December Weather in Miao’ergou ChinaDaily high temperatures decrease by 7°F, from 25°F to 18°F, rarely falling below 7°F or exceeding 36°F. Daily low temperatures decrease by 7°F, from 10°F to 3°F, rarely falling below -8°F or exceeding 19°F. For reference, on July 23, the hottest day of the year, temperatures in Miao’ergou typically range from 56°F to 80°F, while on January 17, the coldest day of the year, they range from 0°F to 17°F. The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on December. 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. Outlook, Canada (5,708 miles away) and Cando, United States (5,946 miles) are the far-away foreign places with temperatures most similar to Miao’ergou (view comparison). CloudsThe month of December in Miao’ergou experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 49% throughout the month. The clearest day of the month is December 1, with clear, mostly clear, or partly cloudy conditions 53% of the time. For reference, on January 31, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 52%, while on August 20, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 76%. PrecipitationA wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Miao’ergou, the chance of a wet day over the course of December is essentially constant, remaining around 1% throughout. For reference, the year's highest daily chance of a wet day is 14% on July 9, and its lowest chance is 1% on February 3. SunOver the course of December in Miao’ergou, the length of the day is essentially constant. The shortest day of the month is December 21, with 8 hours, 42 minutes of daylight and the longest day is December 1, with 8 hours, 58 minutes of daylight. The earliest sunrise of the month in Miao’ergou is 7:44 AM on December 1 and the latest sunrise is 20 minutes later at 8:04 AM on December 31. The earliest sunset is 4:40 PM on December 10 and the latest sunset is 10 minutes later at 4:50 PM on December 31. Daylight saving time is not observed in Miao’ergou during 2024. For reference, on June 20, the longest day of the year, the Sun rises at 4:35 AM and sets 15 hours, 41 minutes later, at 8:16 PM, while on December 21, the shortest day of the year, it rises at 8:01 AM and sets 8 hours, 42 minutes later, at 4:43 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 December 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 Miao’ergou is essentially constant during December, 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 Miao’ergou is gradually decreasing during December, decreasing from 7.2 miles per hour to 6.7 miles per hour over the course of the month. For reference, on May 6, the windiest day of the year, the daily average wind speed is 10.7 miles per hour, while on January 19, the calmest day of the year, the daily average wind speed is 6.5 miles per hour. The hourly average wind direction in Miao’ergou throughout December is predominantly from the west, with a peak proportion of 41% on December 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 Miao’ergou typically lasts for 4.3 months (132 days), from around May 12 to around September 21, rarely starting before April 23 or after May 30, and rarely ending before September 2 or after October 8. The month of December in Miao’ergou is reliably fully outside of the growing season. 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 Miao’ergou are essentially constant during December, remaining around 1,955°F throughout. 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 Miao’ergou is essentially constant during December, remaining within 0.1 kWh of 1.7 kWh throughout. The lowest average daily incident shortwave solar energy during December is 1.6 kWh on December 19. TopographyFor the purposes of this report, the geographical coordinates of Miao’ergou are 45.516 deg latitude, 83.864 deg longitude, and 4,934 ft elevation. The topography within 2 miles of Miao’ergou contains significant variations in elevation, with a maximum elevation change of 692 feet and an average elevation above sea level of 4,959 feet. Within 10 miles contains significant variations in elevation (2,470 feet). Within 50 miles contains large variations in elevation (8,202 feet). The area within 2 miles of Miao’ergou is covered by grassland (99%), within 10 miles by grassland (97%), and within 50 miles by grassland (76%) and bare soil (16%). Data SourcesThis report illustrates the typical weather in Miao’ergou, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016. Miao’ergou 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 Miao’ergou, 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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