| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 27.6° | 15.2° | 42.7mm | 6.6 | 84 |
| February | 26.6° | 14.9° | 37.8mm | 5.8 | 88 |
| March | 24.9° | 13.5° | 33.4mm | 6.4 | 87 |
| April | 21° | 10.7° | 48.4mm | 8.1 | 84 |
| May | 17.1° | 8.5° | 39.7mm | 10.1 | 71 |
| June | 14.3° | 6.5° | 40.3mm | 10.3 | 61 |
| July | 13.8° | 6.2° | 38mm | 12.1 | 56 |
| August | 15.2° | 6.7° | 41.5mm | 12.4 | 60 |
| September | 17.8° | 7.9° | 43.1mm | 11 | 71 |
| October | 20.5° | 9.3° | 50.9mm | 10.3 | 79 |
| November | 23.2° | 11.7° | 62.6mm | 9.4 | 81 |
| December | 25.6° | 13.1° | 51.2mm | 8 | 84 |
January in City of Port Phillip averages a daily high of 27.6°C with nights around 15.2°C. Expect roughly 6.6 wet days totalling 42.7mm. Comfortable conditions for being outdoors all day.
February in City of Port Phillip averages a daily high of 26.6°C with nights around 14.9°C. Expect roughly 5.8 wet days totalling 37.8mm. Comfortable conditions for being outdoors all day.
March in City of Port Phillip averages a daily high of 24.9°C with nights around 13.5°C. Expect roughly 6.4 wet days totalling 33.4mm. Comfortable conditions for being outdoors all day.
April in City of Port Phillip averages a daily high of 21°C with nights around 10.7°C. Expect roughly 8.1 wet days totalling 48.4mm. Comfortable conditions for being outdoors all day.
May in City of Port Phillip averages a daily high of 17.1°C with nights around 8.5°C. Expect roughly 10.1 wet days totalling 39.7mm. Generally workable, with some weather to plan around.
June in City of Port Phillip averages a daily high of 14.3°C with nights around 6.5°C. Expect roughly 10.3 wet days totalling 40.3mm. Generally workable, with some weather to plan around.
July in City of Port Phillip averages a daily high of 13.8°C with nights around 6.2°C. Expect roughly 12.1 wet days totalling 38mm. Generally workable, with some weather to plan around.
August in City of Port Phillip averages a daily high of 15.2°C with nights around 6.7°C. Expect roughly 12.4 wet days totalling 41.5mm. Generally workable, with some weather to plan around.
September in City of Port Phillip averages a daily high of 17.8°C with nights around 7.9°C. Expect roughly 11 wet days totalling 43.1mm. Generally workable, with some weather to plan around.
October in City of Port Phillip averages a daily high of 20.5°C with nights around 9.3°C. Expect roughly 10.3 wet days totalling 50.9mm. Comfortable conditions for being outdoors all day.
November in City of Port Phillip averages a daily high of 23.2°C with nights around 11.7°C. Expect roughly 9.4 wet days totalling 62.6mm. Comfortable conditions for being outdoors all day.
December in City of Port Phillip averages a daily high of 25.6°C with nights around 13.1°C. Expect roughly 8 wet days totalling 51.2mm. Comfortable conditions for being outdoors all day.
Each month scores out of 100. It starts at 100 and loses points for daytime highs outside a 20–27°C band, for wet days, and for nights below 2°C. Nothing else is weighted in — no crowd data, no prices, no opinion. City of Port Phillip peaks at 88.
Based on 30 years of records, November–April scores highest for comfort in City of Port Phillip, balancing daytime temperature against rainfall.
January is the warmest, averaging a daily high of 27.6°C.
November is the wettest, averaging 62.6mm of rain across roughly 9.4 wet days.
July is the coolest month, with average daily highs around 13.8°C.