The highest day temperature in August 2025 was 80°F. The lowest night temperature was 49°F. The average values for day and night temperatures during August were 71.5°F и 63.6°F respectivly.

The average sea surface temperature in August 2025 for Bayfield was 69.2°F. The maximum and minimum values were 64.0°F and 72.2°F respectively.

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

Precipitation total in August for Bayfield is 1.0 in. It makes august one of the most rainy months of the year.

The average wind speed in August is 7.3 mph. It makes August one of the most windless months of the year for Bayfield.

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 Bayfield in August is 8.7 hours.