Average Weather in January in Pengzhou China
Daily high temperatures are around 50°F, rarely falling below 38°F or exceeding 65°F. The lowest daily average high temperature is 49°F on January 20.
Daily low temperatures are around 38°F, rarely falling below 29°F or exceeding 48°F. The lowest daily average low temperature is 37°F on January 19.
For reference, on July 22, the hottest day of the year, temperatures in Pengzhou typically range from 79°F to 92°F, while on January 19, the coldest day of the year, they range from 37°F to 49°F.
Average High and Low Temperature in January
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.
Average Hourly Temperature in January
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The month of January in Pengzhou experiences increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 34% to 42%.
The clearest day of the month is January 1, with clear, mostly clear, or partly cloudy conditions 66% of the time.
For reference, on July 4, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 77%, while on October 22, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 73%.
Cloud Cover Categories in January
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. In Pengzhou, the chance of a wet day over the course of January is very rapidly increasing, starting the month at 17% and ending it at 29%.
For reference, the year's highest daily chance of a wet day is 52% on April 5, and its lowest chance is 14% on December 17.
Over the course of January in Pengzhou, the chance of a day with only rain increases from 16% to 26%, the chance of a day with mixed snow and rain remains an essentially constant 2% throughout, and the chance of a day with only snow remains an essentially constant 1% throughout.
Probability of Precipitation in January
To 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 Pengzhou is rapidly increasing, starting the month at 1.7 inches, when it rarely exceeds 3.9 inches or falls below 0.2 inches, and ending the month at 2.7 inches, when it rarely exceeds 5.2 inches or falls below 0.7 inches.
Average Monthly Rainfall in January
We report snowfall in liquid-equivalent terms. The actual depth of new snowfall is typically between 5 and 10 times the liquid-equivalent amount, assuming the ground is frozen. As with rainfall, we consider the liquid-equivalent snowfall accumulated over a sliding 31-day period centered around each day.
The average sliding 31-day liquid-equivalent snowfall during January in Pengzhou is essentially constant, remaining about 0.1 inches throughout, and rarely exceeding 0.5 inches or falling below -0.0 inches.
Average Monthly Liquid-Equivalent Snowfall in January
Over the course of January in Pengzhou, the length of the day is gradually increasing. From the start to the end of the month, the length of the day increases by 26 minutes, implying an average daily increase of 52 seconds, and weekly increase of 6 minutes, 5 seconds.
The shortest day of the month is January 1, with 10 hours, 26 minutes of daylight and the longest day is January 31, with 10 hours, 52 minutes of daylight.
Hours of Daylight and Twilight in January
The latest sunrise of the month in Pengzhou is 7:08 AM on January 12 and the earliest sunrise is 4 minutes earlier at 7:04 AM on January 31.
The earliest sunset is 5:33 PM on January 1 and the latest sunset is 23 minutes later at 5:56 PM on January 31.
Daylight saving time is not observed in Pengzhou during 2020.
For reference, on June 20, the longest day of the year, the Sun rises at 5:22 AM and sets 13 hours, 53 minutes later, at 7:15 PM, while on December 21, the shortest day of the year, it rises at 7:03 AM and sets 10 hours, 24 minutes later, at 5:27 PM.
Sunrise & Sunset with Twilight in January
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 Pengzhou is essentially constant during January, remaining around 0% throughout.
For reference, on July 8, the muggiest day of the year, there are muggy conditions 100% of the time, while on December 30, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in January
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 Pengzhou is essentially constant during January, remaining within 0.2 miles per hour of 7.0 miles per hour throughout.
For reference, on March 26, the windiest day of the year, the daily average wind speed is 7.7 miles per hour, while on August 21, the calmest day of the year, the daily average wind speed is 6.0 miles per hour.
The lowest daily average wind speed during January is 6.8 miles per hour on January 2.
Average Wind Speed in January
The hourly average wind direction in Pengzhou throughout January is predominantly from the north, with a peak proportion of 67% on January 19.
Wind Direction in January
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 Pengzhou typically lasts for 10 months (309 days), from around February 11 to around December 16, rarely starting before January 16 or after March 6, and rarely ending before November 23 or after January 10.
The month of January in Pengzhou is more likely than not fully outside of the growing season, with the chance that a given day is in the growing season reaching a low of 9% on January 12.
Time Spent in Various Temperature Bands and the Growing Season in January
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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 Pengzhou are gradually increasing during January, increasing by 39°F, from 0°F to 39°F, over the course of the month.
Growing Degree Days in January
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 Pengzhou is essentially constant during January, remaining within 0.1 kWh of 3.3 kWh throughout.
The lowest average daily incident shortwave solar energy during January is 3.1 kWh on January 9.
Average Daily Incident Shortwave Solar Energy in January
For the purposes of this report, the geographical coordinates of Pengzhou are 27.492 deg latitude, 115.724 deg longitude, and 449 ft elevation.
The topography within 2 miles of Pengzhou contains significant variations in elevation, with a maximum elevation change of 522 feet and an average elevation above sea level of 463 feet. Within 10 miles contains significant variations in elevation (2,051 feet). Within 50 miles contains large variations in elevation (5,466 feet).
The area within 2 miles of Pengzhou is covered by trees (59%) and shrubs (32%), within 10 miles by trees (65%) and shrubs (16%), and within 50 miles by trees (62%) and cropland (22%).
This report illustrates the typical weather in Pengzhou 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 is only a single weather station, Nanchang Changbei International Airport, in our network suitable to be used as a proxy for the historical temperature and dew point records of Pengzhou.
At a distance of 154 kilometers from Pengzhou, 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 Pengzhou to the nearest station, increasing from 0% at 150 kilometers to 100% at 200 kilometers. In this case, the MERRA-2 weight is 7%, making the weight assigned to the weather station 93%.
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.