Currently: 50 °F. Sunny. (Weather station: Ironwood Weather Reporting System, USA). See more current weatherAnnual Weather Averages in Ironwood Weather Reporting System
Ironwood Weather Reporting System is 25 miles from Mercer, so the actual climate in Mercer can vary a bit.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Mercer
High Temp: 77 °F
Low Temp: 4 °F
Mean Temp: 40 °F
Precipitation: 3.07"
Humidity: 70%
Dew Point: 32 °F
Wind: 14 mph
Pressure: 29.98 "Hg
Visibility: 9 mi
January Climate & Weather Averages in Mercer
High Temp: 21 °F
Low Temp: 4 °F
Mean Temp: 13 °F
Precipitation: 1.96"
Humidity: 75%
Dew Point: 9 °F
Wind: 16 mph
Pressure: 30.01 "Hg
Visibility: 8 mi
February Climate & Weather Averages in Mercer
High Temp: 24 °F
Low Temp: 4 °F
Mean Temp: 14 °F
Precipitation: 1.49"
Humidity: 70%
Dew Point: 9 °F
Wind: 15 mph
Pressure: 30.03 "Hg
Visibility: 8 mi
March Climate & Weather Averages in Mercer
High Temp: 36 °F
Low Temp: 15 °F
Mean Temp: 25 °F
Precipitation: 2.02"
Humidity: 66%
Dew Point: 17 °F
Wind: 14 mph
Pressure: 30.04 "Hg
Visibility: 9 mi
April Climate & Weather Averages in Mercer
High Temp: 48 °F
Low Temp: 28 °F
Mean Temp: 38 °F
Precipitation: 3.12"
Humidity: 62%
Dew Point: 26 °F
Wind: 14 mph
Pressure: 29.98 "Hg
Visibility: 9 mi
May Climate & Weather Averages in Mercer
High Temp: 63 °F
Low Temp: 40 °F
Mean Temp: 51 °F
Precipitation: 3.67"
Humidity: 61%
Dew Point: 38 °F
Wind: 14 mph
Pressure: 29.95 "Hg
Visibility: 10 mi
June Climate & Weather Averages in Mercer
High Temp: 73 °F
Low Temp: 51 °F
Mean Temp: 62 °F
Precipitation: 3.94"
Humidity: 68%
Dew Point: 50 °F
Wind: 12 mph
Pressure: 29.91 "Hg
Visibility: 9 mi
July Climate & Weather Averages in Mercer
High Temp: 77 °F
Low Temp: 56 °F
Mean Temp: 66 °F
Precipitation: 4.07"
Humidity: 71%
Dew Point: 56 °F
Wind: 12 mph
Pressure: 29.94 "Hg
Visibility: 9 mi
August Climate & Weather Averages in Mercer
High Temp: 75 °F
Low Temp: 54 °F
Mean Temp: 64 °F
Precipitation: 3.80"
Humidity: 74%
Dew Point: 55 °F
Wind: 11 mph
Pressure: 29.98 "Hg
Visibility: 9 mi
September Climate & Weather Averages in Mercer
High Temp: 67 °F
Low Temp: 46 °F
Mean Temp: 57 °F
Precipitation: 3.79"
Humidity: 73%
Dew Point: 48 °F
Wind: 13 mph
Pressure: 29.99 "Hg
Visibility: 9 mi
October Climate & Weather Averages in Mercer
High Temp: 53 °F
Low Temp: 35 °F
Mean Temp: 44 °F
Precipitation: 3.97"
Humidity: 72%
Dew Point: 35 °F
Wind: 15 mph
Pressure: 29.97 "Hg
Visibility: 9 mi
November Climate & Weather Averages in Mercer
High Temp: 37 °F
Low Temp: 23 °F
Mean Temp: 30 °F
Precipitation: 2.68"
Humidity: 73%
Dew Point: 24 °F
Wind: 16 mph
Pressure: 29.99 "Hg
Visibility: 9 mi
December Climate & Weather Averages in Mercer
High Temp: 26 °F
Low Temp: 12 °F
Mean Temp: 19 °F
Precipitation: 2.30"
Humidity: 77%
Dew Point: 15 °F
Wind: 16 mph
Pressure: 29.99 "Hg
Visibility: 8 mi