Average Weather in Āsasa Ethiopia

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3. Oromiya
4. Āsasa

The climate in Āsasa is comfortable and mostly cloudy. Over the course of the year, the temperature typically varies from 45°F to 77°F and is rarely below 40°F or above 82°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 Āsasa, 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 Āsasa begins around August 29 and lasts for 6.7 months, ending around March 19. On December 9, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 49% of the time, and overcast or mostly cloudy 51% of the time.

The cloudier part of the year begins around March 19 and lasts for 5.3 months, ending around August 29. On April 30, the cloudiest day of the year, the sky is overcast or mostly cloudy 78% of the time, and clear, mostly clear, or partly cloudy 22% 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 Āsasa varies very significantly throughout the year.

The wetter season lasts 7.1 months, from March 22 to October 24, with a greater than 37% chance of a given day being a wet day. The chance of a wet day peaks at 65% on August 15.

The drier season lasts 4.9 months, from October 24 to March 22. The smallest chance of a wet day is 9% on January 8.

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 65% on August 15.

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. Āsasa experiences extreme seasonal variation in monthly rainfall.

Rain falls throughout the year in Āsasa. The most rain falls during the 31 days centered around April 20, with an average total accumulation of 7.2 inches.

The least rain falls around December 24, with an average total accumulation of 0.8 inches.

The length of the day in Āsasa does not vary substantially over the course of the year, staying within 32 minutes of 12 hours throughout. In 2017, the shortest day is December 21, with 11 hours, 43 minutes of daylight; the longest day is June 21, with 12 hours, 32 minutes of daylight.

The earliest sunrise is at 6:05 AM on May 25, and the latest sunrise is 36 minutes later at 6:42 AM on January 31. The earliest sunset is at 6:01 PM on November 13, and the latest sunset is 42 minutes later at 6:44 PM on July 15.

Daylight saving time (DST) is not observed in Āsasa 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.

The perceived humidity level in Āsasa, as measured by the percentage of time in which the humidity comfort level is muggy, oppressive, or miserable, does not vary significantly over the course of the year, remaining a virtually constant 0% throughout.

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

The windier part of the year lasts for 6.4 months, from October 17 to April 29, with average wind speeds of more than 2.9 miles per hour. The windiest day of the year is March 7, with an average hourly wind speed of 3.7 miles per hour.

The calmer time of year lasts for 5.6 months, from April 29 to October 17. The calmest day of the year is June 20, with an average hourly wind speed of 2.2 miles per hour.

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

The wind is most often from the south for 3.5 months, from June 6 to September 21, with a peak percentage of 63% on August 28. The wind is most often from the east for 8.5 months, from September 21 to June 6, with a peak percentage of 91% on January 1.

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 2.2 months, from January 21 to March 28, with an average daily incident shortwave energy per square meter above 6.9 kWh. The brightest day of the year is March 1, with an average of 7.4 kWh.

The darker period of the year lasts for 2.0 months, from June 22 to August 22, with an average daily incident shortwave energy per square meter below 5.6 kWh. The darkest day of the year is July 20, with an average of 5.1 kWh.

For the purposes of this report, the geographical coordinates of Āsasa are 7.100 deg latitude, 39.200 deg longitude, and 7,792 ft elevation.

The topography within 2 miles of Āsasa contains only modest variations in elevation, with a maximum elevation change of 262 feet and an average elevation above sea level of 7,775 feet. Within 10 miles contains only modest variations in elevation (1,532 feet). Within 50 miles contains very significant variations in elevation (10,269 feet).

The area within 2 miles of Āsasa is covered by cropland (100%), within 10 miles by cropland (100%), and within 50 miles by cropland (66%) and grassland (15%).

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

Āsasa 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 Āsasa, 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.