April weather forecast
South Park, WY

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Weather in April

April in South Park, Wyoming, is a cold spring month, with an average temperature ranging between max 37.8°F (3.2°C) and min 20.3°F (-6.5°C).

Temperature

April comes with a subtle rise, with the average high-temperature adjusting from a freezing cold 30.6°F (-0.8°C) in March to a cold 37.8°F (3.2°C). During April, South Park records a consistent average nighttime temperature of 20.3°F (-6.5°C).

Humidity

In April, the average relative humidity is 87%.

Rainfall

In South Park, during April, the rain falls for 9.1 days and regularly aggregates up to 2.95" (75mm) 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 April, snow falls for 23.5 days, with typically accumulated 21.22" (539mm) of snow. In South Park, during the entire year, snow falls for 173.6 days and aggregates up to 181.26" (4604mm) of snow.

Daylight

The average length of the day in April is 13h and 27min.
On the first day of April, sunrise is at 7:03 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 8:24 pm MDT.

Sunshine

The average sunshine in April is 7.1h.

UV index

January through April, October through December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In April, the average maximum UV index of 1 translates into the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Opt for tightly woven and loose clothing to enhance protection from the Sun. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is April?

During April, South Park experiences an average high-temperature of 37.8°F (3.2°C) and a low-temperature of 20.3°F (-6.5°C).

What is the average humidity in April?

In South Park, Wyoming, the average relative humidity in April is 87%.

How many days does it rain in April?

In April, the rain falls for 9.1 days. Throughout April, 2.95" (75mm) of precipitation is accumulated.

How much does it snow in April?

In April, it is snowing for 23.5 days. Throughout April, 21.22" (539mm) of snow is accumulated.

What is the average length of the day in April?

In April, the average day length is 13h and 27min.

When are sunrise and sunset in April?

In April, on the first day of the month, sunrise is at 7:03 am and sunset at 7:50 pm. On the last day of the month, in South Park, Wyoming, sunrise is at 6:16 am and sunset at 8:24 pm MDT.

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

The average sunshine duration in April is 7.1h.

What are the months with the lowest UV index?

January through April, October through December, with an average maximum UV index of 1, are months with the lowest UV index.

What is the UV index intensity in April in South Park?

In South Park, the average daily maximum UV index in April is 1. A UV Index value of 2, and less, symbolizes a minimal 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 April
South Park, WY

Average temperature in April - South Park, WY
  • Average high temperature in April: 37.8°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 April: 20.3°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 April
South Park, WY

Average pressure in April - South Park, WY
  • Average pressure in April: 29.96"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 April
South Park, WY

Average wind speed in April - South Park, WY
  • Average wind speed in April: 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 April
South Park, WY

Average humidity in April - South Park, WY
  • Average humidity in April: 87%

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

Average rainfall in April
South Park, WY

Average rainfall in April - South Park, WY
  • Average rainfall in April: 2.95"

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 April
South Park, WY

Average rainfall days in April - South Park, WY
  • Average rainfall days in April: 9.1 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 April
South Park, WY

Average snowfall in April - South Park, WY
  • Average snowfall in April: 21.22"

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

Average snowfall days in April
South Park, WY

Average snowfall days in April - South Park, WY
  • Average snowfall days in April: 23.5 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 April /
Average sunshine in April
South Park, WY

Average daylight in April / Average sunshine in April - South Park, WY
  • Average daylight in April: 13h and 3min

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 April: 7h and 1min

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 April
South Park, WY

Average sunshine days in April - South Park, WY
  • Average sunshine days in April: 3.8 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 April
South Park, WY

Average UV index in April - South Park, WY
  • Average UV index in April: 1

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 April
South Park, WY

Average cloud cover in April - South Park, WY
  • Average cloud cover in April: 54

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 April
South Park, WY

Average visibility in April - South Park, WY
  • Average visibility in April: 4mi

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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