San Martín Weather in October
What's the weather like in San Martín (Meta) in October 2025?
The climate in San Martín during October can be summarized as hot, humid and very wet.
October is in the fall / autumn in San Martín and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 30°C (87°F), whilst at night 20°C (69°F) is normal.
| Daytime temperature | 30.4°C 86.6°F |
|---|---|
| Nightly temperature | 20.3°C 68.5°F |
| Average temperature | 25.3°C 77.5°F |
| Daily sunshine | 5 hrs |
| Avg rainfall | 435 mm 17.1 ins |
| Rainy days | 20 days |
| Sea temperature | 26.5°C 79.8°F |
| Humidity | 81% |
| Windspeed | 7.6kph 5 mph |
On average October is the 4th wettest month of the year in San Martín with around 435mm 17.1 inches of rain making it a very wet 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 5 hours of sunshine per day.
October temperatures in San Martín
October rainfall
October hourly sunshine
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 Martín in October 2025.
Other monthly averages
Best places to visit in October
San Martín weather stats
| Hottest month: | March | 31.2°C 88.2°F |
|---|---|---|
| Driest month: | January | 70mm 2.8ins |
| Sunniest month: | January | 5.9hrs |
| Coldest month: | June | 28.8°C 83.8°F |
| Wettest month: | May | 512mm 20.2ins |
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