This report describes the typical weather at the MacDill Air Force Base (Tampa, Florida, United States) weather station over the course of an average October. It is based on the historical records from 1974 to 2012. Earlier records are either unavailable or unreliable.
Tampa, 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 (46%), oceans and seas (30%), built-up areas (14%), grasslands (5%), and forests (4%).
The month of October is characterized by falling daily high temperatures, with daily highs decreasing from 87°F to 81°F over the course of the month, exceeding 91°F or dropping below 74°F only one day in ten.
Over the course of October, the length of the day is gradually decreasing. From the start to the end of the month, the length of the day decreases by 46 minutes, implying an average day-over-day decrease of 1.5 minutes.
The shortest day of the month is October 31 with 11:06 hours of daylight; the longest day is October 1 with 11:52 hours of daylight.
The earliest sunrise is at 7:23am on October 1; the latest sunset is at 7:15pm on October 1; the latest sunrise is at 7:40am on October 30; the earliest sunset is at 6:46pm on October 31.
Daylight saving time is observed in 2012 but it neither starts nor ends in October, so the entire month is in daylight time.
The median cloud cover ranges from 49% (partly cloudy) to 58% (partly cloudy). The trend is for the sky to be clearing with the median cloud cover decreasing by 9% from the start to the end of the month.
On October 16, a representative day, the sky is clear or mostly clear 30% of the time, partly cloudy 29% of the time, and mostly cloudy or overcast 37% of the time.
The probability that precipitation will be observed at this location varies throughout the month. Precipitation is most likely around October 1, occurring in 42% of days. Precipitation is least likely around October 31, occurring in 26% of days.
Throughout October, the most common forms of precipitation are light rain and thunderstorms.
Light rain is the most severe precipitation observed during 45% of those days with precipitation. It is most likely around October 14, when it is observed during 15% of all days.
Thunderstorms are the most severe precipitation observed during 40% of those days with precipitation. They are most likely around October 1, when it is observed during 23% of all days.
Either snow is exceptionally unlikely to fall at this location in October or this station does not reliably report precipitation types.
The relative humidity typically ranges from 51% (mildly humid) to 92% (very humid) over the course of a typical October, rarely dropping below 37% (comfortable) and reaching as high as 100% (very humid).
The air is driest around October 23, at which time the relative humidity drops below 59% (mildly humid) three days out of four; it is most humid around October 1, rising above 87% (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 October, the dew point typically varies from 57°F (comfortable) to 73°F (very muggy) and is rarely below 45°F (dry) or above 78°F (oppressive).
Over the course of October typical wind speeds vary from 2 mph to 12 mph (light air to moderate breeze), rarely exceeding 18 mph (fresh breeze).
The highest average wind speed of 7 mph (light breeze) occurs around October 29, at which time the average daily maximum wind speed is 12 mph (moderate breeze).
The lowest average wind speed of 7 mph (light breeze) occurs around October 2, at which time the average daily maximum wind speed is 12 mph (gentle breeze).