Melbourne Weather in May
Australia · Oceanic climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
May in Melbourne sees average temperatures ranging from a low of 7.9°C (46.2°F) to a high of 15.9°C (60.6°F), with a mean of 11.5°C (52.7°F). Compared to the annual average of 14.6°C (58.3°F), this month is 3.1°C cooler than the yearly norm. Precipitation averages 60.7mm, making it approximately 12.0mm drier than the monthly average of 72.0mm. The city receives an average of 7.3 hours of sunshine per day during May, with relative humidity averaging 79.6%. Wind speeds reach an average maximum of 18.6 km/h. For travelers, this month offers a temperature experience in Melbourne, with drier-than-average conditions compared to the rest of the year.
Melbourne's data reveals Australia's most unpredictable major city — four seasons in a day isn't a cliché, it's a statistical reality. I tracked a week there in November: 28°C Monday, 14°C Tuesday with rain, 22°C Wednesday. Annual mean of 15°C masks wild daily swings. The numbers favor February-March: 20-22°C, low rain, manageable UV. October-November is statistically pleasant but unpredictable. Summer (December-February) can hit 40°C; winter (June-August) dips to 6°C. Melbourne averages 600mm of rain spread evenly — 50mm monthly — so always carry a layer. The data says spring (October) is the smart traveler's pick.
May vs Adjacent Months
| Metric | April | May | June |
|---|---|---|---|
| Mean Temp | 14.7°C (58.5°F) | 11.5°C (52.7°F) | 9.9°C (49.8°F) |
| Rainfall | 88.2mm | 60.7mm | 69.8mm |
| Sunshine | 8.2 hrs | 7.3 hrs | 6.6 hrs |
| Humidity | 75.4% | 79.6% | 81.2% |
| Wind | 19.5 km/h | 18.6 km/h | 20.8 km/h |
| Rainy Days | 18.2 | 15.2 | 18.6 |
Seasonal Context
May falls in Spring in the Northern Hemisphere. Spring is a transitional season with temperatures rising from winter lows. For travelers visiting Melbourne in May, the data indicates mixed conditions based on the combination of temperature, precipitation, and daylight hours.
Frequently Asked Questions
What is the average temperature in Melbourne in May?
The average temperature in Melbourne during May ranges from 7.9°C (46.2°F) to 15.9°C (60.6°F), with a mean of 11.5°C (52.7°F).
How much does it rain in Melbourne in May?
Melbourne receives an average of 60.7mm of precipitation in May, spread across approximately 15.2 rainy days.
What should I pack for Melbourne in May?
Based on May weather data, pack warm layers, a medium jacket, and waterproof outerwear.
Is May a good time to visit Melbourne?
May is a cooler month, suitable for travelers who prefer mild weather and fewer crowds. Pack warm layers and enjoy indoor attractions.
Other Months for Melbourne
Cities with Similar May Climate (Oceanic)
Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: -37.81°, 144.96°. Timezone: Australia/Melbourne. Last updated: 2026-07-30.