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December Weather in Mbanza Congo Angola

Daily high temperatures are around 84°F, rarely falling below 79°F or exceeding 91°F. The lowest daily average high temperature is 84°F on December 10.

Daily low temperatures are around 70°F, rarely falling below 68°F or exceeding 72°F. The lowest daily average low temperature is 70°F on December 12.

For reference, on September 22, the hottest day of the year, temperatures in Mbanza Congo typically range from 68°F to 91°F, while on July 19, the coldest day of the year, they range from 63°F to 87°F.

Average High and Low Temperature in December in Mbanza Congo

Average High and Low Temperature in December in Mbanza CongoDec112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313166°F66°F68°F68°F70°F70°F72°F72°F74°F74°F76°F76°F78°F78°F80°F80°F82°F82°F84°F84°F86°F86°F88°F88°F90°F90°F92°F92°FNovJanDec 984°FDec 984°F70°F70°FDec 184°FDec 184°F70°F70°FDec 3184°FDec 3184°F70°F70°FDec 2184°FDec 2184°F70°F70°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 Mbanza Congo

Average Hourly Temperature in December in Mbanza CongoDec112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMNovJancomfortablecomfortablewarmhothot
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.

Cacahoatán, Mexico (7,430 miles away) and Padre Bernardo, Brazil (4,281 miles) are the far-away foreign places with temperatures most similar to Mbanza Congo (view comparison).

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The month of December in Mbanza Congo experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 80% throughout the month. The highest chance of overcast or mostly cloudy conditions is 82% on December 15.

The clearest day of the month is December 31, with clear, mostly clear, or partly cloudy conditions 21% of the time.

For reference, on December 15, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 82%, while on July 8, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 67%.

Cloud Cover Categories in December in Mbanza Congo

Cloud Cover Categories in December in Mbanza CongoDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%NovJanJul 867%Jul 867%Dec 119%Dec 119%Dec 3121%Dec 3121%Dec 1119%Dec 1119%Dec 2120%Dec 2120%mostly clearpartly cloudymostly cloudyovercastclear
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 Mbanza Congo, the chance of a wet day over the course of December is very rapidly decreasing, starting the month at 62% and ending it at 42%.

For reference, the year's highest daily chance of a wet day is 66% on November 22, and its lowest chance is 0% on July 1.

Probability of Precipitation in December in Mbanza Congo

Probability of Precipitation in December in Mbanza CongoDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%NovJanDec 2641%Dec 2641%Dec 162%Dec 162%Dec 1152%Dec 1152%rain
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 Mbanza Congo is rapidly decreasing, starting the month at 5.8 inches, when it rarely exceeds 11.3 inches or falls below 1.0 inches, and ending the month at 4.2 inches, when it rarely exceeds 8.6 inches or falls below 0.8 inches.

Average Monthly Rainfall in December in Mbanza Congo

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 Mbanza Congo, the length of the day is essentially constant. The shortest day of the month is December 1, with 12 hours, 28 minutes of daylight and the longest day is December 20, with 12 hours, 29 minutes of daylight.

Hours of Daylight and Twilight in December in Mbanza Congo

Hours of Daylight and Twilight in December in Mbanza CongoDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrNovJanDec 2112 hr, 29 minDec 2112 hr, 29 mindaydaydaydaynightDec 112 hr, 28 minDec 112 hr, 28 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 Mbanza Congo is 5:38 AM on December 1 and the latest sunrise is 13 minutes later at 5:51 AM on December 31.

The earliest sunset is 6:06 PM on December 1 and the latest sunset is 15 minutes later at 6:20 PM on December 31.

Daylight saving time is not observed in Mbanza Congo during 2024.

For reference, on December 21, the longest day of the year, the Sun rises at 5:46 AM and sets 12 hours, 29 minutes later, at 6:16 PM, while on June 20, the shortest day of the year, it rises at 6:11 AM and sets 11 hours, 46 minutes later, at 5:57 PM.

Sunrise & Sunset with Twilight in December in Mbanza Congo

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 Mbanza Congo

Solar Elevation and Azimuth in December in Mbanza CongoDec112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMNovJan00101020202030304040505050606070708000010102020303030404050506060607070
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 Mbanza Congo

Moon Rise, Set & Phases in December in Mbanza CongoDec112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMNovJanNov 11:48 PMNov 11:48 PMNov 1510:29 PMNov 1510:29 PMDec 17:22 AMDec 17:22 AMDec 1510:02 AMDec 1510:02 AMDec 3011:28 PMDec 3011:28 PMJan 1311:28 PMJan 1311:28 PMJan 291:37 PMJan 291:37 PM5:21 AM5:21 AM5:58 PM5:58 PM5:42 PM5:42 PM5:50 AM5:50 AM5:32 AM5:32 AM6:25 PM6:25 PM5:28 PM5:28 PM5:32 AM5:32 AM5:11 AM5:11 AM6:08 PM6:08 PM6:16 PM6:16 PM6:19 AM6:19 AM5:52 AM5:52 AM6:41 PM6:41 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%5:32 AMESE6:25 PMWSW-11:58 AMS245,870 mi
2
2%6:25 AMESE7:21 PMWSW-12:53 PMS243,810 mi
3
5%7:21 AMESE8:17 PMWSW-1:49 PMS241,686 mi
4
11%8:18 AMESE9:12 PMWSW-2:46 PMS239,541 mi
5
19%9:15 AMESE10:04 PMWSW-3:41 PMS237,399 mi
6
29%10:10 AMESE10:52 PMWSW-4:32 PMS235,275 mi
7
39%11:02 AMESE11:38 PMW-5:22 PMS233,199 mi
8
50%11:53 AME--6:09 PMN231,233 mi
9
63%-12:23 AMW12:44 PME6:56 PMN229,481 mi
10
74%-1:07 AMW1:35 PME7:43 PMN228,088 mi
11
84%-1:52 AMW2:28 PMENE8:34 PMN227,224 mi
12
92%-2:41 AMWNW3:25 PMENE9:28 PMN227,059 mi
13
97%-3:34 AMWNW4:25 PMENE10:27 PMN227,720 mi
14
100%-4:31 AMWNW5:28 PMENE11:29 PMN229,256 mi
15
100%-5:32 AMWNW6:32 PMENE--
16
100%-6:35 AMWNW7:33 PMENE12:33 AMN231,604 mi
17
97%-7:36 AMWNW8:30 PMENE1:35 AMN234,588 mi
18
91%-8:33 AMWNW9:20 PMENE2:32 AMN237,951 mi
19
84%-9:26 AMWNW10:06 PMENE3:24 AMN241,396 mi
20
76%-10:14 AMWNW10:47 PME4:11 AMN244,632 mi
21
67%-10:59 AMW11:25 PME4:53 AMN247,407 mi
22
50%-11:41 AMW-5:33 AMN249,524 mi
23
47%12:01 AME12:23 PMW-6:12 AMN250,853 mi
24
38%12:38 AME1:05 PMW-6:50 AMS251,334 mi
25
29%1:15 AMESE1:48 PMWSW-7:30 AMS250,975 mi
26
20%1:54 AMESE2:34 PMWSW-8:13 AMS249,850 mi
27
13%2:37 AMESE3:23 PMWSW-8:59 AMS248,088 mi
28
7%3:24 AMESE4:16 PMWSW-9:49 AMS245,858 mi
29
3%4:16 AMESE5:11 PMWSW-10:43 AMS243,357 mi
30
0%5:11 AMESE6:08 PMWSW-11:40 AMS240,787 mi
31
0%6:09 AMESE7:05 PMWSW-12:38 PMS238,330 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 Mbanza Congo is essentially constant during December, remaining within 1% of 98% throughout.

For reference, on April 23, the muggiest day of the year, there are muggy conditions 100% of the time, while on July 22, the least muggy day of the year, there are muggy conditions 12% of the time.

Humidity Comfort Levels in December in Mbanza Congo

Humidity Comfort Levels in December in Mbanza CongoDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%NovJanDec 199%Dec 199%Dec 3197%Dec 3197%Dec 1198%Dec 1198%Dec 2197%Dec 2197%oppressiveoppressivemuggymuggyhumidhumid
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 Mbanza Congo is essentially constant during December, remaining around 3.1 miles per hour throughout.

For reference, on September 2, the windiest day of the year, the daily average wind speed is 5.4 miles per hour, while on April 23, the calmest day of the year, the daily average wind speed is 2.8 miles per hour.

The lowest daily average wind speed during December is 3.1 miles per hour on December 17.

Average Wind Speed in December in Mbanza Congo

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 Mbanza Congo throughout December is predominantly from the west, with a peak proportion of 56% on December 31.

Wind Direction in December in Mbanza Congo

Wind Direction in December in Mbanza CongoDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%20%80%40%60%60%40%80%20%100%0%NovJanwestsouthnortheast
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).

Temperatures in Mbanza Congo are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year.

Time Spent in Various Temperature Bands and the Growing Season in December in Mbanza Congo

Time Spent in Various Temperature Bands and the Growing Season in December in Mbanza CongoDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%NovJan100%Dec 16100%Dec 16comfortablewarmhot
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 Mbanza Congo are rapidly increasing during December, increasing by 774°F, from 3,902°F to 4,676°F, over the course of the month.

Growing Degree Days in December in Mbanza Congo

Growing Degree Days in December in Mbanza CongoDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031313,600°F3,600°F3,800°F3,800°F4,000°F4,000°F4,200°F4,200°F4,400°F4,400°F4,600°F4,600°F4,800°F4,800°F5,000°F5,000°FNovJanDec 13,902°FDec 13,902°FDec 314,676°FDec 314,676°FDec 114,158°FDec 114,158°FDec 214,417°FDec 214,417°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 Mbanza Congo is essentially constant during December, remaining within 0.1 kWh of 4.9 kWh throughout.

Average Daily Incident Shortwave Solar Energy in December in Mbanza Congo

Average Daily Incident Shortwave Solar Energy in December in Mbanza CongoDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWhNovJanDec 14.8 kWhDec 14.8 kWhDec 315.0 kWhDec 315.0 kWhDec 114.8 kWhDec 114.8 kWhDec 214.9 kWhDec 214.9 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 Mbanza Congo are -6.267 deg latitude, 14.240 deg longitude, and 1,785 ft elevation.

The topography within 2 miles of Mbanza Congo contains significant variations in elevation, with a maximum elevation change of 548 feet and an average elevation above sea level of 1,565 feet. Within 10 miles contains significant variations in elevation (1,217 feet). Within 50 miles contains very significant variations in elevation (3,291 feet).

The area within 2 miles of Mbanza Congo is covered by shrubs (39%), trees (39%), and grassland (13%), within 10 miles by trees (62%) and cropland (19%), and within 50 miles by trees (45%) and shrubs (38%).

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

Mbanza Congo 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 Mbanza Congo, 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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