Temperature Data | Precipitation Data | Detailed Data

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Annual Climatology: St. Louis, MO (STL)

Elev: 586 ft    Lat: 38^o 45'N    Long: 90^o 22'W

Figure 1: Average Temperatures and Precipitation 1971-2000. (NCDC Data)

Temperature Data (^oF) :

Month	Daily Max	Daily Min	Mean	Maximum Daily Temperature	Minimum Daily Temperature
January	37.9	21.2	29.6	77	-18
February	44.3	26.5	35.4	85	-12
March	55.4	36.2	45.8	89	-5
April	66.7	46.5	56.6	93	22
May	76.5	56.6	66.5	98	31
June	85.3	65.9	75.6	105	43
July	89.8	70.6	80.2	115	51
August	87.9	68.6	78.2	107	47
September	80.1	60.3	70.2	104	36
October	68.3	48.2	58.3	94	23
November	53.8	36.7	45.3	85	1
December	42.0	25.8	33.9	76	-16
Annual	65.7	46.9	56.3	115	-18

Precipitation Data (in):

Month	Mean	Median	Extreme	Year	Snow*
January	2.14	1.83	5.38	1975	7.2
February	2.28	2.04	4.68	1986	4.7
March	3.60	3.26	6.67	1978	3.2
April	3.69	3.24	10.32	1994	0.8
May	4.11	3.78	12.92	1995	0.0
June	3.76	3.24	9.43	1985	0.0
July	3.90	3.62	10.71	1981	0.0
August	2.98	2.78	5.56	1987	0.0
September	2.96	2.56	9.16	1993	0.0
October	2.76	2.32	7.12	1984	Tr
November	3.71	3.31	9.95	1985	1.5
December	2.86	2.06	7.82	1982	4.8
Annual	38.75	37.54			22.2

* Snowfall totals represent mean snowfall 1971-2000

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