April weather forecastBismarck, ND
April
Weather in April
April marks the transition to spring in Bismarck with increasing temperatures and less snowfall. By this time, the last traces of winter snow are melting, with only 2.36" (60mm) of snowfall projected for the month. The rise of mercury is slow yet noticeable, as spring gradually unrolls with considerable changes in the characteristics of the Bismarck landscape. The city experiences longer daylight hours in accordance with the ongoing conversion to spring.Temperature
As April sets, the average high-temperature shows an increase, moving up from a wintry 37.9°F (3.3°C) in March to a cool 51.8°F (11°C). An average nighttime temperature of 34.5°F (1.4°C) is noted during the month of April.Humidity
In April, the average relative humidity is 66%.Rainfall
In Bismarck, in April, it is raining for 12.4 days, with typically 1.42" (36mm) of accumulated precipitation. Throughout the year, there are 105.9 rainfall days, and 15" (381mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Bismarck, in April, during 5.4 snowfall days, 2.36" (60mm) of snow is typically accumulated. Throughout the year, there are 73.7 snowfall days, and 23.11" (587mm) of snow is accumulated.Daylight
In Bismarck, the average length of the day in April is 13h and 38min.On the first day of the month, sunrise is at 7:20 am and sunset at 8:12 pm. On the last day of April, sunrise is at 6:28 am and sunset at 8:52 pm CDT.
Sunshine
The average sunshine in April in Bismarck is 7.6h.UV index
In April, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In April, the maximum UV index of 3 suggests this advice:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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").
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).
Average daylight in April /
Average sunshine in April
Bismarck, ND
- Average daylight in April: 13h and 36min
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 36min).
- 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).
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).
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).
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).
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).
