Average Weather in May in San Andrés de la Cal Mexico
Daily high temperatures are around 86°F, rarely falling below 79°F or exceeding 93°F. The highest daily average high temperature is 87°F on May 3.
Daily low temperatures increase by 2°F, from 61°F to 63°F, rarely falling below 57°F or exceeding 66°F.
For reference, on April 27, the hottest day of the year, temperatures in San Andrés de la Cal typically range from 60°F to 87°F, while on January 12, the coldest day of the year, they range from 50°F to 78°F.
Average High and Low Temperature in May
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on May. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.
Average Hourly Temperature in May
Brasília, Brazil (4,231 miles away); Mchinji, Malawi (9,254 miles); and Chimala, Tanzania (9,238 miles) are the far-away foreign places with temperatures most similar to San Andrés de la Cal (view comparison).
The month of May in San Andrés de la Cal experiences very rapidly increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 47% to 66%.
The clearest day of the month is May 1, with clear, mostly clear, or partly cloudy conditions 53% of the time.
For reference, on September 12, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 89%, while on February 25, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 69%.
Cloud Cover Categories in May
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In San Andrés de la Cal, the chance of a wet day over the course of May is very rapidly increasing, starting the month at 15% and ending it at 45%.
For reference, the year's highest daily chance of a wet day is 77% on July 3, and its lowest chance is 2% on December 9.
Probability of Precipitation in May
The average sliding 31-day rainfall during May in San Andrés de la Cal is very rapidly increasing, starting the month at 0.7 inches, when it rarely exceeds 1.5 inches, and ending the month at 3.2 inches, when it rarely exceeds 5.6 inches or falls below 1.2 inches.
Average Monthly Rainfall in May
Over the course of May in San Andrés de la Cal, the length of the day is gradually increasing. From the start to the end of the month, the length of the day increases by 21 minutes, implying an average daily increase of 43 seconds, and weekly increase of 4 minutes, 59 seconds.
The shortest day of the month is May 1, with 12 hours, 50 minutes of daylight and the longest day is May 31, with 13 hours, 12 minutes of daylight.
Hours of Daylight and Twilight in May
The latest sunrise of the month in San Andrés de la Cal is 7:08 AM on May 1 and the earliest sunrise is 10 minutes earlier at 6:58 AM on May 31.
The earliest sunset is 7:58 PM on May 1 and the latest sunset is 11 minutes later at 8:10 PM on May 31.
Daylight saving time is observed in San Andrés de la Cal during 2018, but it neither starts nor ends during May, so the entire month is in daylight saving time.
For reference, on June 21, the longest day of the year, the Sun rises at 7:00 AM and sets 13 hours, 16 minutes later, at 8:16 PM, while on December 21, the shortest day of the year, it rises at 7:04 AM and sets 10 hours, 59 minutes later, at 6:04 PM.
Sunrise & Sunset with Twilight in May
The chance that a given day will be muggy in San Andrés de la Cal is essentially constant during May, remaining around 0% throughout.
For reference, on August 27, the muggiest day of the year, there are muggy conditions 0% of the time, while on January 1, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in May
The average hourly wind speed in San Andrés de la Cal is gradually decreasing during May, decreasing from 4.9 miles per hour to 4.2 miles per hour over the course of the month.
For reference, on March 17, the windiest day of the year, the daily average wind speed is 5.8 miles per hour, while on June 2, the calmest day of the year, the daily average wind speed is 4.2 miles per hour.
Average Wind Speed in May
Wind Direction in May
Temperatures in San Andrés de la Cal are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year.
Time Spent in Various Temperature Bands and the Growing Season in May
The average accumulated growing degree days in San Andrés de la Cal are rapidly increasing during May, increasing by 706°F, from 2,207°F to 2,912°F, over the course of the month.
Growing Degree Days in May
The average daily incident shortwave solar energy in San Andrés de la Cal is gradually decreasing during May, falling by 0.6 kWh, from 7.1 kWh to 6.6 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in May
For the purposes of this report, the geographical coordinates of San Andrés de la Cal are 18.957 deg latitude, -99.114 deg longitude, and 5,108 ft elevation.
The topography within 2 miles of San Andrés de la Cal contains large variations in elevation, with a maximum elevation change of 2,365 feet and an average elevation above sea level of 5,151 feet. Within 10 miles contains large variations in elevation (8,025 feet). Within 50 miles also contains extreme variations in elevation (15,538 feet).
The area within 2 miles of San Andrés de la Cal is covered by cropland (59%) and trees (38%), within 10 miles by trees (47%) and cropland (37%), and within 50 miles by cropland (39%) and trees (35%).
This report illustrates the typical weather in San Andrés de la Cal year round, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.
Temperature and Dew Point
There are 3 weather stations near enough to contribute to our estimation of the temperature and dew point in San Andrés de la Cal.
For each station, the records are corrected for the elevation difference between that station and San Andrés de la Cal according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.
The estimated value at San Andrés de la Cal is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between San Andrés de la Cal and a given station.
The stations contributing to this reconstruction are: Benito Juárez International Airport (43%, 54 kilometers, north); Licenciado Adolfo López Mateos International Airport (26%, 64 kilometers, northwest); and Hermanos Serdán International Airport (31%, 81 kilometers, east).
Time zones for aiports and weather stations are provided by AskGeo.com .