April weather forecast and climate
Bismarck, ND

The historical building of the State Capitol in Bismarck, North Dakota
The historical building of the State Capitol in Bismarck, North Dakota

Weather in April

April is a fresh spring month in Bismarck, North Dakota, with temperature in the range of an average high of 51.8°F (11°C) and an average low of 34.5°F (1.4°C).

Temperature

In April, the average high-temperature increases, from a wintry 37.9°F (3.3°C) in March, to a cool 51.8°F (11°C). The average low-temperature, in April, is 34.5°F (1.4°C).

Humidity

In April, the average relative humidity is 66%.

Rainfall

In April, the rain falls for 12.4 days. Throughout April, 1.42" (36mm) of precipitation is accumulated. Throughout the year, there are 105.9 rainfall days, and 15" (381mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Bismarck, during 5.4 snowfall days, 2.36" (60mm) of snow is typically accumulated. Throughout the year, in Bismarck, there are 73.7 snowfall days, and 23.11" (587mm) of snow is accumulated.

Daylight

In April, the average length of the day in Bismarck, North Dakota, is 13.6h.

Sunshine

In April, the average sunshine in Bismarck is 7.6h.

UV index

In Bismarck, North Dakota, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in April in Bismarck?

The average high-temperature, in April, is 51.8°F (11°C), while the average low-temperature is 34.5°F (1.4°C).

What is the average humidity in April in Bismarck?

In Bismarck, North Dakota, the average relative humidity in April is 66%.

How many days does it rain in April in Bismarck?

In Bismarck, in April, during 12.4 rainfall days, 1.42" (36mm) of precipitation is typically accumulated.

How many days does it snow in April in Bismarck?

In April, in Bismarck, North Dakota, it is snowing for 5.4 days. Throughout April, 2.36" (60mm) of snow is accumulated.

How many hours of daylight does Bismarck have in April?

In April, the average length of the day in Bismarck is 13.6h.

How long on average sun shines in April in Bismarck?

In April, the average sunshine is 7.6h.

What is the UV index reading in April in Bismarck?

In Bismarck, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe exposure to the Sun's UV rays.

Average temperature in April
Bismarck, ND

Average temperature in April - Bismarck, ND
  • Average high temperature in April: 51.8°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (20.8°F).

  • Average low temperature in April: 34.5°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (6.1°F).

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Average pressure in April
Bismarck, ND

Average pressure in April - Bismarck, ND
  • Average pressure in April: 29.96"

The month with the highest atmospheric pressure is February (30.17").
The month with the lowest atmospheric pressure is June (29.85").

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Average wind speed in April
Bismarck, ND

Average wind speed in April - Bismarck, ND
  • Average wind speed in April: 10.7mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).

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Average humidity in April
Bismarck, ND

Average humidity in April - Bismarck, ND
  • Average humidity in April: 66%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (55%).

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Average rainfall in April
Bismarck, ND

Average rainfall in April - Bismarck, ND
  • Average rainfall in April: 1.42"

The wettest month (with the highest rainfall) is June (2.28").
The driest month (with the least rainfall) is January (0.59").

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Average rainfall days in April
Bismarck, ND

Average rainfall days in April - Bismarck, ND
  • Average rainfall days in April: 12.4 days

The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is February (3.4 days).

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Average snowfall in April
Bismarck, ND

Average snowfall in April - Bismarck, ND
  • Average snowfall in April: 2.36"

The month with the highest snowfall is February (4.33").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in April
Bismarck, ND

Average snowfall days in April - Bismarck, ND
  • Average snowfall days in April: 5.4 days

The month with the highest number of snowfall days is December (15.7 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in April /
Average sunshine in April
Bismarck, ND

Average daylight in April / Average sunshine in April - Bismarck, ND
  • Average daylight in April: 13.6h

The month with the longest days is June (Average daylight: 15.8h).
The month with the shortest days is December (Average daylight: 8.6h).

  • Average sunshine in April: 7.6h

The month with the most sunshine is July (Average sunshine: 11.4h).
The month with the least sunshine is January (Average sunshine: 3.8h).

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Average sunshine days in April
Bismarck, ND

Average sunshine days in April - Bismarck, ND
  • Average sunshine days in April: 12.7 days

The month with the most sunshine days is September (19.9 days).
The month with the least sunshine days is March (12.3 days).

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Average UV index in April
Bismarck, ND

Average UV index in April - Bismarck, ND
  • Average UV index in April: 3

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are January, November and December (UV index 1).

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Average cloud cover in April
Bismarck, ND

Average cloud cover in April - Bismarck, ND
  • Average cloud cover in April: 46

The month with the most cloud cover is February (Cloud cover 60).
Months with the least cloud cover are July and August (Cloud cover 21).

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Average visibility in April
Bismarck, ND

Average visibility in April - Bismarck, ND
  • Average visibility in April: 6mi

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

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