Weather in Mobile in May

A good month. May is a solid month to be in Mobile. Highs average 27.5 °C, lows 21.1 °C, and rain falls on 10 days — nothing in the month is working against you.

May ranks 5 of 12 in Mobile: 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, 4 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: 4 days top 30 °C — hot spells arrive, but they break. Across the twenty years measured, the hottest May day reached 35.4 °C and the coldest night fell to 10.4 °C, and the wettest single day dropped 93 mm — roughly 79% of the month's rain in one day.

May is moderately variable: 25 mm in the driest year against 227 mm in the wettest, around an average of 118 mm. Roughly two Mays in three land near that average, and the third does something else entirely.

Wind is light at 9.5 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 77%, high enough to notice on the warm days without dominating them.

How May sits in the year

The month is on the way up: 3.9 °C warmer than April, and June adds another 3 °C. Late in the month feels noticeably different from the start of it, which is worth knowing if the trip is short. Rain is the thing that moves: June brings 8 days more of it, so the earlier half of a flexible trip is the safer half.

Daylight in May

May is at or near the longest days of Mobile's year: 13.7 hours of daylight, gaining 0.6 hours across the month. Evenings are the real gain — dinner outdoors still happens in full light.

Sea temperature

The sea sits at about 25.3 °C in May — warm enough to stay in as long as you like. The sea peaks at 29.8 °C in August and bottoms out at 19 °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.

May in Mobile versus nearby

If Mobile is one option among several, the nearby comparison is worth making. New Orleans is close enough to be a coin toss — within a degree on temperature, the same number of rain days. Montgomery is close enough to be a coin toss — within a degree on temperature, 1 day more rain.

So: May works, with November the better month by 7 points if the dates can move. If they cannot, nothing here should stop you booking.

Every month in Mobile

See all twelve months in Mobile, or where else to go in May.