.9 days

The month with the most sunshine days is July (15.6 days).
The month with the least sunshine days is April (3.8 days).

Average UV index in May
South Park, WY

Average UV index in May - South Park, WY
  • Average UV index in May: 3

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 1).

Average cloud cover in May
South Park, WY

Average cloud cover in May - South Park, WY
  • Average cloud cover in May: 38

The month with the most cloud cover is February (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 16).

Average visibility in May
South Park, WY

Average visibility in May - South Park, WY
  • Average visibility in May: 5mi

The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January, February, March and December (3mi).

South Park, Wyoming, USA

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