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April Weather in North Spearfish, United States

Last updated: June 24, 2025

In April, the average temperature in North Spearfish, United States hovers around 4°C (40°F). Expect temperatures to vary, with a minimum plunging to -20°C (-3°F) and a maximum reaching up to 26°C (79°F). During this month, anticipate about 77 mm (3.0 in) of precipitation spread over 12 days, contributing to an average humidity of 70%. Get ready for quite the weather mix!

April Temperature in North Spearfish

In April in North Spearfish, the average temperature is 4°C (40°F). Maximums can reach 26°C (79°F) and minimums can drop as low as -20°C (-3°F). Travelers should be prepared for a wide range of temperatures during their visit, ensuring they pack accordingly for both warm and cold conditions.

April Weather in North Spearfish: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in North Spearfish, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In North Spearfish, April typically has an average temperature of 4°C (40°F), with highs reaching up to 26°C (79°F) and lows dropping to around -20°C (-3°F).
JanFebMarAprMayJunJulAugSepOctNovDec262135395165716860433629
Data source: Temperature data for North Spearfish 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 North Spearfish

In North Spearfish in April, the precipitation amount is 77 mm (3.0 in) spread over 12 days.

April Precipitation Trends in North Spearfish

The chart displays monthly precipitation patterns in North Spearfish, 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 North Spearfish, April typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec2335407710066936046652332
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in North Spearfish

In North Spearfish in April humidity is 70%. With an average temperature of 4°C (40°F), this humidity feels like a chilly dampness that clings to your clothes, making every step outside feel heavier as you navigate the cold, wet air.

April Average Humidity in North Spearfish

This chart illustrates the average monthly humidity levels in North Spearfish, 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 North Spearfish 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 North Spearfish

In North Spearfish 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 North Spearfish.

Maximum UV Index Levels in North Spearfish for April

The chart shows the monthly maximum UV Index (UVI) for North Spearfish 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 North Spearfish typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356991111108532
Data source: North Spearfish 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 North Spearfish Compares to Other Months

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

This table compares monthly weather conditions in North Spearfish, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (26°F)23 mm (0.9 inches)77%moderate
February Weather-6°C (21°F)35 mm (1.4 inches)80%moderate
March Weather1°C (35°F)40 mm (1.6 inches)70%high
April Weather4°C (40°F)77 mm (3.0 inches)70%very high
May Weather11°C (51°F)100 mm (3.9 inches)76%very high
June Weather18°C (65°F)66 mm (2.6 inches)84%extreme
July Weather22°C (71°F)93 mm (3.7 inches)85%extreme
August Weather20°C (68°F)60 mm (2.4 inches)84%very high
September Weather15°C (60°F)46 mm (1.8 inches)77%very high
October Weather6°C (43°F)65 mm (2.6 inches)73%moderate
November Weather2°C (36°F)23 mm (0.9 inches)74%moderate
December Weather-2°C (29°F)32 mm (1.3 inches)79%low

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