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April Weather in Fort Pierre, United States

Last updated: June 24, 2025

In April, the average temperature in Fort Pierre, United States hovers around 7°C (44°F). Expect a wide range, with minimums dropping to -15°C (6°F) and maximums reaching up to 30°C (85°F). During this time, total precipitation amounts to 49 mm (1.9 in) over about 7 days, while the average humidity sits at a comfortable 73%. 🌧️

April Temperature in Fort Pierre

In April in Fort Pierre, the average temperature is 7°C (44°F). Maximum temperatures can reach 30°C (85°F), while minimum temperatures can drop as low as -15°C (6°F). Be prepared for significant temperature fluctuations when traveling to Fort Pierre this month.

April Weather in Fort Pierre: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Fort Pierre, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fort Pierre, April typically has an average temperature of 7°C (44°F), with highs reaching up to 30°C (85°F) and lows dropping to around -15°C (6°F).
JanFebMarAprMayJunJulAugSepOctNovDec201934445973787466473627
Data source: Temperature data for Fort Pierre generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Fort Pierre

In Fort Pierre in April, the precipitation amount is 49 mm (1.9 in) over the course of 7 days.

April Precipitation Trends in Fort Pierre

The chart displays monthly precipitation patterns in Fort Pierre, 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 Fort Pierre, April typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec151938497862865360541126
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Fort Pierre

In Fort Pierre in April, humidity is 73%. With an average temperature of 7°C (44°F), this humidity feels like a damp chill that seeps into your clothes, making it essential to dress in layers and carry a waterproof jacket while exploring the area.

April Average Humidity in Fort Pierre

This chart illustrates the average monthly humidity levels in Fort Pierre, 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 Fort Pierre is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%81%72%73%75%82%83%82%73%71%78%76%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Fort Pierre

In Fort Pierre in April, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Fort Pierre.

Maximum UV Index Levels in Fort Pierre for April

The chart shows the monthly maximum UV Index (UVI) for Fort Pierre 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 Fort Pierre typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec25579101098532
Data source: Fort Pierre 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 Fort Pierre Compares to Other Months

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

This table compares monthly weather conditions in Fort Pierre, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (20°F)15 mm (0.6 inches)78%low
February Weather-7°C (19°F)19 mm (0.8 inches)81%moderate
March Weather1°C (34°F)38 mm (1.5 inches)71%moderate
April Weather7°C (44°F)49 mm (1.9 inches)73%high
May Weather15°C (59°F)78 mm (3.1 inches)75%very high
June Weather23°C (73°F)62 mm (2.4 inches)82%very high
July Weather25°C (78°F)86 mm (3.4 inches)83%very high
August Weather23°C (74°F)53 mm (2.1 inches)82%very high
September Weather19°C (66°F)60 mm (2.3 inches)73%very high
October Weather9°C (48°F)54 mm (2.1 inches)71%moderate
November Weather2°C (36°F)11 mm (0.4 inches)78%moderate
December Weather-3°C (27°F)26 mm (1.0 inches)76%low

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