San Antonio weather by month

Check out San Antonio weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in San Antonio (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
59°F maximum daytime temperature in January in San Antonio59
59°F maximum daytime temperature in February in San Antonio59
61°F maximum daytime temperature in March in San Antonio61
64°F maximum daytime temperature in April in San Antonio64
72°F maximum daytime temperature in May in San Antonio72
79°F maximum daytime temperature in June in San Antonio79
84°F maximum daytime temperature in July in San Antonio84
84°F maximum daytime temperature in August in San Antonio84
81°F maximum daytime temperature in September in San Antonio81
73°F maximum daytime temperature in October in San Antonio73
66°F maximum daytime temperature in November in San Antonio66
61°F maximum daytime temperature in December in San Antonio61
Min temperature (night-time)
46°F minimum night-time temperature in January in San Antonio46
46°F minimum night-time temperature in February in San Antonio46
46°F minimum night-time temperature in March in San Antonio46
50°F minimum night-time temperature in April in San Antonio50
55°F minimum night-time temperature in May in San Antonio55
63°F minimum night-time temperature in June in San Antonio63
68°F minimum night-time temperature in July in San Antonio68
70°F minimum night-time temperature in August in San Antonio70
66°F minimum night-time temperature in September in San Antonio66
59°F minimum night-time temperature in October in San Antonio59
52°F minimum night-time temperature in November in San Antonio52
46°F minimum night-time temperature in December in San Antonio46
Heat & Humidity
No heat & humidity in January in San Antonio0
No heat & humidity in February in San Antonio0
No heat & humidity in March in San Antonio0
No heat & humidity in April in San Antonio0
No heat & humidity in May in San Antonio0
Low heat & humidity in June in San AntonioL
Moderate heat & humidity in July in San AntonioM
Moderate heat & humidity in August in San AntonioM
Low heat & humidity in September in San AntonioL
No heat & humidity in October in San Antonio0
No heat & humidity in November in San Antonio0
No heat & humidity in December in San Antonio0
Sea temperature
59°F sea temperature in January in San Antonio59
57°F sea temperature in February in San Antonio57
59°F sea temperature in March in San Antonio59
61°F sea temperature in April in San Antonio61
64°F sea temperature in May in San Antonio64
72°F sea temperature in June in San Antonio72
77°F sea temperature in July in San Antonio77
79°F sea temperature in August in San Antonio79
77°F sea temperature in September in San Antonio77
72°F sea temperature in October in San Antonio72
66°F sea temperature in November in San Antonio66
61°F sea temperature in December in San Antonio61

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in San Antonio

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
10 hours of daylight per day in January in San Antonio10
11 hours of daylight per day in February in San Antonio11
12 hours of daylight per day in March in San Antonio12
13 hours of daylight per day in April in San Antonio13
14 hours of daylight per day in May in San Antonio14
15 hours of daylight per day in June in San Antonio15
15 hours of daylight per day in July in San Antonio15
14 hours of daylight per day in August in San Antonio14
12 hours of daylight per day in September in San Antonio12
11 hours of daylight per day in October in San Antonio11
10 hours of daylight per day in November in San Antonio10
9 hours of daylight per day in December in San Antonio9
UV Index (Maximum)
UV (maximum) index 2 (Low) in January in San Antonio2
UV (maximum) index 3 (Moderate) in February in San Antonio3
UV (maximum) index 5 (Moderate) in March in San Antonio5
UV (maximum) index 6 (High) in April in San Antonio6
UV (maximum) index 8 (Very High) in May in San Antonio8
UV (maximum) index 9 (Very High) in June in San Antonio9
UV (maximum) index 9 (Very High) in July in San Antonio9
UV (maximum) index 8 (Very High) in August in San Antonio8
UV (maximum) index 6 (High) in September in San Antonio6
UV (maximum) index 4 (Moderate) in October in San Antonio4
UV (maximum) index 3 (Moderate) in November in San Antonio3
UV (maximum) index 2 (Low) in December in San Antonio2

Rainfall in San Antonio

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
14 days with some rainfall in January in San Antonio14
12 days with some rainfall in February in San Antonio12
12 days with some rainfall in March in San Antonio12
10 days with some rainfall in April in San Antonio10
8 days with some rainfall in May in San Antonio8
6 days with some rainfall in June in San Antonio6
3 days with some rainfall in July in San Antonio3
5 days with some rainfall in August in San Antonio5
6 days with some rainfall in September in San Antonio6
11 days with some rainfall in October in San Antonio11
11 days with some rainfall in November in San Antonio11
13 days with some rainfall in December in San Antonio13
Average monthly rainfall (inches)
1.5 inches monthly rainfall in January in San Antonio1.5
1.2 inches monthly rainfall in February in San Antonio1.2
1.6 inches monthly rainfall in March in San Antonio1.6
1.5 inches monthly rainfall in April in San Antonio1.5
1.1 inches monthly rainfall in May in San Antonio1.1
0.7 inches monthly rainfall in June in San Antonio0.7
0.3 inches monthly rainfall in July in San Antonio0.3
1.1 inches monthly rainfall in August in San Antonio1.1
1.8 inches monthly rainfall in September in San Antonio1.8
2.9 inches monthly rainfall in October in San Antonio2.9
2.1 inches monthly rainfall in November in San Antonio2.1
2.2 inches monthly rainfall in December in San Antonio2.2

More about San Antonio

San Antonio by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Ibiza (San Antonio) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in San Antonio?

San Antonio has a cool semi arid climate with hot summers.

Metric (°C)  |  Imperial (°F)

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Compare San Antonio with the USA

Below the San Antonio chart shows average maximum daytime temperature for San Antonio, Ibiza, Balearic Islands, Spain and the USA (Washington).

Maximum daytime temperature (°F)

San Antonio, Ibiza, Balearic Islands, Spain
USA (Washington)
59
41
59
45
61
55
64
66
72
75
79
84
84
88
84
86
81
79
73
68
66
57
61
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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