MONTHLY CLIMATOLOGICAL SUMMARY for DEC. 2025

NAME: Sumner Illinois Weather   CITY: Sumner   STATE: IL 
ELEV:   449 ft  LAT:  38° 43' 02" N  LONG:  87° 51' 39" W

                   TEMPERATURE (°F), RAIN  (in), WIND SPEED (mph)

                                      HEAT  COOL        AVG
    MEAN                              DEG   DEG         WIND                 DOM
DAY TEMP  HIGH   TIME   LOW    TIME   DAYS  DAYS  RAIN  SPEED HIGH   TIME    DIR
------------------------------------------------------------------------------------
 1  27.7  31.9  12:30p  23.6   1:30a  37.3   0.0  0.00   2.6  13.0   9:30a     N
 2  23.2  28.2  12:30a  21.3   6:30a  41.8   0.0  0.01   4.7  19.0   2:30a   WNW
 3  27.2  30.1   7:30p  22.5   1:30a  37.8   0.0  0.00   4.0  18.0   2:00p     S
 4  26.0  31.4   2:30a  21.6  10:00a  39.0   0.0  0.01   5.1  19.0   5:00a     N
 5  26.8  38.4   4:00p  15.1   6:30a  38.2   0.0  0.02   2.8  13.0  11:30p     S
 6  36.5  47.8   3:30p  28.8   7:00a  28.5   0.0  0.00   3.4  12.0   1:30a    SE
 7  36.6  41.1  12:30p  33.4  12:00m  28.4   0.0  0.00   4.5  19.0  10:00p     N
 8  27.9  33.7   3:00p  20.4  11:30p  37.1   0.0  0.00   3.3  15.0   1:30a     N
 9  37.1  47.2   2:00p  21.2  12:30a  27.9   0.0  0.00   7.9  27.0  10:00p     S
10  37.6  43.4  10:30a  31.4  11:30p  27.4   0.0  0.09  10.3  32.0  12:00p   WNW
11  31.5  34.1   3:00p  30.2   7:30a  33.5   0.0  0.00   3.1  13.0   3:30a     W
12  32.3  37.1  12:00p  29.8   7:00a  32.0   0.0  0.28   3.3  12.0  10:30p   WNW
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
-------------------------------------------------------------------------------------
    30.9  47.8     6    15.1     5   408.9   0.0  0.41   4.6  32.0    10       N

Max >=  90.0:  0
Max <=  32.0:  4
Min <=  32.0: 11
Min <=   0.0:  0
Max Rain: 0.28 ON 12/12/25
Days of Rain: 3 (>.01 in) 1 (>.1 in) 0 (>1 in)
Heat Base:  65.0  Cool Base:  65.0  Method: Integration