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United States of America

CHARLESTON, ILLINOIS


Home > North America > United States > Illinois
Elevation: 659 feet     Latitude: 39 28N     Longitude: 088 10W

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MONTHLY - ALL WEATHER AVERAGES   [ Show Summary ]
[ °C ]   °F
TEMPERATURE 
Average Temperature
Years on Record: 115  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
F 53.828.631.842.353.96472.876.774.868.256.743.532.1

Average High Temperature
Years on Record: 115  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
F 6436.840.652.164.975.28487.88679.968.152.740

Average Low Temperature
Years on Record: 115  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
F 43.520.423.132.542.852.761.665.463.656.445.334.324.2

Highest Recorded Temperature
Years on Record: 115  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
F 11071758992101108110107104968473

Lowest Recorded Temperature
Years on Record: 115  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
F -27-27-23-1417263545392511-2-20

Average Number of Days Above 90F/32C
Years on Record: 115  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days 33.9------------1.27.111.99.440.2------

Average Number of Days Below 32F/0C
Years on Record: 115  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days 111.52622.616.64.90.4---------0.13.413.524

Average Number of Days Below 0F/-17C
Years on Record: 115  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days 5.62.81.50.1------------------------1.2



PRECIPITATION 
Average Precipitation
Years on Record: 115  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
in 39.92.52.13.53.84.34.143.33.43.13.22.7

Average Number of Days With Precipitation
Years on Record: 115  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days 1089810111110887899

Most Reported Precipitation in a Month
Years on Record: 115  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
in 14.19.85.810.68.611.61410.110.414.19.311.68.3

Least Reported Precipitation in a Month
Years on Record: 115  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
in ------0.10.40.20.50.70.30.30.10.20.2---

Most Precipitation Reported in a Day
Years on Record: 115  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
in 6.52.62.74.23.54.76.55.24.563.62.82.9

Avg. No. of Days w/Precip. Above 0.2in/5mm
Years on Record: 115  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days 73557887655566

Avg. # of Days w/Precip. Above 0.4in/10mm
Years on Record: 115  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days 27212333322222

Avg. No. of Days w/Precip. Above 1in/25mm
Years on Record: 115  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days 111---1111111111



PRECIPITATION - RAIN 
Average Number of Rainy Days
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days107.68.68.1101110.99.58.47.87.47.68.69

Most Rain Reported in a Day
Years on Record: 101  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
in6.52.72.24.23.44.36.55.24.563.62.82.9

Most Rain Reported in a Month
Years on Record: 101  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
in569.85.510.68.610.81410.110.414.18.911.68.3

Least Rain Reported in a Month
Years on Record: 101  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
in25.4---0.10.40.20.50.70.30.40.10.20.20.1



PRECIPITATION - SNOW 
Average Snowfall
Years on Record: 115  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
in 18.96.14.430.2------------------1.14.1

Most Snow Reported in a Month
Years on Record: 115  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
in 32.132.124164---------------110.617.4



DEGREE DAYS 
Heating Degree Days
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days 531011829186903451348---7572946461029

Cooling Degree Days
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days 1159---------710024135430013522------

Growing Degree Days
Years on Record: 115  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days3585.2---------117434684827.7768.8546207.7------







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