The climate in Belmont, New South Wales is usually very warm. The annual average temperature amounts 17.8 °C (64 °F). Furthermore, the different seasons distinguish significantly in their temperatures. Compared to the other months January is the warmest. At this time of the year the average temperature lies at 22.6 °C (72.7 °F). In July the average temperature drops to 12.1 °C (53.8 °F). In total the difference between the two months amounts 10.5 °C (18.9 °F). Belmont has an annual total precipitation of 1164 mm (45.8 in). The seasons have a signifant influence on the amount of precipitation. With a total precipitation of 137.0 mm (5.4 in) on average March is the wettest month. July only experiences an average precipitation of 57.0 mm (2.2 in) in most years. According to that, the margin between the two months amounts 80.0 mm (3.1 in).