April weather forecast
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 an average temperature ranging between min 34.5°F (1.4°C) and max 51.8°F (11°C).

Temperature

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

Humidity

The average relative humidity in April is 66%.

Rainfall

In Bismarck, in April, during 12.4 rainfall days, 1.42" (36mm) of precipitation is typically 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. In Bismarck, during April, snow falls for 5.4 days and regularly aggregates up to 2.36" (60mm) of snow. In Bismarck, during the entire year, snow falls for 73.7 days and aggregates up to 23.11" (587mm) of snow.

Daylight

In April, the average length of the day in Bismarck is 13h and 38min.
On the first day of April in Bismarck, sunrise is at 7:21 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 8:51 pm CDT.

Sunshine

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

UV index

In Bismarck, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In April, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. 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. 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 average humidity in April in Bismarck?

In April, the average relative humidity is 66%.

How much does it rain in Bismarck in April?

In April, the rain falls for 12.4 days. Throughout April, 1.42" (36mm) of precipitation is accumulated.

How many days does it snow in April in Bismarck?

In Bismarck, in April, during 5.4 snowfall days, 2.36" (60mm) of snow is typically accumulated.

What is the average length of the day in April in Bismarck?

In Bismarck, the average day length in April is 13h and 38min.

When are sunrise and sunset in April in Bismarck?

On the first day of April in Bismarck, sunrise is at 7:21 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 8:51 pm CDT.

How many hours of sunshine does Bismarck have in April?

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

How high is the UV index in April in Bismarck?

In April, the average daily maximum UV index in Bismarck is 3. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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"Hg

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

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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").
The 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).
The 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: 13h and 38min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 37min).

  • Average sunshine in April: 7h and 36min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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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).
The 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).
The 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

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

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