Average Weather in December in Sumbawanga Tanzania
Daily high temperatures decrease by 3°F, from 76°F to 73°F, rarely falling below 69°F or exceeding 82°F.
Daily low temperatures are around 61°F, rarely falling below 59°F or exceeding 64°F.
For reference, on October 17, the hottest day of the year, temperatures in Sumbawanga typically range from 62°F to 79°F, while on July 5, the coldest day of the year, they range from 50°F to 74°F.
Average High and Low Temperature in December
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
The month of December in Sumbawanga experiences increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 74% to 85%.
The clearest day of the month is December 1, with clear, mostly clear, or partly cloudy conditions 26% of the time.
For reference, on January 13, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 86%, while on July 16, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 81%.
Cloud Cover Categories in December
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Sumbawanga, the chance of a wet day over the course of December is very rapidly increasing, starting the month at 59% and ending it at 74%.
For reference, the year's highest daily chance of a wet day is 74% on January 1, and its lowest chance is 0% on July 9.
Probability of Precipitation in December
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 Sumbawanga is rapidly increasing, starting the month at 6.4 inches, when it rarely exceeds 10.6 inches or falls below 1.9 inches, and ending the month at 7.5 inches, when it rarely exceeds 11.5 inches or falls below 3.9 inches.
The highest average 31-day accumulation is 7.7 inches on December 21.
Average Monthly Rainfall in December
Over the course of December in Sumbawanga, the length of the day is essentially constant. The shortest day of the month is December 1, with 12 hours, 33 minutes of daylight and the longest day is December 20, with 12 hours, 35 minutes of daylight.
Hours of Daylight and Twilight in December
The earliest sunrise of the month in Sumbawanga is 6:26 AM on December 1 and the latest sunrise is 13 minutes later at 6:39 AM on December 31.
The earliest sunset is 6:59 PM on December 1 and the latest sunset is 15 minutes later at 7:14 PM on December 31.
Daylight saving time is not observed in Sumbawanga during 2021.
For reference, on December 21, the longest day of the year, the Sun rises at 6:33 AM and sets 12 hours, 35 minutes later, at 7:09 PM, while on June 21, the shortest day of the year, it rises at 7:05 AM and sets 11 hours, 40 minutes later, at 6:45 PM.
Sunrise & Sunset with Twilight in December
The figure below presents a compact representation of key lunar data for December 2021. 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
The chance that a given day will be muggy in Sumbawanga is essentially constant during December, remaining around 0% throughout.
For reference, on February 13, the muggiest day of the year, there are muggy conditions 0% of the time, while on May 29, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in December
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in Sumbawanga is decreasing during December, decreasing from 6.3 miles per hour to 5.3 miles per hour over the course of the month.
For reference, on August 31, the windiest day of the year, the daily average wind speed is 9.8 miles per hour, while on February 14, the calmest day of the year, the daily average wind speed is 4.8 miles per hour.
Average Wind Speed in December
The hourly average wind direction in Sumbawanga throughout December is predominantly from the east, with a peak proportion of 63% on December 1.
Wind Direction in December
Temperatures in Sumbawanga 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
The average accumulated growing degree days in Sumbawanga are rapidly increasing during December, increasing by 517°F, from 2,552°F to 3,069°F, over the course of the month.
Growing Degree Days in December
The average daily incident shortwave solar energy in Sumbawanga is gradually decreasing during December, falling by 0.9 kWh, from 5.8 kWh to 4.9 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in December
For the purposes of this report, the geographical coordinates of Sumbawanga are -7.967 deg latitude, 31.617 deg longitude, and 6,014 ft elevation.
The topography within 2 miles of Sumbawanga contains only modest variations in elevation, with a maximum elevation change of 394 feet and an average elevation above sea level of 6,027 feet. Within 10 miles contains only modest variations in elevation (3,776 feet). Within 50 miles also contains extreme variations in elevation (5,561 feet).
The area within 2 miles of Sumbawanga is covered by trees (46%), cropland (29%), and artificial surfaces (15%), within 10 miles by trees (37%) and shrubs (29%), and within 50 miles by trees (29%) and shrubs (26%).
This report illustrates the typical weather in Sumbawanga, 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, Sumbawanga Airport, in our network suitable to be used as a proxy for the historical temperature and dew point records of Sumbawanga.
At a distance of 1 kilometer from Sumbawanga, closer than our threshold of 150 kilometers, this station is deemed sufficiently nearby to be relied upon as our primary source for temperature and dew point records.
The station records are corrected for the elevation difference between the station and Sumbawanga according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.
Please note that the station records themselves may additionally have been back-filled using other nearby stations or the MERRA-2 reanalysis.
Time zones for airports and weather stations are provided by AskGeo.com .