Weather in Brownsville in October

A good month. October is a solid month to be in Brownsville. Highs average 30.7 °C, lows 21.8 °C, and rain falls on 8 days — nothing in the month is working against you.

October ranks 7 of 12 in Brownsville: past the worst of the year but short of February, which is the month to book if the dates are open.

Rain on 8 days, 2 of them heavy. Enough to need a plan B, not enough to need a plan around it. Pack for 30.7 °C days and 21.8 °C nights; the spread matters more here than any single number.

What the averages hide

Averages flatten a month, and this one hides a few things: 20 days top 30 °C, making the heat continuous rather than occasional. Across the twenty years measured, the hottest October day reached 38.1 °C and the coldest night fell to 9.5 °C, and the wettest single day dropped 69 mm — roughly 110% of the month's rain in one day.

This is the volatile part. October rainfall has ranged from 0 mm to 220 mm across the twenty years measured — a 220 mm spread around an average of 63 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 is light at 11.6 km/h, so the temperature on the page is close to the temperature on your skin, and humidity is unremarkable at 72%.

How October sits in the year

The month is on the way down: 1.8 °C cooler than September, with November dropping another 4 °C. The first week and the last are not the same trip. Rain has already shifted: 7 days fewer than September had.

Daylight in October

11.6 hours of daylight, losing 0.7 hours across the month. That is between Brownsville's extremes of 13.7 and 10.5 hours, so days are long enough not to constrain the plan.

Sea temperature

The sea sits at about 28.2 °C in October — warm enough that the water offers no relief from the heat. The sea peaks at 29.4 °C in August and bottoms out at 21.4 °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 Brownsville versus nearby

If Brownsville is one option among several, the nearby comparison is worth making. Corpus Christi is close enough to be a coin toss — within a degree on temperature, the same number of rain days. Laredo is close enough to be a coin toss — within a degree on temperature, 2 days less rain.

So: October is a compromise. February is 24 points better and is what Brownsville is actually like at its best — worth moving the trip for if that is possible, and worth adjusting expectations for if it is not.

Every month in Brownsville

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