This report describes the typical weather at the Okmulgee Airport (Okmulgee, Oklahoma, United States) weather station over the course of an average March. It is based on the historical records from 2001 to 2012. Earlier records are either unavailable or unreliable.
Okmulgee, Oklahoma has a warm humid temperate climate with hot summers and no dry season. The area within 25 mi of this station is covered by grasslands (93%), forests (4%), and lakes and rivers (3%).
The month of March is characterized by rising daily high temperatures, with daily highs increasing from 61°F to 69°F over the course of the month, exceeding 80°F or dropping below 48°F only one day in ten.
Over the course of March, the length of the day is increasing. From the start to the end of the month, the length of the day increases by 1:08 hours, implying an average day-over-day increase of 2.2 minutes.
The shortest day of the month is March 1 with 11:26 hours of daylight; the longest day is March 31 with 12:34 hours of daylight.
The earliest sunrise is at 6:41am on March 10; the latest sunset is at 7:45pm on March 31; the latest sunrise is at 7:39am on March 11; the earliest sunset is at 6:19pm on March 1.
Daylight savings time (DST) starts at 3:00am on March 11, 2012, shifting sunrise and sunset to an hour later.
The median cloud cover ranges from 21% (mostly clear) to 28% (mostly clear).
On March 16, a representative day, the sky is clear or mostly clear 50% of the time, partly cloudy 7% of the time, and mostly cloudy or overcast 29% of the time.
The average probability that some form of precipitation will be observed in a given day is 29%, with little variation over the course of the month.
Throughout March, the most common forms of precipitation are thunderstorms, light rain, and moderate rain.
Thunderstorms are the most severe precipitation observed during 59% of those days with precipitation. They are most likely around March 31, when it is observed during 22% of all days.
Light rain is the most severe precipitation observed during 15% of those days with precipitation. It is most likely around March 19, when it is observed during 5% of all days.
Moderate rain is the most severe precipitation observed during 13% of those days with precipitation. It is most likely around March 2, when it is observed during 5% of all days.
The likelihood of snow falling is highest around March 1, occurring in 5% of days.
Either snow rarely accumulates at this location in March or snow depth measurements are unavailable or unreliable.
The relative humidity typically ranges from 40% (comfortable) to 88% (very humid) over the course of a typical March, rarely dropping below 22% (dry) and reaching as high as 100% (very humid).
The air is driest around March 3, at which time the relative humidity drops below 50% (comfortable) three days out of four; it is most humid around March 23, rising above 83% (humid) three days out of four.
Dew point is often a better measure of how comfortable a person will find the weather than relative humidity because it more directly relates to whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid.
Over the course of a typical March, the dew point typically varies from 29°F (dry) to 52°F (very comfortable) and is rarely below 16°F (dry) or above 64°F (mildy humid).
Over the course of March typical wind speeds vary from 0 mph to 18 mph (calm to fresh breeze), rarely exceeding 24 mph (strong breeze).
The highest average wind speed of 10 mph (gentle breeze) occurs around March 28, at which time the average daily maximum wind speed is 18 mph (fresh breeze).
The lowest average wind speed of 9 mph (gentle breeze) occurs around March 2, at which time the average daily maximum wind speed is 16 mph (moderate breeze).