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Average Weather in Mlimba Tanzania

In Mlimba, the wet season is oppressive and overcast, the dry season is mostly clear, and it is hot year round. Over the course of the year, the temperature typically varies from 63°F to 95°F and is rarely below 59°F or above 98°F.

The hot season lasts for 2.4 months, from September 29 to December 10, with an average daily high temperature above 92°F. The hottest day of the year is November 4, with an average high of 95°F and low of 72°F.

The cool season lasts for 3.5 months, from April 21 to August 5, with an average daily high temperature below 85°F. The coldest day of the year is July 11, with an average low of 63°F and high of 82°F.

Average High and Low Temperature

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 entire year of hourly average temperatures. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

Average Hourly Temperature

Average Hourly Temperature in Mlimba12 AM4 AM8 AM12 PM4 PM8 PM12 AMJanFebMarAprMayJunJulAugSepOctNovDeccoolcomfortablewarmhotsweltering
The average hourly temperature, color coded into bands: frigid < 15°F < freezing < 32°F < chilly < 45°F < cold < 55°F < cool < 65°F < comfortable < 75°F < warm < 85°F < hot < 95°F < sweltering. The shaded overlays indicate night and civil twilight.

Clouds

In Mlimba, the average percentage of the sky covered by clouds experiences extreme seasonal variation over the course of the year.

The clearer part of the year in Mlimba begins around April 18 and lasts for 7.3 months, ending around November 28. On August 30, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 77% of the time, and overcast or mostly cloudy 23% of the time.

The cloudier part of the year begins around November 28 and lasts for 4.7 months, ending around April 18. On January 30, the cloudiest day of the year, the sky is overcast or mostly cloudy 87% of the time, and clear, mostly clear, or partly cloudy 13% of the time.

Cloud Cover

Cloud Cover in Mlimbaclearercloudiercloudier0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecJan 3087%Jan 3087%Aug 3023%Aug 3023%Apr 1856%Apr 1856%Nov 2855%Nov 2855%overcastmostly cloudypartly cloudymostly clearclear
The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds: clear < 20% < mostly clear < 40% < partly cloudy < 60% < mostly cloudy < 80% < overcast.

Precipitation

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days in Mlimba varies very significantly throughout the year.

The wetter season lasts 4.8 months, from December 2 to April 27, with a greater than 37% chance of a given day being a wet day. The chance of a wet day peaks at 72% on March 29.

The drier season lasts 7.2 months, from April 27 to December 2. The smallest chance of a wet day is 0% on September 4.

Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 72% on March 29.

Daily Chance of Precipitation

Daily Chance of Precipitation in Mlimbawetwetdry0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecMar 2972%Mar 2972%Sep 40%Sep 40%Jan 160%Jan 160%Dec 237%Dec 237%Apr 2737%Apr 2737%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 months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. Mlimba experiences extreme seasonal variation in monthly rainfall.

The rainy period of the year lasts for 7.7 months, from October 17 to June 7, with a sliding 31-day rainfall of at least 0.5 inches. The most rain falls during the 31 days centered around March 27, with an average total accumulation of 9.0 inches.

The rainless period of the year lasts for 4.3 months, from June 7 to October 17. The least rain falls around August 31, with an average total accumulation of 0.0 inches.

Average Monthly Rainfall

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 liquid-equivalent snowfall.

Sun

The length of the day in Mlimba does not vary substantially over the course of the year, staying within 38 minutes of 12 hours throughout. In 2017, the shortest day is June 21, with 11 hours, 37 minutes of daylight; the longest day is December 21, with 12 hours, 38 minutes of daylight.

Hours of Daylight and Twilight

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 is at 6:05 AM on November 16, and the latest sunrise is 47 minutes later at 6:53 AM on July 14. The earliest sunset is at 6:23 PM on May 27, and the latest sunset is 41 minutes later at 7:04 PM on January 28.

Daylight saving time (DST) is not observed in Mlimba during 2017.

Sunrise & Sunset with Twilight

Sunrise & Sunset with Twilight in Mlimba2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMJanFebMarAprMayJunJulAugSepOctNovDecNov 166:05 AMNov 166:05 AM7:04 PMJan 287:04 PMJan 28May 276:23 PMMay 276:23 PM6:53 AMJul 146:53 AMJul 14daynightnight
The solar day over the course of the year 2017. 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.

Humidity

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.

Mlimba experiences extreme seasonal variation in the perceived humidity.

The muggier period of the year lasts for 6.5 months, from November 10 to May 25, during which time the comfort level is muggy, oppressive, or miserable at least 25% of the time. The muggiest day of the year is March 24, with muggy conditions 98% of the time.

The least muggy day of the year is July 17, when muggy conditions are essentially unheard of.

Humidity Comfort Levels

Humidity Comfort Levels in Mlimbamuggymuggy0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecJul 170%Jul 170%98%Mar 2498%Mar 24Nov 1025%Nov 1025%May 2525%May 2525%oppressiveoppressivemuggymuggyhumidhumidcomfortablecomfortabledrydrymiserablemiserable
The percentage of time spent at various humidity comfort levels, categorized by dew point: dry < 55°F < comfortable < 60°F < humid < 65°F < muggy < 70°F < oppressive < 75°F < miserable.

Wind

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 Mlimba experiences mild seasonal variation over the course of the year.

The windier part of the year lasts for 4.4 months, from July 31 to December 11, with average wind speeds of more than 1.9 miles per hour. The windiest day of the year is October 19, with an average hourly wind speed of 2.6 miles per hour.

The calmer time of year lasts for 7.6 months, from December 11 to July 31. The calmest day of the year is February 12, with an average hourly wind speed of 1.2 miles per hour.

Average Wind Speed

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

The predominant average hourly wind direction in Mlimba varies throughout the year.

The wind is most often from the south for 1.5 months, from May 25 to July 11, with a peak percentage of 55% on June 20. The wind is most often from the east for 10 months, from July 11 to May 25, with a peak percentage of 78% on January 1.

Wind Direction

Wind Direction in MlimbaESE0%20%40%60%80%100%JanFebMarAprMayJunJulAugSepOctNovDecwestsoutheastnorth
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions (north, east, south, and west), excluding hours in which the mean wind speed is less than 1 mph. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions (northeast, southeast, southwest, and northwest).

Solar Energy

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 experiences some seasonal variation over the course of the year.

The brighter period of the year lasts for 2.3 months, from September 23 to December 1, with an average daily incident shortwave energy per square meter above 7.0 kWh. The brightest day of the year is November 4, with an average of 7.4 kWh.

The darker period of the year lasts for 2.9 months, from May 12 to August 10, with an average daily incident shortwave energy per square meter below 5.6 kWh. The darkest day of the year is June 29, with an average of 5.2 kWh.

Average Daily Incident Shortwave Solar Energy

Average Daily Incident Shortwave Solar Energy in Mlimbabrightdark0 kWh1 kWh2 kWh3 kWh4 kWh5 kWh6 kWh7 kWh8 kWh9 kWhJanFebMarAprMayJunJulAugSepOctNovDecNov 47.4 kWhNov 47.4 kWhJun 295.2 kWhJun 295.2 kWhSep 237.0 kWhSep 237.0 kWhMay 125.6 kWhMay 125.6 kWhAug 105.6 kWhAug 105.6 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.

Topography

For the purposes of this report, the geographical coordinates of Mlimba are -8.800 deg latitude, 35.817 deg longitude, and 1,014 ft elevation.

The topography within 2 miles of Mlimba contains significant variations in elevation, with a maximum elevation change of 735 feet and an average elevation above sea level of 1,023 feet. Within 10 miles contains significant variations in elevation (2,631 feet). Within 50 miles contains large variations in elevation (6,247 feet).

The area within 2 miles of Mlimba is covered by shrubs (60%) and cropland (39%), within 10 miles by shrubs (38%) and trees (30%), and within 50 miles by trees (31%) and shrubs (27%).

Data Sources

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

Mlimba 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 Mlimba, 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 Tables of the Sun, Moon and Planets , 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 aiports and weather stations are provided by AskGeo.com .

Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC.