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August Weather in North Spearfish, United States

Last updated: June 24, 2025

In August, the average temperature in North Spearfish, United States is a pleasant 20°C (68°F). Expect a range from a cool 5°C (41°F) to a warm 37°C (98°F). During this time, precipitation averages 60 mm (2.4 in) over about 10 days, contributing to an average humidity level of 84%. Whether you're enjoying a sunny day or preparing for a rain shower, be ready for a diverse climate!

August Temperature in North Spearfish

In August, in North Spearfish, the average temperature is 20°C (68°F). The maximum can reach 37°C (98°F) and the minimum can be as low as 5°C (41°F). It's a great time to visit, so pack accordingly for diverse weather conditions!

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

The chart illustrates August 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, August typically has an average temperature of 20°C (68°F), with highs reaching up to 37°C (98°F) and lows dropping to around 5°C (41°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.

August Precipitation in North Spearfish

In North Spearfish in August, the precipitation amount is 60 mm (2.4 in) accumulated over a period of 10 days.

August Precipitation Trends in North Spearfish

The chart displays monthly precipitation patterns in North Spearfish, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In North Spearfish, August typically receives around 60 mm (2.4 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec2335407710066936046652332
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in North Spearfish

In North Spearfish in August humidity is 84%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket, making travel a challenge as the air clings to your skin, and every step feels heavier in the mugginess.

August Average Humidity in North Spearfish

This chart illustrates the average monthly humidity levels in North Spearfish, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in North Spearfish is approximately 84%, 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 August generated using information from the Copernicus Climate Change Service.

August UV Index in North Spearfish

In North Spearfish in August, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in North Spearfish.

Maximum UV Index Levels in North Spearfish for August

The chart shows the monthly maximum UV Index (UVI) for North Spearfish in August, 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 August, the maximum UV index in North Spearfish typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356991111108532
Data source: North Spearfish August 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 August 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 August’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 August’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

Compare North Spearfish's Climate with Cities Worldwide