National Weather Service United States Department of Commerce
Climate/Almanac Data     -      Dec Normals     -     Dec Records
 
December 2020
 

 Site
 
(Click site name for report)

Avg
Temp
Normal Dept
From
Norm
Precip
Total
Normal Dept
From
Norm
Snowfall
Total
Normal Dept
From
Norm
  Burlington 31.0° 29.1° +1.9° 1.82" 2.09" -0.27" NA 7.5" NA
  Cedar Rapids 26.3° 23.3° +3.0° 1.68" 1.42" +0.26" NA 7.8" NA
  Davenport 29.5° 25.3° +4.2° 2.29" 1.73" +0.56" 11.4" NA NA
  Dubuque 26.3° 22.8° +3.5° 2.66" 1.84" +0.82" 18.0" 11.8" +6.2"
  Iowa City 28.6° 25.2° +3.4° 2.17" 1.52" +0.65" NA NA NA
  Moline 31.1° 26.6° +4.5° 2.81" 2.18" +0.63" 10.3" 9.3" +1.0"
The ranking is listed in parentheses (__) when within the "Top 10".
 
   December 2020 was about 2 to 5 degrees above normal.
   Precipitation totals for December 2020 were about 1/4" to 1" above normal for all sites, except Burlington, which was a little below      normal.
   Snowfall totals for December 2020 were about 1-6 inches above normal for Dubuque and Moline.
   Please see Dec Records for monthly record information.
 
 
The climate maps below are courtesy of the Midwest Regional Climate Center.
These maps become available around 10am on the first of the month.
           
Average
Temperature
Average
Temperature
Departure from Mean
Accumulated
Precipitation
Accumulated
Precipitation
Percent of Mean
Accumulated
Snowfall
Accumulated
Snowfall
Percent of Mean
NA NA NA NA NA NA
 
 
 
 
Climate/Almanac Data   -   Annual Normals     -     Annual Records
 
2020 Annual Climate
 

 Site
 (Click site name for report courtesy of the
   Iowa Environmental Mesonet.)

Avg
Temp
Normal Dept
From
Norm
Precip
Total
Normal Dept
From
Norm
Snowfall
Total
Normal Dept
From
Norm
  Burlington 52.7° 53.0° -0.3° 29.83" 38.48" -8.65" NA 23.5" NA
  Cedar Rapids 48.7° 48.2° +0.5° 31.55" 34.61" -3.06" NA 26.7" NA
  Davenport 51.0° 49.3° +1.7° 38.34" 36.03" -2.31" 40.4" NA NA
  Dubuque 48.3° 47.3° +1.0° 31.91" 36.29" -4.38" 41.2" 41.9" -0.7"
  Iowa City 51.3° 50.0° +1.3°   34.86"   36.28" -1.42" NA NA NA
  Moline 52.9° 50.7° +2.2° 36.40" 37.96" -1.56" 39.3" 31.6" +7.7"
The ranking is listed in parentheses (__) when within the "Top 10".
 
2020 temperatures were up to 2 degrees above normal.
Precipitation totals for 2020 ranged from 1.0 to 9.0 inches below normal, with most sites indicating Record Low precipitation.
Snowfall totals for 2020 were about 8 inches above normal at Moline, and almost an inch below normal at Dubuque.
Please see Annual Records for annual record information.
 
 
The climate maps below are courtesy of the Midwest Regional Climate Center.
These maps will be updated on January 1.
 
Average
Temperature
Average
Temperature
Departure from Mean
Accumulated
Precipitation
Accumulated
Precipitation
Percent of Mean
Accumulated
Snowfall
Accumulated
Snowfall
Percent of Mean
NA NA NA NA NA NA
 
2020 Climate Graphs
 
Burlington, IA Cedar Rapids, IA Dubuque, IA Moline, IL
 
 
A LOOK AHEAD
 
 
January
Temperature Outlook
January
Precipitation Outlook
January - March
Temperature Outlook
January - March
Precipitation Outlook
NA NA NA NA