Spring Weather in Etzatlán Mexico

Daily high temperatures increase by 7°F, from 81°F to 89°F, rarely falling below 76°F or exceeding 93°F. The highest daily average high temperature is 90°F on May 19.

Daily low temperatures increase by 14°F, from 44°F to 59°F, rarely falling below 39°F or exceeding 63°F.

For reference, on May 19, the hottest day of the year, temperatures in Etzatlán typically range from 56°F to 90°F, while on January 16, the coldest day of the year, they range from 42°F to 76°F.

The figure below shows you a compact characterization of the hourly average spring temperatures. 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.

Capinota, Bolivia (3,696 miles away); Mokopane, South Africa (9,456 miles); and Sanaa, Yemen (9,152 miles) are the far-away foreign places with temperatures most similar to Etzatlán (view comparison).

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The spring in Etzatlán experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 40% throughout the season. The lowest chance of overcast or mostly cloudy conditions is 35% on May 18.

The clearest day of the spring is May 18, with clear, mostly clear, or partly cloudy conditions 65% of the time.

For reference, on September 2, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 90%, while on May 18, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 65%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Etzatlán, the chance of a wet day over the course of the spring is very rapidly increasing, starting the season at 4% and ending it at 22%.

For reference, the year's highest daily chance of a wet day is 82% on August 21, and its lowest chance is 1% on March 26.

Rainfall

To show variation within the season and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day rainfall during the spring in Etzatlán is rapidly increasing, starting the season at 0.3 inches, when it rarely exceeds 1.0 inches or falls below -0.0 inches, and ending the season at 2.1 inches, when it rarely exceeds 4.0 inches or falls below 0.5 inches.

The lowest average 31-day accumulation is 0.1 inches on April 15.

Over the course of the spring in Etzatlán, the length of the day is rapidly increasing. From the start to the end of the season, the length of the day increases by 1 hour, 33 minutes, implying an average daily increase of 1 minute, 2 seconds, and weekly increase of 7 minutes, 11 seconds.

The shortest day of the spring is March 1, with 11 hours, 45 minutes of daylight and the longest day is May 31, with 13 hours, 19 minutes of daylight.

The latest sunrise of the spring in Etzatlán is 7:16 AM on March 1 and the earliest sunrise is 1 hour, 1 minute earlier at 6:14 AM on May 31.

The earliest sunset is 7:01 PM on March 1 and the latest sunset is 32 minutes later at 7:33 PM on May 31.

Daylight saving time is not observed in Etzatlán during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 6:16 AM and sets 13 hours, 24 minutes later, at 7:39 PM, while on December 21, the shortest day of the year, it rises at 7:28 AM and sets 10 hours, 52 minutes later, at 6:20 PM.

The figure below presents a compact representation of the sun's elevation (the angle of the sun above the horizon) and azimuth (its compass bearing) for every hour of every day in the reporting period. The horizontal axis is the day of the year and the vertical axis is the hour of the day. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. The black isolines are contours of constant solar elevation.

The figure below presents a compact representation of key lunar data for the spring of 2024. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

The chance that a given day will be muggy in Etzatlán is gradually increasing during the spring, rising from 0% to 2% over the course of the season.

For reference, on August 29, the muggiest day of the year, there are muggy conditions 13% of the time, while on January 1, the least muggy day of the year, there are muggy conditions 0% of the time.

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed in Etzatlán is essentially constant during the spring, remaining within 0.3 miles per hour of 5.3 miles per hour throughout.

For reference, on April 16, the windiest day of the year, the daily average wind speed is 5.6 miles per hour, while on July 23, the calmest day of the year, the daily average wind speed is 3.4 miles per hour.

The highest daily average wind speed during the spring is 5.6 miles per hour on April 16.

The hourly average wind direction in Etzatlán throughout the spring is predominantly from the west, with a peak proportion of 62% on May 28.

Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

While it does not do so every year, freezing temperatures are seen in Etzatlán over some winters. The day least likely to be in the growing season is January 12, with a 60% chance.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

The average accumulated growing degree days in Etzatlán are very rapidly increasing during the spring, increasing by 1,698°F, from 667°F to 2,365°F, over the course of the season.

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy in Etzatlán is gradually increasing during the spring, rising by 0.6 kWh, from 6.4 kWh to 7.0 kWh, over the course of the season.

The highest average daily incident shortwave solar energy during the spring is 7.5 kWh on May 6.

For the purposes of this report, the geographical coordinates of Etzatlán are 20.768 deg latitude, -104.077 deg longitude, and 4,596 ft elevation.

The topography within 2 miles of Etzatlán contains very significant variations in elevation, with a maximum elevation change of 1,647 feet and an average elevation above sea level of 4,742 feet. Within 10 miles contains very significant variations in elevation (3,622 feet). Within 50 miles also contains extreme variations in elevation (8,832 feet).

The area within 2 miles of Etzatlán is covered by cropland (56%), trees (26%), and shrubs (11%), within 10 miles by cropland (40%) and shrubs (36%), and within 50 miles by trees (47%) and shrubs (28%).