Climatological Report (Monthly)
Issued by NWS St Louis, MO
Issued by NWS St Louis, MO
140
CXUS53 KLSX 011135
CLMSTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
635 AM CDT SAT NOV 01 2025
...................................
...THE ST. LOUIS CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 94 10/03/2006
10/11/1963
10/02/1953
LOW 21 10/30/1925
HIGHEST 89 10/02 88
10/03
LOWEST 39 10/24 35
10/31
AVG. MAXIMUM 72.9 69.2 3.7 76.4
AVG. MINIMUM 53.9 49.1 4.8 50.6
MEAN 63.4 59.1 4.3 63.5
DAYS MAX >= 90 0 0.4 -0.4 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.6 -0.6 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 12.38 2009
MINIMUM 0.21 1975
TOTALS 3.20 3.15 0.05 0.82
DAILY AVG. 0.10 0.10 -0.00 0.03
DAYS >= .01 6 8.5 -2.5 2
DAYS >= .10 4 5.6 -1.6 1
DAYS >= .50 2 2.4 -0.4 1
DAYS >= 1.00 1 0.8 0.2 0
GREATEST
24 HR. TOTAL 2.06 10/18 TO 10/19
SNOWFALL (INCHES)
RECORDS
TOTAL 0.3 1913
24 HR TOTAL 0.3 10/29/1913 TO 10/29/1913
TOTALS 0.0 0.0 0.0 0.0
SINCE 7/1 0.0 0.0 0.0 MM
DAYS >= 1.0 0 0
GREATEST
SNOW DEPTH 0
24 HR TOTAL MM
DEGREE DAYS
HEATING TOTAL 153 229 -76 112
SINCE 7/1 157 262 -105 MM
COOLING TOTAL 111 48 63 75
SINCE 1/1 1901 1710 191 MM
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WIND (MPH)
HIGHEST WIND SPEED/DIRECTION 32/270 DATE 10/21
HIGHEST GUST SPEED/DIRECTION 44/270 DATE 10/21
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
NUMBER OF DAYS FAIR 14
NUMBER OF DAYS PC 9
NUMBER OF DAYS CLOUDY 8
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 3
LIGHT RAIN 8 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 6 FOG W/VIS <= 1/4 MILE 1
HAZE 2
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
...MONTHLY...
TOP TWENTY WARMEST OCTOBER ON RECORD (63.4 DEGREES).
5TH MOST OCCURRENCES WITH A LOW TEMPERATURE GREATER THAN OR EQUAL TO
60 DEGREES (12 DAYS).
...DAILY...
NO RECORDS OF NOTE.
$$