Melbourne is in the Southern Hemisphere, so the seasons run opposite to North America and Europe.
Summer Dec – Feb
The warmest stretch of the year, with highs of 74–78°F (24–26°C). It's the driest season, with only about 6.1 in (154 mm) of rain, 22% of the year's total. Lows bottom out around 56°F (13°C). Comfort peaks here: December – February rank with the year's best, and the season averages 91/100.
Autumn Mar – May
Temperatures slide from 74°F highs in March to 61°F by May. About 6.6 in (167 mm) of rain falls across these months, 23% of the year's total. Lows bottom out around 49°F (9°C). March & April are among the best-scoring months (season average 88/100).
Winter Jun – Aug
The cold peaks here: highs of 55–56°F (13–14°C), and nights reach 44°F (7°C). It's the wettest season, with about 7.8 in (199 mm) of rain, 28% of the year's total. Comfort scores bottom out in June – August; the season averages 73/100.
Spring Sep – Nov
Temperatures climb through the season, from 60°F highs in September to 71°F by November. About 7.7 in (196 mm) of rain falls across these months, 27% of the year's total. Lows bottom out around 46°F (8°C). October is among the best-scoring months (season average 85/100).