April weather forecast
Big Horn, WY

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Weather in April

April in Big Horn, Wyoming, is a frosty spring month, with an average temperature varying between 30.4°F (-0.9°C) and 47.1°F (8.4°C).

Temperature

As Big Horn welcomes April, the average high-temperature sees a modest rise, transitioning from an icy 40.6°F (4.8°C) in March to a frosty 47.1°F (8.4°C). Throughout the nights in April, Big Horn experiences an average low-temperature of 30.4°F (-0.9°C).

Humidity

In April, the average relative humidity is 69%.

Rainfall

In Big Horn, in April, it is raining for 17.6 days, with typically 2.72" (69mm) of accumulated precipitation. In Big Horn, during the entire year, the rain falls for 165.2 days and collects up to 21.22" (539mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. The month with the most snowfall in Big Horn is April, when snow falls for 8.6 days and typically aggregates up to 8.7" (221mm) of snow.

Daylight

In April, the average length of the day in Big Horn is 13h and 31min.
On the first day of the month, sunrise is at 6:47 am and sunset at 7:36 pm. On the last day of April, sunrise is at 5:58 am and sunset at 8:12 pm MDT.

Sunshine

In Big Horn, the average sunshine in April is 9.7h.

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 estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.
Note: A daily high UV index of 2 in April leads to these guidelines:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
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Frequently asked questions

What is the temperature in April in Big Horn?

The average high-temperature and low-temperature during April are 47.1°F (8.4°C) and 30.4°F (-0.9°C) respectively.

What is the average humidity in April in Big Horn?

In Big Horn, the average relative humidity in April is 69%.

How many days does it rain in April in Big Horn?

In Big Horn, in April, during 17.6 rainfall days, 2.72" (69mm) of precipitation is typically accumulated.

What is the snowiest month in Big Horn?

The month with the most snowfall is April, when snow falls for 8.6 days and typically aggregates up to 8.7" (221mm) of snow.

How much does it snow in Big Horn in April?

In Big Horn, Wyoming, during April, snow falls for 8.6 days and regularly aggregates up to 8.7" (221mm) of snow.

How many hours of daylight does Big Horn have in April?

In April, the average day length is 13h and 31min.

When are sunrise and sunset in April in Big Horn?

On the first day of April in Big Horn, sunrise is at 6:47 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 8:12 pm MDT.

How many hours of sunshine does Big Horn have in April?

In April, the average sunshine duration in Big Horn is 9.7h.

What is the month with the lowest UV index in Big Horn?

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

What is the UV index reading in April in Big Horn?

In April, the average daily maximum UV index in Big Horn, Wyoming, is 2. A UV Index of 2, and less, symbolizes a low health threat 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
Big Horn, WY

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

The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is February (29.1°F).

  • Average low temperature in April: 30.4°F

The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is February (14.4°F).

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Average pressure in April
Big Horn, WY

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

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in April
Big Horn, WY

Average wind speed in April - Big Horn, WY
  • Average wind speed in April: 7.6mph

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

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Average humidity in April
Big Horn, WY

Average humidity in April - Big Horn, WY
  • Average humidity in April: 69%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is August (46%).

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Average rainfall in April
Big Horn, WY

Average rainfall in April - Big Horn, WY
  • Average rainfall in April: 2.72"

The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is December (0.75").

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Average rainfall days in April
Big Horn, WY

Average rainfall days in April - Big Horn, WY
  • Average rainfall days in April: 17.6 days

The month with the highest number of rainy days is May (22.3 days).
The month with the least rainy days is November (7.5 days).

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Average snowfall in April
Big Horn, WY

Average snowfall in April - Big Horn, WY
  • Average snowfall in April: 8.7"

The month with the highest snowfall is April (8.7").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in April
Big Horn, WY

Average snowfall days in April - Big Horn, WY
  • Average snowfall days in April: 8.6 days

The month with the highest number of snowfall days is February (15.8 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
Big Horn, WY

Average daylight in April / Average sunshine in April - Big Horn, 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 4min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 6min).

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Average sunshine days in April
Big Horn, WY

Average sunshine days in April - Big Horn, WY
  • Average sunshine days in April: 6.8 days

The month with the most sunshine days is November (15.2 days).
The month with the least sunshine days is May (5.8 days).

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Average UV index in April
Big Horn, WY

Average UV index in April - Big Horn, 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
Big Horn, WY

Average cloud cover in April - Big Horn, WY
  • Average cloud cover in April: 37

The months with the most cloud cover are February and April (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 15).

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Average visibility in April
Big Horn, WY

Average visibility in April - Big Horn, 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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Big Horn, Wyoming, USA

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