1. WeatherSpark.com
  2. Turkey
  3. Istanbul
  4. Bahçelievler

Average Weather in Bahçelievler Turkey

In Bahçelievler, the summers are warm, dry, and clear and the winters are long, chilly, windy, and partly cloudy. Over the course of the year, the temperature typically varies from 38°F to 85°F and is rarely below 30°F or above 90°F.

The warm season lasts for 3.2 months, from June 9 to September 15, with an average daily high temperature above 77°F. The hottest day of the year is August 2, with an average high of 85°F and low of 71°F.

The cool season lasts for 3.9 months, from November 28 to March 25, with an average daily high temperature below 55°F. The coldest day of the year is February 6, with an average low of 38°F and high of 47°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 Bahçelievler12 AM4 AM8 AM12 PM4 PM8 PM12 AMJanFebMarAprMayJunJulAugSepOctNovDecchillycoldcoolcomfortablewarm
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 Bahçelievler, 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 Bahçelievler begins around May 26 and lasts for 4.2 months, ending around October 2. On July 26, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 96% of the time, and overcast or mostly cloudy 4% of the time.

The cloudier part of the year begins around October 2 and lasts for 7.8 months, ending around May 26. On December 14, the cloudiest day of the year, the sky is overcast or mostly cloudy 58% of the time, and clear, mostly clear, or partly cloudy 41% of the time.

Cloud Cover

Cloud Cover in Bahçelievlerclearercloudiercloudier0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecDec 1458%Dec 1458%Jul 264%Jul 264%May 2631%May 2631%Oct 231%Oct 231%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 Bahçelievler varies throughout the year.

The wetter season lasts 6.9 months, from October 3 to April 30, with a greater than 19% chance of a given day being a wet day. The chance of a wet day peaks at 32% on December 13.

The drier season lasts 5.1 months, from April 30 to October 3. The smallest chance of a wet day is 6% on July 12.

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 31% on December 13.

Daily Chance of Precipitation

Daily Chance of Precipitation in Bahçelievlerwetwetdry0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecDec 1332%Dec 1332%Jul 126%Jul 126%Oct 319%Oct 319%Apr 3019%Apr 3019%snowrain
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. Bahçelievler experiences significant seasonal variation in monthly rainfall.

Rain falls throughout the year in Bahçelievler. The most rain falls during the 31 days centered around December 9, with an average total accumulation of 2.9 inches.

The least rain falls around July 22, with an average total accumulation of 0.6 inches.

Average Monthly Rainfall

Average Monthly Rainfall in Bahçelievler0 in1 in2 in3 in4 in5 in6 inJanFebMarAprMayJunJulAugSepOctNovDecDec 92.9 inDec 92.9 inJul 220.6 inJul 220.6 in
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.

Snowfall

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

Average Liquid-Equivalent Monthly Snowfall

Average Liquid-Equivalent Monthly Snowfall in Bahçelievlersnow0.0 in0.5 in1.0 in1.5 in2.0 in2.5 in3.0 inJanFebMarAprMayJunJulAugSepOctNovDecFeb 150.1 inFeb 150.1 inJul 250.0 inJul 250.0 in
The average liquid-equivalent snowfall (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 rainfall.

Sun

The length of the day in Bahçelievler varies significantly over the course of the year. In 2017, the shortest day is December 21, with 9 hours, 13 minutes of daylight; the longest day is June 21, with 15 hours, 8 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 5:31 AM on June 14, and the latest sunrise is 2 hours, 58 minutes later at 8:29 AM on January 5. The earliest sunset is at 5:36 PM on December 8, and the latest sunset is 3 hours, 5 minutes later at 8:40 PM on June 27.

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

Sunrise & Sunset with Twilight

Sunrise & Sunset with Twilight in Bahçelievler2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMJanFebMarAprMayJunJulAugSepOctNovDecJun 145:31 AMJun 145:31 AM8:40 PMJun 278:40 PMJun 27Dec 85:36 PMDec 85:36 PM8:29 AMJan 58:29 AMJan 5daynightnightnightnight
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.

Bahçelievler experiences significant seasonal variation in the perceived humidity.

The muggier period of the year lasts for 3.0 months, from June 16 to September 16, 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 5, with muggy conditions 46% of the time.

The least muggy day of the year is December 11, when muggy conditions are essentially unheard of.

Humidity Comfort Levels

Humidity Comfort Levels in Bahçelievlermuggy0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecDec 110%Dec 110%Aug 546%Aug 546%Jun 1611%Jun 1611%Sep 1612%Sep 1612%oppressiveoppressivemuggymuggyhumidhumidcomfortablecomfortabledrydry
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 Bahçelievler experiences mild seasonal variation over the course of the year.

The windier part of the year lasts for 8.8 months, from July 6 to March 30, with average wind speeds of more than 5.6 miles per hour. The windiest day of the year is February 4, with an average hourly wind speed of 6.6 miles per hour.

The calmer time of year lasts for 3.2 months, from March 30 to July 6. The calmest day of the year is May 31, with an average hourly wind speed of 4.7 miles per hour.

Average Wind Speed

Average Wind Speed in Bahçelievlerwindywindy0 mph1 mph2 mph3 mph4 mph5 mph6 mph7 mph8 mph9 mph10 mph11 mphJanFebMarAprMayJunJulAugSepOctNovDecFeb 46.6 mphFeb 46.6 mphMay 314.7 mphMay 314.7 mphJul 65.6 mphJul 65.6 mphMar 305.6 mphMar 305.6 mph
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 Bahçelievler varies throughout the year.

The wind is most often from the east for 1.8 months, from September 1 to October 25, with a peak percentage of 44% on September 3. The wind is most often from the north for 10 months, from October 25 to September 1, with a peak percentage of 32% on January 1.

Wind Direction

Wind Direction in BahçelievlerNEN0%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).

Water Temperature

Bahçelievler 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 significant seasonal variation over the course of the year.

The time of year with warmer water lasts for 3.5 months, from June 16 to October 1, with an average temperature above 69°F. The day of the year with the warmest water is August 9, with an average temperature of 75°F.

The time of year with cooler water lasts for 3.9 months, from December 18 to April 16, with an average temperature below 52°F. The day of the year with the coolest water is February 17, with an average temperature of 46°F.

Average Water Temperature

The daily average water temperature (purple line), 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 extreme seasonal variation over the course of the year.

The brighter period of the year lasts for 3.5 months, from May 8 to August 22, with an average daily incident shortwave energy per square meter above 6.6 kWh. The brightest day of the year is July 7, with an average of 7.9 kWh.

The darker period of the year lasts for 3.7 months, from October 29 to February 19, with an average daily incident shortwave energy per square meter below 2.8 kWh. The darkest day of the year is December 24, with an average of 1.5 kWh.

Average Daily Incident Shortwave Solar Energy

Average Daily Incident Shortwave Solar Energy in Bahçelievlerbrightdarkdark0 kWh1 kWh2 kWh3 kWh4 kWh5 kWh6 kWh7 kWh8 kWh9 kWhJanFebMarAprMayJunJulAugSepOctNovDecJul 77.9 kWhJul 77.9 kWhDec 241.5 kWhDec 241.5 kWhMay 86.6 kWhMay 86.6 kWhAug 226.6 kWhAug 226.6 kWhOct 292.8 kWhOct 292.8 kWhFeb 192.8 kWhFeb 192.8 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 Bahçelievler are 41.002 deg latitude, 28.860 deg longitude, and 115 ft elevation.

The topography within 2 miles of Bahçelievler contains only modest variations in elevation, with a maximum elevation change of 299 feet and an average elevation above sea level of 132 feet. Within 10 miles contains only modest variations in elevation (810 feet). Within 50 miles contains significant variations in elevation (4,308 feet).

The area within 2 miles of Bahçelievler is covered by artificial surfaces (94%), within 10 miles by water (46%) and artificial surfaces (38%), and within 50 miles by water (58%) and trees (22%).

Data Sources

This report illustrates the typical weather in Bahçelievler, 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 2 weather stations near enough to contribute to our estimation of the temperature and dew point in Bahçelievler.

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

The stations contributing to this reconstruction are: Istanbul Atatürk Airport (96%, 4.3 kilometers, southwest) and Sabiha Gökçen International Airport (3.7%, 39 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.