This report describes the typical weather at the South Padre Island (South Padre Island, Texas, United States) weather station over the course of an average January. It is based on the historical records from 2010 to 2013. Earlier records are either unavailable or unreliable.
South Padre Island, 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 (63%), grasslands (26%), marshes (4%), and lakes and rivers (3%).
The month of January is characterized by falling daily high temperatures, with daily highs decreasing from 72Â°F to 65Â°F over the course of the month, exceeding 73Â°F or dropping below 61Â°F only one day in ten.
Over the course of January, the length of the day is essentially constant. The shortest day of the month is January 3 with 10:33 hours of daylight; the longest day is January 31 with 10:58 hours of daylight.
The earliest sunrise is at 7:13am on January 31; the latest sunset is at 6:11pm on January 31; the latest sunrise is at 7:18am on January 12; the earliest sunset is at 5:49pm on January 1.
Daylight saving time is observed in 2013 but it neither starts nor ends in January, so the entire month is in standard time.
The median cloud cover ranges from 50% (partly cloudy) to 58% (partly cloudy). The trend is for the sky to be becoming cloudier with the median cloud cover increasing by 7% from the start to the end of the month.
On January 16, a representative day, the sky is clear or mostly clear 26% of the time, partly cloudy 3% of the time, and mostly cloudy or overcast 28% of the time.
The probability that precipitation will be observed at this location varies throughout the month. Precipitation is most likely around January 1, occurring in 46% of days. Precipitation is least likely around January 31, occurring in 36% of days.
Throughout January, the most common forms of precipitation are light rain, moderate rain, and thunderstorms.
Light rain is the most severe precipitation observed during 52% of those days with precipitation. It is most likely around January 14, when it is observed during 24% of all days.
Moderate rain is the most severe precipitation observed during 29% of those days with precipitation. It is most likely around January 1, when it is observed during 14% of all days.
Thunderstorms are the most severe precipitation observed during 13% of those days with precipitation. They are most likely around January 1, when it is observed during 7% of all days.
Either snow is exceptionally unlikely to fall at this location in January or this station does not reliably report precipitation types.
The relative humidity typically ranges from 68% (mildly humid) to 98% (very humid) over the course of a typical January, rarely dropping below 60% (mildly humid) and reaching as high as 100% (very humid).
The air is driest around January 31, at which time the relative humidity drops below 74% (humid) three days out of four; it is most humid around January 14, rising above 97% (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 January, the dew point typically varies from 48Â°F (dry) to 64Â°F (mildy humid) and is rarely below 42Â°F (dry) or above 65Â°F (mildy humid).
The time of the month between January 1 and January 31 is the most comfortable, with dew points that are neither too dry nor too muggy.
Over the course of January typical wind speeds vary from 3 mph to 19 mph (light air to fresh breeze), rarely exceeding 22 mph (fresh breeze).
The highest average wind speed of 11 mph (gentle breeze) occurs around January 3, at which time the average daily maximum wind speed is 19 mph (fresh breeze).
The lowest average wind speed of 9 mph (gentle breeze) occurs around January 23, at which time the average daily maximum wind speed is 15 mph (moderate breeze).