Weather in Oklahoma City in March

Prime time. If you get to pick your dates, March is the one. Highs average 17.7 °C, lows 4.5 °C, and rain falls on 7 days — nothing in the month is working against you.

March ranks 3 of 12 in Oklahoma City. Only April scores clearly higher, and the difference is small enough to be settled by price rather than weather.

Rain on 7 days, 2 of them heavy. Enough to need a plan B, not enough to need a plan around it. Pack for 17.7 °C days and 4.5 °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: 6 nights fall below freezing. Across the twenty years measured, the hottest March day reached 31.3 °C and the coldest night fell to -13.4 °C, and the wettest single day dropped 57 mm — roughly 92% of the month's rain in one day.

March is moderately variable: 9 mm in the driest year against 153 mm in the wettest, around an average of 62 mm. Roughly two Marchs in three land near that average, and the third does something else entirely.

Wind is light at 13.8 km/h, so the temperature on the page is close to the temperature on your skin, and humidity is unremarkable at 67%.

How March sits in the year

The month is on the way up: 6.4 °C warmer than February, and April adds another 5 °C. Late in the month feels noticeably different from the start of it, which is worth knowing if the trip is short.

Daylight in March

11.9 hours of daylight, gaining 1.1 hours across the month. That is between Oklahoma City's extremes of 14.5 and 9.8 hours, so days are long enough not to constrain the plan.

An inland climate

With no coast nearby, the year swings a fair way — 37 °C between the warmest afternoons and the coldest nights, wider than any coastal city at this latitude would manage.

How busy it gets

Peak season. Expect the highest prices of the year and to be booking well ahead. If the dates are flexible, September is the trade worth considering — 14 points weaker on weather, and materially quieter.

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

March in Oklahoma City versus nearby

If Oklahoma City is one option among several, the nearby comparison is worth making. Tulsa is close enough to be a coin toss — within a degree on temperature, 1 day more rain. Wichita is close enough to be a coin toss — 2.1 °C cooler, the same number of rain days.

So: March is effectively as good as it gets here — 4 points behind April, which is inside the margin where the weather stops being the deciding factor and price starts being it.

Every month in Oklahoma City

See all twelve months in Oklahoma City, or where else to go in March.