This report describes the typical weather at the General Abelardo L. Rodríguez International Airport (Tijuana, Mexico) weather station over the course of an average year. It is based on the historical records from 1990 to 2012. Earlier records are either unavailable or unreliable.
Tijuana has a cold semi-arid steppe climate. The area within 25 mi of this station is covered by shrublands (61%), oceans and seas (27%), and built-up areas (11%).
Over the course of a year, the temperature typically varies from 47Â°F to 82Â°F and is rarely below 41Â°F or above 89Â°F.
The warm season lasts from July 5 to October 4 with an average daily high temperature above 79Â°F. The hottest day of the year is August 28, with an average high of 82Â°F and low of 64Â°F.
The cold season lasts from December 1 to April 10 with an average daily high temperature below 69Â°F. The coldest day of the year is December 23, with an average low of 47Â°F and high of 66Â°F.
The length of the day varies significantly over the course of the year. The shortest day is December 21 with 10:01 hours of daylight; the longest day is June 20 with 14:18 hours of daylight.
The earliest sunrise is at 5:40am on June 8 and the latest sunset is at 8:00pm on June 25. The latest sunrise is at 7:08am on November 3 and the earliest sunset is at 4:42pm on November 29.
Daylight savings time (DST) is observed in this location during 2012, starting in the spring on March 11 and ending in the fall on November 4.
The median cloud cover ranges from 24% (mostly clear) to 59% (partly cloudy). The sky is cloudiest on March 12 and clearest on November 27. The clearer part of the year begins around July 11. The cloudier part of the year begins around January 30.
On November 27, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 61% of the time, and overcast or mostly cloudy 27% of the time.
On March 12, the cloudiest day of the year, the sky is overcast, mostly cloudy, or partly cloudy 50% of the time, and clear or mostly clear 35% of the time.
The probability that precipitation will be observed at this location varies throughout the year. Precipitation is most likely around January 28, occurring in 24% of days. Precipitation is least likely around August 19, occurring in 3% of days.
Over the entire year, the most common forms of precipitation are drizzle, moderate rain, and light rain.
Drizzle is the most severe precipitation observed during 36% of those days with precipitation. It is most likely around January 13, when it is observed during 8% of all days.
Moderate rain is the most severe precipitation observed during 34% of those days with precipitation. It is most likely around February 24, when it is observed during 11% of all days.
Light rain is the most severe precipitation observed during 27% of those days with precipitation. It is most likely around December 26, when it is observed during 7% of all days.
During the warm season, which lasts from July 5 to October 4, there is a 3% average chance that precipitation will be observed at some point during a given day. When precipitation does occur it is most often in the form of drizzle (39% of days with precipitation have at worst drizzle), moderate rain (25%), light rain (22%), and thunderstorms (11%).
During the cold season, which lasts from December 1 to April 10, there is a 22% average chance that precipitation will be observed at some point during a given day. When precipitation does occur it is most often in the form of moderate rain (38% of days with precipitation have at worst moderate rain), drizzle (31%), and light rain (28%).
Either snow is exceptionally unlikely to fall at any time during the year at this location or this station does not reliably report precipitation types.
The relative humidity typically ranges from 41% (comfortable) to 92% (very humid) over the course of the year, rarely dropping below 21% (dry) and reaching as high as 100% (very humid).
The air is driest around November 25, at which time the relative humidity drops below 54% (mildly humid) three days out of four; it is most humid around July 22, exceeding 88% (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 year, the dew point typically varies from 36Â°F (dry) to 67Â°F (muggy) and is rarely below 24Â°F (dry) or above 71Â°F (very muggy).
There are two periods in the year that are most comfortable: The first is between January 1 and July 18 and the second is between September 13 and December 31. The air feels neither too dry nor too muggy during these periods.
Over the course of the year typical wind speeds vary from 0 mph to 14 mph (calm to moderate breeze), rarely exceeding 20 mph (fresh breeze).
The highest average wind speed of 6 mph (light breeze) occurs around July 20, at which time the average daily maximum wind speed is 14 mph (moderate breeze).
The lowest average wind speed of 4 mph (light breeze) occurs around January 19, at which time the average daily maximum wind speed is 12 mph (gentle breeze).