Average Weather in Hércules Mexico
In Hércules, the summers are long and hot; the winters are short, cold, and dry; and it is partly cloudy year round. Over the course of the year, the temperature typically varies from 38°F to 94°F and is rarely below 28°F or above 101°F.
Based on the tourism score, the best times of year to visit Hércules for warm-weather activities are from late April to early July and from mid August to mid October.
The hot season lasts for 3.9 months, from May 4 to September 1, with an average daily high temperature above 88°F. The hottest day of the year is June 10, with an average high of 94°F and low of 68°F.
The cool season lasts for 2.8 months, from November 23 to February 15, with an average daily high temperature below 70°F. The coldest day of the year is January 6, with an average low of 38°F and high of 63°F.
Average High and Low Temperature
The figure below shows you a compact characterization of the entire year of hourly average temperatures. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.
Average Hourly Temperature
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
La Rioja, Argentina (4,665 miles away); Barkly West, South Africa (9,328 miles); and Udhampur, India (8,233 miles) are the far-away foreign places with temperatures most similar to Hércules (view comparison).
In Hércules, the average percentage of the sky covered by clouds experiences significant seasonal variation over the course of the year.
The clearer part of the year in Hércules begins around April 30 and lasts for 2.1 months, ending around July 3. On June 9, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 78% of the time, and overcast or mostly cloudy 22% of the time.
The cloudier part of the year begins around July 3 and lasts for 9.9 months, ending around April 30. On August 24, the cloudiest day of the year, the sky is overcast or mostly cloudy 46% of the time, and clear, mostly clear, or partly cloudy 54% of the time.
Cloud Cover Categories
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days in Hércules varies throughout the year.
The wetter season lasts 3.8 months, from June 10 to October 3, with a greater than 15% chance of a given day being a wet day. The chance of a wet day peaks at 27% on August 1.
The drier season lasts 8.2 months, from October 3 to June 10. The smallest chance of a wet day is 2% on February 20.
Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 27% on August 1.
Daily Chance of Precipitation
To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. Hércules experiences some seasonal variation in monthly rainfall.
The rainy period of the year lasts for 5.5 months, from May 14 to October 29, with a sliding 31-day rainfall of at least 0.5 inches. The most rain falls during the 31 days centered around August 14, with an average total accumulation of 1.7 inches.
The rainless period of the year lasts for 6.5 months, from October 29 to May 14. The least rain falls around March 23, with an average total accumulation of 0.1 inches.
Average Monthly Rainfall
The length of the day in Hércules varies over the course of the year. In 2020, the shortest day is December 21, with 10 hours, 22 minutes of daylight; the longest day is June 20, with 13 hours, 55 minutes of daylight.
Hours of Daylight and Twilight
The earliest sunrise is at 6:41 AM on April 4, and the latest sunrise is 1 hour, 20 minutes later at 8:01 AM on October 24. The earliest sunset is at 5:59 PM on November 30, and the latest sunset is 2 hours, 57 minutes later at 8:55 PM on June 30.
Daylight saving time (DST) is observed in Hércules during 2020, starting in the spring on April 5, lasting 6.6 months, and ending in the fall on October 25.
Sunrise & Sunset with Twilight and Daylight Saving Time
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 perceived humidity level in Hércules, as measured by the percentage of time in which the humidity comfort level is muggy, oppressive, or miserable, does not vary significantly over the course of the year, staying within 1% of 1% throughout.
Humidity Comfort Levels
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
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 Hércules experiences mild seasonal variation over the course of the year.
The windier part of the year lasts for 3.6 months, from February 6 to May 25, with average wind speeds of more than 8.9 miles per hour. The windiest day of the year is April 9, with an average hourly wind speed of 10.1 miles per hour.
The calmer time of year lasts for 8.3 months, from May 25 to February 6. The calmest day of the year is October 9, with an average hourly wind speed of 7.8 miles per hour.
Average Wind Speed
The predominant average hourly wind direction in Hércules varies throughout the year.
The wind is most often from the south for 1.1 weeks, from May 14 to May 22 and for 1.4 months, from October 13 to November 24, with a peak percentage of 38% on October 16. The wind is most often from the east for 4.7 months, from May 22 to October 13, with a peak percentage of 73% on August 19. The wind is most often from the west for 5.7 months, from November 24 to May 14, with a peak percentage of 35% on January 1.
Best Time of Year to Visit
To characterize how pleasant the weather is in Hércules throughout the year, we compute two travel scores.
The tourism score favors clear, rainless days with perceived temperatures between 65°F and 80°F. Based on this score, the best times of year to visit Hércules for general outdoor tourist activities are from late April to early July and from mid August to mid October, with a peak score in the third week of May.
The beach/pool score favors clear, rainless days with perceived temperatures between 75°F and 90°F. Based on this score, the best time of year to visit Hércules for hot-weather activities is from late May to mid August, with a peak score in the second week of June.
For each hour between 8:00 AM and 9:00 PM of each day in the analysis period (1980 to 2016), independent scores are computed for perceived temperature, cloud cover, and total precipitation. Those scores are combined into a single hourly composite score, which is then aggregated into days, averaged over all the years in the analysis period, and smoothed.
Our cloud cover score is 10 for fully clear skies, falling linearly to 9 for mostly clear skies, and to 1 for fully overcast skies.
Our precipitation score, which is based on the three-hour precipitation centered on the hour in question, is 10 for no precipitation, falling linearly to 9 for trace precipitation, and to 0 for 0.04 inches of precipitation or more.
Our tourism temperature score is 0 for perceived temperatures below 50°F, rising linearly to 9 for 65°F, to 10 for 75°F, falling linearly to 9 for 80°F, and to 1 for 90°F or hotter.
Our beach/pool temperature score is 0 for perceived temperatures below 65°F, rising linearly to 9 for 75°F, to 10 for 82°F, falling linearly to 9 for 90°F, and to 1 for 100°F or hotter.
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).
The growing season in Hércules typically lasts for 9.4 months (287 days), from around February 16 to around November 29, rarely starting before January 20 or after March 17, and rarely ending before November 10 or after December 15.
Time Spent in Various Temperature Bands and the Growing Season
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
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.
Based on growing degree days alone, the first spring blooms in Hércules should appear around January 22, only rarely appearing before January 15 or after February 1.
Growing Degree Days
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 experiences significant seasonal variation over the course of the year.
The brighter period of the year lasts for 3.6 months, from April 3 to July 24, with an average daily incident shortwave energy per square meter above 7.1 kWh. The brightest day of the year is May 23, with an average of 7.9 kWh.
The darker period of the year lasts for 2.7 months, from November 9 to January 31, with an average daily incident shortwave energy per square meter below 4.6 kWh. The darkest day of the year is December 18, with an average of 3.8 kWh.
Average Daily Incident Shortwave Solar Energy
For the purposes of this report, the geographical coordinates of Hércules are 28.043 deg latitude, -103.791 deg longitude, and 4,347 ft elevation.
The topography within 2 miles of Hércules contains very significant variations in elevation, with a maximum elevation change of 1,106 feet and an average elevation above sea level of 4,388 feet. Within 10 miles contains very significant variations in elevation (3,251 feet). Within 50 miles contains large variations in elevation (5,495 feet).
The area within 2 miles of Hércules is covered by shrubs (90%), within 10 miles by shrubs (95%), and within 50 miles by shrubs (96%).
This report illustrates the typical weather in Hércules, 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 is only a single weather station, Presidio Lely International Airport, in our network suitable to be used as a proxy for the historical temperature and dew point records of Hércules.
At a distance of 186 kilometers from Hércules, further than our threshold of 150 kilometers, this station is deemed insufficiently nearby to be relied upon as our primary source for temperature and dew point records. Consequently, the station records are blended with interpolated values from NASA's MERRA-2 satellite-era reanalysis , and both are corrected for elevation differences according to the International Standard Atmosphere .
The weight assigned to the MERRA-2 value depends on the distance from Hércules to the nearest station, increasing from 0% at 150 kilometers to 100% at 200 kilometers. In this case, the MERRA-2 weight is 42%, making the weight assigned to the weather station 58%.
All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus.
All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid.
Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations.
Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory.
Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database .
Time zones for aiports and weather stations are provided by AskGeo.com .
Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC.
The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.
We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands.
We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader.