This report describes the typical weather at the Orlando International Airport (Orlando, Florida, United States) weather station over the course of an average May. It is based on the historical records from 1974 to 2012. Earlier records are either unavailable or unreliable.
Orlando, Florida has a warm humid temperate climate with hot summers and no dry season. The area within 25 mi of this station is covered by croplands (70%), forests (9%), lakes and rivers (8%), grasslands (8%), and built-up areas (4%).
The month of May is characterized by gradually rising daily high temperatures, with daily highs increasing from 85Â°F to 89Â°F over the course of the month, exceeding 93Â°F or dropping below 79Â°F only one day in ten.
Over the course of May, the length of the day is gradually increasing. The shortest day of the month is May 1 with 13:16 hours of daylight; the longest day is May 31 with 13:50 hours of daylight.
The earliest sunrise is at 6:28am on May 30; the latest sunset is at 8:18pm on May 31; the latest sunrise is at 6:44am on May 1; the earliest sunset is at 8:00pm on May 1.
Daylight savings time is observed in 2012 but it neither starts nor ends in May, so the entire month is in daylight time.
The median cloud cover ranges from 46% (partly cloudy) to 57% (partly cloudy). The trend is for the sky to be becoming cloudier with the median cloud cover increasing by 12% from the start to the end of the month.
On May 1, the clearest day of the month, the sky is clear, mostly clear, or partly cloudy 67% of the time, and overcast or mostly cloudy 33% of the time.
On May 31, the cloudiest day of the month, the sky is overcast, mostly cloudy, or partly cloudy 67% of the time, and clear or mostly clear 33% of the time.
The probability that precipitation will be observed at this location varies throughout the month. Precipitation is most likely around May 31, occurring in 50% of days. Precipitation is least likely around May 1, occurring in 30% of days.
Throughout May, the most common forms of precipitation are thunderstorms and light rain.
Thunderstorms are the most severe precipitation observed during 65% of those days with precipitation. They are most likely around May 31, when it is observed during 36% of all days.
Light rain is the most severe precipitation observed during 22% of those days with precipitation. It is most likely around May 4, when it is observed during 9% of all days.
Either snow is exceptionally unlikely to fall at this location in May or this station does not reliably report precipitation types.
The relative humidity typically ranges from 42% (comfortable) to 95% (very humid) over the course of a typical May, rarely dropping below 29% (dry) and reaching as high as 100% (very humid).
The air is driest around May 1, at which time the relative humidity drops below 47% (comfortable) three days out of four; it is most humid around May 30, rising above 93% (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 May, the dew point typically varies from 56Â°F (comfortable) to 72Â°F (very muggy) and is rarely below 46Â°F (dry) or above 75Â°F (very muggy).
Over the course of May typical wind speeds vary from 1 mph to 16 mph (light air to moderate breeze), rarely exceeding 20 mph (fresh breeze).
The highest average wind speed of 9 mph (gentle breeze) occurs around May 1, at which time the average daily maximum wind speed is 15 mph (moderate breeze).
The lowest average wind speed of 8 mph (gentle breeze) occurs around May 31, at which time the average daily maximum wind speed is 15 mph (moderate breeze).