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Siirt, Siirt Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Siirt, Siirt?
Siirt, Siirt gets 643 mm of precipitation a year over about 87 rainy days. July is the warmest month (average high 38°C) and January the coldest (average low 1°C).
Mediterranean climate
Siirt, Siirt has hot summers and chilly winters. Daytime highs range from about 7°C in January to 38°C in August. March is usually the wettest month. The most comfortable time to visit is typically April to May and October, when daytime highs sit near 24°C.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | 2° | 9° |
| Spring | Mar–May | 10° | 20° |
| Summer | Jun–Aug | 23° | 36° |
| Autumn | Sep–Nov | 13° | 24° |
How much rain does Siirt get?
Siirt gets 643 mm of precipitation in an average year, spread over about 87 days with measurable rain.
March is the wettest month, with 102 mm. July is the driest, with 1 mm. March has the most rainy days, about 13.
The longest dry spell in the last five years lasted 36 days, to September 16, 2022.
From October 2025 to September 2026 Siirt got 25 mm of rain, against a normal of 643 mm for those months. January 2026 had the most, with 8 mm.
Siirt weather by month
Siirt weather in January
In January, Siirt averages a high of 7°C and a low of 1°C. It gets 82 mm of precipitation over about 11 rainy days. Estimated sunshine is 43% of daylight hours, derived from ERA5 cloud cover. The January record high is 16°C (2021) and the record low is -13°C (1973).
Siirt weather in February
In February, Siirt averages a high of 9°C and a low of 2°C. It gets 89 mm of precipitation over about 12 rainy days. Estimated sunshine is 50% of daylight hours, derived from ERA5 cloud cover. The February record high is 20°C (1973) and the record low is -10°C (2017).
Siirt weather in March
In March, Siirt averages a high of 14°C and a low of 6°C. It gets 102 mm of precipitation over about 13 rainy days. Estimated sunshine is 38% of daylight hours, derived from ERA5 cloud cover. The March record high is 28°C (2008) and the record low is -7°C (2012).
Siirt weather in April
In April, Siirt averages a high of 19°C and a low of 10°C. It gets 100 mm of precipitation over about 12 rainy days. Estimated sunshine is 54% of daylight hours, derived from ERA5 cloud cover. The April record high is 33°C (2008) and the record low is -4°C (2004). April is one of the most comfortable months to visit.
Siirt weather in May
In May, Siirt averages a high of 26°C and a low of 14°C. It gets 53 mm of precipitation over about 8 rainy days. Estimated sunshine is 65% of daylight hours, derived from ERA5 cloud cover. The May record high is 37°C (2021) and the record low is 0°C (1973). May is one of the most comfortable months to visit.
Siirt weather in June
In June, Siirt averages a high of 33°C and a low of 21°C. It gets 8 mm of precipitation over about 3 rainy days. Estimated sunshine is 88% of daylight hours, derived from ERA5 cloud cover. The June record high is 40°C (2010) and the record low is 11°C (2003).
Siirt weather in July
In July, Siirt averages a high of 38°C and a low of 24°C. It gets 1 mm of precipitation over about 1 rainy days. Estimated sunshine is 94% of daylight hours, derived from ERA5 cloud cover. The July record high is 44°C (2025) and the record low is 11°C (2026).
Siirt weather in August
In August, Siirt averages a high of 38°C and a low of 24°C. It gets 2 mm of precipitation over about 1 rainy days. Estimated sunshine is 95% of daylight hours, derived from ERA5 cloud cover. The August record high is 43°C (2006) and the record low is 14°C (1974).
Siirt weather in September
In September, Siirt averages a high of 33°C and a low of 20°C. It gets 7 mm of precipitation over about 2 rainy days. Estimated sunshine is 91% of daylight hours, derived from ERA5 cloud cover. The September record high is 41°C (2022) and the record low is 8°C (2009).
Siirt weather in October
In October, Siirt averages a high of 26°C and a low of 14°C. It gets 47 mm of precipitation over about 6 rainy days. Estimated sunshine is 75% of daylight hours, derived from ERA5 cloud cover. The October record high is 35°C (2012) and the record low is 2°C (2003). October is one of the most comfortable months to visit.
Siirt weather in November
In November, Siirt averages a high of 16°C and a low of 7°C. It gets 67 mm of precipitation over about 8 rainy days. Estimated sunshine is 57% of daylight hours, derived from ERA5 cloud cover. The November record high is 26°C (2025) and the record low is -4°C (2004).
Siirt weather in December
In December, Siirt averages a high of 9°C and a low of 2°C. It gets 85 mm of precipitation over about 11 rainy days. Estimated sunshine is 54% of daylight hours, derived from ERA5 cloud cover. The December record high is 24°C (2010) and the record low is -12°C (2002).
Sunshine, humidity and wind in Siirt
August is the sunniest month in Siirt, with estimated sunshine of 95% of daylight hours from ERA5 cloud cover. March is the cloudiest, at 38%. The annual cloud-cover estimate is 67% of daylight hours; it is not a measurement of sunshine duration. Siirt is sunnier than 84% of Turkey.
Humidity peaks in January at 71% and is lowest in August at 21%.
Siirt has about 80 days a year above 32°C. Siirt is hotter than 91% of Turkey.
First and last freeze in Siirt
The first fall freeze in Siirt typically comes around December 8, and the last spring freeze around February 27. That leaves a frost-free growing season of about 284 days.
Siirt weather records
These records cover SIIRT during 1973–2026. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Siirt station is 44°C, on July 28, 2011. The coldest is -13°C, on January 25, 1973.
The wettest day in the available station history brought 121 mm of precipitation, on May 12, 2007.
The best time to visit Siirt
The most comfortable time to visit is typically April to May and October, when daytime highs sit near 24°C.
Winter (December–February) is chilly, with average highs around 9°C and lows near 1°C.
Spring (March–May) is mild, with average highs around 20°C and lows near 10°C.
Summer (June–August) is hot, with average highs around 36°C and lows near 23°C.
Autumn (September–November) is warm, with average highs around 25°C and lows near 14°C.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | 1° | 7° | 82 mm | 11 | 71% | 43% | 16° | -13° |
| February | 2° | 9° | 89 mm | 12 | 64% | 50% | 20° | -10° |
| March | 6° | 14° | 102 mm | 13 | 65% | 38% | 28° | -7° |
| April | 10° | 19° | 100 mm | 12 | 51% | 54% | 33° | -4° |
| May | 14° | 26° | 53 mm | 8 | 43% | 65% | 37° | 0° |
| June | 21° | 33° | 8.1 mm | 3 | 25% | 88% | 40° | 11° |
| July | 24° | 38° | 1.0 mm | 1 | 22% | 94% | 44° | 11° |
| August | 24° | 38° | 1.8 mm | 1 | 21% | 95% | 43° | 14° |
| September | 20° | 33° | 7.4 mm | 2 | 25% | 91% | 41° | 8° |
| October | 14° | 26° | 47 mm | 6 | 37% | 75% | 35° | 2° |
| November | 7° | 16° | 67 mm | 8 | 61% | 57% | 26° | -4° |
| December | 2° | 9° | 85 mm | 11 | 69% | 54% | 24° | -12° |
Station: SIIRT, 2 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1973–2026; record values refer to this station and period, not the entire city’s history. Precipitation includes rain and the water equivalent of frozen precipitation; snowfall depth is shown separately when available. Sources and methods
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Siirt climate questions
How much rain does Siirt get?
Siirt gets 643 mm of precipitation in an average year, over about 87 rainy days.
What is the wettest month in Siirt?
March is the wettest month in Siirt, with 102 mm. July is the driest, with 1 mm.
How many rainy days does Siirt have a year?
Siirt has about 87 days with measurable rain in an average year. March has the most, about 13.
What is the hottest month in Siirt?
July is the warmest month in Siirt, with an average high of 38°C.
What is the coldest month in Siirt?
January is the coldest month in Siirt, with an average low of 1°C.
What is the record high temperature in Siirt?
Within the available 1973–2026 station history, the record high at the Siirt station is 44°C, set on July 28, 2011. The record low is -13°C, on January 25, 1973.
What is the sunniest month in Siirt?
August is the sunniest month in Siirt, with estimated sunshine of 95% of daylight hours from ERA5 cloud cover. March is the cloudiest.
When is the first frost in Siirt?
The first fall freeze in Siirt typically comes around December 8. The last spring freeze is around February 27.
What is the best time to visit Siirt?
The most comfortable time to visit is typically April to May and October, when daytime highs sit near 24°C.