Weather Averages for San Antonio, TX

Weather Averages for
San Antonio, TX

Latitude: 29°23'N, Longitude: 98°35'W, Elevation: 210.0 m, Distance: 4.22 km

	Unit	Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average temperature over 54 years	°C	21	10	12	17	21	25	27	29	29	26	21	16	12
Average high temperature over 54 years	°C	26	16	18	23	26	30	33	35	35	32	27	21	17
Average low temperature over 54 years	°C	15	5	7	10	15	19	22	23	23	21	16	10	6
Highest recorded temperature over 54 years	°C	42	32	35	38	42	40	41	42	41	40	37	33	31
Lowest recorded temperature over 54 years	°C	-15	-15	-12	-6	0	7	12	16	15	5	1	-6	-12
Average number of rainy days over 54 years	days	75	7	7	6	7	8	6	4	5	6	6	6	7
Average number of days above 27°C over 12 years	days	54	1	1	3	9	22	28	27	17	4	1	31	144
Average precipitation over 54 years	cm	71.4	3.6	4.3	3.6	6.1	9.1	7.9	4.1	6.6	9.7	7.9	4.8	3.3
Average dew point over 10 years	°C	12	3	5	8	11	17	20	20	20	18	14	9	3
Average number of days with thunderstorms over 41 years	days	37	1	2	2	4	6	5	3	5	4	3	1	1
Average number of days with fog over 41 years	days	118	13	12	12	13	13	6	3	3	8	11	12	12
Average morning relative humidity over 10 years	%	76.9	72.2	75.2	75.8	72.5	78.9	79.7	79.8	81.9	80.6	78.8	76.7	70.9
Average evening relative humidity over 10 years	%	52.2	54	55.1	53.1	47.5	55.4	54.4	47.5	46.2	51.1	53.6	54.7	54.4
Average wind speed over 12 years	km/h	17.7	9.7	9.7	9.7	12.9	9.7	8.0	8.0	8.0	8.0	8.0	8.0	8.0
Average snowfall over 44 years	cm	2.0	1.5	0.5	-	-	-	-	-	-	-	-	-	-
Most rain reported in a day over 54 years	cm	20.6	8.9	6.1	8.4	8.6	11.9	11.9	10.2	12.4	20.6	12.7	10.9	9.4
Most rain reported in a month over 54 years	cm	122.7	22.9	15.0	9.4	25.9	25.9	34.3	15.5	38.4	34.3	22.9	13.0	16.3
Least rain reported in a month over 54 years	cm	22.9	-	-	-	0.3	0.3	-	-	-	0.3	-	-	-
Heating degree days over 53 years	days	1404	417	279	140	31	1	-	-	-	-	22	173	341
Cooling degree days over 53 years	days	3267	12	23	82	198	377	536	633	631	460	236	63	16
Most snow reported in a month over 44 years	cm	50.8	50.8	9.9	-	-	-	-	-	-	-	-	-	-
Average possibility of clouds over 10 years	%	50.4	56.4	57.3	56.1	56.4	62.1	49.7	35.7	36	40.4	45.8	54.1	56
Average number of snowy days over 44 years	days	2	1	1	-	-	-	-	-	-	-	-	-	-
Average number of days below -1°C over 54 years	days	15	6	3	1	-	-	-	-	-	-	-	1	4
Average number of days below -7.5°C over 54 years	days	2	1	-	-	-	-	-	-	-	-	-	-	1
Most snow reported in a day over 44 years	cm	41.1	6.3	-	-	-	-	-	-	-	-	-	-	34.8
Deepest snow cover reported over 44 years	cm	30.5	30.5	10.2	-	-	-	-	-	-	-	-	-	-
Average wet bulb point over 10 years	°C	16	7	8	12	15	20	22	22	23	21	17	12	7

Check weather averages for nearby locations (some locations might offer more data):

Latitude: 29°31'N, Longitude: 98°28'W, Elevation: 242.0 m, Distance: 3.09 km

Latitude: 29°32'N, Longitude: 98°28'W, Elevation: 242.0 m, Distance: 3.60 km

Latitude: 29°22'N, Longitude: 98°34'W, Elevation: 207.9 m, Distance: 4.64 km

Latitude: 29°21'N, Longitude: 98°27'W, Elevation: 182.0 m, Distance: 5.94 km

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Weather Averages San Antonio, TX