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Compared to the rest of Australia, Mount Isa experiences exceptionally high overnight temperatures and numbers of clear days along with far below average humidity levels. Daytime temperatures are above average and wind speed, rainfall and numbers of cloudy days are below average.
Mount Isa has a wet and a dry season. The wet season in Mount Isa begins around October and ends around April. Over the course of the wet season, Mount Isa receives around 366.7mm of rain. By comparison, in the dry season from May to September, less than 52.9mm of rain falls in total. At the height of the wet season in January it rains on average 8.2 days in that one month. Indeed, Mount Isa has experienced as much as 196.2mm in a single January day and as much as 481.3mm in a single month (January).
Temperatures in the wet season average between 31.4 and 37.3OC during the day and 20.2 and 25OC overnight. Temperatures in the dry season average between 24 and 30.4OC during the day and 11.6 and 17.1OC at night.
Weather graphs: Temperature | Rainfall | Rainy days | Clear and cloudy days | Windspeed | Humidity |
Mount Isa Mean Rainfall (411.4 mm)
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