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April Weather in Belle Fourche, United States

Last updated: June 24, 2025

In April, the average temperature in Belle Fourche, United States hovers around 6°C (43°F). While the temperatures can dip as low as -16°C (3°F), they can also reach a warm 27°C (81°F). Expect about 59 mm (2.3 in) of precipitation spread over 9 days, with an average humidity of 70%.

April Temperature in Belle Fourche

In April in Belle Fourche, the average temperature is 6°C (43°F), with maximums reaching 27°C (81°F) and minimums dipping as low as -16°C (3°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack layers for both warm and chilly conditions.

April Weather in Belle Fourche: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Belle Fourche, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Belle Fourche, April typically has an average temperature of 6°C (43°F), with highs reaching up to 27°C (81°F) and lows dropping to around -16°C (3°F).
JanFebMarAprMayJunJulAugSepOctNovDec262136435569757263463730
Data source: Temperature data for Belle Fourche 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 Belle Fourche

In Belle Fourche in April, the precipitation amount is 59 mm (2.3 in) over the course of 9 days.

April Precipitation Trends in Belle Fourche

The chart displays monthly precipitation patterns in Belle Fourche, 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 Belle Fourche, April typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec142628596944603633491322
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Belle Fourche

In Belle Fourche in April humidity is 70%. With an average temperature of 6°C (43°F), this humidity feels like a chilly mist wrapping around you, making the air feel heavier and potentially damp, which can be uncomfortable for traveling as it adds an extra layer of cold that seeps through your clothes.

April Average Humidity in Belle Fourche

This chart illustrates the average monthly humidity levels in Belle Fourche, 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 Belle Fourche is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%80%70%70%76%84%85%85%77%73%74%79%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Belle Fourche

In Belle Fourche 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 Belle Fourche.

Maximum UV Index Levels in Belle Fourche for April

The chart shows the monthly maximum UV Index (UVI) for Belle Fourche 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 Belle Fourche typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245991010108532
Data source: Belle Fourche 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 Belle Fourche Compares to Other Months

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

This table compares monthly weather conditions in Belle Fourche, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (26°F)14 mm (0.6 inches)77%low
February Weather-6°C (22°F)25 mm (1.0 inches)80%moderate
March Weather2°C (36°F)28 mm (1.1 inches)70%moderate
April Weather6°C (43°F)59 mm (2.3 inches)70%very high
May Weather13°C (55°F)69 mm (2.7 inches)76%very high
June Weather21°C (69°F)44 mm (1.7 inches)84%very high
July Weather24°C (75°F)60 mm (2.4 inches)85%very high
August Weather22°C (72°F)36 mm (1.4 inches)84%very high
September Weather17°C (63°F)33 mm (1.3 inches)77%very high
October Weather8°C (46°F)49 mm (1.9 inches)73%moderate
November Weather3°C (38°F)13 mm (0.5 inches)74%moderate
December Weather-1°C (30°F)22 mm (0.8 inches)79%low

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