The highest day temperature in August 2026 was 114°F. The lowest night temperature was 67°F. The average values for day and night temperatures during August were 103.5°F и 77.5°F respectivly.

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

Precipitation total in August for Bartlesville is 0.7 in. It makes august one of the least rainy months of the year.

The average wind speed in August is 9.1 mph. It makes August one of the most windless months of the year for Bartlesville.

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 Bartlesville in August is 10.3 hours.