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Average Weather in Dalaman Turkey

In Dalaman, the temperature typically varies from 41°F to 91°F over the course of the year, and is rarely below 34°F or above 98°F.

The hot season lasts for 102 days, from June 12 to September 22, with an average daily high temperature above 84°F. The hottest day of the year is July 30, with an average high of 91°F and low of 71°F.

The cool season lasts for 118 days, from November 29 to March 27, with an average daily high temperature below 65°F. The coldest day of the year is January 22, with an average low of 41°F and high of 59°F.

Average High and Low Temperature

The daily average high (red line) and low (blue line) temperature with percentile bands, 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

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJanFebMarAprMayJunJulAugSepOctNovDecchillychillycoldcoldcoolcoolcomfortablecomfortablewarmwarmhothot
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.

Sun

The length of the day in Dalaman varies significantly over the course of the year. In 2017, the shortest day is December 21, with 9 hours, 39 minutes of daylight; the longest day is June 21, with 14 hours, 41 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 5:45 AM on June 13, and the latest sunrise is 2 hours, 33 minutes later at 8:17 AM on January 6. The earliest sunset is at 5:48 PM on December 6, and the latest sunset is 2 hours, 39 minutes later at 8:27 PM on June 28.

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

Sunrise & Sunset with Twilight

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.

Clouds

In Dalaman, 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 Dalaman begins around May 20 and lasts for 141 days, ending around October 8. On July 29, 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 8 and lasts for 224 days, ending around May 20. On January 1, the cloudiest day of the year, the sky is overcast or mostly cloudy 45% of the time, and clear, mostly clear, or partly cloudy 55% of the time.

Cloud Cover

clearerclearercloudiercloudiercloudiercloudier0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecJan 145%Jan 145%Jul 290%Jul 290%May 2023%May 2023%Oct 823%Oct 823%overcastovercastmostly cloudymostly cloudypartly cloudypartly cloudymostly clearmostly clearclearclear
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 Dalaman varies significantly throughout the year.

The wetter season lasts 166 days, from November 1 to April 16, with a greater than 19% chance of a given day being a wet day. The chance of a wet day peaks at 37% on February 4.

The drier season lasts 199 days, from April 16 to November 1. The smallest chance of a wet day is 1% on August 5.

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 37% on February 4.

Daily Chance of Precipitation

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 in the year. Dalaman experiences very significant seasonal variation in monthly rainfall.

The rainy period of the year lasts for 261 days, from September 16 to June 4, with a sliding 31-day rainfall of at least 0.5 inches. The most rain falls during the 31 days centered around January 1, with an average total accumulation of 5.8 inches.

The rainless period of the year lasts for 104 days, from June 4 to September 16. The least rain falls around July 16, with and average total accumulation of 0.1 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.

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.

Dalaman experiences significant seasonal variation in the perceived humidity.

The muggier period of the year lasts for 96 days, from June 15 to September 19, during which time the comfort level is muggy, oppressive, or miserable at least 11% of the time. The muggiest day of the year is August 4, with muggy conditions 45% of the time.

The least muggy day of the year is February 22, when muggy conditions are essentially unheard of.

Humidity Comfort Levels

muggymuggy0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecFeb 220%Feb 220%Aug 445%Aug 445%Jun 1511%Jun 1511%Sep 1911%Sep 1911%muggymuggycomfortablecomfortabledrydryoppressiveoppressive
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 Dalaman experiences mildly seasonal variation over the course of the year.

The windier part of the year lasts for 142 days, from November 18 to April 9, with average wind speeds of more than 4.1 miles per hour. The windiest day of the year is February 11, with an average hourly wind speed of 4.9 miles per hour.

The calmer time of year lasts for 223 days, from April 9 to November 18. The calmest day of the year is May 18, with an average hourly wind speed of 3.4 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 Dalaman varies throughout the year.

The wind is most often from the north for 9 days, from January 16 to January 25; for 161 days, from February 25 to August 5; and for 46 days, from September 27 to November 12, with a peak percentage of 48% on July 1. The wind is most often from the south for 31 days, from January 25 to February 25 and for 65 days, from November 12 to January 16, with a peak percentage of 38% on December 21. The wind is most often from the west for 53 days, from August 5 to September 27, with a peak percentage of 41% on August 26.

Wind Direction

SSSSNNWWNNSS0%20%40%60%80%100%JanFebMarAprMayJunJulAugSepOctNovDecwestwestsouthsoutheasteastnorthnorth
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).

Water Temperature

Dalaman 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 84 days, from July 12 to October 4, with an average temperature above 77°F. The day of the year with the warmest water is August 17, with an average temperature of 81°F.

The time of year with cooler water lasts for 133 days, from December 23 to May 5, with an average temperature below 66°F. The day of the year with the coolest water is March 4, with an average temperature of 62°F.

Average Water Temperature

The daily average water temperature (purple line) with percentile bands, with 25th to 75th and 10th to 90th percentile bands.

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 very significant seasonal variation over the course of the year.

The brighter period of the year lasts for 106 days, from May 11 to August 25, with an average daily incident shortwave energy per square meter above 7.2 kWh. The brightest day of the year is June 29, with an average of 8.5 kWh.

The darker period of the year lasts for 103 days, from November 4 to February 15, with an average daily incident shortwave energy per square meter below 3.5 kWh. The darkest day of the year is December 21, with an average of 2.2 kWh.

Average Daily Incident Shortwave Solar Energy

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 Dalaman are 36.766 deg latitude, 28.803 deg longitude, and 49 ft elevation (map ).

The topography within 2 miles of Dalaman contains only modest variations in elevation, with a maximum elevation change of 387 feet, and an average elevation above sea level of 57 feet. Within 10 miles contains large variations in elevation (2,854 feet). Within 50 miles contains extreme variations in elevation (10,095 feet).

The area within 2 miles of Dalaman is covered by cropland (86%), within 10 miles by trees (35%) and cropland (22%), and within 50 miles by water (37%) and trees (35%).

Data Sources

This report illustrates the typical weather in Dalaman, 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 4 weather stations near enough to contribute to our estimation of the temperature and dew point in Dalaman.

For each station, the records are corrected for the elevation difference between that station and Dalaman 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 Dalaman is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Dalaman and a given station.

The stations contributing to this reconstruction are: Dalaman Airport (97%, 6.0 kilometers, south), Bodrum-Imsik Airport (1.3%, 109 kilometers, northwest), Denizli Çardak Airport (0.7%, 139 kilometers, northeast), and Antalya Airport (0.6%, 179 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 .