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January Weather in Zihu China

Daily high temperatures are around 50°F, rarely falling below 39°F or exceeding 64°F. The lowest daily average high temperature is 50°F on January 20.

Daily low temperatures are around 31°F, rarely falling below 22°F or exceeding 42°F. The lowest daily average low temperature is 31°F on January 19.

For reference, on July 30, the hottest day of the year, temperatures in Zihu typically range from 73°F to 87°F, while on January 19, the coldest day of the year, they range from 31°F to 50°F.

Average High and Low Temperature in January in Zihu

Average High and Low Temperature in January in ZihuJan112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313120°F20°F25°F25°F30°F30°F35°F35°F40°F40°F45°F45°F50°F50°F55°F55°F60°F60°F65°F65°F70°F70°FDecFebJan 2050°FJan 2050°F31°F31°FJan 151°FJan 151°F31°F31°FJan 3151°FJan 3151°F32°F32°FJan 1150°FJan 1150°F31°F31°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 Zihu

Average Hourly Temperature in January in ZihuJan112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMDecFebfreezingvery coldvery coldcoldcoolcool
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.

Nashville, Tennessee, United States (7,666 miles away) and Charlotte, North Carolina, United States (7,845 miles) are the far-away foreign places with temperatures most similar to Zihu (view comparison).

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The month of January in Zihu experiences gradually increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 31% to 37%.

The clearest day of the month is January 1, with clear, mostly clear, or partly cloudy conditions 69% of the time.

For reference, on July 3, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 78%, while on December 16, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 73%.

Cloud Cover Categories in January in Zihu

Cloud Cover Categories in January in ZihuJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%DecFebJan 169%Jan 169%Jan 3163%Jan 3163%Jan 1165%Jan 1165%Jan 2163%Jan 2163%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 Zihu, the chance of a wet day over the course of January is very rapidly increasing, starting the month at 19% and ending it at 30%.

For reference, the year's highest daily chance of a wet day is 54% on June 20, and its lowest chance is 15% on December 17.

Over the course of January in Zihu, the chance of a day with only rain increases from 16% to 23%, the chance of a day with mixed snow and rain increases from 2% to 5%, and the chance of a day with only snow remains an essentially constant 1% throughout.

Probability of Precipitation in January in Zihu

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 Zihu is rapidly increasing, starting the month at 1.6 inches, when it rarely exceeds 3.5 inches or falls below 0.3 inches, and ending the month at 2.8 inches, when it rarely exceeds 4.9 inches or falls below 0.9 inches.

Average Monthly Rainfall in January in Zihu

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.

Snowfall

As with rainfall, we consider the snowfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day snowfall during January in Zihu is increasing, starting the month at 2.0 inches, when it rarely exceeds 6.1 inches, and ending the month at 3.0 inches, when it rarely exceeds 8.2 inches.

The highest average 31-day accumulation is 3.1 inches on January 30.

Average Monthly Snowfall in January in Zihu

The average snowfall (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 rainfall.

Over the course of January in Zihu, the length of the day is gradually increasing. From the start to the end of the month, the length of the day increases by 28 minutes, implying an average daily increase of 56 seconds, and weekly increase of 6 minutes, 29 seconds.

The shortest day of the month is January 1, with 10 hours, 20 minutes of daylight and the longest day is January 31, with 10 hours, 48 minutes of daylight.

Hours of Daylight and Twilight in January in Zihu

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 Zihu is 7:02 AM on January 11 and the earliest sunrise is 5 minutes earlier at 6:56 AM on January 31.

The earliest sunset is 5:20 PM on January 1 and the latest sunset is 24 minutes later at 5:44 PM on January 31.

Daylight saving time is not observed in Zihu during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 5:09 AM and sets 13 hours, 59 minutes later, at 7:08 PM, while on December 21, the shortest day of the year, it rises at 6:56 AM and sets 10 hours, 18 minutes later, at 5:14 PM.

Sunrise & Sunset with Twilight in January in Zihu

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 Zihu

Solar Elevation and Azimuth in January in ZihuJan112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMDecFeb001010202020303040500001010202030303040
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 Zihu

Moon Rise, Set & Phases in January in ZihuJan112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 PM7:05 AM7:05 AM5:15 PM5:15 PM4:24 PM4:24 PM7:14 AM7:14 AM6:52 AM6:52 AM5:05 PM5:05 PM5:08 PM5:08 PM7:29 AM7:29 AM7:10 AM7:10 AM6:16 PM6:16 PM5:51 PM5:51 PM7:06 AM7:06 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%-10:34 AMWNW10:04 PME3:55 AMS251,362 mi
2
71%-11:02 AMW10:57 PME4:35 AMS251,584 mi
3
62%-11:28 AMW11:49 PME5:14 AMS251,013 mi
4
50%-11:54 AMW-5:52 AMS249,614 mi
5
43%12:42 AME12:22 PMWSW-6:32 AMS247,411 mi
6
33%1:38 AMESE12:52 PMWSW-7:15 AMS244,504 mi
7
23%2:36 AMESE1:27 PMWSW-8:01 AMS241,066 mi
8
15%3:39 AMESE2:09 PMWSW-8:53 AMS237,341 mi
9
8%4:44 AMESE2:59 PMWSW-9:51 AMS233,633 mi
10
3%5:50 AMESE3:58 PMWSW-10:54 AMS230,278 mi
11
0%6:52 AMESE5:05 PMWSW-11:59 AMS227,596 mi
12
1%7:49 AMESE6:17 PMWSW-1:03 PMS225,836 mi
13
4%8:37 AMESE7:29 PMWSW-2:04 PMS225,119 mi
14
11%9:19 AMESE8:39 PMWSW-2:59 PMS225,431 mi
15
20%9:56 AME9:47 PMW-3:51 PMS226,640 mi
16
30%10:29 AME10:51 PMW-4:39 PMS228,538 mi
17
41%11:02 AME11:55 PMW-5:26 PMS230,890 mi
18
50%11:34 AMENE--6:13 PMS233,479 mi
19
64%-12:58 AMWNW12:09 PMENE7:02 PMS236,127 mi
20
74%-2:02 AMWNW12:47 PMENE7:53 PMS238,711 mi
21
83%-3:05 AMWNW1:30 PMENE8:47 PMS241,159 mi
22
90%-4:08 AMWNW2:18 PMENE9:42 PMS243,436 mi
23
96%-5:07 AMWNW3:12 PMENE10:37 PMS245,525 mi
24
99%-6:01 AMWNW4:09 PMENE11:30 PMS247,413 mi
25
100%-6:48 AMWNW5:08 PMENE--
26
100%-7:29 AMWNW6:06 PMENE12:21 AMS249,070 mi
27
99%-8:04 AMWNW7:02 PMENE1:08 AMS250,447 mi
28
96%-8:35 AMWNW7:57 PMENE1:51 AMS251,471 mi
29
92%-9:03 AMW8:50 PME2:32 AMS252,048 mi
30
86%-9:29 AMW9:42 PME3:11 AMS252,078 mi
31
79%-9:55 AMW10:34 PME3:49 AMS251,467 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 Zihu is essentially constant during January, remaining around 0% throughout.

For reference, on July 23, the muggiest day of the year, there are muggy conditions 100% of the time, while on January 1, the least muggy day of the year, there are muggy conditions 0% of the time.

Humidity Comfort Levels in January in Zihu

Humidity Comfort Levels in January in ZihuJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%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 Zihu is gradually increasing during January, increasing from 6.6 miles per hour to 7.1 miles per hour over the course of the month.

For reference, on March 9, the windiest day of the year, the daily average wind speed is 7.5 miles per hour, while on August 3, the calmest day of the year, the daily average wind speed is 5.8 miles per hour.

Average Wind Speed in January in Zihu

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 Zihu throughout January is predominantly from the east, with a peak proportion of 52% on January 19.

Wind Direction in January in Zihu

Wind Direction in January in ZihuJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%20%80%40%60%60%40%80%20%100%0%DecFebeastnorthwestsouth
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).

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 Zihu typically lasts for 8.3 months (253 days), from around March 12 to around November 21, rarely starting before February 24 or after March 30, and rarely ending before November 1 or after December 10.

The month of January in Zihu is reliably fully outside of the growing season.

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

Time Spent in Various Temperature Bands and the Growing Season in January in ZihuJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%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 16Feb 2410%Feb 2410%freezingvery coldcoldcool
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 Zihu are essentially constant during January, remaining within 13°F of 13°F throughout.

Growing Degree Days in January in Zihu

Growing Degree Days in January in ZihuJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031315°F5°F10°F10°F15°F15°F20°F20°F25°F25°F30°F30°F35°F35°F40°F40°F45°F45°FDecFebJan 11°FJan 11°FJan 3126°FJan 3126°FJan 118°FJan 118°FJan 2116°FJan 2116°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 Zihu is essentially constant during January, remaining within 0.2 kWh of 3.3 kWh throughout.

The lowest average daily incident shortwave solar energy during January is 3.1 kWh on January 7.

Average Daily Incident Shortwave Solar Energy in January in Zihu

Average Daily Incident Shortwave Solar Energy in January in ZihuJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310.0 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 73.1 kWhJan 73.1 kWhJan 313.5 kWhJan 313.5 kWhJan 213.2 kWhJan 213.2 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 Zihu are 28.906 deg latitude, 118.155 deg longitude, and 758 ft elevation.

The topography within 2 miles of Zihu contains very significant variations in elevation, with a maximum elevation change of 1,946 feet and an average elevation above sea level of 1,148 feet. Within 10 miles contains very significant variations in elevation (5,315 feet). Within 50 miles also contains extreme variations in elevation (5,732 feet).

The area within 2 miles of Zihu is covered by trees (80%) and cropland (12%), within 10 miles by trees (86%), and within 50 miles by trees (74%) and cropland (15%).

This report illustrates the typical weather in Zihu, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.

Zihu 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 Zihu, 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.

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.

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