Weather in Oklahoma City in June

Shoulder season. June is shoulder season in Oklahoma City — cheaper, quieter, and a genuine gamble. Highs average 31.6 °C, lows 20.4 °C, and rain falls on 12 days — nothing in the month is working against you.

June ranks 9 of 12 in Oklahoma City: past the worst of the year but short of April, which is the month to book if the dates are open.

Rain on 12 days, 4 of them heavy. Enough to need a plan B, not enough to need a plan around it. Pack for 31.6 °C days and 20.4 °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: 5 days clear 35 °C, so a serious heatwave is normal rather than notable. Across the twenty years measured, the hottest June day reached 42.1 °C and the coldest night fell to 11.6 °C, and the wettest single day dropped 63 mm — roughly 56% of the month's rain in one day.

June is moderately variable: 37 mm in the driest year against 317 mm in the wettest, around an average of 113 mm. Roughly two Junes in three land near that average, and the third does something else entirely.

Wind is light at 11.9 km/h, so the temperature on the page is close to the temperature on your skin, and humidity is unremarkable at 67%.

How June sits in the year

The month is on the way up: 4.6 °C warmer than May, and July adds another 3.1 °C. Late in the month feels noticeably different from the start of it, which is worth knowing if the trip is short.

Daylight in June

June is at or near the longest days of Oklahoma City's year: 14.5 hours of daylight, holding steady all 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 — 37 °C between the warmest afternoons and the coldest nights, wider than any coastal city at this latitude would manage.

How busy it gets

Off season. The genuine off season: cheapest by a distance, with the caveat that some tours and restaurants close entirely.

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

June 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 less rain. Wichita is close enough to be a coin toss — within a degree on temperature, 1 day more rain.

So: June is a compromise. April is 29 points better and is what Oklahoma City 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 Oklahoma City

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