When is the best time to go to San Antonio
The chart above shows the best time of year to visit San Antonio, United States. These are based on an analysis of weather averages such as temperature, rainfall and number of hours of sunshine. These ratings are based solely on the climate and do not take into account other factors such as accommodation prices and how busy it is likely to be.
Average temperatures in San Antonio
San Antonio weather by month
Please note our recommendations for when to visit San Antonio are based solely on the weather and do not take into accounts accommodation prices, how busy it will be and what events are on.
January
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 14°C | 38mm | 5.5hrs | 11.4hrs |
The weather in January in San Antonio is characteristically cool and reasonably dry.
Although outside the main holiday season, there is still plenty of reasonably acceptable weather around this time of year. This makes it an okay time to visit San Antonio.
January is in the winter in San Antonio and is typically the coldest month of the year. Daytime maximum temperatures average around a cool 16°C (61°F), whilst at night 3°C (38°F) is normal.
On average January is the driest month of the year in San Antonio with around 38mm 1.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.5 hours of sunshine per day.
San Antonio weather in January »
February
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 17°C | 53mm | 6.4hrs | 12hrs |
February in San Antonio is generally reasonably dry with the temperature being mild.
Although outside the main holiday season, there is still plenty of pretty acceptable weather around this time of year. This makes it an okay time to visit San Antonio.
February is in the winter in San Antonio and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cool 19°C (66°F), whilst at night 5°C (42°F) is normal.
On average February is the 2nd driest month of the year in San Antonio with around 53mm 2.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.4 hours of sunshine per day.
San Antonio weather in February »
March
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 21°C | 37mm | 7.2hrs | 12.8hrs |
The weather in March in San Antonio is characteristically mild and reasonably dry.
It is perhaps the perfect month to visit San Antonio, with some extremely good weather at this time of year.
March is in the spring in San Antonio and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a comfortable 23°C (73°F), whilst at night 10°C (49°F) is normal.
On average March is the 3rd driest month of the year in San Antonio with around 37mm 1.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.2 hours of sunshine per day.
San Antonio weather in March »
April
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 25°C | 59mm | 7.3hrs | 13.7hrs |
San Antonio's weather in April is typically warm and reasonably dry in nature.
It is perhaps the perfect month to visit San Antonio, with some inordinately good weather at this time of year.
April is in the spring in San Antonio and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a comfortable 27°C (81°F), whilst at night 15°C (59°F) is normal.
On average April is the 4th driest month of the year in San Antonio with around 59mm 2.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.3 hours of sunshine per day.
San Antonio weather in April »
May
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 27°C | 94mm | 7.6hrs | 14.4hrs |
May is a a little damp, humid month in San Antonio and the temperature is generally hot.
Although outside the main holiday season, there is still plenty of quite acceptable weather around this time of year. This makes it a good time to visit San Antonio.
May is in the spring in San Antonio and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a muggy 30°C (86°F), whilst at night 19°C (66°F) is normal.
On average May is the 5th driest month of the year in San Antonio with around 94mm 3.7 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.6 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 30°C | 73mm | 9.8hrs | 11.4hrs |
June is a reasonably dry month in San Antonio and the temperature is generally hot.
Based on weather alone, this is probably a time of year to avoid going to San Antonio for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
June is in the summer in San Antonio and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a warm 33°C (92°F), whilst at night 22°C (72°F) is normal.
On average June is the 6th driest month of the year in San Antonio with around 73mm 2.9 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.8 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 32°C | 39mm | 10.6hrs | 12hrs |
July in San Antonio is generally reasonably dry with the temperature being very hot.
Although outside the main holiday season, there is still plenty of quite acceptable weather around this time of year. This makes it an okay time to visit San Antonio.
July is in the summer in San Antonio and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a warm 35°C (95°F), whilst at night 24°C (74°F) is normal.
On average July is the 6th wettest month of the year in San Antonio with around 39mm 1.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.
On the flip side this corresponds to an average of 10.6 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 32°C | 55mm | 10hrs | 12.8hrs |
The weather in August in San Antonio is characteristically very hot and reasonably dry.
Although outside the main holiday season, there is still plenty of pretty acceptable weather around this time of year. This makes it an okay time to visit San Antonio.
August is in the summer in San Antonio and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a warm 35°C (96°F), whilst at night 23°C (74°F) is normal.
On average August is the 5th wettest month of the year in San Antonio with around 55mm 2.2 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.
On the flip side this corresponds to an average of 10 hours of sunshine per day.
San Antonio weather in August »
September
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 29°C | 90mm | 8.3hrs | 13.7hrs |
San Antonio's weather in September is typically hot and a little damp in nature.
Based on weather alone, this is probably a time of year to avoid going to San Antonio for your holidays. The weather is often not a good and not conducive to spending time outdoors.
September is in the fall / autumn in San Antonio and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a warm 32°C (90°F), whilst at night 21°C (69°F) is normal.
On average September is the 4th wettest month of the year in San Antonio with around 90mm 3.5 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.3 hours of sunshine per day.
San Antonio weather in September »
October
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 25°C | 73mm | 7.5hrs | 14.4hrs |
October is a reasonably dry month in San Antonio and the temperature is generally warm.
It is perhaps a good month to visit San Antonio, with some very good weather at this time of year.
October is in the fall / autumn in San Antonio and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 28°C (82°F), whilst at night 15°C (58°F) is normal.
On average October is the 3rd wettest month of the year in San Antonio with around 73mm 2.9 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.5 hours of sunshine per day.
San Antonio weather in October »
November
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 20°C | 50mm | 6.1hrs | 11.4hrs |
San Antonio's weather in November is typically mild and reasonably dry in nature.
It is perhaps the perfect month to visit San Antonio, with some very good weather at this time of year.
November is in the fall / autumn in San Antonio and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around 22°C (72°F), whilst at night 9°C (49°F) is normal.
On average November is the 2nd wettest month of the year in San Antonio with around 50mm 2 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.1 hours of sunshine per day.
San Antonio weather in November »
December
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 16°C | 38mm | 5.2hrs | 12hrs |
December in San Antonio is generally reasonably dry with the temperature being mild.
Although outside the main holiday season, there is still plenty of quite acceptable weather around this time of year. This makes it an okay time to visit San Antonio.
December is in the winter in San Antonio and is typically the warmest month of the year. Daytime maximum temperatures average around a cool 18°C (64°F), whilst at night 5°C (41°F) is normal.
On average December is the wettest month of the year in San Antonio with around 38mm 1.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.2 hours of sunshine per day.
Other monthly averages
San Antonio weather stats
| Hottest month: | July | 34.8°C 94.6°F |
|---|---|---|
| Driest month: | March | 37mm 1.5ins |
| Sunniest month: | July | 10.6hrs |
| Coldest month: | January | 15.8°C 60.4°F |
| Wettest month: | May | 94mm 3.7ins |
| Warmest sea: | August | 29.4°C 84.9°F |
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