The climate in San Marcos during October can be summarized as hot, humid and very wet.
October is in the fall / autumn in San Marcos and is typically the coldest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 23°C (73°F) is normal.
Daytime temperature | 31.5°C 88.7°F |
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Nightly temperature | 22.7°C 72.9°F |
Average temperature | 27.1°C 80.8°F |
Daily sunshine | 5 hrs |
Avg rainfall | 262 mm 10.3 ins |
Rainy days | 15 days |
Sea temperature | 29°C 84.3°F |
Humidity | 83% |
Windspeed | 9.7kph 6 mph |
On average October is the 4th wettest month of the year in San Marcos with around 262mm 10.3 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 5 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in San Marcos in October 2024.
Best places to visit in October
Hottest month: | March | 34.4°C 93.9°F |
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Driest month: | January | 16mm 0.6ins |
Sunniest month: | January | 6.8hrs |
Coldest month: | October | 31.3°C 88.3°F |
Wettest month: | August | 296mm 11.7ins |