National Weather Service United States Department of Commerce
Climate/Almanac Data   -    May Normals     -     May Records
 
May
 

 Site
 
(Click site name for report)

Avg
Temp
Normal Dept
From
Norm
Precip
Total
Normal Dept
From
Norm
  Burlington 59.9° 63.7° -3.8° 4.27" 4.85" -0.58"
  Cedar Rapids 57.1° 60.1° -3.0° 2.49" 4.15" -1.66"
  Davenport 59.5° 60.8° -1.3° 5.30" 4.25" +1.05"
  Dubuque 56.6° 58.8° -2.2° 4.91" 4.19" +0.72"
  Iowa City 59.3° 61.4° -2.1° 4.99" 4.21" +0.78"
  Moline 59.9° 61.8° -1.9° 4.94" 4.32" +0.62"
The ranking is listed in parentheses (__) when within the "Top 10".
 
   May 2020 was about 1 to 4 degrees below normal.
   Precipitation totals for May 2020 were about 1 inch above normal to 1.5 inches below normal.
   Please see May 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
NA NA NA NA
 
 
 
 
Climate/Almanac Data   -   Spring Normals     -     Spring Records
 
Spring
(Mar-May)
 

 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 51.2° 53.0° -1.8° 9.15" 11.40" -2.25" NA 2.0" NA
  Cedar Rapids 48.0° 48.6° -0.6° 6.64" 9.30" -2.66" NA 4.1" NA
  Davenport 50.1° 49.8° +0.3° 10.65" 10.28" +0.37" 10.5" NA NA
  Dubuque 47.0° 47.4° -0.4° 10.03" 10.26" -0.23" 1.9" 8.3" -6.4"
  Iowa City 51.1° 50.3° +0.8° 10.67" 9.93" +0.74" NA NA NA
  Moline 50.9° 50.8° +0.1° 10.72" 10.77" -0.05" 11.6" 4.9" +6.7"
The ranking is listed in parentheses (__) when within the "Top 10".
 
   Spring 2020 was 0.3 degrees above nomral to 1.8 degrees below normal.
   Precipitation totals for Spring 2020 were +0.74 inches above normal to about normal to 2.5 inches below normal.
   Snowfall totals for Spring 2020 were around 6.5 inches above normal at Moline and 6.5 inches below normal at Dubuque.
   Please see Spring Records for seasonal 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
 
 
A LOOK AHEAD
 
Climate Prediction Center
 
June
Temperature Outlook
June
Precipitation Outlook
June - August
Temperature Outlook
June - August
Precipitation Outlook
NA NA NA NA