When is the best time to go to San Marcos
The chart above shows the best time of year to visit San Marcos, 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 Marcos
San Marcos weather by month
Please note our recommendations for when to visit San Marcos 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 | 48mm | 5.6hrs | 11.3hrs |
San Marcos's weather in January is typically cool and reasonably dry in nature.
Although outside the main holiday season, there is still plenty of fairly acceptable weather around this time of year. This makes it an okay time to visit San Marcos.
January is in the winter in San Marcos and is typically the coldest month of the year. Daytime maximum temperatures average around a cool 15°C (60°F), whilst at night 3°C (37°F) is normal.
On average January is the driest month of the year in San Marcos with around 48mm 1.9 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 5.6 hours of sunshine per day.
San Marcos weather in January »
February
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 16°C | 62mm | 6.4hrs | 12hrs |
February in San Marcos is generally reasonably dry with the temperature being mild.
Although outside the main holiday season, there is still plenty of relatively acceptable weather around this time of year. This makes it an okay time to visit San Marcos.
February is in the winter in San Marcos and is typically the 2nd coldest 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 February is the 2nd driest month of the year in San Marcos with around 62mm 2.4 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 6.4 hours of sunshine per day.
San Marcos weather in February »
March
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 20°C | 48mm | 7.2hrs | 12.8hrs |
The weather in March in San Marcos is characteristically mild and reasonably dry.
It is perhaps the perfect month to visit San Marcos, with some particularly good weather at this time of year.
March is in the spring in San Marcos and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around 22°C (72°F), whilst at night 9°C (48°F) is normal.
On average March is the 3rd driest month of the year in San Marcos with around 48mm 1.9 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 7.2 hours of sunshine per day.
April
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 24°C | 73mm | 7.4hrs | 13.7hrs |
San Marcos's weather in April is typically warm and reasonably dry in nature.
It is perhaps the perfect month to visit San Marcos, with some extremely good weather at this time of year.
April is in the spring in San Marcos and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a comfortable 27°C (80°F), whilst at night 14°C (58°F) is normal.
On average April is the 4th driest month of the year in San Marcos 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 7.4 hours of sunshine per day.
May
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 26°C | 119mm | 7.7hrs | 14.5hrs |
May is a damp, humid month in San Marcos and the temperature is generally hot.
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 Marcos.
May is in the spring in San Marcos and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a muggy 29°C (85°F), whilst at night 18°C (64°F) is normal.
On average May is the 5th driest month of the year in San Marcos with around 119mm 4.7 inches of rain making it a 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 7.7 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 29°C | 98mm | 10hrs | 11.3hrs |
The weather in June in San Marcos is characteristically hot, humid and a little damp.
Based on weather alone, this is probably a time of year to avoid going to San Marcos for your holidays. The weather is often not a good and not conducive to spending time outdoors.
June is in the summer in San Marcos and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a steamy 33°C (91°F), whilst at night 21°C (70°F) is normal.
On average June is the 6th driest month of the year in San Marcos with around 98mm 3.8 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 10 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 32°C | 42mm | 10.8hrs | 12hrs |
July in San Marcos is generally reasonably dry with the temperature being very hot.
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 Marcos.
July is in the summer in San Marcos and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a warm 35°C (95°F), whilst at night 23°C (73°F) is normal.
On average July is the 6th wettest month of the year in San Marcos with around 42mm 1.7 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 10.8 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 32°C | 56mm | 10.2hrs | 12.8hrs |
The weather in August in San Marcos 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 Marcos.
August is in the summer in San Marcos and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a warm 35°C (96°F), whilst at night 22°C (72°F) is normal.
On average August is the 5th wettest month of the year in San Marcos with around 56mm 2.2 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 10.2 hours of sunshine per day.
San Marcos weather in August »
September
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 29°C | 100mm | 8.3hrs | 13.7hrs |
San Marcos's weather in September is typically hot and damp in nature.
Based on weather alone, this is probably a time of year to avoid going to San Marcos for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
September is in the fall / autumn in San Marcos and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a warm 32°C (90°F), whilst at night 20°C (67°F) is normal.
On average September is the 4th wettest month of the year in San Marcos with around 100mm 3.9 inches of rain making it a damp 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 8.3 hours of sunshine per day.
San Marcos weather in September »
October
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 25°C | 89mm | 7.5hrs | 14.5hrs |
October is a a little damp month in San Marcos and the temperature is generally warm.
It is perhaps the perfect month to visit San Marcos, with some surprisingly good weather at this time of year.
October is in the fall / autumn in San Marcos and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 28°C (82°F), whilst at night 14°C (57°F) is normal.
On average October is the 3rd wettest month of the year in San Marcos with around 89mm 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 7.5 hours of sunshine per day.
San Marcos weather in October »
November
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 20°C | 65mm | 6.1hrs | 11.3hrs |
The weather in November in San Marcos is characteristically mild and reasonably dry.
It is perhaps a good month to visit San Marcos, with some very good weather at this time of year.
November is in the fall / autumn in San Marcos and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around 22°C (72°F), whilst at night 9°C (48°F) is normal.
On average November is the 2nd wettest month of the year in San Marcos with around 65mm 2.6 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 6.1 hours of sunshine per day.
San Marcos weather in November »
December
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 15°C | 54mm | 5.3hrs | 12hrs |
December in San Marcos is generally reasonably dry with the temperature being mild.
It is perhaps a good month to visit San Marcos, with some particularly good weather at this time of year.
December is in the winter in San Marcos and is typically the warmest month of the year. Daytime maximum temperatures average around a cool 17°C (63°F), whilst at night 4°C (40°F) is normal.
On average December is the wettest month of the year in San Marcos with around 54mm 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 5.3 hours of sunshine per day.
Other monthly averages
San Marcos weather stats
| Hottest month: | July | 34.7°C 94.5°F |
|---|---|---|
| Driest month: | July | 42mm 1.7ins |
| Sunniest month: | July | 10.8hrs |
| Coldest month: | January | 14.9°C 58.8°F |
| Wettest month: | May | 119mm 4.7ins |
| Warmest sea: | August | 29.3°C 84.7°F |
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