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December Weather in China Lake Acres California, United States

Daily high temperatures decrease by 4°F, from 62°F to 57°F, rarely falling below 48°F or exceeding 70°F. The lowest daily average high temperature is 57°F on December 23.

Daily low temperatures decrease by 3°F, from 33°F to 31°F, rarely falling below 21°F or exceeding 42°F. The lowest daily average low temperature is 30°F on December 26.

For reference, on July 19, the hottest day of the year, temperatures in China Lake Acres typically range from 71°F to 102°F, while on December 26, the coldest day of the year, they range from 30°F to 57°F.

Average High and Low Temperature in December in China Lake Acres

Average High and Low Temperature in December in China Lake AcresDec112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313120°F20°F30°F30°F40°F40°F50°F50°F60°F60°F70°F70°F80°F80°FNovJanDec 2357°FDec 2357°F31°F31°FDec 162°FDec 162°F33°F33°FDec 1159°FDec 1159°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 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.

Average Hourly Temperature in December in China Lake Acres

Average Hourly Temperature in December in China Lake AcresDec112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMNovJanvery coldvery coldcoldcoldcoldcoolcomfortable
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.

Shiraz, Iran (7,893 miles away) is the far-away foreign place with temperatures most similar to China Lake Acres (view comparison).

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The month of December in China Lake Acres experiences gradually increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 35% to 39%. The highest chance of overcast or mostly cloudy conditions is 39% on December 28.

The clearest day of the month is December 1, with clear, mostly clear, or partly cloudy conditions 65% of the time.

For reference, on February 21, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 41%, while on September 6, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 90%.

Cloud Cover Categories in December in China Lake Acres

Cloud Cover Categories in December in China Lake AcresDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%NovJanSep 690%Sep 690%Dec 165%Dec 165%Dec 3161%Dec 3161%Dec 1164%Dec 1164%Dec 2161%Dec 2161%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 China Lake Acres, the chance of a wet day over the course of December is increasing, starting the month at 9% and ending it at 14%.

For reference, the year's highest daily chance of a wet day is 17% on February 21, and its lowest chance is 1% on June 22.

Over the course of December in China Lake Acres, the chance of a day with only rain increases from 9% to 12%, 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 December in China Lake Acres

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 December in China Lake Acres is gradually increasing, starting the month at 0.8 inches, when it rarely exceeds 1.7 inches, and ending the month at 1.1 inches, when it rarely exceeds 2.7 inches.

Average Monthly Rainfall in December in China Lake Acres

Average Monthly Rainfall in December in China Lake AcresDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310.0 in0.0 in0.5 in0.5 in1.0 in1.0 in1.5 in1.5 in2.0 in2.0 in2.5 in2.5 in3.0 in3.0 inNovJanDec 10.8 inDec 10.8 inDec 311.1 inDec 311.1 inDec 110.9 inDec 110.9 inDec 211.1 inDec 211.1 in
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 December in China Lake Acres, the length of the day is essentially constant. The shortest day of the month is December 20, with 9 hours, 45 minutes of daylight and the longest day is December 1, with 9 hours, 55 minutes of daylight.

Hours of Daylight and Twilight in December in China Lake Acres

Hours of Daylight and Twilight in December in China Lake AcresDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrNovJanDec 219 hr, 45 minDec 219 hr, 45 minnightnightdaydayDec 19 hr, 55 minDec 19 hr, 55 min
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 earliest sunrise of the month in China Lake Acres is 6:42 AM on December 1 and the latest sunrise is 18 minutes later at 7:00 AM on December 31.

The earliest sunset is 4:37 PM on December 5 and the latest sunset is 11 minutes later at 4:48 PM on December 31.

Daylight saving time is observed in China Lake Acres during 2024, but it neither starts nor ends during December, so the entire month is in daylight saving time.

For reference, on June 20, the longest day of the year, the Sun rises at 5:35 AM and sets 14 hours, 34 minutes later, at 8:10 PM, while on December 21, the shortest day of the year, it rises at 6:57 AM and sets 9 hours, 45 minutes later, at 4:41 PM.

Sunrise & Sunset with Twilight and Daylight Saving Time in December in China Lake Acres

Sunrise & Sunset with Twilight and Daylight Saving Time in December in China Lake AcresDec112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMNovJan6:42 AM6:42 AMDec 14:37 PMDec 14:37 PM7:00 AM7:00 AMDec 314:48 PMDec 314:48 PM6:51 AM6:51 AMDec 114:38 PMDec 114:38 PM6:57 AM6:57 AMDec 214:41 PMDec 214:41 PMSolarMidnightSolarMidnightSolarNoonSunriseSunset
The solar day over the course of December. 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 December in China Lake Acres

Solar Elevation and Azimuth in December in China Lake AcresDec112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMNovJan0010102020303000101020203030
northeastsouthwest
Solar elevation and azimuth over the course of December 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 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.

Moon Rise, Set & Phases in December in China Lake Acres

Moon Rise, Set & Phases in December in China Lake AcresDec112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMNovJanNov 15:48 AMNov 15:48 AMNov 151:29 PMNov 151:29 PMNov 3010:22 PMNov 3010:22 PMDec 151:02 AMDec 151:02 AMDec 302:28 PMDec 302:28 PMJan 132:28 PMJan 132:28 PMJan 294:37 AMJan 294:37 AM7:26 AM7:26 AM5:53 PM5:53 PM4:27 PM4:27 PM7:35 AM7:35 AM6:20 AM6:20 AM4:02 PM4:02 PM3:53 PM3:53 PM7:32 AM7:32 AM7:09 AM7:09 AM4:31 PM4:31 PM4:48 PM4:48 PM7:54 AM7:54 AM7:18 AM7:18 AM5:40 PM5:40 PM
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.
Dec 2024IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
0%7:22 AMSE4:47 PMSW-12:05 PMS245,127 mi
2
3%8:22 AMSE5:41 PMSW-1:01 PMS243,035 mi
3
7%9:17 AMSE6:41 PMSW-1:59 PMS240,899 mi
4
14%10:04 AMESE7:48 PMWSW-2:56 PMS238,752 mi
5
22%10:45 AMESE8:56 PMWSW-3:51 PMS236,613 mi
6
32%11:19 AMESE10:05 PMWSW-4:42 PMS234,501 mi
7
44%11:50 AMESE11:13 PMW-5:31 PMS232,456 mi
8
50%12:18 PME--6:18 PMS230,555 mi
9
67%-12:21 AMW12:45 PME7:05 PMS228,917 mi
10
78%-1:30 AMW1:13 PME7:53 PMS227,698 mi
11
87%-2:40 AMWNW1:43 PMENE8:44 PMS227,074 mi
12
94%-3:54 AMWNW2:19 PMENE9:40 PMS227,202 mi
13
98%-5:09 AMWNW3:02 PMENE10:39 PMS228,184 mi
14
100%-6:24 AMNW3:53 PMNE11:42 PMS230,030 mi
15
100%-7:32 AMNW4:53 PMNE--
16
99%-8:32 AMNW6:00 PMNE12:44 AMS232,635 mi
17
95%-9:21 AMWNW7:08 PMENE1:43 AMS235,789 mi
18
89%-10:00 AMWNW8:15 PMENE2:38 AMS239,215 mi
19
81%-10:32 AMWNW9:18 PMENE3:27 AMS242,615 mi
20
73%-10:58 AMWNW10:19 PME4:12 AMS245,709 mi
21
63%-11:22 AMW11:16 PME4:53 AMS248,263 mi
22
50%-11:45 AMW-5:32 AMS250,105 mi
23
44%12:13 AME12:07 PMW-6:11 AMS251,128 mi
24
34%1:09 AME12:30 PMWSW-6:50 AMS251,298 mi
25
26%2:06 AMESE12:55 PMWSW-7:31 AMS250,648 mi
26
17%3:06 AMESE1:24 PMWSW-8:15 AMS249,272 mi
27
11%4:07 AMESE1:58 PMWSW-9:03 AMS247,317 mi
28
5%5:10 AMESE2:40 PMSW-9:55 AMS244,964 mi
29
1%6:12 AMSE3:31 PMSW-10:51 AMS242,413 mi
30
0%7:09 AMSE4:31 PMSW-11:50 AMS239,864 mi
31
1%8:00 AMESE5:37 PMWSW-12:49 PMS237,485 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 China Lake Acres is essentially constant during December, remaining around 0% throughout.

For reference, on July 14, the muggiest day of the year, there are muggy conditions 0% 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 December in China Lake Acres

Humidity Comfort Levels in December in China Lake AcresDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%NovJanDec 10%Dec 10%Dec 310%Dec 310%Dec 110%Dec 110%Dec 210%Dec 210%drydry
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 China Lake Acres is essentially constant during December, remaining within 0.1 miles per hour of 7.1 miles per hour throughout.

For reference, on June 9, the windiest day of the year, the daily average wind speed is 9.3 miles per hour, while on January 10, the calmest day of the year, the daily average wind speed is 6.9 miles per hour.

The highest daily average wind speed during December is 7.2 miles per hour on December 9.

Average Wind Speed in December in China Lake Acres

Average Wind Speed in December in China Lake AcresDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 mph0 mph2 mph2 mph4 mph4 mph6 mph6 mph8 mph8 mph10 mph10 mph12 mph12 mphNovJanDec 97.2 mphDec 97.2 mphDec 317.0 mphDec 317.0 mphDec 217.2 mphDec 217.2 mph
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 China Lake Acres throughout December is predominantly from the north, with a peak proportion of 48% on December 30.

Wind Direction in December in China Lake Acres

Wind Direction in December in China Lake AcresDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%20%80%40%60%60%40%80%20%100%0%NovJanwestnortheastsouth
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 China Lake Acres typically lasts for 8.0 months (243 days), from around March 14 to around November 12, rarely starting before February 12 or after April 11, and rarely ending before October 26 or after November 30.

The month of December in China Lake Acres is very likely fully outside of the growing season, with the chance that a given day is in the growing season reaching a low of -0% on December 26.

Time Spent in Various Temperature Bands and the Growing Season in December in China Lake Acres

Time Spent in Various Temperature Bands and the Growing Season in December in China Lake AcresDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%NovJanDec 18%Dec 18%Dec 31-0%Dec 31-0%Dec 112%Dec 112%Dec 21-0%Dec 21-0%50%Nov 1250%Nov 12freezingvery coldcoldcoolcomfortablewarm
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 China Lake Acres are gradually increasing during December, increasing by 61°F, from 5,695°F to 5,756°F, over the course of the month.

Growing Degree Days in December in China Lake Acres

Growing Degree Days in December in China Lake AcresDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031315,300°F5,300°F5,400°F5,400°F5,500°F5,500°F5,600°F5,600°F5,700°F5,700°F5,800°F5,800°F5,900°F5,900°F6,000°F6,000°FNovJanDec 15,695°FDec 15,695°FDec 315,756°FDec 315,756°FDec 115,724°FDec 115,724°FDec 215,742°FDec 215,742°F
The average growing degree days accumulated over the course of December, 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 China Lake Acres is essentially constant during December, remaining within 0.1 kWh of 3.1 kWh throughout.

The lowest average daily incident shortwave solar energy during December is 2.9 kWh on December 24.

Average Daily Incident Shortwave Solar Energy in December in China Lake Acres

Average Daily Incident Shortwave Solar Energy in December in China Lake AcresDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310.0 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 kWhNovJanDec 242.9 kWhDec 242.9 kWhDec 13.2 kWhDec 13.2 kWhDec 113.0 kWhDec 113.0 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 China Lake Acres are 35.641 deg latitude, -117.764 deg longitude, and 2,428 ft elevation.

The topography within 2 miles of China Lake Acres contains only modest variations in elevation, with a maximum elevation change of 151 feet and an average elevation above sea level of 2,422 feet. Within 10 miles contains only modest variations in elevation (4,452 feet). Within 50 miles also contains extreme variations in elevation (11,024 feet).

The area within 2 miles of China Lake Acres is covered by shrubs (100%), within 10 miles by shrubs (89%) and bare soil (10%), and within 50 miles by shrubs (85%).

This report illustrates the typical weather in China Lake Acres, 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 China Lake Acres.

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