This report describes the typical weather at the Scholes International Airport at Galveston (Galveston, Texas, United States) weather station over the course of an average June. It is based on the historical records from 1992 to 2012. Earlier records are either unavailable or unreliable.
Galveston, Texas has a warm humid temperate climate with hot summers and no dry season. The area within 25 mi of this station is covered by oceans and seas (76%) and croplands (21%).
The month of June is characterized by gradually rising daily high temperatures, with daily highs around 87°F throughout the month, exceeding 92°F or dropping below 83°F only one day in ten.
Over the course of June, the length of the day is essentially constant. The shortest day of the month is June 1 with 13:55 hours of daylight; the longest day is June 17 with 14:01 hours of daylight.
The earliest sunrise is at 6:19am on June 13; the latest sunset is at 8:23pm on June 28; the latest sunrise is at 6:23am on June 30; the earliest sunset is at 8:15pm on June 1.
Daylight saving time is observed in 2012 but it neither starts nor ends in June, so the entire month is in daylight time.
The median cloud cover ranges from 16% (mostly clear) to 27% (mostly clear). The trend is for the sky to be clearing with the median cloud cover decreasing by 11% from the start to the end of the month.
On June 30, the clearest day of the month, the sky is clear, mostly clear, or partly cloudy 75% of the time, and overcast or mostly cloudy 17% of the time.
On June 1, the cloudiest day of the month, the sky is overcast, mostly cloudy, or partly cloudy 36% of the time, and clear or mostly clear 58% of the time.
The probability that precipitation will be observed at this location varies throughout the month. Precipitation is most likely around June 28, occurring in 36% of days. Precipitation is least likely around June 1, occurring in 28% of days.
Throughout June, the most common forms of precipitation are thunderstorms, light rain, and moderate rain.
Thunderstorms are the most severe precipitation observed during 57% of those days with precipitation. They are most likely around June 29, when it is observed during 21% of all days.
Light rain is the most severe precipitation observed during 23% of those days with precipitation. It is most likely around June 8, when it is observed during 8% of all days.
Moderate rain is the most severe precipitation observed during 12% of those days with precipitation. It is most likely around June 1, when it is observed during 4% of all days.
Either snow is exceptionally unlikely to fall at this location in June or this station does not reliably report precipitation types.
The relative humidity typically ranges from 63% (mildly humid) to 87% (very humid) over the course of a typical June, rarely dropping below 52% (mildly humid) and reaching as high as 95% (very humid).
The air is driest around June 20, at which time the relative humidity drops below 69% (mildly humid) three days out of four; it is most humid around June 1, 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 June, the dew point typically varies from 70°F (muggy) to 77°F (oppressive) and is rarely below 65°F (mildy humid) or above 79°F (oppressive).
Over the course of June typical wind speeds vary from 5 mph to 17 mph (light breeze to moderate breeze), rarely exceeding 21 mph (fresh breeze).
The highest average wind speed of 12 mph (gentle breeze) occurs around June 1, at which time the average daily maximum wind speed is 17 mph (moderate breeze).
The lowest average wind speed of 11 mph (gentle breeze) occurs around June 30, at which time the average daily maximum wind speed is 15 mph (moderate breeze).