Weather in Huntsville in May

A good month. May is a solid month to be in Huntsville. Highs average 26 °C, lows 15.2 °C, and rain falls on 12 days — nothing in the month is working against you.

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

Rain on 12 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

The averages here are honest — no hidden extremes worth planning around. Across the twenty years measured, the hottest May day reached 34.1 °C and the coldest night fell to 3.2 °C, and the wettest single day dropped 70 mm — roughly 59% of the month's rain in one day.

May is moderately variable: 25 mm in the driest year against 285 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 3.7 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 78%, high enough to notice on the warm days without dominating them.

How May sits in the year

The month is on the way up: 4.2 °C warmer than April, and June adds another 4.3 °C. Late in the month feels noticeably different from the start of it, which is worth knowing if the trip is short.

Daylight in May

May is at or near the longest days of Huntsville's year: 14 hours of daylight, gaining 0.8 hours across the month. Evenings are the real gain — dinner outdoors still happens in full light.

An inland climate

With no coast nearby, the year swings a fair way — 33.3 °C between the warmest afternoons and the coldest nights, wider than any coastal city at this latitude would manage.

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 Huntsville versus nearby

If Huntsville is one option among several, the nearby comparison is worth making. Nashville is close enough to be a coin toss — within a degree on temperature, 2 days more rain. Atlanta is close enough to be a coin toss — within a degree on temperature, the same number of rain days.

So: May is effectively as good as it gets here — 6 points behind October, which is inside the margin where the weather stops being the deciding factor and price starts being it.

Every month in Huntsville

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