Siirt climate by month
Averages and records for each calendar month at Siirt, Türkiye, from 1963 to 2026. The warmest month is August, averaging 37.8°C; the coolest is January at 7.6°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 7.6°C | 0.7°C | 15.3°C1 January 2021 | −13.0°C25 January 1973 | 12 / 33 |
| February | 9.3°C | 2.4°C | 20.0°C26 February 1973 | −15.0°C2 February 1967 | 14 / 33 |
| March | 14.1°C | 5.3°C | 28.5°C24 March 2008 | −7.0°C5 March 2012 | 17 / 33 |
| April | 19.7°C | 10.3°C | 32.9°C23 April 2008 | −3.8°C5 April 2004 | 18 / 33 |
| May | 25.8°C | 14.7°C | 36.8°C21 May 2021 | 0.0°C4 May 1973 | 18 / 32 |
| June | 33.1°C | 20.6°C | 40.2°C14 June 2010 | 8.9°C5 June 1967 | 16 / 33 |
| July | 37.5°C | 24.7°C | 44.0°C28 July 2011 | 10.7°C6 July 2026 | 17 / 34 |
| August | 37.8°C | 24.7°C | 43.4°C12 August 2006 | 14.0°C29 August 1974 | 19 / 34 |
| September | 32.7°C | 20.0°C | 41.3°C3 September 2022 | 8.5°C29 September 2009 | 16 / 34 |
| October | 25.1°C | 14.1°C | 34.8°C1 October 2012 | 1.6°C30 October 2003 | 14 / 33 |
| November | 16.0°C | 7.5°C | 26.1°C8 November 2025 | −5.0°C28 November 1964 | 14 / 33 |
| December | 9.7°C | 2.3°C | 24.3°C5 December 2010 | −12.4°C27 December 2002 | 16 / 33 |
Years shows the number behind the average high, then the number holding a record for that month. They differ because a year contributes an average only when the month has at least 25 days of readings, while a single reading is enough to set a record. The average low is withheld on the same 25-day rule and is counted separately again; it is shown as a dash where the archive cannot support it. Across the twelve months here the averages rest on 12 to 19 years each.
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Every figure on this page is computed from NOAA GHCN-Daily observations stored per station, per year, per month. Nothing is modelled, interpolated or estimated, and a month the archive never covered is left out rather than filled in. A station appears here only once all twelve months carry an average from at least 10 years. See how this is built.