January Weather in Huachacalla BoliviaDaily high temperatures are around 69°F, rarely falling below 63°F or exceeding 74°F. Daily low temperatures are around 40°F, rarely falling below 34°F or exceeding 44°F. The highest daily average low temperature is 40°F on January 21. For reference, on December 6, the hottest day of the year, temperatures in Huachacalla typically range from 38°F to 70°F, while on July 19, the coldest day of the year, they range from 27°F to 59°F. The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on January. 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. La Ciudad, Mexico (3,876 miles away) and Cerro La Calera, Mexico (3,389 miles) are the far-away foreign places with temperatures most similar to Huachacalla (view comparison). CloudsThe month of January in Huachacalla experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 66% throughout the month. The highest chance of overcast or mostly cloudy conditions is 68% on January 16. The clearest day of the month is January 1, with clear, mostly clear, or partly cloudy conditions 36% of the time. For reference, on January 16, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 68%, while on July 21, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 78%. PrecipitationA wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Huachacalla, the chance of a wet day over the course of January is gradually increasing, starting the month at 24% and ending it at 27%. For reference, the year's highest daily chance of a wet day is 29% on January 12, and its lowest chance is 1% on July 21. RainfallTo show variation within the month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day. The average sliding 31-day rainfall during January in Huachacalla is essentially constant, remaining about 1.4 inches throughout, and rarely exceeding 3.1 inches or falling below 0.3 inches. The highest average 31-day accumulation is 1.5 inches on January 20. SunOver the course of January in Huachacalla, the length of the day is gradually decreasing. From the start to the end of the month, the length of the day decreases by 18 minutes, implying an average daily decrease of 36 seconds, and weekly decrease of 4 minutes, 12 seconds. The shortest day of the month is January 31, with 12 hours, 56 minutes of daylight and the longest day is January 1, with 13 hours, 14 minutes of daylight. The earliest sunrise of the month in Huachacalla is 5:59 AM on January 1 and the latest sunrise is 19 minutes later at 6:18 AM on January 31. The earliest sunset is 7:13 PM on January 1 and the latest sunset is 2 minutes, 49 seconds later at 7:16 PM on January 18. Daylight saving time is not observed in Huachacalla during 2024. For reference, on December 21, the longest day of the year, the Sun rises at 5:53 AM and sets 13 hours, 16 minutes later, at 7:09 PM, while on June 20, the shortest day of the year, it rises at 7:04 AM and sets 11 hours, 0 minutes later, at 6:04 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. MoonThe figure below presents a compact representation of key lunar data for January 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.
HumidityWe 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 Huachacalla is essentially constant during January, remaining around 0% throughout. WindThis 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 Huachacalla is essentially constant during January, remaining within 0.1 miles per hour of 6.5 miles per hour throughout. For reference, on July 10, the windiest day of the year, the daily average wind speed is 7.4 miles per hour, while on April 11, the calmest day of the year, the daily average wind speed is 5.7 miles per hour. The wind direction in Huachacalla during January is predominantly out of the east from January 1 to January 8 and the north from January 8 to January 31. Growing SeasonDefinitions 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 Huachacalla typically lasts for 1.9 months (60 days), from around December 20 to around February 18, rarely starting before November 14, or ending after April 23. The month of January in Huachacalla is more likely than not fully within the growing season, with the chance that a given day is in the growing season reaching a high of 66% on January 15. 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 Huachacalla are increasing during January, increasing by 191°F, from 856°F to 1,047°F, over the course of the month. Solar EnergyThis 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 Huachacalla is essentially constant during January, remaining within 0.1 kWh of 7.9 kWh throughout. TopographyFor the purposes of this report, the geographical coordinates of Huachacalla are -18.793 deg latitude, -68.262 deg longitude, and 12,313 ft elevation. The topography within 2 miles of Huachacalla contains large variations in elevation, with a maximum elevation change of 2,434 feet and an average elevation above sea level of 12,622 feet. Within 10 miles contains large variations in elevation (3,602 feet). Within 50 miles also contains extreme variations in elevation (7,300 feet). The area within 2 miles of Huachacalla is covered by bare soil (41%), sparse vegetation (19%), grassland (18%), and trees (17%), within 10 miles by bare soil (60%) and sparse vegetation (14%), and within 50 miles by bare soil (60%) and sparse vegetation (17%). Data SourcesThis report illustrates the typical weather in Huachacalla, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016. Huachacalla is further than 200 kilometers from the nearest reliable weather station, so the weather-related data on this page were taken entirely from NASA's MERRA-2 satellite-era reanalysis . 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. The temperature and dew point estimates are corrected for the difference between the reference elevation of the MERRA-2 grid cell and the elevation of Huachacalla, according to the International Standard Atmosphere . 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. 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 airports and weather stations are provided by AskGeo.com . Maps are © OpenStreetMap contributors. DisclaimerThe 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. 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