April weather forecast
Bismarck, IL

Share

Weather in April

April in Bismarck, Illinois, is a refreshing spring month, with an average temperature varying between 61.2°F (16.2°C) and 45°F (7.2°C).

Temperature

As Bismarck welcomes April, the average high-temperature sees a rise, transitioning from a frosty 49.1°F (9.5°C) in March to a comfortable 61.2°F (16.2°C). The average low-temperature in Bismarck during April nights is a chilly 45°F (7.2°C).

Humidity

The average relative humidity in April in Bismarck is 76%.

Rainfall

The month with the most rainfall in Bismarck is April, when the rain falls for 15.3 days and typically aggregates up to 3.23" (82mm) of precipitation.

Snowfall

Months with snowfall in Bismarck are January through April, November and December. April is the last month it regularly snows. During 0.9 snowfall days, in April, Bismarck aggregates 0.28" (7mm) of snow. In Bismarck, during the entire year, snow falls for 35.2 days and aggregates up to 8.82" (224mm) of snow.

Daylight

The average length of the day in April is 13h and 19min.
On the first day of April in Bismarck, sunrise is at 6:32 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 7:45 pm CDT.

Sunshine

In Bismarck, the average sunshine in April is 8.1h.

UV index

The average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum UV index of 4 in April translates into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. To cut down UV radiation exposure by about half, sport a wide-brim hat. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
[Resources]

Frequently asked questions

What are April temperatures in Bismarck?

The high-temperature during April is 61.2°F (16.2°C) and the low-temperature is 45°F (7.2°C).

What is the average humidity in April in Bismarck?

In April, the average relative humidity in Bismarck, Illinois, is 76%.

What is the rainiest month in Bismarck?

The month with the most rainfall in Bismarck, Illinois, is April, when the rain falls for 15.3 days and typically aggregates up to 3.23" (82mm) of precipitation.

How many days does it rain in April in Bismarck?

In Bismarck, Illinois, during April, the rain falls for 15.3 days and regularly aggregates up to 3.23" (82mm) of precipitation.

What is the last month it snows in Bismarck?

April is the last month it regularly snows. During 0.9 snowfall days, in April, Bismarck aggregates 0.28" (7mm) of snow.

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

In Bismarck, the average day length in April is 13h and 19min.

When is the sunrise / sunset in April in Bismarck?

On the first day of April, sunrise is at 6:32 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 7:45 pm CDT.

How many hours of sunshine does Bismarck have in April?

In Bismarck, the average sunshine duration in April is 8.1h.

What is the UV index intensity in April in Bismarck?

The average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a moderate health threat 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
Bismarck, IL

Average temperature in April - Bismarck, IL
  • Average high temperature in April: 61.2°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.6°F).

  • Average low temperature in April: 45°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

[Resources]

Average pressure in April
Bismarck, IL

Average pressure in April - Bismarck, IL
  • Average pressure in April: 29.95"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

[Resources]

Average wind speed in April
Bismarck, IL

Average wind speed in April - Bismarck, IL
  • Average wind speed in April: 10.2mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

[Resources]

Average humidity in April
Bismarck, IL

Average humidity in April - Bismarck, IL
  • Average humidity in April: 76%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

[Resources]

Average rainfall in April
Bismarck, IL

Average rainfall in April - Bismarck, IL
  • Average rainfall in April: 3.23"

The wettest month (with the highest rainfall) is April (3.23").
The driest months (with the least rainfall) are February and September (1.38").

[Resources]

Average rainfall days in April
Bismarck, IL

Average rainfall days in April - Bismarck, IL
  • Average rainfall days in April: 15.3 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (6.6 days).

[Resources]

Average snowfall in April
Bismarck, IL

Average snowfall in April - Bismarck, IL
  • Average snowfall in April: 0.28"

The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August, September and October (0").

[Resources]

Average snowfall days in April
Bismarck, IL

Average snowfall days in April - Bismarck, IL
  • Average snowfall days in April: 0.9 days

The month with the highest number of snowfall days is January (10.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

[Resources]

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

Average daylight in April / Average sunshine in April - Bismarck, IL
  • Average daylight in April: 13h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in April: 8h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

[Resources]

Average sunshine days in April
Bismarck, IL

Average sunshine days in April - Bismarck, IL
  • Average sunshine days in April: 11.6 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (9.5 days).

[Resources]

Average UV index in April
Bismarck, IL

Average UV index in April - Bismarck, IL
  • Average UV index in April: 4

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

[Resources]

Average cloud cover in April
Bismarck, IL

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

The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are June, August and September (Cloud cover 32).

[Resources]

Average visibility in April
Bismarck, IL

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

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

[Resources]

Bismarck, Illinois, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location