Average Weather in Changgou China
In Changgou, the summers are long, hot, humid, and partly cloudy and the winters are freezing, dry, and mostly clear. Over the course of the year, the temperature typically varies from 19°F to 89°F and is rarely below 11°F or above 97°F.
Based on the tourism score, the best times of year to visit Changgou for warm-weather activities are from early May to late June and from mid August to late September.
The hot season lasts for 4.3 months, from May 9 to September 18, with an average daily high temperature above 78°F. The hottest day of the year is July 15, with an average high of 89°F and low of 73°F.
The cold season lasts for 3.0 months, from November 23 to February 25, with an average daily high temperature below 46°F. The coldest day of the year is January 11, with an average low of 19°F and high of 36°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
In Changgou, the average percentage of the sky covered by clouds experiences mild seasonal variation over the course of the year.
The clearer part of the year in Changgou begins around September 7 and lasts for 5.4 months, ending around February 18. On December 8, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 77% of the time, and overcast or mostly cloudy 23% of the time.
The cloudier part of the year begins around February 18 and lasts for 6.6 months, ending around September 7. On June 17, the cloudiest day of the year, the sky is overcast or mostly cloudy 43% of the time, and clear, mostly clear, or partly cloudy 57% 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 Changgou varies significantly throughout the year.
The wetter season lasts 3.4 months, from June 4 to September 16, with a greater than 20% chance of a given day being a wet day. The chance of a wet day peaks at 40% on July 28.
The drier season lasts 8.6 months, from September 16 to June 4. The smallest chance of a wet day is 0% on December 14.
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 40% on July 28.
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. Changgou experiences extreme seasonal variation in monthly rainfall.
The rainy period of the year lasts for 6.6 months, from April 7 to October 26, with a sliding 31-day rainfall of at least 0.5 inches. The most rain falls during the 31 days centered around July 22, with an average total accumulation of 5.0 inches.
The rainless period of the year lasts for 5.4 months, from October 26 to April 7. The least rain falls around January 12, with an average total accumulation of 0.0 inches.
Average Monthly Rainfall
The length of the day in Changgou varies significantly over the course of the year. In 2020, the shortest day is December 21, with 9 hours, 22 minutes of daylight; the longest day is June 21, with 14 hours, 58 minutes of daylight.
Hours of Daylight and Twilight
The earliest sunrise is at 4:48 AM on June 13, and the latest sunrise is 2 hours, 49 minutes later at 7:37 AM on January 6. The earliest sunset is at 4:52 PM on December 7, and the latest sunset is 2 hours, 56 minutes later at 7:48 PM on June 27.
Daylight saving time (DST) is not observed in Changgou during 2020.
Sunrise & Sunset with Twilight
Changgou experiences extreme seasonal variation in the perceived humidity.
The muggier period of the year lasts for 2.9 months, from June 13 to September 9, during which time the comfort level is muggy, oppressive, or miserable at least 21% of the time. The muggiest day of the year is July 28, with muggy conditions 84% of the time.
The least muggy day of the year is November 29, when muggy conditions are essentially unheard of.
Humidity Comfort Levels
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in Changgou experiences significant seasonal variation over the course of the year.
The windier part of the year lasts for 3.8 months, from February 13 to June 7, with average wind speeds of more than 7.0 miles per hour. The windiest day of the year is April 19, with an average hourly wind speed of 8.8 miles per hour.
The calmer time of year lasts for 8.2 months, from June 7 to February 13. The calmest day of the year is August 14, with an average hourly wind speed of 5.2 miles per hour.
Average Wind Speed
The predominant average hourly wind direction in Changgou varies throughout the year.
The wind is most often from the south for 4.8 months, from May 3 to September 26, with a peak percentage of 45% on July 26. The wind is most often from the north for 7.3 months, from September 26 to May 3, with a peak percentage of 49% on January 1.
Best Time of Year to Visit
To characterize how pleasant the weather is in Changgou 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 Changgou for general outdoor tourist activities are from early May to late June and from mid August to late September, with a peak score in the first week of September.
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 Changgou for hot-weather activities is from mid June to late August, with a peak score in the last week of July.
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.
The growing season in Changgou typically lasts for 7.7 months (235 days), from around March 18 to around November 9, rarely starting before March 2 or after April 3, and rarely ending before October 25 or after November 23.
Time Spent in Various Temperature Bands and the Growing Season
Based on growing degree days alone, the first spring blooms in Changgou should appear around April 1, only rarely appearing before March 24 or after April 11.
Growing Degree Days
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 3.5 months, from April 10 to July 27, with an average daily incident shortwave energy per square meter above 5.9 kWh. The brightest day of the year is May 29, with an average of 6.7 kWh.
The darker period of the year lasts for 3.2 months, from October 31 to February 5, with an average daily incident shortwave energy per square meter below 3.2 kWh. The darkest day of the year is December 18, with an average of 2.3 kWh.
Average Daily Incident Shortwave Solar Energy
For the purposes of this report, the geographical coordinates of Changgou are 39.574 deg latitude, 115.896 deg longitude, and 138 ft elevation.
The topography within 2 miles of Changgou contains only modest variations in elevation, with a maximum elevation change of 135 feet and an average elevation above sea level of 139 feet. Within 10 miles contains only modest variations in elevation (3,301 feet). Within 50 miles also contains extreme variations in elevation (8,323 feet).
The area within 2 miles of Changgou is covered by cropland (75%) and artificial surfaces (22%), within 10 miles by cropland (59%) and artificial surfaces (18%), and within 50 miles by cropland (44%) and trees (30%).
This report illustrates the typical weather in Changgou, 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 are 3 weather stations near enough to contribute to our estimation of the temperature and dew point in Changgou.
For each station, the records are corrected for the elevation difference between that station and Changgou according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.
The estimated value at Changgou is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Changgou and a given station.
The stations contributing to this reconstruction are: Beijing Capital International Airport (56%, 82 kilometers, northeast); Tianjin Binhai International Airport (26%, 135 kilometers, east); and Shijiazhuang Zhengding International Airport (17%, 177 kilometers, southwest).
Time zones for aiports and weather stations are provided by AskGeo.com .