April weather forecast
South Pass City, WY

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Weather in April

April in South Pass City, Wyoming, is a chilly spring month, with an average temperature ranging between max 47.8°F (8.8°C) and min 30°F (-1.1°C).

Temperature

The shift into April is accompanied by a modest temperature increase, with the average high-temperature edging up from an icy 39.7°F (4.3°C) in March to a chilly 47.8°F (8.8°C). South Pass City records an average low-temperature of 30°F (-1.1°C) throughout the month of April.

Humidity

In South Pass City, Wyoming, the average relative humidity in April is 62%.

Rainfall

The month with the most rainfall is April, when the rain falls for 11.5 days and typically aggregates up to 1.81" (46mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. The month with the most snowfall is April, when snow falls for 7.3 days and typically aggregates up to 8.15" (207mm) of snow.

Daylight

The average length of the day in April is 13h and 25min.
On the first day of April, sunrise is at 6:55 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 8:14 pm MDT.

Sunshine

In April, the average sunshine in South Pass City, Wyoming, is 10.5h.

UV index

The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum high daily UV index of 2 during April translates into the following directions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
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Frequently asked questions

What is the usual temperature for South Pass City in April?

The high-temperature, in April, in South Pass City, is 47.8°F (8.8°C), while the low-temperature averages to 30°F (-1.1°C).

What is the average humidity in April in South Pass City?

The average relative humidity in April in South Pass City, Wyoming, is 62%.

What is the wettest month in South Pass City?

April is the month with the most rainfall. Rain falls for 11.5 days and accumulates 1.81" (46mm) of precipitation.

How much does it rain in South Pass City in April?

In April, the rain falls for 11.5 days. Throughout April, 1.81" (46mm) of precipitation is accumulated.

When does it snow the most in South Pass City?

April is the month with the most snowfall. Snow falls for 7.3 days and accumulates 8.15" (207mm) of snow.

How many days does it snow in April in South Pass City?

In South Pass City, in April, during 7.3 snowfall days, 8.15" (207mm) of snow is typically accumulated.

How many hours of daylight does South Pass City have in April?

In South Pass City, Wyoming, the average day length in April is 13h and 25min.

What time are sunrise and sunset in April in South Pass City?

On the first day of April in South Pass City, sunrise is at 6:55 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 8:14 pm MDT.

How long on average sun shines in April in South Pass City?

The average sunshine duration in April in South Pass City is 10.5h.

What are the months with the lowest UV index in South Pass City?

January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index in South Pass City.

How high is the UV index in April in South Pass City?

The average daily maximum UV index in April is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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 April
South Pass City, WY

Average temperature in April - South Pass City, WY
  • Average high temperature in April: 47.8°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (28.4°F).

  • Average low temperature in April: 30°F

The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).

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Average pressure in April
South Pass City, WY

Average pressure in April - South Pass City, WY
  • Average pressure in April: 29.93"Hg

The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in April
South Pass City, WY

Average wind speed in April - South Pass City, WY
  • Average wind speed in April: 7.6mph

The windiest month (with the highest average wind speed) is March (7.7mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

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Average humidity in April
South Pass City, WY

Average humidity in April - South Pass City, WY
  • Average humidity in April: 62%

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is August (34%).

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Average rainfall in April
South Pass City, WY

Average rainfall in April - South Pass City, WY
  • Average rainfall in April: 1.81"

The wettest month (with the highest rainfall) is April (1.81").
The driest month (with the least rainfall) is January (0.43").

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Average rainfall days in April
South Pass City, WY

Average rainfall days in April - South Pass City, WY
  • Average rainfall days in April: 11.5 days

The month with the highest number of rainy days is May (12.8 days).
The month with the least rainy days is November (4.8 days).

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Average snowfall in April
South Pass City, WY

Average snowfall in April - South Pass City, WY
  • Average snowfall in April: 8.15"

The month with the highest snowfall is April (8.15").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in April
South Pass City, WY

Average snowfall days in April - South Pass City, WY
  • Average snowfall days in April: 7.3 days

The month with the highest number of snowfall days is February (10.1 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in April /
Average sunshine in April
South Pass City, WY

Average daylight in April / Average sunshine in April - South Pass City, WY
  • Average daylight in April: 13h and 2min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in April: 10h and 3min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).

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Average sunshine days in April
South Pass City, WY

Average sunshine days in April - South Pass City, WY
  • Average sunshine days in April: 12.3 days

The month with the most sunshine days is September (22 days).
The month with the least sunshine days is April (12.3 days).

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Average UV index in April
South Pass City, WY

Average UV index in April - South Pass City, WY
  • Average UV index in April: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

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Average cloud cover in April
South Pass City, WY

Average cloud cover in April - South Pass City, WY
  • Average cloud cover in April: 28

The months with the most cloud cover are February and April (Cloud cover 28).
The months with the least cloud cover are July and August (Cloud cover 12).

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Average visibility in April
South Pass City, WY

Average visibility in April - South Pass City, WY
  • Average visibility in April: 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 Pass City, Wyoming, USA

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