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December Weather in Ushirombo Tanzania

Daily high temperatures are around 83°F, rarely falling below 76°F or exceeding 89°F. The lowest daily average high temperature is 82°F on December 24.

Daily low temperatures are around 61°F, rarely falling below 58°F or exceeding 65°F.

For reference, on September 25, the hottest day of the year, temperatures in Ushirombo typically range from 63°F to 89°F, while on July 15, the coldest day of the year, they range from 58°F to 86°F.

Average High and Low Temperature in December in Ushirombo

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 Ushirombo

Average Hourly Temperature in December in UshiromboDec112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMNovJanNowNowcoolcomfortablecomfortablecomfortablewarm
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.

San Cristóbal Honduras, Mexico (8,876 miles away); Santo Domíngo, Mexico (8,561 miles); and Estelí, Nicaragua (8,187 miles) are the far-away foreign places with temperatures most similar to Ushirombo (view comparison).

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The month of December in Ushirombo experiences gradually increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 73% to 78%.

The clearest day of the month is December 3, with clear, mostly clear, or partly cloudy conditions 27% of the time.

For reference, on January 3, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 78%, while on July 22, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 64%.

Cloud Cover Categories in December in Ushirombo

Cloud Cover Categories in December in UshiromboDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%NovJanDec 127%Dec 127%Dec 3122%Dec 3122%Dec 1126%Dec 1126%Dec 2123%Dec 2123%NowNowmostly 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 Ushirombo, the chance of a wet day over the course of December is very rapidly decreasing, starting the month at 67% and ending it at 57%.

For reference, the year's highest daily chance of a wet day is 67% on December 4, and its lowest chance is 1% on July 2.

Probability of Precipitation in December in Ushirombo

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 Ushirombo is decreasing, starting the month at 5.2 inches, when it rarely exceeds 8.1 inches or falls below 1.8 inches, and ending the month at 4.4 inches, when it rarely exceeds 6.8 inches or falls below 2.0 inches.

Average Monthly Rainfall in December in Ushirombo

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 Ushirombo, the length of the day is essentially constant. The shortest day of the month is December 1, with 12 hours, 19 minutes of daylight and the longest day is December 22, with 12 hours, 20 minutes of daylight.

Hours of Daylight and Twilight in December in Ushirombo

Hours of Daylight and Twilight in December in UshiromboDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrNovJanDec 2112 hr, 20 minDec 2112 hr, 20 mindaydaydaydaynightDec 112 hr, 19 minDec 112 hr, 19 minNowNow
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 Ushirombo is 6:32 AM on December 1 and the latest sunrise is 14 minutes later at 6:45 AM on December 31.

The earliest sunset is 6:50 PM on December 1 and the latest sunset is 14 minutes later at 7:05 PM on December 31.

Daylight saving time is not observed in Ushirombo during 2024.

For reference, on December 21, the longest day of the year, the Sun rises at 6:40 AM and sets 12 hours, 20 minutes later, at 7:00 PM, while on June 20, the shortest day of the year, it rises at 6:56 AM and sets 11 hours, 55 minutes later, at 6:51 PM.

Sunrise & Sunset with Twilight in December in Ushirombo

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 Ushirombo

Solar Elevation and Azimuth in December in UshiromboDec112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMNovJan001010202020303040405050506060707000010102020303030404050506060607070NowNow
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 Ushirombo

Moon Rise, Set & Phases in December in UshiromboDec112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMNovJanNov 13:48 PMNov 13:48 PMNov 1612:29 AMNov 1612:29 AMDec 19:22 AMDec 19:22 AMDec 1512:02 PMDec 1512:02 PMDec 311:28 AMDec 311:28 AMJan 141:28 AMJan 141:28 AMJan 293:37 PMJan 293:37 PM6:11 AM6:11 AM6:41 PM6:41 PM6:23 PM6:23 PM6:41 AM6:41 AM6:25 AM6:25 AM7:06 PM7:06 PM6:08 PM6:08 PM6:24 AM6:24 AM7:02 AM7:02 AM7:45 PM7:45 PM6:56 PM6:56 PM7:10 AM7:10 AM6:44 AM6:44 AM7:23 PM7:23 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%6:25 AMESE7:06 PMWSW-12:44 PMS245,969 mi
2
1%7:18 AMESE8:01 PMWSW-1:39 PMS243,913 mi
3
5%8:14 AMESE8:57 PMWSW-2:36 PMS241,791 mi
4
11%9:10 AMESE9:53 PMWSW-3:32 PMS239,647 mi
5
19%10:06 AMESE10:45 PMWSW-4:27 PMS237,504 mi
6
28%11:00 AMESE11:35 PMWSW-5:19 PMS235,378 mi
7
39%11:52 AMESE--6:08 PMS233,299 mi
8
50%-12:23 AMW12:42 PME6:56 PMS231,326 mi
9
62%-1:09 AMW1:31 PME7:43 PMN229,560 mi
10
73%-1:54 AMW2:20 PME8:30 PMN228,146 mi
11
83%-2:41 AMW3:12 PMENE9:20 PMN227,252 mi
12
91%-3:31 AMWNW4:07 PMENE10:14 PMN227,049 mi
13
97%-4:25 AMWNW5:06 PMENE11:13 PMN227,667 mi
14
99%-5:23 AMWNW6:08 PMENE--
15
100%-6:24 AMWNW7:11 PMENE12:15 AMN229,161 mi
16
100%-7:27 AMWNW8:13 PMENE1:19 AMN231,471 mi
17
97%-8:28 AMWNW9:11 PMENE2:21 AMN234,430 mi
18
92%-9:25 AMWNW10:03 PMENE3:19 AMN237,781 mi
19
85%-10:16 AMWNW10:49 PMENE4:11 AMN241,228 mi
20
76%-11:04 AMWNW11:32 PME4:57 AMN244,481 mi
21
67%-11:47 AMW-5:40 AMN247,284 mi
22
58%12:11 AME12:29 PMW-6:20 AMN249,437 mi
23
50%12:49 AME1:09 PMW-6:59 AMN250,807 mi
24
38%1:26 AME1:50 PMW-7:37 AMS251,330 mi
25
29%2:05 AMESE2:32 PMWSW-8:17 AMS251,012 mi
26
21%2:45 AMESE3:17 PMWSW-9:00 AMS249,922 mi
27
13%3:29 AMESE4:05 PMWSW-9:45 AMS248,187 mi
28
7%4:16 AMESE4:56 PMWSW-10:35 AMS245,976 mi
29
3%5:08 AMESE5:51 PMWSW-11:29 AMS243,484 mi
30
0%6:04 AMESE6:48 PMWSW-12:26 PMS240,912 mi
31
0%7:02 AMESE7:45 PMWSW-1:24 PMS238,446 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 Ushirombo is essentially constant during December, remaining within 1% of 37% throughout.

For reference, on March 27, the muggiest day of the year, there are muggy conditions 47% of the time, while on July 1, the least muggy day of the year, there are muggy conditions 0% of the time.

Humidity Comfort Levels in December in Ushirombo

Humidity Comfort Levels in December in UshiromboDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%NovJanDec 137%Dec 137%Dec 3138%Dec 3138%Dec 1137%Dec 1137%Dec 2138%Dec 2138%NowNowmuggymuggyhumidhumidcomfortablecomfortabledrydry
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 Ushirombo is gradually decreasing during December, decreasing from 5.1 miles per hour to 4.4 miles per hour over the course of the month.

For reference, on August 8, the windiest day of the year, the daily average wind speed is 9.1 miles per hour, while on January 17, the calmest day of the year, the daily average wind speed is 4.3 miles per hour.

Average Wind Speed in December in Ushirombo

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

The wind direction in Ushirombo during December is predominantly out of the east from December 1 to December 3 and the north from December 3 to December 31.

Wind Direction in December in Ushirombo

Wind Direction in December in UshiromboENEDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%20%80%40%60%60%40%80%20%100%0%NovJanNowNowsoutheastnorthwest
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 Ushirombo 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 Ushirombo

Time Spent in Various Temperature Bands and the Growing Season in December in UshiromboDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%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 16NowNowcoolcomfortablewarmhot
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 Ushirombo are rapidly increasing during December, increasing by 643°F, from 3,512°F to 4,154°F, over the course of the month.

Growing Degree Days in December in Ushirombo

Growing Degree Days in December in UshiromboDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031313,500°F3,500°F3,600°F3,600°F3,700°F3,700°F3,800°F3,800°F3,900°F3,900°F4,000°F4,000°F4,100°F4,100°F4,200°F4,200°FNovJanDec 13,512°FDec 13,512°FDec 314,154°FDec 314,154°FDec 113,730°FDec 113,730°FDec 213,942°FDec 213,942°FNowNow
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 Ushirombo is essentially constant during December, remaining around 5.5 kWh throughout.

The lowest average daily incident shortwave solar energy during December is 5.4 kWh on December 23.

Average Daily Incident Shortwave Solar Energy in December in Ushirombo

Average Daily Incident Shortwave Solar Energy in December in UshiromboDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWhNovJanDec 235.4 kWhDec 235.4 kWhDec 15.5 kWhDec 15.5 kWhDec 115.5 kWhDec 115.5 kWhNowNow
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 Ushirombo are -3.492 deg latitude, 31.964 deg longitude, and 3,891 ft elevation.

The topography within 2 miles of Ushirombo contains only modest variations in elevation, with a maximum elevation change of 249 feet and an average elevation above sea level of 3,926 feet. Within 10 miles contains only modest variations in elevation (863 feet). Within 50 miles also contains very significant variations in elevation (1,657 feet).

The area within 2 miles of Ushirombo is covered by cropland (56%) and trees (44%), within 10 miles by cropland (46%) and trees (40%), and within 50 miles by trees (43%) and cropland (27%).

This report illustrates the typical weather in Ushirombo, 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 is only a single weather station, Mwanza Airport, in our network suitable to be used as a proxy for the historical temperature and dew point records of Ushirombo.

At a distance of 159 kilometers from Ushirombo, further than our threshold of 150 kilometers, this station is deemed insufficiently nearby to be relied upon as our primary source for temperature and dew point records. Consequently, the station records are blended with interpolated values from NASA's MERRA-2 satellite-era reanalysis , and both are corrected for elevation differences according to the International Standard Atmosphere .

The weight assigned to the MERRA-2 value depends on the distance from Ushirombo to the nearest station, increasing from 0% at 150 kilometers to 100% at 200 kilometers. In this case, the MERRA-2 weight is 15%, making the weight assigned to the weather station 85%.

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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