April weather forecast and climate
Butte, AK

Weather in April

April in Butte, Alaska, is a cold spring month, with temperature in the range of an average low of 20.5°F (-6.4°C) and an average high of 36.1°F (2.3°C).

Temperature

In April, the average high-temperature slightly increases, from a subzero cold 27.5°F (-2.5°C) in March, to a wintry 36.1°F (2.3°C). The average low-temperature, is 20.5°F (-6.4°C).

Humidity

In April, the average relative humidity is 82%.

Rainfall

In Butte, Alaska, during 17.3 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. Throughout the year, there are 190.7 rainfall days, and 17.4" (442mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. In April, it is snowing for 8.5 days. Throughout April, 3.43" (87mm) of snow is accumulated. In Butte, during the entire year, snow falls for 76.2 days, and aggregates up to 33.5" (851mm) of snow.

Daylight

The average length of the day in April is 14.9h.

Sunshine

In Butte, the average sunshine is 8.4h.

UV index

In April, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 2 transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in April in Butte?

The average high-temperature, in April, is 36.1°F (2.3°C), while the average low-temperature is 20.5°F (-6.4°C).

What is the average humidity in April in Butte?

The average relative humidity in April in Butte, Alaska, is 82%.

How much does it rain in Butte in April?

In Butte, in April, it is raining for 17.3 days, with typically 1.1" (28mm) of accumulated precipitation.

How many days does it snow in April in Butte?

In Butte, Alaska, during April, snow falls for 8.5 days and regularly aggregates up to 3.43" (87mm) of snow.

How many hours of daylight does Butte have in April?

In April, the average length of the day in Butte, Alaska, is 14.9h.

How long on average sun shines in April in Butte?

The average sunshine in April in Butte, Alaska, is 8.4h.

What is the UV index reading in April in Butte?

In Butte, Alaska, the average daily maximum UV index in April is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from the exposure to the Sun's UV rays.

Average temperature in April
Butte, AK

Average temperature in April - Butte, AK
  • Average high temperature in April: 36.1°F

The warmest month (with the highest average high temperature) is July (61.2°F).
The month with the lowest average high temperature is January (18.1°F).

  • Average low temperature in April: 20.5°F

The month with the highest average low temperature is July (44.2°F).
The coldest month (with the lowest average low temperature) is January (8.1°F).

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Average pressure in April
Butte, AK

Average pressure in April - Butte, AK
  • Average pressure in April: 29.83"

The month with the highest atmospheric pressure is July (29.96").
Months with the lowest atmospheric pressure are November and December (29.7").

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Average wind speed in April
Butte, AK

Average wind speed in April - Butte, AK
  • Average wind speed in April: 4.5mph

The windiest month (with the highest average wind speed) is January (5.5mph).
The calmest month (with the lowest average wind speed) is July (4mph).

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Average humidity in April
Butte, AK

Average humidity in April - Butte, AK
  • Average humidity in April: 82%

The month with the highest relative humidity is March (87%).
Months with the lowest relative humidity are May and June (69%).

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Average rainfall in April
Butte, AK

Average rainfall in April - Butte, AK
  • Average rainfall in April: 1.1"

The wettest month (with the highest rainfall) is September (2.24").
The driest month (with the least rainfall) is January (0.91").

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Average rainfall days in April
Butte, AK

Average rainfall days in April - Butte, AK
  • Average rainfall days in April: 17.3 days

The month with the highest number of rainy days is June (22.4 days).
The month with the least rainy days is February (8.9 days).

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Average snowfall in April
Butte, AK

Average snowfall in April - Butte, AK
  • Average snowfall in April: 3.43"

The month with the highest snowfall is February (6.93").
Months with the least snowfall are June, July and August (0").

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Average snowfall days in April
Butte, AK

Average snowfall days in April - Butte, AK
  • Average snowfall days in April: 8.5 days

The month with the highest number of snowfall days is February (14.1 days).
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
Butte, AK

Average daylight in April / Average sunshine in April - Butte, AK
  • Average daylight in April: 14.9h

The month with the longest days is June (Average daylight: 19.4h).
The month with the shortest days is December (Average daylight: 5.5h).

  • Average sunshine in April: 8.4h

The month with the most sunshine is May (Average sunshine: 11.8h).
The month with the least sunshine is December (Average sunshine: 3.9h).

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Average sunshine days in April
Butte, AK

Average sunshine days in April - Butte, AK
  • Average sunshine days in April: 6.8 days

The month with the most sunshine days is January (13.9 days).
The month with the least sunshine days is June (5.3 days).

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Average UV index in April
Butte, AK

Average UV index in April - Butte, AK
  • Average UV index in April: 2

Months with the highest UV index are June and July (UV index 4).
Months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in April
Butte, AK

Average cloud cover in April - Butte, AK
  • Average cloud cover in April: 46

The month with the most cloud cover is April (Cloud cover 46).
The month with the least cloud cover is January (Cloud cover 37).

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Average visibility in April
Butte, AK

Average visibility in April - Butte, AK
  • Average visibility in April: 4mi

Months with the highest visibility are May, June, July, August, September, October and November (6mi).
Months with the lowest visibility are February, March and April (4mi).

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