Colac Weather and Climate
Climate Snapshot
Colac's warmest month in 2024 was February, averaging 26.2 degrees. That gives Colac an annual average daytime high of 18.8 degrees, 1.0 degrees cooler than the Victoria mean.
Daytime highs peak at 26.2 degrees in February and bottom out with overnight lows of 4.6 degrees in June. That is a 21.6 degree spread from hottest afternoon to coldest night. Overnight minimums average 9.0 degrees across the year, 1.0 degrees colder than the Victoria average of 10.0.
Annual rainfall totals 562mm across 94 rain days, close to the Victoria average. The wettest month is September at 87mm, and February is the driest at 2mm.
There is a pronounced wet-dry split here. September receives 87mm while February gets just 2mm, so the contrast between seasons is stark.
By our reckoning, January (10.0/10) is when the weather is at its finest, while July (1.0/10) is the toughest month to be outdoors.
The full data table below breaks it all down month by month. If you're in a hurry, January is your best bet.
Monthly Comfort Score
Our Comfort Score rates each month from 1 (tough) to 10 (ideal) based on temperature, humidity, rainfall, UV, and sunshine. How we calculate it
Annual Comfort Score: 5.9/10 - Ranked #148 of 213 Australian cities (national avg 6.2, VIC avg 5.9)
Seasonal Overview
| Season | Avg Max °C | Avg Min °C | Total Rain mm | Comfort |
|---|---|---|---|---|
| Summer | 24.4 | 12.3 | 105 | 10.0 |
| Autumn | 19.0 | 9.2 | 81 | 6.0 |
| Winter | 13.4 | 5.7 | 163 | 1.7 |
| Spring | 18.4 | 8.8 | 213 | 5.8 |
Monthly Climate Averages
| Month | Max °C | Min °C | Rain mm | Rain Days | Solar MJ | Humidity % | Comfort |
|---|
Weather by Month
Detailed climate data, packing advice, and what to expect for each month in Colac.
24.0°C, 60mm rain February
26.2°C, 2mm rain March
24.1°C, 8mm rain April
16.9°C, 44mm rain May
16.0°C, 29mm rain June
12.5°C, 27mm rain July
11.9°C, 67mm rain August
15.7°C, 69mm rain September
14.8°C, 87mm rain October
18.4°C, 60mm rain November
21.9°C, 67mm rain December
23.0°C, 43mm rain
Compare and Explore
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