499
CXUS51 KILN 012142
CLMDAY
CLIMATE REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
442 PM EST THU JAN 01 2026
...............................
..THE DAYTON OH CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1869 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
............................................................
TEMPERATURE (F)
RECORD
HIGH 72 12/06/1998
12/02/1982
LOW -20 12/22/1989
HIGHEST 68 12/28 39 29 61 12/28
LOWEST -2 12/14 24 -26 13 12/02
12/15
12/06
AVG. MAXIMUM 38.8 41.5 -2.7 43.5
AVG. MINIMUM 23.2 27.1 -3.9 29.9
MEAN 31.0 34.3 -3.3 36.7
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 10 8.2 1.8 8
DAYS MIN <= 32 24 23.3 0.7 17
DAYS MIN <= 0 2 0.4 1.6 0
PRECIPITATION (INCHES)
TOTALS 1.76 3.05 -1.29 4.86
DAILY AVG. 0.06 0.10 -0.04 0.16
DAYS >= .01 12 11.8 0.2 15
DAYS >= .10 5 6.2 -1.2 10
DAYS >= .50 1 2.1 -1.1 4
DAYS >= 1.00 0 0.6 -0.6 1
GREATEST
24 HR. TOTAL 0.63 12/18 TO 12/19 1.65 12/29 TO 12/29
SNOWFALL (INCHES)
TOTALS 9.9 4.8 5.1 1.7
SINCE 7/1 14.6 5.8 8.8 3.8
DAYS >= TRACE 12 4.9 7.1 10
DAYS >= 1.0 3 1.6 1.4 0
GREATEST
24 HR TOTAL 3.7 12/13 TO 12/13 0.8 12/11 TO 12/11
DEGREE DAYS
HEATING TOTAL 1046 952 94 868
SINCE 7/1 2055 1942 113 1617
COOLING TOTAL 0 0 0 0
SINCE 1/1 1184 1153 31 1328
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WIND (MPH)
AVERAGE WIND SPEED 11.5
RESULTANT WIND SPEED/DIRECTION 6/240
HIGHEST WIND SPEED/DIRECTION 40/260 DATE 12/29
HIGHEST GUST SPEED/DIRECTION 55/280 DATE 12/29
SKY COVER
AVERAGE SKY COVER 0.81
AVERAGE RH (PERCENT) 74
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 4
LIGHT RAIN 10 FREEZING RAIN 0
LT FREEZING RAIN 1 HAIL 0
HEAVY SNOW 1 SNOW 3
LIGHT SNOW 12 SLEET 0
FOG 17 FOG W/VIS <= 1/4 MILE 3
HAZE 8
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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