This report describes the typical weather at the Keesler Air Force Base (Biloxi, Mississippi, United States) weather station over the course of an average February. It is based on the historical records from 1974 to 2012. Earlier records are either unavailable or unreliable.
Biloxi, Mississippi has a warm humid temperate climate with hot summers and no dry season. The area within 25 mi of this station is covered by forests (49%), oceans and seas (40%), and croplands (10%).
The month of February is characterized by rising daily high temperatures, with daily highs ranging from 60°F to 65°F over the course of the month, exceeding 73°F or dropping below 49°F only one day in ten.
Over the course of February, the length of the day is gradually increasing. From the start to the end of the month, the length of the day increases by 47 minutes, implying an average day-over-day increase of 1.6 minutes.
The shortest day of the month is February 1 with 10:45 hours of daylight; the longest day is February 29 with 11:32 hours of daylight.
The earliest sunrise is at 6:22am on February 29; the latest sunset is at 5:54pm on February 29; the latest sunrise is at 6:47am on February 1; the earliest sunset is at 5:32pm on February 1.
Daylight savings time is observed in 2012 but it neither starts nor ends in February, so the entire month is in standard time.
The median cloud cover is 77% (partly cloudy) and does not vary substantially over the course of the month.
On February 15, a representative day, the sky is clear or mostly clear 31% of the time, partly cloudy 12% of the time, and mostly cloudy or overcast 52% of the time.
The average probability that some form of precipitation will be observed in a given day is 41%, with little variation over the course of the month.
Throughout February, the most common forms of precipitation are light rain, thunderstorms, and moderate rain.
Light rain is the most severe precipitation observed during 46% of those days with precipitation. It is most likely around February 1, when it is observed during 20% of all days.
Thunderstorms are the most severe precipitation observed during 28% of those days with precipitation. They are most likely around February 29, when it is observed during 13% of all days.
Moderate rain is the most severe precipitation observed during 16% of those days with precipitation. It is most likely around February 4, when it is observed during 7% of all days.
Either snow is exceptionally unlikely to fall at this location in February or this station does not reliably report precipitation types.
The relative humidity typically ranges from 56% (mildly humid) to 93% (very humid) over the course of a typical February, rarely dropping below 29% (dry) and reaching as high as 100% (very humid).
The air is driest around February 3, at which time the relative humidity drops below 71% (humid) three days out of four; it is most humid around February 27, rising above 89% (very 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 February, the dew point typically varies from 37°F (dry) to 56°F (comfortable) and is rarely below 21°F (dry) or above 67°F (muggy).
The time of the month between February 1 and February 29 is the most comfortable, with dew points that are neither too dry nor too muggy.
Over the course of February typical wind speeds vary from 1 mph to 13 mph (light air to moderate breeze), rarely exceeding 19 mph (fresh breeze).
The highest average wind speed of 8 mph (light breeze) occurs around February 27, at which time the average daily maximum wind speed is 13 mph (moderate breeze).
The lowest average wind speed of 7 mph (light breeze) occurs around February 1, at which time the average daily maximum wind speed is 12 mph (moderate breeze).