This report describes the typical weather at the Subteniente FAP Alejandro Velasco Astete International Airport (Cusco, Peru) weather station over the course of an average March. It is based on the historical records from 1987 to 2012. Earlier records are either unavailable or unreliable.
Cusco has a mild temperate climate with dry winters and warm summers. The area within 25 mi of this station is covered by grasslands (86%), shrublands (5%), and croplands (5%).
The month of March is characterized by essentially constant daily high temperatures, with daily highs around 66°F throughout the month, exceeding 71°F or dropping below 61°F only one day in ten.
Over the course of March, the length of the day is essentially constant. The shortest day of the month is March 31 with 11:58 hours of daylight; the longest day is March 1 with 12:21 hours of daylight.
The earliest sunrise is at 5:50am on March 1; the latest sunset is at 6:11pm on March 1; the latest sunrise is at 5:53am on March 30; the earliest sunset is at 5:51pm on March 31.
Daylight savings time (DST) is not observed in 2012.
The median cloud cover ranges from 57% (partly cloudy) to 68% (partly cloudy). The trend is for the sky to be clearing with the median cloud cover decreasing by 12% from the start to the end of the month.
On March 31, the clearest day of the month, the sky is clear, mostly clear, or partly cloudy 61% of the time, and overcast or mostly cloudy 36% of the time.
On March 1, the cloudiest day of the month, the sky is overcast, mostly cloudy, or partly cloudy 70% of the time, and clear or mostly clear 27% of the time.
The probability that precipitation will be observed at this location varies throughout the month. Precipitation is most likely around March 1, occurring in 66% of days. Precipitation is least likely around March 31, occurring in 49% of days.
Throughout March, the most common forms of precipitation are moderate rain, light rain, drizzle, and thunderstorms.
Moderate rain is the most severe precipitation observed during 38% of those days with precipitation. It is most likely around March 1, when it is observed during 26% of all days.
Light rain is the most severe precipitation observed during 30% of those days with precipitation. It is most likely around March 1, when it is observed during 19% of all days.
Drizzle is the most severe precipitation observed during 13% of those days with precipitation. It is most likely around March 3, when it is observed during 8% of all days.
Thunderstorms are the most severe precipitation observed during 13% of those days with precipitation. They are most likely around March 4, when it is observed during 9% of all days.
Either snow is exceptionally unlikely to fall at this location in March or this station does not reliably report precipitation types.
The relative humidity typically ranges from 42% (comfortable) to 94% (very humid) over the course of a typical March, rarely dropping below 32% (comfortable) and reaching as high as 100% (very humid).
The air is driest around March 31, at which time the relative humidity drops below 47% (comfortable) three days out of four; it is most humid around March 1, rising above 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 typical March, the dew point typically varies from 39°F (dry) to 48°F (dry) and is rarely below 35°F (dry) or above 50°F (very comfortable).
Over the course of March typical wind speeds vary from 0 mph to 12 mph (calm to moderate breeze), rarely exceeding 20 mph (fresh breeze).
The highest average wind speed of 3 mph (light air) occurs around March 2, at which time the average daily maximum wind speed is 12 mph (moderate breeze).
The lowest average wind speed of 3 mph (light air) occurs around March 25, at which time the average daily maximum wind speed is 12 mph (moderate breeze).