When is the best time to go to San Antonio

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The chart above shows the best time of year to visit San Antonio, Puerto Rico. 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

San Antonio January weather averages
Temp Rain Sunshine Day length
24°C 81mm 8.5hrs 11.9hrs

The climate in San Antonio during January can be summarized as hot, humid and a little damp.

It is perhaps a good month to visit San Antonio, with some particularly good weather at this time of year.

January is in the winter in San Antonio and is typically the coldest month of the year. Daytime maximum temperatures average around a muggy 26°C (80°F), whilst at night 20°C (68°F) is normal.

On average January is the driest month of the year in San Antonio with around 81mm 3.2 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.5 hours of sunshine per day.

San Antonio weather in January »

February

San Antonio February weather averages
Temp Rain Sunshine Day length
24°C 71mm 8.9hrs 12.3hrs

February in San Antonio is generally reasonably dry with the temperature being warm.

It is perhaps the perfect month to visit San Antonio, with some particularly good weather at this time of year.

February is in the winter in San Antonio and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a muggy 26°C (80°F), whilst at night 19°C (67°F) is normal.

On average February is the 2nd driest month of the year in San Antonio with around 71mm 2.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.9 hours of sunshine per day.

San Antonio weather in February »

March

San Antonio March weather averages
Temp Rain Sunshine Day length
24°C 83mm 9.5hrs 12.7hrs

The weather in March in San Antonio is characteristically hot, humid and a little damp.

It is perhaps the perfect month to visit San Antonio, with some inordinately 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 muggy 27°C (81°F), whilst at night 20°C (68°F) is normal.

On average March is the 3rd driest month of the year in San Antonio with around 83mm 3.3 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.5 hours of sunshine per day.

San Antonio weather in March »

April

San Antonio April weather averages
Temp Rain Sunshine Day length
25°C 137mm 9.3hrs 13.3hrs

San Antonio's weather in April is typically hot, humid and wet 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.

April is in the spring in San Antonio and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 21°C (69°F) is normal.

On average April is the 4th driest month of the year in San Antonio with around 137mm 5.4 inches of rain making it a wet time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.3 hours of sunshine per day.

San Antonio weather in April »

May

San Antonio May weather averages
Temp Rain Sunshine Day length
26°C 235mm 8.6hrs 13.8hrs

May is a very wet, humid 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.

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 29°C (84°F), whilst at night 22°C (71°F) is normal.

On average May is the 5th driest month of the year in San Antonio with around 235mm 9.2 inches of rain making it a very wet time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.6 hours of sunshine per day.

San Antonio weather in May »

June

San Antonio June weather averages
Temp Rain Sunshine Day length
26°C 205mm 9hrs 11.9hrs

June is a very wet, humid 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 not a good 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 steamy 29°C (84°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 205mm 8.1 inches of rain making it a very wet time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.

On the flip side this corresponds to an average of 9 hours of sunshine per day.

San Antonio weather in June »

July

San Antonio July weather averages
Temp Rain Sunshine Day length
26°C 155mm 9.3hrs 12.3hrs

July in San Antonio is generally wet with the temperature being 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.

July is in the summer in San Antonio and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 29°C (85°F), whilst at night 23°C (73°F) is normal.

On average July is the 6th wettest month of the year in San Antonio with around 155mm 6.1 inches of rain making it a wet time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.3 hours of sunshine per day.

San Antonio weather in July »

August

San Antonio August weather averages
Temp Rain Sunshine Day length
26°C 200mm 9.2hrs 12.7hrs

The weather in August in San Antonio is characteristically hot, humid and very wet.

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.

August is in the summer in San Antonio and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 29°C (85°F), whilst at night 23°C (73°F) is normal.

On average August is the 5th wettest month of the year in San Antonio with around 200mm 7.9 inches of rain making it a very wet time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.2 hours of sunshine per day.

San Antonio weather in August »

September

San Antonio September weather averages
Temp Rain Sunshine Day length
27°C 209mm 8.4hrs 13.3hrs

San Antonio's weather in September is typically hot, humid and very wet 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 relatively bad 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 steamy 30°C (85°F), whilst at night 22°C (72°F) is normal.

On average September is the 4th wettest month of the year in San Antonio with around 209mm 8.2 inches of rain making it a very wet time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.4 hours of sunshine per day.

San Antonio weather in September »

October

San Antonio October weather averages
Temp Rain Sunshine Day length
26°C 197mm 8hrs 13.8hrs

October is a wet, humid 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.

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 steamy 29°C (85°F), whilst at night 22°C (72°F) is normal.

On average October is the 3rd wettest month of the year in San Antonio with around 197mm 7.7 inches of rain making it a wet time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.

On the flip side this corresponds to an average of 8 hours of sunshine per day.

San Antonio weather in October »

November

San Antonio November weather averages
Temp Rain Sunshine Day length
25°C 153mm 7.8hrs 11.9hrs

San Antonio's weather in November is typically hot, humid and wet 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.

November is in the fall / autumn in San Antonio and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (83°F), whilst at night 22°C (71°F) is normal.

On average November is the 2nd wettest month of the year in San Antonio with around 153mm 6 inches of rain making it a wet time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.8 hours of sunshine per day.

San Antonio weather in November »

December

San Antonio December weather averages
Temp Rain Sunshine Day length
24°C 99mm 7.8hrs 12.3hrs

December in San Antonio is generally a little damp with the temperature being hot.

It is perhaps a good month to visit San Antonio, with some extremely good weather at this time of year.

December is in the winter in San Antonio and is typically the warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (80°F), whilst at night 20°C (69°F) is normal.

On average December is the wettest month of the year in San Antonio with around 99mm 3.9 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 20 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.8 hours of sunshine per day.

San Antonio weather in December »

Other monthly averages

UV index Best time to go?

San Antonio weather stats

San Antonio weather statistics
Hottest month: July 29.1°C 84.4°F
Driest month: February 71mm 2.8ins
Sunniest month: March 9.5hrs
Coldest month: February 26.2°C 79.2°F
Wettest month: May 235mm 9.3ins
Warmest sea: September 29°C 84.2°F
Map showing location of San Antonio (18.49217, -67.09851) San Antonio map pin © Google

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