The climate in Hernani during October can be summarized as mild and wet.
October is in the fall / autumn in Hernani and is typically the 5th warmest month of the year. Daytime maximum temperatures average around 19°C (67°F), whilst at night 11°C (52°F) is normal.
| Daytime temperature | 19.3°C 66.7°F |
|---|---|
| Nightly temperature | 11.3°C 52.3°F |
| Average temperature | 15.3°C 59.5°F |
| Daily sunshine | 5 hrs |
| Avg rainfall | 121 mm 4.8 ins |
| Rainy days | 14 days |
| Sea temperature | 17.9°C 64.3°F |
| Humidity | 75% |
| Windspeed | 11.5kph 7 mph |
On average October is the 5th wettest month of the year in Hernani with around 121mm 4.8 inches of rain making it a wet 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 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 Hernani in October 2025.
Best places to visit in October
| Hottest month: | August | 23.4°C 74.1°F |
|---|---|---|
| Driest month: | July | 62mm 2.4ins |
| Sunniest month: | July | 7.6hrs |
| Coldest month: | January | 10.9°C 51.6°F |
| Wettest month: | November | 143mm 5.6ins |