Best time to go to Mornington Island
The best time to visit Mornington Island, Wellesley Islands can depend on the weather and when visitor numbers rise and fall. The hottest average temperature around Mornington Island, Wellesley Islands falls in November, when visitor numbers are average and weather is mostly sunny with light rain. The coolest average temperature around Mornington Island, Wellesley Islands falls in July, visitor numbers are slightly low and weather is sunny with no rain.
Calendar Month | Temperature | Precipitation | Cloudiness | Occupancy |
| January | 83.3°F (28.5°C) | Frequent Rain | Mostly Cloudy | Average |
| February | 82.2°F (27.9°C) | Frequent Rain | Mostly Cloudy | Slightly High |
| March | 81.7°F (27.6°C) | Moderate Rain | Mostly Sunny | Slightly High |
| April | 80.8°F (27.1°C) | Light Rain | Mostly Sunny | Average |
| May | 78.3°F (25.7°C) | No Rain | Sunny | Slightly Low |
| June | 75.9°F (24.4°C) | No Rain | Sunny | Average |
| July | 75.6°F (24.2°C) | No Rain | Sunny | Slightly Low |
| August | 77.0°F (25.0°C) | No Rain | Sunny | Average |
| September | 81.1°F (27.3°C) | No Rain | Sunny | Average |
| October | 84.2°F (29.0°C) | No Rain | Sunny | Slightly Low |
| November | 86.2°F (30.1°C) | Light Rain | Mostly Sunny | Average |
| December | 85.6°F (29.8°C) | Moderate Rain | Mostly Sunny | Slightly High |






Calendar Month
Temperature
Precipitation
Cloudiness
Occupancy