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January Weather in Xiyuan China

Daily high temperatures are around 57°F, rarely falling below 44°F or exceeding 69°F. The lowest daily average high temperature is 56°F on January 26.

Daily low temperatures are around 38°F, rarely falling below 28°F or exceeding 49°F. The lowest daily average low temperature is 38°F on January 23.

For reference, on July 16, the hottest day of the year, temperatures in Xiyuan typically range from 71°F to 89°F, while on January 23, the coldest day of the year, they range from 38°F to 56°F.

Average High and Low Temperature in January in Xiyuan

Average High and Low Temperature in January in XiyuanJan112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313125°F25°F30°F30°F35°F35°F40°F40°F45°F45°F50°F50°F55°F55°F60°F60°F65°F65°F70°F70°F75°F75°FDecFebJan 2056°FJan 2056°F38°F38°FJan 157°FJan 157°F39°F39°FJan 3156°FJan 3156°F39°F39°FJan 1156°FJan 1156°F38°F38°F
The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. The thin dotted lines are the corresponding average perceived temperatures.

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 in Xiyuan

Average Hourly Temperature in January in XiyuanJan112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMDecFebvery coldvery coldcoldcoldcoolcold
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
The average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight.

Havelock, North Carolina, United States (8,153 miles away) is the far-away foreign place with temperatures most similar to Xiyuan (view comparison).

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The month of January in Xiyuan experiences gradually increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 25% to 32%.

The clearest day of the month is January 1, with clear, mostly clear, or partly cloudy conditions 75% of the time.

For reference, on June 25, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 80%, while on December 18, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 76%.

Cloud Cover Categories in January in Xiyuan

Cloud Cover Categories in January in XiyuanJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%DecFebJan 175%Jan 175%Jan 3168%Jan 3168%Jan 1173%Jan 1173%Jan 2171%Jan 2171%clearmostly clearpartly cloudymostly cloudyovercast
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Xiyuan, the chance of a wet day over the course of January is rapidly increasing, starting the month at 11% and ending it at 17%.

For reference, the year's highest daily chance of a wet day is 49% on June 9, and its lowest chance is 10% on October 23.

Over the course of January in Xiyuan, the chance of a day with only rain increases from 10% to 16%, the chance of a day with mixed snow and rain remains an essentially constant 1% throughout, and the chance of a day with only snow remains an essentially constant 0% throughout.

Probability of Precipitation in January in Xiyuan

The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day).

Rainfall

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 Xiyuan is increasing, starting the month at 1.1 inches, when it rarely exceeds 2.7 inches, and ending the month at 2.0 inches, when it rarely exceeds 4.5 inches or falls below 0.2 inches.

Average Monthly Rainfall in January in Xiyuan

The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The thin dotted line is the corresponding average snowfall.

Over the course of January in Xiyuan, the length of the day is gradually increasing. From the start to the end of the month, the length of the day increases by 24 minutes, implying an average daily increase of 48 seconds, and weekly increase of 5 minutes, 34 seconds.

The shortest day of the month is January 1, with 10 hours, 35 minutes of daylight and the longest day is January 31, with 10 hours, 59 minutes of daylight.

Hours of Daylight and Twilight in January in Xiyuan

The number of hours during which the Sun is visible (black line). From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night.

The latest sunrise of the month in Xiyuan is 6:53 AM on January 14 and the earliest sunrise is 4 minutes earlier at 6:49 AM on January 31.

The earliest sunset is 5:26 PM on January 1 and the latest sunset is 22 minutes later at 5:48 PM on January 31.

Daylight saving time is not observed in Xiyuan during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 5:15 AM and sets 13 hours, 44 minutes later, at 6:59 PM, while on December 21, the shortest day of the year, it rises at 6:47 AM and sets 10 hours, 33 minutes later, at 5:20 PM.

Sunrise & Sunset with Twilight in January in Xiyuan

Sunrise & Sunset with Twilight in January in XiyuanJan112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMDecFeb6:49 AM6:49 AMJan 315:48 PMJan 315:48 PM6:51 AM6:51 AMJan 15:26 PMJan 15:26 PM6:53 AM6:53 AMJan 145:35 PMJan 145:35 PMSolarMidnightSolarMidnightSolarNoonSunriseSunset
The solar day over the course of January. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray.

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.

Solar Elevation and Azimuth in January in Xiyuan

Solar Elevation and Azimuth in January in XiyuanJan112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMDecFeb0010102020203030404050000101020203030304040
northeastsouthwest
Solar elevation and azimuth over the course of January 2024. The black lines are lines of constant solar elevation (the angle of the sun above the horizon, in degrees). The background color fills indicate the azimuth (the compass bearing) of the sun. The lightly tinted areas at the boundaries of the cardinal compass points indicate the implied intermediate directions (northeast, southeast, southwest, and northwest).

The 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.

Moon Rise, Set & Phases in January in Xiyuan

Moon Rise, Set & Phases in January in XiyuanJan112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMDecFebDec 137:33 AMDec 137:33 AMDec 278:34 AMDec 278:34 AMJan 117:58 PMJan 117:58 PMJan 261:55 AMJan 261:55 AMFeb 107:00 AMFeb 107:00 AMFeb 248:31 PMFeb 248:31 PM6:53 AM6:53 AM5:23 PM5:23 PM4:32 PM4:32 PM7:02 AM7:02 AM6:41 AM6:41 AM5:13 PM5:13 PM5:15 PM5:15 PM7:19 AM7:19 AM7:02 AM7:02 AM6:20 PM6:20 PM5:53 PM5:53 PM7:01 AM7:01 AM
The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. The shaded overlays indicate night and civil twilight.
Jan 2024IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
79%-10:29 AMWNW10:06 PME3:53 AMS251,362 mi
2
71%-10:58 AMW10:56 PME4:34 AMS251,584 mi
3
62%-11:26 AMW11:47 PME5:12 AMS251,014 mi
4
50%-11:54 AMW-5:51 AMS249,615 mi
5
43%12:38 AME12:23 PMWSW-6:31 AMS247,413 mi
6
33%1:32 AMESE12:55 PMWSW-7:13 AMS244,507 mi
7
23%2:28 AMESE1:32 PMWSW-8:00 AMS241,069 mi
8
15%3:29 AMESE2:15 PMWSW-8:52 AMS237,345 mi
9
8%4:33 AMESE3:06 PMWSW-9:49 AMS233,637 mi
10
3%5:38 AMESE4:06 PMWSW-10:52 AMS230,281 mi
11
0%6:41 AMESE5:13 PMWSW-11:57 AMS227,599 mi
12
1%7:38 AMESE6:24 PMWSW-1:01 PMS225,837 mi
13
4%8:29 AMESE7:34 PMWSW-2:02 PMS225,119 mi
14
11%9:12 AMESE8:42 PMWSW-2:57 PMS225,430 mi
15
20%9:51 AME9:47 PMW-3:49 PMS226,638 mi
16
30%10:27 AME10:49 PMW-4:37 PMS228,535 mi
17
41%11:01 AME11:51 PMW-5:24 PMS230,887 mi
18
50%11:36 AMENE--6:11 PMS233,475 mi
19
64%-12:52 AMWNW12:13 PMENE7:00 PMS236,123 mi
20
74%-1:53 AMWNW12:52 PMENE7:51 PMS238,708 mi
21
83%-2:55 AMWNW1:37 PMENE8:45 PMN241,156 mi
22
90%-3:57 AMWNW2:26 PMENE9:40 PMN243,433 mi
23
96%-4:55 AMWNW3:20 PMENE10:35 PMN245,523 mi
24
99%-5:49 AMWNW4:17 PMENE11:29 PMN247,411 mi
25
100%-6:37 AMWNW5:15 PMENE--
26
100%-7:19 AMWNW6:11 PMENE12:19 AMS249,068 mi
27
99%-7:56 AMWNW7:06 PMENE1:06 AMS250,446 mi
28
96%-8:29 AMWNW7:59 PMENE1:50 AMS251,470 mi
29
92%-8:59 AMW8:50 PME2:31 AMS252,048 mi
30
86%-9:27 AMW9:40 PME3:10 AMS252,079 mi
31
79%-9:54 AMW10:30 PME3:48 AMS251,468 mi

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 Xiyuan is essentially constant during January, remaining around 0% throughout.

For reference, on July 11, the muggiest day of the year, there are muggy conditions 99% of the time, while on January 7, the least muggy day of the year, there are muggy conditions 0% of the time.

Humidity Comfort Levels in January in Xiyuan

Humidity Comfort Levels in January in XiyuanJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%DecFebJan 130%Jan 130%Jan 10%Jan 10%Jan 310%Jan 310%Jan 210%Jan 210%drydrycomfortablecomfortable
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The percentage of time spent at various humidity comfort levels, categorized by dew point.

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 Xiyuan is essentially constant during January, remaining within 0.1 miles per hour of 6.4 miles per hour throughout.

For reference, on October 19, the windiest day of the year, the daily average wind speed is 7.0 miles per hour, while on May 20, the calmest day of the year, the daily average wind speed is 5.4 miles per hour.

Average Wind Speed in January in Xiyuan

The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.

The hourly average wind direction in Xiyuan throughout January is predominantly from the north, with a peak proportion of 75% on January 1.

Wind Direction in January in Xiyuan

Wind Direction in January in XiyuanJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%20%80%40%60%60%40%80%20%100%0%DecFebnortheastsouthwest
northeastsouthwest
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than 1.0 mph. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions (northeast, southeast, southwest, and northwest).

Xiyuan is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.

The average surface water temperature in Xiyuan is gradually decreasing during January, falling by 3°F, from 60°F to 58°F, over the course of the month.

Average Water Temperature in January in Xiyuan

Average Water Temperature in January in XiyuanJan112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313154°F54°F56°F56°F58°F58°F60°F60°F62°F62°F64°F64°F66°F66°F68°F68°F70°F70°FDecFebJan 160°FJan 160°FJan 3158°FJan 3158°FJan 1159°FJan 1159°FJan 2158°FJan 2158°F
The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands.

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 Xiyuan typically lasts for 9.6 months (290 days), from around February 25 to around December 11, rarely starting before January 31 or after March 17, and rarely ending before November 21 or after December 31.

The month of January in Xiyuan 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 0% on January 16.

Time Spent in Various Temperature Bands and the Growing Season in January in Xiyuan

Time Spent in Various Temperature Bands and the Growing Season in January in XiyuanJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%DecFeb0%Jan 160%Jan 1650%Feb 2550%Feb 25very coldcoldcoolfreezingcomfortable
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
The percentage of time spent in various temperature bands. The black line is the percentage chance that a given day is within 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 Xiyuan are gradually increasing during January, increasing by 62°F, from 2°F to 64°F, over the course of the month.

Growing Degree Days in January in Xiyuan

Growing Degree Days in January in XiyuanJan112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313110°F10°F20°F20°F30°F30°F40°F40°F50°F50°F60°F60°F70°F70°F80°F80°F90°F90°FDecFebJan 12°FJan 12°FJan 3164°FJan 3164°FJan 1123°FJan 1123°FJan 2143°FJan 2143°F
The average growing degree days accumulated over the course of January, with 25th to 75th and 10th to 90th percentile bands.

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 Xiyuan is essentially constant during January, remaining within 0.1 kWh of 3.8 kWh throughout.

Average Daily Incident Shortwave Solar Energy in January in Xiyuan

Average Daily Incident Shortwave Solar Energy in January in XiyuanJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310.0 kWh0.0 kWh0.5 kWh0.5 kWh1.0 kWh1.0 kWh1.5 kWh1.5 kWh2.0 kWh2.0 kWh2.5 kWh2.5 kWh3.0 kWh3.0 kWh3.5 kWh3.5 kWh4.0 kWh4.0 kWh4.5 kWh4.5 kWh5.0 kWh5.0 kWh5.5 kWh5.5 kWh6.0 kWh6.0 kWhDecFebJan 13.7 kWhJan 13.7 kWhJan 313.9 kWhJan 313.9 kWhJan 113.7 kWhJan 113.7 kWhJan 213.8 kWhJan 213.8 kWh
The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands.

For the purposes of this report, the geographical coordinates of Xiyuan are 25.496 deg latitude, 118.564 deg longitude, and 2,139 ft elevation.

The topography within 2 miles of Xiyuan contains large variations in elevation, with a maximum elevation change of 2,185 feet and an average elevation above sea level of 1,755 feet. Within 10 miles contains large variations in elevation (5,069 feet). Within 50 miles also contains extreme variations in elevation (6,030 feet).

The area within 2 miles of Xiyuan is covered by trees (73%) and grassland (20%), within 10 miles by trees (70%) and grassland (14%), and within 50 miles by trees (57%) and cropland (13%).

This report illustrates the typical weather in Xiyuan, 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 2 weather stations near enough to contribute to our estimation of the temperature and dew point in Xiyuan.

For each station, the records are corrected for the elevation difference between that station and Xiyuan 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 Xiyuan is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Xiyuan and a given station.

The stations contributing to this reconstruction are:

To get a sense of how much these sources agree with each other, you can view a comparison of Xiyuan and the stations that contribute to our estimates of its temperature history and climate. Please note that each source's contribution is adjusted for elevation and the relative change present in the MERRA-2 data.

Other Data

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 airports and weather stations are provided by AskGeo.com .

Maps are © OpenStreetMap contributors.

Disclaimer

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.

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