Weather Averages for San Antonio, TX

Weather Averages for
San Antonio, TX

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

	Unit	Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average temperature over 48 years	°C	20	10	12	16	21	24	27	29	29	26	21	15	11
Average high temperature over 48 years	°C	26	16	18	23	26	30	33	35	35	32	27	21	17
Average low temperature over 48 years	°C	14	3	6	10	14	18	22	23	23	20	15	8	5
Highest recorded temperature over 48 years	°C	42	31	36	37	37	39	40	41	42	39	37	34	32
Lowest recorded temperature over 48 years	°C	-	-	-14	-7	0	6	11	16	16	7	-2	-6	-14
Average number of rainy days over 51 years	days	82	8	8	7	7	9	6	4	5	7	6	7	8
Average number of days above 27°C over 48 years	days	113	-	-	1	2	9	22	28	28	18	4	-	-
Average precipitation over 48 years	cm	77.0	4.3	4.8	4.1	6.6	10.7	9.1	4.8	6.3	8.1	8.1	5.3	4.3
Average dew point over 48 years	°C	12	3	5	7	12	17	20	20	20	18	13	8	5
Most recorded rainfall over 48 years	cm	132.8	21.6	16.3	15.5	23.6	32.5	30.2	21.1	28.2	33.3	24.9	15.2	35.6
Least recorded rainfall over 48 years	cm	34.8	-	-	-	0.3	0.5	-	-	-	1.3	-	-	-
Average number of days with thunderstorms over 48 years	days	37	1	1	3	4	6	5	3	4	4	3	2	1
Average number of days with fog over 48 years	days	120	14	12	13	13	12	6	4	4	7	10	12	13
Average morning relative humidity over 48 years	%	83	80	80	79	82	87	88	87	86	85	83	81	80
Average evening relative humidity over 48 years	%	47	51	48	45	48	52	49	43	42	46	46	48	50
Average wind speed over 48 years	km/h	16.1	16.1	17.7	17.7	17.7	17.7	17.7	16.1	14.5	14.5	14.5	16.1	16.1
Average number of days below -1.5°C over 48 years	days	22	8	5	1	-	-	-	-	-	-	-	2	6
Average snowfall over 51 years	cm	1.8	1.3	0.5	-	-	-	-	-	-	-	-	-	-
Average number of clear days over 51 years	days	106	9	8	9	7	6	7	9	10	9	12	10	10
Heating degree days over 30 years	days	1644	494	332	167	32	-	-	-	-	-	30	180	409
Cooling degree days over 30 years	days	2996	8	10	64	161	326	516	620	617	429	191	42	12
Average possibility of sunshine over 51 years	%	60	47	51	57	56	56	67	75	74	67	64	54	48
Average number of cloudy days over 51 years	days	141	16	14	15	15	14	8	7	6	9	9	13	15
Average number of partly cloudy days over 51 years	days	118	6	6	7	8	11	15	15	15	12	10	7	6
Average number of days above 22°C over 48 years	days	206	1	3	9	18	27	30	31	31	28	21	6	1
Average number of days below 4.5°C over 48 years	days	90	23	17	11	3	-	-	-	-	-	2	13	21

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