The climate in Mount Vernon during October can be summarized as mild and reasonably dry.
October is in the fall / autumn in Mount Vernon and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 20°C (68°F), whilst at night 8°C (46°F) is normal.
| Daytime temperature | 19.7°C 67.5°F |
|---|---|
| Nightly temperature | 7.9°C 46.2°F |
| Average temperature | 13.8°C 56.8°F |
| Daily sunshine | 6.6 hrs |
| Avg rainfall | 64 mm 2.5 ins |
| Rainy days | 8 days |
| Sea temperature | 18.1°C 64.6°F |
| Humidity | 69% |
| Windspeed | 12.6kph 8 mph |
On average October is the driest month of the year in Mount Vernon with around 64mm 2.5 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 6.6 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 Mount Vernon in October 2025.
Best places to visit in October
| Hottest month: | July | 29.4°C 84.9°F |
|---|---|---|
| Driest month: | October | 64mm 2.5ins |
| Sunniest month: | August | 8.4hrs |
| Coldest month: | January | 3.7°C 38.7°F |
| Wettest month: | July | 122mm 4.8ins |