Climate averages 1991–2020

Oklahoma City weather
in March.

A mild, moderately wet month: the 8th warmest and the 7th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 16.7°C Daytime mean, March

Average low 5.9°C Night-time mean, March

Rainfall 72 mm 8 days with ≥1 mm

Daylight 12 h Sunrise to sunset, per day

March is a mild month in Oklahoma City: daytime highs average 16.7°C and nights cool to about 5.9°C. By daytime temperature it is the 8th warmest of the 12 months.

Expect about 72 mm of rain on roughly 8 days, which makes March a moderately wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 57 min on an average March day.

The nearest other city in this atlas is Edmond (21 km away). In March its highs average 16.6°C, about as warm as Oklahoma City, with 69 mm of rain.

Among the 498 cities listed in the United States, Oklahoma City ranks joint 235th of 498 for the warmest March highs and joint 234th of 498 for the driest March (rainfall, lowest first). The mean March high of those 498 cities is 14.9°C; Oklahoma City is 1.8°C warmer than that mean.

From March to April, average highs rise by 4.9°C to 21.6°C, and monthly rainfall rises from 72 mm to 98 mm.

The annual picture

March in context

30-year average

Average highAverage low°C

Monthly rainfall

Average total · mm

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Oklahoma City climate table

1991–2020

Monthly climate averages for Oklahoma City, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	9.0°C-0.8°C	-0.8°C	37	4.6	10.110 h
February	11.7°C1.1°C	1.1°C	45	5.5	10.911 h
March, selected	16.7°C5.9°C	5.9°C	72	7.6	11.912 h
April	21.6°C10.7°C	10.7°C	98	8.6	13.113 h
May	26.1°C16.2°C	16.2°C	115	11.0	14.014 h
June	30.7°C21.3°C	21.3°C	95	9.6	14.515 h
July	33.6°C23.9°C	23.9°C	61	6.8	14.314 h
August	33.1°C23.4°C	23.4°C	64	6.7	13.513 h
September	28.5°C18.9°C	18.9°C	73	6.9	12.412 h
October	22.3°C12.5°C	12.5°C	75	7.2	11.311 h
November	15.3°C5.9°C	5.9°C	49	5.6	10.310 h
December	9.7°C0.6°C	0.6°C	46	5.1	9.810 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

March in nearby cities

Distance from Oklahoma City

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Oklahoma City) is explained once on the Oklahoma City year overview and on the Sources, method and limits page.