The highest day temperature in July 2024 was 108°F. The lowest night temperature was 48°F. The average values for day and night temperatures during July were 88.0°F и 63.2°F respectivly.

Most of the days in July are sunny but you can also expect cloudy and gloomy days.

Precipitation total in July for Spearfish is 0.8 in.

The average wind speed in July is 7.8 mph. This value is relatively stable throughout the year.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Spearfish in July is 11.4 hours.