Sisian weather by month
Averages and records for each calendar month at Sisian, Armenia, from 1959 to 2026. The warmest month is August, averaging 25.7°C; the coolest is January at 3.4°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 3.4°C | −9.2°C | 14.5°C13 January 2021 | −27.1°C23 January 2021 | 12 / 30 |
| February | 4.7°C | −8.0°C | 15.0°C16 February 2021 | −24.1°C18 February 2017 | 11 / 26 |
| March | 8.7°C | −3.2°C | 22.1°C29 March 2018 | −28.0°C3 March 1985 | 11 / 29 |
| April | 14.3°C | 1.5°C | 25.1°C21 April 2021 | −10.1°C4 April 2017 | 12 / 29 |
| May | 18.8°C | 6.1°C | 28.8°C21 May 2021 | −2.1°C9 May 1990 | 12 / 28 |
| June | 23.3°C | 9.9°C | 32.0°C26 June 1973 | 2.2°C11 June 1982 | 12 / 28 |
| July | 25.4°C | 12.6°C | 38.0°C16 July 1978 | 4.0°C5 July 1978 | 12 / 27 |
| August | 25.7°C | 11.3°C | 36.2°C16 August 2015 | 0.2°C20 August 1989 | 12 / 29 |
| September | 22.0°C | 7.8°C | 33.2°C4 September 2022 | −3.9°C30 September 2024 | 11 / 29 |
| October | 16.8°C | 1.5°C | 27.1°C4 October 2022 | −9.5°C28 October 2021 | 11 / 29 |
| November | 10.8°C | −4.5°C | 21.1°C1 November 2020 | −16.1°C22 November 1989 | 10 / 27 |
| December | 5.9°C | −6.3°C | 17.0°C3 December 2023 | −22.1°C26 December 2020 | 12 / 26 |
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 10 to 12 years each.
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Climate at nearby stations
The closest stations with twelve months of archive of their own, nearest first.
- Kamo
- Gyanja, Azerbaijan
- SEVAN LAKY
- Rasdan
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.