Average Weather in Tadjoura Djibouti

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In Tadjoura, the summers are short, sweltering, and mostly cloudy; the winters are long, warm, windy, and mostly clear; and it is muggy and dry year round. Over the course of the year, the temperature typically varies from 72°F to 107°F and is rarely below 69°F or above 110°F.

The hot season lasts for 2.1 months, from May 26 to July 29, with an average daily high temperature above 102°F. The hottest day of the year is June 22, with an average high of 107°F and low of 87°F.

The cool season lasts for 3.7 months, from November 16 to March 7, with an average daily high temperature below 90°F. The coldest day of the year is January 7, with an average low of 72°F and high of 86°F.

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.

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

The clearer part of the year in Tadjoura begins around October 3 and lasts for 6.6 months, ending around April 22. On November 20, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 73% of the time, and overcast or mostly cloudy 27% of the time.

The cloudier part of the year begins around April 22 and lasts for 5.4 months, ending around October 3. On June 5, the cloudiest day of the year, the sky is overcast or mostly cloudy 72% of the time, and clear, mostly clear, or partly cloudy 28% of the time.

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

The wetter season lasts 6.4 months, from March 11 to September 24, with a greater than 13% chance of a given day being a wet day. The chance of a wet day peaks at 24% on August 8.

The drier season lasts 5.6 months, from September 24 to March 11. The smallest chance of a wet day is 3% on December 29.

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 24% on August 8.

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. Tadjoura experiences some seasonal variation in monthly rainfall.

The rainy period of the year lasts for 7.9 months, from February 24 to October 20, with a sliding 31-day rainfall of at least 0.5 inches. The most rain falls during the 31 days centered around April 8, with an average total accumulation of 1.6 inches.

The rainless period of the year lasts for 4.1 months, from October 20 to February 24. The least rain falls around December 26, with an average total accumulation of 0.3 inches.

The length of the day in Tadjoura does not vary substantially over the course of the year, staying within 49 minutes of 12 hours throughout. In 2017, the shortest day is December 21, with 11 hours, 26 minutes of daylight; the longest day is June 21, with 12 hours, 49 minutes of daylight.

The earliest sunrise is at 5:43 AM on May 30, and the latest sunrise is 50 minutes later at 6:33 AM on January 25. The earliest sunset is at 5:40 PM on November 17, and the latest sunset is 57 minutes later at 6:37 PM on July 11.

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

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.

Tadjoura experiences significant seasonal variation in the perceived humidity.

The muggier period of the year lasts for 11 months, from July 10 to June 5, during which time the comfort level is muggy, oppressive, or miserable at least 53% of the time. The muggiest day of the year is April 22, with muggy conditions 89% of the time.

The least muggy day of the year is June 25, with muggy conditions 40% of the time.

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 Tadjoura experiences significant seasonal variation over the course of the year.

The windier part of the year lasts for 6.0 months, from October 19 to April 19, with average wind speeds of more than 5.5 miles per hour. The windiest day of the year is January 17, with an average hourly wind speed of 7.3 miles per hour.

The calmer time of year lasts for 6.0 months, from April 19 to October 19. The calmest day of the year is May 24, with an average hourly wind speed of 3.7 miles per hour.

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

The wind is most often from the west for 3.4 months, from June 4 to September 16, with a peak percentage of 79% on August 2. The wind is most often from the east for 8.6 months, from September 16 to June 4, with a peak percentage of 97% on January 1.

Tadjoura is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.

The average water temperature experiences some seasonal variation over the course of the year.

The time of year with warmer water lasts for 1.9 months, from August 28 to October 26, with an average temperature above 86°F. The day of the year with the warmest water is September 25, with an average temperature of 88°F.

The time of year with cooler water lasts for 3.0 months, from December 20 to March 20, with an average temperature below 81°F. The day of the year with the coolest water is January 30, with an average temperature of 79°F.

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 1.9 months, from February 26 to April 23, with an average daily incident shortwave energy per square meter above 6.8 kWh. The brightest day of the year is March 20, with an average of 7.1 kWh.

The darker period of the year lasts for 1.1 months, from September 2 to October 4, with an average daily incident shortwave energy per square meter below 6.1 kWh. The darkest day of the year is September 20, with an average of 5.8 kWh.

For the purposes of this report, the geographical coordinates of Tadjoura are 11.785 deg latitude, 42.884 deg longitude, and 72 ft elevation.

The topography within 2 miles of Tadjoura contains significant variations in elevation, with a maximum elevation change of 548 feet and an average elevation above sea level of 117 feet. Within 10 miles contains significant variations in elevation (4,478 feet). Within 50 miles also contains extreme variations in elevation (6,391 feet).

The area within 2 miles of Tadjoura is covered by water (49%) and bare soil (42%), within 10 miles by water (46%) and bare soil (35%), and within 50 miles by bare soil (52%) and water (23%).

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

Tadjoura 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 Tadjoura, 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.