Weather in Warrnambool in March

Prime time. March is about as good as Warrnambool gets. Highs average 20.1 °C, lows 14.8 °C, and rain falls on 8 days — nothing in the month is working against you.

March ranks 3 of 12 in Warrnambool. Only January scores clearly higher, and the difference is small enough to be settled by price rather than weather.

Rain on 8 days, 1 of them heavy. Enough to need a plan B, not enough to need a plan around it. Nothing specialised needed — this is the month you pack for the trip rather than for the weather.

What the averages hide

Averages flatten a month, and this one hides a few things: the day barely swings — 5.3 °C between the overnight low and the afternoon high. Across the twenty years measured, the hottest March day reached 33.7 °C and the coldest night fell to 12 °C, and the wettest single day dropped 43 mm — roughly 96% of the month's rain in one day.

March is statistically steady but not small: the year-to-year variation is modest in relative terms, yet the wettest March on record still delivered 70 mm against 17 mm in the driest. In a month this wet, even a tame spread is a lot of rain in absolute terms — the 45 mm average is a reasonable planning figure, not a promise.

Wind sits around 17.3 km/h — a steady breeze rather than a nuisance, and welcome on the warmer days, and humidity is unremarkable at 73%.

How March sits in the year

Temperatures hold steady either side: 20.8 °C in February, 20.1 here, 18.1 in April. Nothing about the timing within the month matters much.

Daylight in March

12.4 hours of daylight, losing 1.2 hours across the month. That is between Warrnambool's extremes of 14.8 and 9.5 hours, so days are long enough not to constrain the plan.

Sea temperature

The sea sits at about 17.7 °C in March — cold — a quick dip rather than a swim, and a wetsuit if you are in for longer. This is the warmest the water gets all year.

How busy it gets

Peak season. Expect the highest prices of the year and to be booking well ahead.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

March in Warrnambool versus nearby

If Warrnambool is one option among several, the nearby comparison is worth making. Ballarat is close enough to be a coin toss — 3.9 °C warmer, 2 days less rain. Mount Gambier is close enough to be a coin toss — within a degree on temperature, 1 day less rain.

So: March is effectively as good as it gets here — 5 points behind January, which is inside the margin where the weather stops being the deciding factor and price starts being it.

Every month in Warrnambool

See all twelve months in Warrnambool, or where else to go in March.