The climate in Mount Vernon during July can be summarized as hot and a little damp.
July is in the summer in Mount Vernon and is typically the warmest month of the year. Daytime maximum temperatures average around a warm 34°C (94°F), whilst at night 21°C (70°F) is normal.
| Daytime temperature | 34.2°C 93.6°F |
|---|---|
| Nightly temperature | 21.2°C 70.2°F |
| Average temperature | 27.7°C 81.9°F |
| Daily sunshine | 11.2 hrs |
| Avg rainfall | 80 mm 3.2 ins |
| Rainy days | 7 days |
| Sea temperature | 24.1°C 75.3°F |
| Humidity | 67% |
| Windspeed | 13kph 8 mph |
On average July is the 3rd driest month of the year in Mount Vernon with around 80mm 3.2 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 11.2 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 July 2025.
| Hottest month: | July | 33.9°C 93°F |
|---|---|---|
| Driest month: | August | 57mm 2.2ins |
| Sunniest month: | July | 11.2hrs |
| Coldest month: | January | 11.4°C 52.5°F |
| Wettest month: | May | 139mm 5.5ins |