nomadseason

April Weather in Bismarck, United States

Last updated: June 24, 2025

In April, the average temperature in Bismarck, United States hovers around 11°C (52°F). Expect chilly nights with a minimum dipping as low as -6°C (21°F), while daytime can warm up to a pleasant 29°C (84°F). This month, you should prepare for 110 mm (4.3 in) of precipitation spread over 11 days, with an average humidity of 85%. Stay cozy and dry!

April Temperature in Bismarck

In April in Bismarck, the average temperature is 11°C (52°F). Maximums can reach 29°C (84°F), and minimums can drop as low as -6°C (21°F). Be prepared for a wide range of temperatures during your travels, making layers essential for comfort.

April Weather in Bismarck: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Bismarck, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bismarck, April typically has an average temperature of 11°C (52°F), with highs reaching up to 29°C (84°F) and lows dropping to around -6°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec293142526474777470574135
Data source: Temperature data for Bismarck generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Bismarck

In Bismarck in April, the precipitation amount is 110 mm (4.3 in) spread over 11 days.

April Precipitation Trends in Bismarck

The chart displays monthly precipitation patterns in Bismarck, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Bismarck, April typically receives around 110 mm (4.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec777811011015110588111711217760
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in Bismarck

In Bismarck in April, humidity is 85%. With an average temperature of 11°C (52°F), this humidity feels like a damp blanket wrapping around you, making travel quite uncomfortable as the air feels heavy and can sap your energy.

April Average Humidity in Bismarck

This chart illustrates the average monthly humidity levels in Bismarck, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Bismarck is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%84%85%79%82%80%81%80%82%88%84%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Bismarck

In Bismarck in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Bismarck.

Maximum UV Index Levels in Bismarck for April

The chart shows the monthly maximum UV Index (UVI) for Bismarck in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in Bismarck typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098642
Data source: Bismarck April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How April Weather in Bismarck Compares to Other Months

Weather in Bismarck varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Bismarck, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Bismarck, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)77 mm (3.0 inches)82%moderate
February Weather0°C (31°F)78 mm (3.1 inches)83%moderate
March Weather6°C (42°F)110 mm (4.3 inches)84%high
April Weather11°C (52°F)110 mm (4.3 inches)85%very high
May Weather18°C (65°F)151 mm (6.0 inches)79%very high
June Weather23°C (74°F)105 mm (4.1 inches)82%extreme
July Weather25°C (77°F)88 mm (3.5 inches)80%very high
August Weather24°C (75°F)111 mm (4.4 inches)81%very high
September Weather21°C (70°F)71 mm (2.8 inches)80%very high
October Weather14°C (57°F)121 mm (4.7 inches)82%high
November Weather5°C (41°F)77 mm (3.0 inches)88%moderate
December Weather2°C (36°F)60 mm (2.4 inches)84%low

Compare Bismarck's Climate with Cities Worldwide