| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 26.3° | 14.9° | 42.9mm | 6.1 | 88 |
| February | 26° | 14.8° | 34.8mm | 4.9 | 90 |
| March | 24° | 13° | 32.2mm | 6.2 | 88 |
| April | 20.4° | 10.1° | 42.1mm | 8.1 | 84 |
| May | 17.1° | 8.1° | 35.7mm | 9.3 | 72 |
| June | 14.6° | 6.3° | 36.6mm | 10.3 | 62 |
| July | 14.1° | 5.7° | 33mm | 11.5 | 58 |
| August | 15.4° | 6.2° | 37.8mm | 12.3 | 61 |
| September | 17.8° | 7.3° | 37.7mm | 10.7 | 72 |
| October | 20.1° | 8.7° | 49.8mm | 10.6 | 79 |
| November | 22.3° | 11.2° | 57.3mm | 8.8 | 82 |
| December | 24.3° | 12.5° | 42.5mm | 7.3 | 85 |
January in Werribee averages a daily high of 26.3°C with nights around 14.9°C. Expect roughly 6.1 wet days totalling 42.9mm. Comfortable conditions for being outdoors all day.
February in Werribee averages a daily high of 26°C with nights around 14.8°C. Expect roughly 4.9 wet days totalling 34.8mm. Comfortable conditions for being outdoors all day.
March in Werribee averages a daily high of 24°C with nights around 13°C. Expect roughly 6.2 wet days totalling 32.2mm. Comfortable conditions for being outdoors all day.
April in Werribee averages a daily high of 20.4°C with nights around 10.1°C. Expect roughly 8.1 wet days totalling 42.1mm. Comfortable conditions for being outdoors all day.
May in Werribee averages a daily high of 17.1°C with nights around 8.1°C. Expect roughly 9.3 wet days totalling 35.7mm. Generally workable, with some weather to plan around.
June in Werribee averages a daily high of 14.6°C with nights around 6.3°C. Expect roughly 10.3 wet days totalling 36.6mm. Generally workable, with some weather to plan around.
July in Werribee averages a daily high of 14.1°C with nights around 5.7°C. Expect roughly 11.5 wet days totalling 33mm. Generally workable, with some weather to plan around.
August in Werribee averages a daily high of 15.4°C with nights around 6.2°C. Expect roughly 12.3 wet days totalling 37.8mm. Generally workable, with some weather to plan around.
September in Werribee averages a daily high of 17.8°C with nights around 7.3°C. Expect roughly 10.7 wet days totalling 37.7mm. Generally workable, with some weather to plan around.
October in Werribee averages a daily high of 20.1°C with nights around 8.7°C. Expect roughly 10.6 wet days totalling 49.8mm. Comfortable conditions for being outdoors all day.
November in Werribee averages a daily high of 22.3°C with nights around 11.2°C. Expect roughly 8.8 wet days totalling 57.3mm. Comfortable conditions for being outdoors all day.
December in Werribee averages a daily high of 24.3°C with nights around 12.5°C. Expect roughly 7.3 wet days totalling 42.5mm. 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. Werribee peaks at 90.
Based on 30 years of records, November–April scores highest for comfort in Werribee, balancing daytime temperature against rainfall.
January is the warmest, averaging a daily high of 26.3°C.
November is the wettest, averaging 57.3mm of rain across roughly 8.8 wet days.
July is the coolest month, with average daily highs around 14.1°C.