National Weather Service United States Department of Commerce

 2021 Climate Statistics for Springfield, IL

 

Springfield temperature trends

Temperature trends (click to enlarge)

 

Springfield precipitation trends

Precipitation trends (click to enlarge)

 

Springfield snowfall trends

Snowfall trends (click image to enlarge)

 

 

Interactive graphs available at 
https://www.weather.gov/wrh/climate?wfo=ilx

CLIMATE REPORT...CORRECTED
NATIONAL WEATHER SERVICE LINCOLN IL
902 PM CST WED JAN 19 2022

ADDED DATE OF 24-HOUR SNOWFALL AND TABLE OF RECORDS SET

...................................

...THE SPRINGFIELD IL CLIMATE SUMMARY FOR THE YEAR OF 2021...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1879 TO 2021

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR'S         
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)       
                                          NORMAL                       
................................................................
TEMPERATURE (F)
RECORD
 HIGH            112   07/14/1954                                      
 LOW             -24   02/13/1905                                      
HIGHEST           99   06/18         MM      MM       94  06/08        
                                                          06/06        
LOWEST            -8   02/16         MM      MM       -5  02/14        
AVG. MAXIMUM    64.4               64.1     0.3     64.0               
AVG. MINIMUM    44.8               44.0     0.8     44.0               
MEAN            54.6               54.0     0.6     54.0               
DAYS MAX >= 90    20               28.2    -8.2       27               
DAYS MAX <= 32    24               29.6    -5.6       17               
DAYS MIN <= 32   107              110.8    -3.8                        
DAYS MIN <= 0      8                4.8     3.2        2               

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       58.21   1882                                            
 MINIMUM       22.76   1914                                            
TOTALS         46.98              38.04    8.94    39.92               
DAILY AVG.      0.13                                0.11               
DAYS >= .01      120              114.7     5.3      121               
DAYS >= .10       74               68.2     5.8       76               
DAYS >= .50       35               25.0    10.0       29               
DAYS >= 1.00      14                8.7     5.3        8               
GREATEST
 24 HR. TOTAL   2.84   08/08 TO 08/09               2.35               

SNOWFALL (INCHES)
RECORDS
 TOTAL          47.7   1960                                            
 24 HR TOTAL    17.4   03/24/2013 TO 03/25/2013                        
TOTALS          20.7               21.8    -1.1     18.7               
DAYS >= TRACE     35               16.3    18.7       31               
DAYS >= 1.0        8                6.2     1.8        7               
GREATEST
 SNOW DEPTH        7   02/16                           3               
                       02/18                                           
 24 HR TOTAL     5.8   02/15                         3.2               

DEGREE DAYS
HEATING TOTAL   4976               5215    -239     5102               
COOLING TOTAL   1358               1252     106     1203               

FREEZE DATES
RECORD
 EARLIEST     09/20/1991                                               
 LATEST       05/10/1966                                               
EARLIEST                        11/02                                  
LATEST                          04/22                                  
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.8                                    
HIGHEST WIND SPEED/DIRECTION    43/200    DATE  12/10                  
HIGHEST GUST SPEED/DIRECTION    70/300    DATE  06/19                  

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM                                       
AVERAGE SKY COVER           0.36                                       
NUMBER OF DAYS FAIR          209                                       
NUMBER OF DAYS PC             87                                       
NUMBER OF DAYS CLOUDY         69                                       

AVERAGE RH (PERCENT)     71                                            

WEATHER CONDITIONS. NUMBER OF DAYS WITH 
THUNDERSTORM             46     MIXED PRECIP               0          
HEAVY RAIN               49     RAIN                      56           
LIGHT RAIN              128     FREEZING RAIN              2           
LT FREEZING RAIN          5     HAIL                       0          
HEAVY SNOW                1     SNOW                       5           
LIGHT SNOW               32     SLEET                      2           
FOG                     182     FOG W/VIS <= 1/4 MILE     17           
HAZE                     40                                            

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




RECORDS ESTABLISHED DURING THE YEAR:

JANUARY:
* RECORD DAILY PRECIPITATION OF 1.13 INCHES ON THE 30TH

FEBRUARY:
* RECORD COLD HIGH TEMPERATURE OF 4 DEGREES ON THE 14TH
* RECORD COLD HIGH TEMPERATURE OF 3 DEGREES ON THE 15TH

MARCH:
* RECORD DAILY PRECIPITATION OF 1.46 INCHES ON THE 18TH

APRIL:
* RECORD DAILY SNOWFALL OF 0.3 INCHES ON THE 20TH
* TIED RECORD LOW TEMPERATURE OF 28 DEGREES ON THE 21ST
* RECORD LOW TEMPERATURE OF 29 DEGREES ON THE 22ND

MAY:
* RECORD LOW TEMPERATURE OF 35 DEGREES ON THE 13TH

JUNE:
* RECORD HIGH TEMPERATURE OF 96 DEGREES ON THE 12TH
* RECORD HIGH TEMPERATURE OF 99 DEGREES ON THE 18TH

JULY:
* RECORD COLD HIGH TEMPERATURE OF 68 DEGREES ON THE 31ST

AUGUST:
* RECORD DAILY RAINFALL OF 2.18 INCHES ON THE 9TH

SEPTEMBER:
* RECORD DAILY RAINFALL OF 2.36 INCHES ON THE 4TH
* TIED RECORD HIGH TEMPERATURE OF 91 DEGREES ON THE 27TH

OCTOBER:
* 9TH WETTEST OCTOBER ON RECORD AT 5.81 INCHES
* RECORD DAILY RAINFALL OF 2.14 INCHES ON THE 24TH

NOVEMBER:
* TIED 7TH DRIEST NOVEMBER ON RECORD AT 0.51 INCHES

DECEMBER:
* 3RD WARMEST DECEMBER ON RECORD AT 41.9 DEGREES
* RECORD WARM LOW TEMPERATURE OF 55 DEGREES ON THE 15TH
* RECORD HIGH TEMPERATURE OF 66 DEGREES ON THE 16TH