Average Weather in Adıyaman Turkey

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In Adıyaman, the summers are hot, arid, and clear and the winters are chilly and partly cloudy. Over the course of the year, the temperature typically varies from 32°F to 97°F and is rarely below 23°F or above 103°F.

The hot season lasts for 3.4 months, from June 8 to September 19, with an average daily high temperature above 86°F. The hottest day of the year is July 26, with an average high of 97°F and low of 75°F.

The cool season lasts for 3.6 months, from November 24 to March 13, with an average daily high temperature below 55°F. The coldest day of the year is January 24, with an average low of 32°F and high of 44°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 Adıyaman, 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 Adıyaman begins around May 15 and lasts for 4.8 months, ending around October 10. On August 2, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 100% of the time, and overcast or mostly cloudy 0% of the time.

The cloudier part of the year begins around October 10 and lasts for 7.2 months, ending around May 15. On December 24, the cloudiest day of the year, the sky is overcast or mostly cloudy 50% of the time, and clear, mostly clear, or partly cloudy 50% 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 Adıyaman varies throughout the year.

The wetter season lasts 7.3 months, from October 13 to May 22, with a greater than 12% chance of a given day being a wet day. The chance of a wet day peaks at 24% on February 7.

The drier season lasts 4.7 months, from May 22 to October 13. The smallest chance of a wet day is 1% on September 1.

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 22% on March 19.

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. Adıyaman experiences some seasonal variation in monthly rainfall.

The rainy period of the year lasts for 7.9 months, from October 1 to May 30, with a sliding 31-day rainfall of at least 0.5 inches. The most rain falls during the 31 days centered around December 13, with an average total accumulation of 1.6 inches.

The rainless period of the year lasts for 4.1 months, from May 30 to October 1. The least rain falls around August 21, with an average total accumulation of 0.0 inches.

Snowfall

The sliding 31-day liquid-equivalent quantity of snowfall in Adıyaman does not vary significantly over the course of the year, staying within 0.1 inches of 0.1 inches throughout.

The length of the day in Adıyaman varies significantly over the course of the year. In 2017, the shortest day is December 21, with 9 hours, 33 minutes of daylight; the longest day is June 21, with 14 hours, 47 minutes of daylight.

The earliest sunrise is at 5:04 AM on June 14, and the latest sunrise is 2 hours, 38 minutes later at 7:42 AM on January 5. The earliest sunset is at 5:07 PM on December 6, and the latest sunset is 2 hours, 45 minutes later at 7:52 PM on June 28.

Daylight saving time (DST) is not observed in Adıyaman 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 Adıyaman, 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 Adıyaman experiences mild seasonal variation over the course of the year.

The windier part of the year lasts for 3.1 months, from June 4 to September 6, with average wind speeds of more than 4.5 miles per hour. The windiest day of the year is July 3, with an average hourly wind speed of 5.6 miles per hour.

The calmer time of year lasts for 8.9 months, from September 6 to June 4. The calmest day of the year is November 5, with an average hourly wind speed of 3.5 miles per hour.

The predominant average hourly wind direction in Adıyaman is from the north throughout the year.

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 extreme seasonal variation over the course of the year.

The brighter period of the year lasts for 3.2 months, from May 19 to August 25, with an average daily incident shortwave energy per square meter above 7.4 kWh. The brightest day of the year is July 3, with an average of 8.8 kWh.

The darker period of the year lasts for 3.6 months, from November 1 to February 17, with an average daily incident shortwave energy per square meter below 3.5 kWh. The darkest day of the year is December 24, with an average of 2.2 kWh.

For the purposes of this report, the geographical coordinates of Adıyaman are 37.764 deg latitude, 38.276 deg longitude, and 2,201 ft elevation.

The topography within 2 miles of Adıyaman contains very significant variations in elevation, with a maximum elevation change of 1,158 feet and an average elevation above sea level of 2,263 feet. Within 10 miles contains very significant variations in elevation (3,944 feet). Within 50 miles also contains extreme variations in elevation (8,934 feet).

The area within 2 miles of Adıyaman is covered by cropland (48%), artificial surfaces (35%), and grassland (11%), within 10 miles by cropland (64%) and grassland (12%), and within 50 miles by cropland (46%) and grassland (20%).

This report illustrates the typical weather in Adıyaman, 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 are 5 weather stations near enough to contribute to our estimation of the temperature and dew point in Adıyaman.

For each station, the records are corrected for the elevation difference between that station and Adıyaman according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.

The estimated value at Adıyaman is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Adıyaman and a given station.

The stations contributing to this reconstruction are: Tulga (35%, 66 kilometers, north); Sanliurfa Airport (23%, 90 kilometers, southeast); Gaziantep Oğuzeli International Airport (17%, 115 kilometers, southwest); Kahramanmaraş Airport (16%, 120 kilometers, west); and Diyarbakır Airport (9%, 170 kilometers, east).

Other Data

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.

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 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.