This report describes the typical weather at the Nice Côte d'Azur Airport (Nice, France) 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.
Nice has a mediterranean climate with dry hot summers and mild winters. The area within 25 mi of this station is covered by oceans and seas (49%), croplands (44%), and forests (5%).
The month of May is characterized by rising daily high temperatures, with daily highs increasing from 65°F to 72°F over the course of the month, exceeding 77°F or dropping below 60°F only one day in ten.
Over the course of May, the length of the day is increasing. From the start to the end of the month, the length of the day increases by 1:02 hours, implying an average day-over-day increase of 2.0 minutes.
The shortest day of the month is May 1 with 14:11 hours of daylight; the longest day is May 31 with 15:13 hours of daylight.
The earliest sunrise is at 5:53am on May 30; the latest sunset is at 9:06pm on May 31; the latest sunrise is at 6:24am on May 1; the earliest sunset is at 8:34pm 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 41% (partly cloudy) to 49% (partly cloudy). The trend is for the sky to be clearing with the median cloud cover decreasing by 8% from the start to the end of the month.
On May 16, a representative day, the sky is clear or mostly clear 45% of the time, partly cloudy 22% of the time, and mostly cloudy or overcast 27% 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 34% of days. Precipitation is least likely around May 31, occurring in 28% of days.
Throughout May, the most common forms of precipitation are moderate rain, thunderstorms, and light rain.
Moderate rain is the most severe precipitation observed during 54% of those days with precipitation. It is most likely around May 1, when it is observed during 20% of all days.
Thunderstorms are the most severe precipitation observed during 27% of those days with precipitation. They are most likely around May 30, when it is observed during 9% of all days.
Light rain is the most severe precipitation observed during 17% of those days with precipitation. It is most likely around May 1, when it is observed during 6% 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 57% (mildly humid) to 90% (very humid) over the course of a typical May, rarely dropping below 40% (comfortable) and reaching as high as 100% (very humid).
The air is driest around May 29, at which time the relative humidity drops below 67% (mildly humid) three days out of four; it is most humid around May 9, rising above 85% (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 May, the dew point typically varies from 45°F (dry) to 61°F (comfortable) and is rarely below 38°F (dry) or above 66°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 2 mph to 14 mph (light air to moderate breeze), rarely exceeding 25 mph (strong breeze).
The highest average wind speed of 8 mph (gentle breeze) occurs around May 1, at which time the average daily maximum wind speed is 14 mph (moderate breeze).
The lowest average wind speed of 8 mph (gentle breeze) occurs around May 21, at which time the average daily maximum wind speed is 13 mph (moderate breeze).