Climate and monthly weather forecast
Dalaman, Turkey

Climate and monthly weather forecast

The climate of Dalaman

Dalaman, nestled in the Mediterranean region of Turkey, enjoys a fairly hot Mediterranean climate, characterized as Csa in the Köppen climate classification system. Being part of a temperate climatic region, the area typically experiences warm, dry summers and mild, wet winters.

A distinguishing trait of Dalaman's weather is the relatively small annual temperature fluctuation. Peak temperatures are observed between July and August, with averages rising to 30.9°C (87.6°F) and 31.3°C (88.3°F) respectively, while the coldest months are, predictably, in winter — January and February, with 7.7°C (45.9°F) and 8.8°C (47.8°F) on average. Relative humidity follows a similar annual cycle, sinking to 53% and 59% in July and August, respectively, and hovering around 64% in both January and February.

The rainfall recorded also exhibits considerable variations throughout the year. Observations range from a peak of 140mm (5.51") rainfall in January, down to just 2mm (0.08") in July, making it the driest period of the year. This pattern is in line with the fact that Dalaman is marked by sunshine most of the time, with the exception of the rainy season. The highest average daylight hours of 14.6 are recorded in June, while the least, falling to 9.7, occur in December.

The best time to visit Dalaman

Optimal travel periods are generally associated with pleasant weather conditions. In Dalaman, Turkey, the best time for visiting falls from May to June, with plentiful sunshine, and average temperatures hovering between 19.1°C (66.4°F) to 23.1°C (73.6°F). Relative humidity stays within a comfortable range from 61% to 64%, and rainfall averages are significantly lower, from 22mm (0.87") to 29mm (1.14"). The sea temperature is also refreshing in these months, around 19°C (66.2°F) to 23°C (73.4°F), ideal for aquatic activities. These factors make these months the quintessential vacation period, with the sun high, rain scarce, and temperatures favorable for outdoor pursuits.

The worst time to visit Dalaman

Contrarily, the least favorable time for a visit to Dalaman would be the cooler months of January and February, where the average temperatures of 7.7°C (45.9°F) to 8.8°C (47.8°F) might not prove appealing for travelers seeking warm weather and outdoor activities. This period, coinciding with the highest occurrences of rainfall averaging at 140mm (5.51") and 73mm (2.87") respectively, coupled with lower daylight hours - 10 for January and 10.9 for February - adds to the less appealing weather conditions for tourists during this time of the year.

Spring weather in Dalaman

Spring weather in Dalaman, from March to May, is mildly warm and inviting, making it an ideal period for exploring the outdoors. In these months, average temperature range from 12.8°C (55°F) to 16.6°C (61.9°F), implying a gentle warming trend. Rainfall decreases significantly in this season, with volume falling from 39mm (1.54") in March to 22mm (0.87") in May, making way for more sunny days. Daylight hours increase from 13.1 hours in March to a generous 14.1 hours in May, adding to the allure of the spring season.

Summer weather in Dalaman

Summer days in Dalaman are long, hot, and bathed in sunlight. From June to August, the city's temperature averages between 20.5°C (68.9°F) and 27.3°C (81.1°F), offering bright, sunny days perfect for enjoying the beach and outdoor activities. This period also sees a drastic decrease in the average rainfall from 9mm (0.35") in June to a virtually dry 2mm (0.08") in July, scripting dry and arid conditions. The relative humidity also dwindles from 58% in June down to 53% in July before it picks up slightly to 57% in September.

Autumn weather in Dalaman

Autumn in Dalaman, spanning from October to November, is marked by a gradual decrease in temperature. In October, the average temperature hovers around 17.7°C (63.9°F), and further cools down to 13.8°C (56.8°F) in November, signifying the onset of winter. Rainfall, too, shows a noticeable increase in October with 51mm (2.01"), intensifying further to 58mm (2.28") in November. Although autumn weather signifies the end of summer festivities, the cooler temperatures and higher rainfall render the surroundings lush and serene, showcasing the autumnal hues of Dalaman in full bloom.

Winter weather in Dalaman

Winter in Dalaman is relatively mild, with temperatures from December to February ranging from 7.7°C (45.9°F) to 9.9°C (49.8°F) on average. Rainfall is at its peak during this period, accumulating to 87mm (3.43") in December and reaching the highest yearly amount of 140mm (5.51") in January. Average daylight hours fall to the year's lowest at 9.7 in December. Despite the cold and damp weather, visitors can still participate in indoor activities and relish the charms of Dalaman throughout the winter months.

Weather in January

The start of the year in Dalaman, Turkey brings a cooler climate consistent with the winter season. Notably, January experiences one of the highest rainfall volumes in the year, with precipitation reaching 140mm (5.51"). The slightly lower temperatures and increased rainfall usually lead to a slight spike in relative humidity. Weather in January »

Weather in February

As February rolls around, Dalaman sees a gradual shift in weather patterns. The rainfall levels drop significantly from January to February, falling to 73mm (2.87"). The temperature gradually rises, and daylight hours slowly start to increase, hinting at the approaching spring season. Weather in February »

Weather in March

March ushers in the spring season in Dalaman, creating a noticeable shift in weather conditions. March experiences one of the lowest humidity levels in the year, standing at 64%. Days become longer, allowing for increased sunshine hours. Weather in March »

Weather in April

In April, the weather conditions continue to change, moving further into a typical spring climate. The weather is characterized by a marked decrease in pressure to 1013.3mb. The temperatures continue to rise from March, and daylight increases. Weather in April »

Weather in May

May brings a significant change in weather conditions in Dalaman, nudging the needle more towards simmer conditions. There is a remarkable increase in sea temperatures, reaching 19°C (66.2°F). The temperatures on land also rise considerably, and daylight hours increase notably. Weather in May »

Weather in June

As June comes around, Dalaman's summer is in full swing, highlighting the idyllic Mediterranean climate. This is confirmed by the highest number of sunshine hours at 12.2 hours. The temperatures increase further, both at land and sea. Weather in June »

Weather in July

July is typically the hottest month of the year in Dalaman, and the temperatures this year are no exception. The mercury reaches its peak for the year at 30.9°C (87.6°F). Extra caution is advised due to the high UV index. The humidity level drops sharply, another sign of the unforgiving summer heat. Weather in July »

Weather in August

As August unfolds, the weather conditions in Dalaman continue reflecting the height of summer. As evidence of this, August has seen the highest sea temperatures, climbing up to 25°C (77°F). Despite being one of the hotter months, the weather remains consistent, creating ideal conditions for beach activities. Weather in August »

Weather in September

September signals the beginning of the transition from summer to autumn. There is a significant decrease in temperature to 27.8°C (82°F), but it stays warm enough to enjoy outdoor activities. As September progresses, the days become shorter, and the temperatures start to dip. Weather in September »

Weather in October

In October, Dalaman transitions further into autumn weather. Most evident of this is a spike in rainfall to 51mm (2.01"), following the summer's drought. Slowly but surely, the temperatures continue to decrease. The cloud cover increases, but daylight hours are still considerable. Weather in October »

Weather in November

November in Dalaman is noticeably cooler and rainier, with the changing climate hinting at the imminent winter. The wind speed ticks up a notch to 10km/h (6.2mph), cooling the air slightly. Moreover, the temperatures continue to fall, and rainfall increases, transforming the landscape to a more wintery look. Weather in November »

Weather in December

December marks the culmination of the year with the winter well underway in Dalaman. The weather takes a colder turn, with temperatures dipping down to 9.9°C (49.8°F). Along with this drop in temperature, December sees a hike in humidity to 64%. Weather in December »

Frequently asked questions

What month is the coldest in Dalaman?
Dalaman experiences its average lowest temperatures in January, reaching a peak of 12.4°C (54.3°F) and a minimum of 7.7°C (45.9°F).
What are the most humid months in Dalaman?
January and February, with an average relative humidity of 68%, are most humid months in Dalaman.
What is the wettest month in Dalaman?
The month with the most rainfall in Dalaman, Turkey, is January, when the rain falls for 13.2 days and typically aggregates up to 140mm (5.51") of precipitation.
How much does it rain in Dalaman?
In Dalaman, during the entire year, the rain falls for 92.4 days and collects up to 527mm (20.75") of precipitation.
When it does not snow in Dalaman?
January, March through December are months without snowfall.
How many days does it snow in Dalaman?
In Dalaman, during the entire year, snow falls for 0.2 days.
When is the lowest UV index in Dalaman?
January and December, with an average maximum UV index of 3, are months with the lowest UV index in Dalaman.
When does it snow in Dalaman?
The only month with snowfall is February.
What is the snowiest month in Dalaman?
The month with the most snowfall days in Dalaman, Turkey, is February, when snow falls for 0.2 days.
When is the sea coldest in Dalaman?
The months with the coldest seawater in Dalaman are February and March, with an average sea temperature of 16°C (60.8°F).
When are the longest days in Dalaman?
The month with the longest days is June, with an average of 14h and 36min of daylight.
What month has the most sunshine in Dalaman?
June has the most sunshine of the year in Dalaman, Turkey, with an average of 12.2h of sunshine.
When is the highest UV index in Dalaman?
June through August, with an average maximum UV index of 7, are months with the highest UV index in Dalaman.
What is the least humid month in Dalaman?
July is the least humid month in Dalaman, Turkey, with an average relative humidity of 53%.
What is the driest month in Dalaman?
The month with the least rainfall is July, when the rain falls for 1.4 days and typically collects 2mm (0.08") of precipitation.
What month is the hottest in Dalaman?
Dalaman, Turkey, witnesses the warmest weather in August, with temperatures averaging a high of 31.3°C (88.3°F) and a low of 24.3°C (75.7°F).
What are the months with the warmest sea water in Dalaman?
August and September, with an average sea temperature of 25°C (77°F), are months with the warmest seawater.
What is the month with the shortest days in Dalaman?
With an average of 9h and 42min of daylight, December has the shortest days of the year.
Is there Daylight Saving Time (DST) in Dalaman?
Dalaman, Turkey, does not utilize Daylight Saving Time (DST). +03 timezone is used over the entire year.
What is the month with the least sunshine in Dalaman?
December has the least sunshine of the year, with an average of 6.7h of sunshine.
Average temperature - Dalaman, Turkey
Average temperature
Dalaman, Turkey

The warmest month (with the highest average high temperature) is August (31.3°C).
The month with the lowest average high temperature is January (12.4°C).

The month with the highest average low temperature is August (24.3°C).
The coldest month (with the lowest average low temperature) is January (7.7°C).

Average pressure - Dalaman, Turkey
Average pressure
Dalaman, Turkey

The month with the highest atmospheric pressure is December (1017.6mbar).
The month with the lowest atmospheric pressure is July (1007.4mbar).

Average wind speed - Dalaman, Turkey
Average wind speed
Dalaman, Turkey

The windiest month (with the highest average wind speed) is January (13.3km/h).
The calmest months (with the lowest average wind speed) are May and August (9.9km/h).

Average humidity - Dalaman, Turkey
Average humidity
Dalaman, Turkey

The months with the highest relative humidity are January and February (68%).
The month with the lowest relative humidity is July (53%).

Average rainfall - Dalaman, Turkey
Average rainfall
Dalaman, Turkey

The wettest month (with the highest rainfall) is January (140mm).
The driest month (with the least rainfall) is July (2mm).

Average rainfall days - Dalaman, Turkey
Average rainfall days
Dalaman, Turkey

The month with the highest number of rainy days is January (13.2 days).
The month with the least rainy days is July (1.4 days).

Average snowfall days - Dalaman, Turkey
Average snowfall days
Dalaman, Turkey

The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

Average sea temperature - Dalaman, Turkey
Average sea temperature
Dalaman, Turkey

The best months for swimming (with the highest average sea temperature) are August and September (25°C).
The coldest months (with the lowest average sea temperature) are February and March (16°C).

Average daylight / Average sunshine - Dalaman, Turkey
Average daylight / Average sunshine
Dalaman, Turkey

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

Average sunshine days - Dalaman, Turkey
Average sunshine days
Dalaman, Turkey

The month with the most sunshine days is July (28.4 days).
The month with the least sunshine days is February (14.3 days).

Average UV index - Dalaman, Turkey
Average UV index
Dalaman, Turkey

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average visibility - Dalaman, Turkey
Average visibility
Dalaman, Turkey

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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