Weather in Byron Bay in October

Prime time. If you get to pick your dates, October is the one. Highs average 22.7 °C, lows 19.9 °C, and rain falls on 11 days — nothing in the month is working against you.

October ranks 5 of 12 in Byron Bay: past the worst of the year but short of August, which is the month to book if the dates are open.

Rain on 11 days, 2 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: it never really gets hot: not one day in an average October reaches 30 °C; the day barely swings — 2.8 °C between the overnight low and the afternoon high. Across the twenty years measured, the hottest October day reached 29.5 °C and the coldest night fell to 13.5 °C, and the wettest single day dropped 90 mm — roughly 106% of the month's rain in one day.

This is the volatile part. October rainfall has ranged from 11 mm to 281 mm across the twenty years measured — a 270 mm spread around an average of 85 mm. The average is real but almost no individual October looks like it, so treat the figure as the middle of a wide range rather than a forecast.

Wind sits around 20.4 km/h — a steady breeze rather than a nuisance, and welcome on the warmer days, and humidity is unremarkable at 74%.

How October sits in the year

Temperatures hold steady either side: 21.5 °C in September, 22.7 here, 24.1 in November. Nothing about the timing within the month matters much.

Daylight in October

12.7 hours of daylight, gaining 0.8 hours across the month. That is between Byron Bay's extremes of 13.9 and 10.3 hours, so days are long enough not to constrain the plan.

Sea temperature

The sea sits at about 22.8 °C in October — comfortable for a proper swim. The sea peaks at 26.5 °C in February and bottoms out at 21.5 °C — water lags the air by a month or two, which is why the best swimming often comes after the best weather.

How busy it gets

Shoulder. The value months — prices ease off and you get the place closer to itself.

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

October in Byron Bay versus nearby

If Byron Bay is one option among several, the nearby comparison is worth making. Brisbane is close enough to be a coin toss — 3.4 °C warmer, 2 days less rain. Coffs Harbour is close enough to be a coin toss — within a degree on temperature, 1 day more rain.

So: October works, with August the better month by 8 points if the dates can move. If they cannot, nothing here should stop you booking.

Every month in Byron Bay

See all twelve months in Byron Bay, or where else to go in October.