Weather in Jacksonville in October

Prime time. October is about as good as Jacksonville gets. Highs average 27.3 °C, lows 16.9 °C, and rain falls on 10 days — nothing in the month is working against you.

October ranks 6 of 12 in Jacksonville: past the worst of the year but short of November, which is the month to book if the dates are open.

Rain on 10 days, 3 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: 7 days top 30 °C — hot spells arrive, but they break. Across the twenty years measured, the hottest October day reached 35.7 °C and the coldest night fell to 1.1 °C, and the wettest single day dropped 120 mm — roughly 146% of the month's rain in one day.

October is moderately variable: 8 mm in the driest year against 196 mm in the wettest, around an average of 82 mm. Roughly two Octobers in three land near that average, and the third does something else entirely.

Wind is light at 2.3 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 80%, high enough to notice on the warm days without dominating them.

How October sits in the year

The month is on the way down: 3.4 °C cooler than September, with November dropping another 4.4 °C. The first week and the last are not the same trip. Rain has already shifted: 6 days fewer than September had.

Daylight in October

11.5 hours of daylight, losing 0.9 hours across the month. That is between Jacksonville's extremes of 14.1 and 10.2 hours, so days are long enough not to constrain the plan.

Sea temperature

The sea sits at about 26.6 °C in October — warm enough to stay in as long as you like. The sea peaks at 28.4 °C in August and bottoms out at 19.5 °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

Busy. Popular without being frantic; book the things you care about, improvise the rest.

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

October in Jacksonville versus nearby

If Jacksonville is one option among several, the nearby comparison is worth making. Tallahassee is close enough to be a coin toss — within a degree on temperature, 3 days less rain. Tampa is close enough to be a coin toss — within a degree on temperature, 1 day more rain.

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

Every month in Jacksonville

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