This report describes the typical weather at the Ben Gurion International Airport (Tel Aviv, Israel) 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.
Tel Aviv has a mediterranean climate with dry hot summers and mild winters. The area within 25 mi of this station is covered by croplands (62%), oceans and seas (26%), shrublands (6%), and built-up areas (6%).
The month of May is characterized by rising daily high temperatures, with daily highs increasing from 79°F to 84°F over the course of the month, exceeding 91°F or dropping below 71°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 13:26 hours of daylight; the longest day is May 31 with 14:06 hours of daylight.
The earliest sunrise is at 5:35am on May 31; the latest sunset is at 7:41pm on May 31; the latest sunrise is at 5:55am on May 1; the earliest sunset is at 7:21pm 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 26% (mostly clear) to 37% (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 May 31, the clearest day of the month, the sky is clear, mostly clear, or partly cloudy 78% of the time, and overcast or mostly cloudy 9% of the time.
On May 1, the cloudiest day of the month, the sky is overcast, mostly cloudy, or partly cloudy 40% of the time, and clear or mostly clear 47% of the time.
The probability that precipitation will be observed at this location varies throughout the month. Precipitation is most likely around May 1, occurring in 15% of days. Precipitation is least likely around May 31, occurring in 7% of days.
Throughout May, the most common forms of precipitation are moderate rain, light rain, and thunderstorms.
Moderate rain is the most severe precipitation observed during 63% of those days with precipitation. It is most likely around May 1, when it is observed during 9% of all days.
Light rain is the most severe precipitation observed during 19% of those days with precipitation. It is most likely around May 1, when it is observed during 3% of all days.
Thunderstorms are the most severe precipitation observed during 14% of those days with precipitation. They are most likely around May 1, when it is observed during 2% 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 39% (comfortable) to 91% (very humid) over the course of a typical May, rarely dropping below 18% (dry) and reaching as high as 100% (very humid).
The air is driest around May 1, at which time the relative humidity drops below 49% (comfortable) three days out of four; it is most humid around May 10, 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 May, the dew point typically varies from 46°F (dry) to 64°F (mildy humid) and is rarely below 37°F (dry) or above 68°F (muggy).
The time of the month between May 1 and May 31 is the most comfortable, with dew points that are neither too dry nor too muggy.
Over the course of May typical wind speeds vary from 1 mph to 15 mph (calm to moderate breeze), rarely exceeding 21 mph (fresh breeze).
The highest average wind speed of 7 mph (light breeze) occurs around May 3, at which time the average daily maximum wind speed is 15 mph (moderate breeze).
The lowest average wind speed of 7 mph (light breeze) occurs around May 29, at which time the average daily maximum wind speed is 15 mph (moderate breeze).