San Antonio climate guide

Temperature in San Antonio (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
15°C maximum daytime temperature in January in San Antonio15
15°C maximum daytime temperature in February in San Antonio15
16°C maximum daytime temperature in March in San Antonio16
18°C maximum daytime temperature in April in San Antonio18
22°C maximum daytime temperature in May in San Antonio22
26°C maximum daytime temperature in June in San Antonio26
29°C maximum daytime temperature in July in San Antonio29
29°C maximum daytime temperature in August in San Antonio29
27°C maximum daytime temperature in September in San Antonio27
23°C maximum daytime temperature in October in San Antonio23
19°C maximum daytime temperature in November in San Antonio19
16°C maximum daytime temperature in December in San Antonio16
Min temperature (night-time)
8°C minimum night-time temperature in January in San Antonio8
8°C minimum night-time temperature in February in San Antonio8
8°C minimum night-time temperature in March in San Antonio8
10°C minimum night-time temperature in April in San Antonio10
13°C minimum night-time temperature in May in San Antonio13
17°C minimum night-time temperature in June in San Antonio17
20°C minimum night-time temperature in July in San Antonio20
21°C minimum night-time temperature in August in San Antonio21
19°C minimum night-time temperature in September in San Antonio19
15°C minimum night-time temperature in October in San Antonio15
11°C minimum night-time temperature in November in San Antonio11
8°C minimum night-time temperature in December in San Antonio8
Sea temperature
15°C sea temperature in January in San Antonio15
14°C sea temperature in February in San Antonio14
15°C sea temperature in March in San Antonio15
16°C sea temperature in April in San Antonio16
18°C sea temperature in May in San Antonio18
22°C sea temperature in June in San Antonio22
25°C sea temperature in July in San Antonio25
26°C sea temperature in August in San Antonio26
25°C sea temperature in September in San Antonio25
22°C sea temperature in October in San Antonio22
19°C sea temperature in November in San Antonio19
16°C sea temperature in December in San Antonio16

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

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 (mm)
37 mm monthly rainfall in January in San Antonio37
31 mm monthly rainfall in February in San Antonio31
41 mm monthly rainfall in March in San Antonio41
39 mm monthly rainfall in April in San Antonio39
28 mm monthly rainfall in May in San Antonio28
17 mm monthly rainfall in June in San Antonio17
7 mm monthly rainfall in July in San Antonio7
27 mm monthly rainfall in August in San Antonio27
46 mm monthly rainfall in September in San Antonio46
73 mm monthly rainfall in October in San Antonio73
53 mm monthly rainfall in November in San Antonio53
57 mm monthly rainfall in December in San Antonio57

More climate for San Antonio

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

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

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More about San Antonio

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The climate guide for San Antonio, Ibiza 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.

Metric (°C / mm)  |  Imperial (°F / inches)

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