Climate Trends in Turkey
Climate trends for Turkey from 0 stations with long records. Also warmest years, streaks and temperature swings.
Data as of . Last revised (2026-10-13).
Key Facts
- Of 6 stations in Turkey with at least 50 complete years of record, 3 had 1966 as their warmest year.
Warmest Years
Turkey, 6 stations| Year | Stations with this as their warmest year |
|---|---|
| 1930 | 0 |
| 1931 | 0 |
| 1932 | 0 |
| 1933 | 0 |
| 1934 | 0 |
| 1935 | 0 |
| 1936 | 0 |
| 1937 | 0 |
| 1938 | 0 |
| 1939 | 0 |
| 1940 | 0 |
| 1941 | 0 |
| 1942 | 0 |
| 1943 | 0 |
| 1944 | 0 |
| 1945 | 0 |
| 1946 | 0 |
| 1947 | 0 |
| 1948 | 0 |
| 1949 | 0 |
| 1950 | 0 |
| 1951 | 0 |
| 1952 | 0 |
| 1953 | 0 |
| 1954 | 0 |
| 1955 | 0 |
| 1956 | 0 |
| 1957 | 0 |
| 1958 | 0 |
| 1959 | 0 |
| 1960 | 0 |
| 1961 | 0 |
| 1962 | 0 |
| 1963 | 0 |
| 1964 | 0 |
| 1965 | 0 |
| 1966 | 3 |
| 1967 | 0 |
| 1968 | 0 |
| 1969 | 0 |
| 1970 | 0 |
| 1971 | 0 |
| 1972 | 0 |
| 1973 | 0 |
| 1974 | 0 |
| 1975 | 0 |
| 1976 | 0 |
| 1977 | 0 |
| 1978 | 0 |
| 1979 | 0 |
| 1980 | 0 |
| 1981 | 0 |
| 1982 | 0 |
| 1983 | 0 |
| 1984 | 0 |
| 1985 | 0 |
| 1986 | 0 |
| 1987 | 0 |
| 1988 | 0 |
| 1989 | 0 |
| 1990 | 0 |
| 1991 | 0 |
| 1992 | 0 |
| 1993 | 0 |
| 1994 | 0 |
| 1995 | 0 |
| 1996 | 0 |
| 1997 | 0 |
| 1998 | 0 |
| 1999 | 0 |
| 2000 | 0 |
| 2001 | 2 |
| 2002 | 0 |
| 2003 | 0 |
| 2004 | 0 |
| 2005 | 0 |
| 2006 | 0 |
| 2007 | 0 |
| 2008 | 0 |
| 2009 | 0 |
| 2010 | 1 |
| 2011 | 0 |
| 2012 | 0 |
| 2013 | 0 |
| 2014 | 0 |
| 2015 | 0 |
| 2016 | 0 |
| 2017 | 0 |
| 2018 | 0 |
| 2019 | 0 |
| 2020 | 0 |
| 2021 | 0 |
| 2022 | 0 |
| 2023 | 0 |
| 2024 | 0 |
| 2025 | 0 |
Of the 6 stations in Turkey with at least 50 complete years of record, 3 (50.0%) had 1966 as their warmest year on record.
The years that were the warmest on record at the most stations are 1966 (3 stations), 2001 (2 stations) and 2010 (1 station).
3 of the 6 stations (50.0%) had their warmest year in the 1960s.
By decade
| Decade | Stations with their warmest year in it | Share of stations | Stations with one of their five warmest years in it |
|---|---|---|---|
| 1930s | 0 | 0.0% | 3 |
| 1940s | 0 | 0.0% | 0 |
| 1950s | 0 | 0.0% | 2 |
| 1960s | 3 | 50.0% | 5 |
| 1970s | 0 | 0.0% | 0 |
| 1980s | 0 | 0.0% | 0 |
| 1990s | 0 | 0.0% | 7 |
| 2000s | 2 | 33.3% | 9 |
| 2010s | 1 | 16.7% | 1 |
| 2020s (to date) | 0 | 0.0% | 3 |
The set is the 6 stations with at least 50 complete years (all twelve months with 20 or more days of maximum and minimum). A station's warmest year is the one with the highest annual mean temperature, a tie going to the later year. The count describes these stations, not the whole area.
Longest Hot, Cold, Wet and Dry Streaks: Turkey
7 lists of 10- In Turkey, the longest run of hot days in a row in the data is 67 days, at Sanliurfa (Turkey), from 30 June 2003 to 4 September 2003.
- In Turkey, the longest run of days in a row at or above 40 C in the data is 17 days, at Diyarbakir (Turkey), from 14 July 1968 to 30 July 1968.
- In Turkey, the longest run of frost days in a row in the data is 131 days, at Van (Turkey), from 29 November 1944 to 8 April 1945.
- In Turkey, the longest run of ice days in a row in the data is 30 days, at Erzurum (Turkey), from 14 January 1968 to 12 February 1968.
- In Turkey, the longest run of dry days in a row in the data is 169 days, at Sanliurfa (Turkey), in 2016.
- In Turkey, the longest run of wet days in a row in the data is 13 days, at Rize (Turkey), in 2016.
- In Turkey, the longest run of longest run of nights at or above 25 c in the data is 54 days, at Mersin (Turkey), from 7 July 2025 to 29 August 2025.
Longest run of days at or above 35 C
Consecutive days with a daily maximum at or above 35 C (95 F).
| Rank | Station | Country | Length | When |
|---|---|---|---|---|
| 1 | Sanliurfa | Turkey | 67 days | 30 June to 4 September 2003 |
| 2 | Siirt | Turkey | 61 days | 1 July to 30 August 2010 |
| 3 | Aydin | Turkey | 61 days | 12 June to 11 August 2012 |
| 4 | Diyarbakir | Turkey | 43 days | 21 July to 1 September 1967 |
| 5 | Elazig | Turkey | 43 days | 12 July to 23 August 2008 |
| 6 | Denizli | Turkey | 38 days | 26 July to 1 September 2021 |
| 7 | Oguzeli | Turkey | 28 days | 5 July to 1 August 2000 |
| 8 | Mugla | Turkey | 24 days | 13 July to 5 August 2023 |
| 9 | Incirlik | Turkey | 17 days | 5 to 21 August 1956 |
| 10 | Finike | Turkey | 17 days | 16 July to 1 August 2009 |
Longest run of days at or above 40 C
Consecutive days with a daily maximum at or above 40 C (104 F).
| Rank | Station | Country | Length | When |
|---|---|---|---|---|
| 1 | Diyarbakir | Turkey | 17 days | 14 to 30 July 1968 |
| 2 | Sanliurfa | Turkey | 15 days | 12 to 26 July 2012 |
| 3 | Denizli | Turkey | 13 days | 20 July to 1 August 2007 |
| 4 | Aydin | Turkey | 11 days | 27 July to 6 August 2021 |
| 5 | Mugla | Turkey | 10 days | 22 to 31 July 2007 |
| 6 | Siirt | Turkey | 8 days | 27 July to 3 August 2011 |
| 7 | Oguzeli | Turkey | 7 days | 19 to 25 July 1998 |
| 8 | Finike | Turkey | 6 days | 22 to 27 July 1987 |
| 9 | Elazig | Turkey | 6 days | 20 to 25 July 2008 |
| 10 | Incirlik | Turkey | 6 days | 9 to 14 August 2025 |
Longest run of frost days (minimum at or below 0 C)
Consecutive days with a daily minimum at or below 0 C (32 F).
| Rank | Station | Country | Length | When |
|---|---|---|---|---|
| 1 | Van | Turkey | 131 days | 29 November 1944 to 8 April 1945 |
| 2 | Hakkari | Turkey | 52 days | 7 December 2016 to 27 January 2017 |
| 3 | Sivas | Turkey | 40 days | 21 January to 1 March 1951 |
| 4 | Kastamonu | Turkey | 33 days | 6 February to 10 March 1930 |
| 5 | Isparta | Turkey | 31 days | 27 December 1991 to 26 January 1992 |
| 6 | Bolu | Turkey | 28 days | 2 to 29 January 2020 |
| 7 | Istanbul | Turkey | 22 days | 13 February to 6 March 1985 |
| 8 | Kirsehir | Turkey | 22 days | 27 January to 17 February 2025 |
| 9 | Corum | Turkey | 21 days | 26 January to 15 February 2025 |
| 10 | Elazig | Turkey | 17 days | 12 to 28 January 2008 |
Longest run of ice days (maximum at or below 0 C)
Consecutive days with a daily maximum at or below 0 C (32 F).
| Rank | Station | Country | Length | When |
|---|---|---|---|---|
| 1 | Erzurum | Turkey | 30 days | 14 January to 12 February 1968 |
| 2 | Van | Turkey | 29 days | 15 December 1971 to 12 January 1972 |
| 3 | Kars | Turkey | 22 days | 11 February to 4 March 2003 |
| 4 | Erzincan | Turkey | 19 days | 7 to 25 January 2008 |
| 5 | Sivas | Turkey | 15 days | 16 to 30 January 1937 |
| 6 | Elazig | Turkey | 14 days | 22 February to 7 March 1985 |
| 7 | Afyon | Turkey | 13 days | 5 to 17 January 2002 |
| 8 | Corum | Turkey | 12 days | 22 December 1992 to 2 January 1993 |
| 9 | Kastamonu | Turkey | 11 days | 8 to 18 February 1993 |
| 10 | Kirsehir | Turkey | 11 days | 6 to 16 January 2002 |
Longest dry spell (days under 1 mm of rain), within one year
Consecutive days with less than 1 mm (0.04 in) of rain, the longest run within a year. The dates are not kept, so the list gives the year (within the year).
| Rank | Station | Country | Length | When |
|---|---|---|---|---|
| 1 | Sanliurfa | Turkey | 169 days | within 2016 |
| 2 | Batman | Turkey | 151 days | within 2020 |
| 3 | Izmir/Guzelyali | Turkey | 146 days | within 1954 |
| 4 | Antalya | Turkey | 136 days | within 2007 |
| 5 | Finike | Turkey | 133 days | within 2010 |
| 6 | Incirlik | Turkey | 129 days | within 1962 |
| 7 | Diyarbakir | Turkey | 103 days | within 2011 |
| 8 | Aydin | Turkey | 102 days | within 2011 |
| 9 | Mersin | Turkey | 99 days | within 2015 |
| 10 | Denizli | Turkey | 96 days | within 2011 |
Longest wet spell (days with 1 mm or more of rain), within one year
Consecutive days with 1 mm (0.04 in) or more of rain, the longest run within a year. The dates are not kept, so the list gives the year (within the year).
| Rank | Station | Country | Length | When |
|---|---|---|---|---|
| 1 | Rize | Turkey | 13 days | within 2016 |
| 2 | Afyon | Turkey | 13 days | within 2023 |
| 3 | Batman | Turkey | 13 days | within 2023 |
| 4 | Zonguldak | Turkey | 11 days | within 2008 |
| 5 | Oguzeli | Turkey | 11 days | within 2009 |
| 6 | Sanliurfa | Turkey | 11 days | within 2009 |
| 7 | Giresun | Turkey | 11 days | within 2010 |
| 8 | Iskenderun | Turkey | 11 days | within 2012 |
| 9 | Izmir/Guzelyali | Turkey | 10 days | within 1953 |
| 10 | Sinop | Turkey | 10 days | within 1958 |
Longest run of nights at or above 25 C
| Rank | Station | Country | Length | When |
|---|---|---|---|---|
| 1 | Mersin | Turkey | 54 days | 7 July to 29 August 2025 |
| 2 | Iskenderun | Turkey | 37 days | 11 July to 16 August 2001 |
| 3 | Sanliurfa | Turkey | 36 days | 7 July to 11 August 2024 |
| 4 | Siirt | Turkey | 33 days | 28 July to 29 August 2025 |
| 5 | Incirlik | Turkey | 25 days | 18 July to 11 August 2025 |
| 6 | Finike | Turkey | 24 days | 23 July to 15 August 2021 |
| 7 | Izmir/Guzelyali | Turkey | 8 days | 7 to 14 August 2025 |
| 8 | Rize | Turkey | 6 days | 25 to 30 July 2001 |
| 9 | Denizli | Turkey | 5 days | 24 to 28 July 2007 |
| 10 | Aydin | Turkey | 3 days | 30 July to 1 August 2001 |
A run belongs to the year it started in, even when it ran on into the next year. A station appears once per list, with its longest run in a complete year. Dry and wet spells are the longest run within a year. Lists use complete years only, so a long run in a year with gaps in the record is not counted.
Biggest One Day Temperature Swings: Turkey
6 lists of 10- In Turkey, the largest reported one day rise in the daily maximum is 25.8 C (46.4 F), at Sivas (Turkey) on 10 January 1935.
- In Turkey, the largest reported one day drop in the daily maximum is 26.2 C (47.2 F), at Sivas (Turkey) on 4 February 1947.
- In Turkey, the largest reported one day rise in the daily minimum is 18.8 C (33.8 F), at Bolu (Turkey) on 4 January 2026.
- In Turkey, the largest reported one day drop in the daily minimum is 21.0 C (37.8 F), at Sivas (Turkey) on 21 November 1948.
- In Turkey, the largest reported range between the high and the low of one day is 29.4 C (52.9 F), at Corum (Turkey) on 29 September 1991.
- In Turkey, the smallest reported range between the high and the low of one day is 0.0 C (0.0 F), at Isparta (Turkey) on 13 January 1990.
Caveat.Single readings can still be instrument errors that quality control missed. A station with one faulty value can top a list, so read each entry as a reported value, not as a confirmed event.
Biggest one day rise in the daily maximum
The largest increase in the daily maximum temperature from one day to the next. Values are in degrees Celsius with Fahrenheit beside them.
| Rank | Station | Country | Value | Date |
|---|---|---|---|---|
| 1 | Sivas | Turkey | 25.8 C (46.4 F) | 10 January 1935 |
| 2 | Rize | Turkey | 21.5 C (38.7 F) | 21 May 1980 |
| 3 | Kastamonu | Turkey | 21.4 C (38.5 F) | 10 January 1935 |
| 4 | Usak | Turkey | 17.0 C (30.6 F) | 1 February 1973 |
| 5 | Afyon | Turkey | 16.7 C (30.1 F) | 3 April 1995 |
| 6 | Isparta | Turkey | 15.4 C (27.7 F) | 9 December 1941 |
| 7 | Bolu | Turkey | 15.0 C (27.0 F) | 10 February 1974 |
| 8 | Edirne | Turkey | 14.9 C (26.8 F) | 6 January 2010 |
| 9 | Corum | Turkey | 14.0 C (25.2 F) | 13 December 1973 |
| 10 | Tekirdag | Turkey | 14.0 C (25.2 F) | 9 March 1974 |
Biggest one day drop in the daily maximum
The largest decrease in the daily maximum temperature from one day to the next. Values are in degrees Celsius with Fahrenheit beside them.
| Rank | Station | Country | Value | Date |
|---|---|---|---|---|
| 1 | Sivas | Turkey | 26.2 C (47.2 F) | 4 February 1947 |
| 2 | Afyon | Turkey | 21.5 C (38.7 F) | 4 October 1991 |
| 3 | Edirne | Turkey | 21.0 C (37.8 F) | 3 January 1979 |
| 4 | Rize | Turkey | 20.5 C (36.9 F) | 18 April 1957 |
| 5 | Istanbul | Turkey | 19.0 C (34.2 F) | 4 April 1952 |
| 6 | Kastamonu | Turkey | 18.3 C (32.9 F) | 3 January 1937 |
| 7 | Corum | Turkey | 17.7 C (31.9 F) | 26 September 2018 |
| 8 | Bolu | Turkey | 17.0 C (30.6 F) | 4 February 1973 |
| 9 | Tekirdag | Turkey | 16.1 C (29.0 F) | 12 March 1968 |
| 10 | Elazig | Turkey | 16.0 C (28.8 F) | 2 November 1973 |
Biggest one day rise in the daily minimum
The largest increase in the daily minimum temperature from one day to the next. Values are in degrees Celsius with Fahrenheit beside them.
| Rank | Station | Country | Value | Date |
|---|---|---|---|---|
| 1 | Bolu | Turkey | 18.8 C (33.8 F) | 4 January 2026 |
| 2 | Edirne | Turkey | 18.6 C (33.5 F) | 12 January 1987 |
| 3 | Afyon | Turkey | 18.2 C (32.8 F) | 11 January 1982 |
| 4 | Iskenderun | Turkey | 16.0 C (28.8 F) | 14 March 1973 |
| 5 | Usak | Turkey | 15.7 C (28.3 F) | 18 February 1991 |
| 6 | Istanbul | Turkey | 15.0 C (27.0 F) | 16 January 1941 |
| 7 | Van | Turkey | 15.0 C (27.0 F) | 26 February 1948 |
| 8 | Corum | Turkey | 14.4 C (25.9 F) | 18 February 2006 |
| 9 | Isparta | Turkey | 13.5 C (24.3 F) | 3 January 2007 |
| 10 | Tekirdag | Turkey | 13.3 C (23.9 F) | 16 January 1968 |
Biggest one day drop in the daily minimum
The largest decrease in the daily minimum temperature from one day to the next. Values are in degrees Celsius with Fahrenheit beside them.
| Rank | Station | Country | Value | Date |
|---|---|---|---|---|
| 1 | Sivas | Turkey | 21.0 C (37.8 F) | 21 November 1948 |
| 2 | Isparta | Turkey | 19.2 C (34.6 F) | 14 January 1990 |
| 3 | Tekirdag | Turkey | 16.2 C (29.2 F) | 13 February 1985 |
| 4 | Afyon | Turkey | 15.6 C (28.1 F) | 6 January 1993 |
| 5 | Istanbul | Turkey | 14.6 C (26.3 F) | 13 February 1985 |
| 6 | Van | Turkey | 14.2 C (25.6 F) | 5 January 1962 |
| 7 | Edirne | Turkey | 14.0 C (25.2 F) | 19 June 1985 |
| 8 | Rize | Turkey | 13.0 C (23.4 F) | 6 April 1929 |
| 9 | Bolu | Turkey | 12.9 C (23.2 F) | 13 January 2021 |
| 10 | Kastamonu | Turkey | 12.5 C (22.5 F) | 15 March 1930 |
Widest range between the high and the low of one day
The largest difference between the highest and the lowest temperature of the same day. Values are in degrees Celsius with Fahrenheit beside them.
| Rank | Station | Country | Value | Date |
|---|---|---|---|---|
| 1 | Corum | Turkey | 29.4 C (52.9 F) | 29 September 1991 |
| 2 | Rize | Turkey | 28.2 C (50.8 F) | 21 April 1928 |
| 3 | Afyon | Turkey | 28.1 C (50.6 F) | 2 January 2007 |
| 4 | Elazig | Turkey | 27.5 C (49.5 F) | 14 May 2021 |
| 5 | Sivas | Turkey | 27.3 C (49.1 F) | 17 June 1941 |
| 6 | Bolu | Turkey | 27.1 C (48.8 F) | 7 July 1994 |
| 7 | Kastamonu | Turkey | 27.0 C (48.6 F) | 4 June 2008 |
| 8 | Usak | Turkey | 26.9 C (48.4 F) | 5 March 2021 |
| 9 | Oguzeli | Turkey | 26.1 C (47.0 F) | 10 September 2017 |
| 10 | Isparta | Turkey | 25.8 C (46.4 F) | 18 September 1986 |
Narrowest range between the high and the low of one day
The smallest difference between the highest and the lowest temperature of the same day. Values are in degrees Celsius with Fahrenheit beside them.
| Rank | Station | Country | Value | Date |
|---|---|---|---|---|
| 1 | Isparta | Turkey | 0.0 C (0.0 F) | 13 January 1990 |
| 2 | Rize | Turkey | 0.1 C (0.2 F) | 4 December 1927 |
| 3 | Edirne | Turkey | 0.3 C (0.5 F) | 2 February 2026 |
| 4 | Sivas | Turkey | 0.4 C (0.7 F) | 20 November 1948 |
| 5 | Kastamonu | Turkey | 0.5 C (0.9 F) | 30 December 1945 |
| 6 | Sanliurfa | Turkey | 0.6 C (1.1 F) | 29 January 1966 |
| 7 | Istanbul | Turkey | 0.7 C (1.3 F) | 12 December 1964 |
| 8 | Van | Turkey | 0.9 C (1.6 F) | 25 April 1968 |
| 9 | Corum | Turkey | 0.9 C (1.6 F) | 11 October 1988 |
| 10 | Tekirdag | Turkey | 0.9 C (1.6 F) | 4 January 2011 |
Only stations with at least 10 complete years are listed, and a station appears once per list.
Download the Data
Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-13. Trends and counts are computed by this site from daily station records. The long-record station set is described under each chart.