August Climate Summary for Alpena, MI: Cooler Temperatures and Moderate Rainfall
The National Weather Service (NWS) has released the preliminary climatological data for Alpena, Michigan, for August 2023. The average monthly temperature was recorded at 65.0°F (18.3°C), which is 1.6°F below normal. The highest temperature of the month was 91°F (32.8°C) on August 20, while the lowest was 42°F (5.6°C) on August 31. Precipitation totaled 3.54 inches (89.9 mm), slightly above the normal by 0.45 inches. The greatest 24-hour rainfall occurred on August 29, with 1.08 inches (27.4 mm). Notably, there were 11 days with measurable precipitation and two days with temperatures exceeding 90°F. No snowfall or freezing rain was reported during the month. Wind speeds peaked at 29 mph (46.7 km/h) on August 29, with a maximum gust of 48 mph (77.2 km/h). 
