April weather forecast
Sundance, WY

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Weather in April

April in Sundance signifies an evident transformation into spring, the weather trends steadily warming. The cold nights of the previous month give way to warmer nights with an average minimum temperature of 29.5°F (-1.4°C). As the month progresses towards May, Snow gradually gives way to rain, the landscape transforming under the onslaught of April showers. As daylight hours extend and sunshine becomes more common, the town shakes off its winter cloak. Despite major improvements, spring’s full bloom can only be fully experienced in the upcoming month of May.

Temperature

Sundance's weather shows a minor temperature rise with the arrival of April, moving from a wintry 39.4°F (4.1°C) in March to a chilly 47.1°F (8.4°C). Throughout April, Sundance encounters an average temperature drop to a freezing cold 29.5°F (-1.4°C).

Humidity

The average relative humidity in April is 72%.

Rainfall

In April, the rain falls for 12.7 days. Throughout April, 2.09" (53mm) of precipitation is accumulated. Throughout the year, in Sundance, there are 123.2 rainfall days, and 19.37" (492mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Sundance, Wyoming, are January through June, September through December. The month with the most snowfall is April, when snow falls for 10.6 days and typically aggregates up to 8.82" (224mm) of snow.

Daylight

In Sundance, the average length of the day in April is 13h and 30min.
On the first day of April, sunrise is at 6:36 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:01 pm MDT.

Sunshine

In Sundance, the average sunshine in April is 9.2h.

UV index

January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 2 in April converts into the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in April in Sundance?

The average high-temperature, in April, in Sundance, is 47.1°F (8.4°C), while the average low-temperature is 29.5°F (-1.4°C).

What is the average humidity in April in Sundance?

In April, the average relative humidity in Sundance, Wyoming, is 72%.

How much does it rain in Sundance in April?

In Sundance, during April, the rain falls for 12.7 days and regularly aggregates up to 2.09" (53mm) of precipitation.

When does it snow the most in Sundance?

The month with the most snowfall is April, when snow falls for 10.6 days and typically aggregates up to 8.82" (224mm) of snow.

How much does it snow in Sundance in April?

In Sundance, during April, snow falls for 10.6 days and regularly aggregates up to 8.82" (224mm) of snow.

How many hours of daylight does Sundance have in April?

The average day length in April in Sundance is 13h and 30min.

What time are sunrise and sunset in April in Sundance?

On the first day of April in Sundance, Wyoming, sunrise is at 6:36 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:01 pm MDT.

How long on average sun shines in April in Sundance?

In Sundance, Wyoming, the average sunshine duration in April is 9.2h.

What is the month with the lowest UV index in Sundance?

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

What is the UV index reading in April in Sundance?

In Sundance, the average daily maximum UV index in April is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to 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
Sundance, WY

Average temperature in April - Sundance, WY
  • Average high temperature in April: 47.1°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is December (26.2°F).

  • Average low temperature in April: 29.5°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is February (10.8°F).

Average pressure in April
Sundance, WY

Average pressure in April - Sundance, WY
  • Average pressure in April: 29.92"Hg

The months with the highest atmospheric pressure are January and December (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in April
Sundance, WY

Average wind speed in April - Sundance, WY
  • Average wind speed in April: 10.3mph

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).

Average humidity in April
Sundance, WY

Average humidity in April - Sundance, WY
  • Average humidity in April: 72%

The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are August and September (53%).

Average rainfall in April
Sundance, WY

Average rainfall in April - Sundance, WY
  • Average rainfall in April: 2.09"

The wettest months (with the highest rainfall) are June and July (2.68").
The driest month (with the least rainfall) is December (0.67").

Average rainfall days in April
Sundance, WY

Average rainfall days in April - Sundance, WY
  • Average rainfall days in April: 12.7 days

The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (3.7 days).

Average snowfall in April
Sundance, WY

Average snowfall in April - Sundance, WY
  • Average snowfall in April: 8.82"

The month with the highest snowfall is April (8.82").
The months with the least snowfall are July and August (0").

Average snowfall days in April
Sundance, WY

Average snowfall days in April - Sundance, WY
  • Average snowfall days in April: 10.6 days

The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in April /
Average sunshine in April
Sundance, WY

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

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in April: 9h and 1min

The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).

Average sunshine days in April
Sundance, WY

Average sunshine days in April - Sundance, WY
  • Average sunshine days in April: 10.6 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is June (9.7 days).

Average UV index in April
Sundance, WY

Average UV index in April - Sundance, WY
  • Average UV index in April: 2

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

Average cloud cover in April
Sundance, WY

Average cloud cover in April - Sundance, WY
  • Average cloud cover in April: 40

The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 17).

Average visibility in April
Sundance, WY

Average visibility in April - Sundance, WY
  • Average visibility in April: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).

Sundance, Wyoming, USA

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