Cluj-Napoca Intl climate by month
Averages and records for each calendar month at Cluj-Napoca Intl, Romania, from 1921 to 2026. The warmest month is July, averaging 26.2°C; the coolest is January at 0.3°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 0.3°C | −6.6°C | 15.4°C29 January 2025 | −34.2°C23 January 1963 | 96 / 97 |
| February | 3.3°C | −4.9°C | 19.6°C28 February 2017 | −32.0°C11 February 1929 | 96 / 97 |
| March | 9.9°C | −0.9°C | 26.7°C31 March 2024 | −21.0°C5 March 1955 | 98 / 98 |
| April | 15.8°C | 3.8°C | 31.2°C30 April 1922 | −9.0°C30 April 1931 | 96 / 98 |
| May | 21.1°C | 8.4°C | 32.5°C28 May 1924 | −8.0°C31 May 1931 | 99 / 100 |
| June | 24.2°C | 11.9°C | 36.9°C30 June 2026 | 0.3°C18 June 1960 | 97 / 100 |
| July | 26.2°C | 13.4°C | 38.0°C24 July 2007 | 5.2°C1 July 1980 | 97 / 98 |
| August | 25.9°C | 12.9°C | 38.5°C25 August 2012 | 1.2°C31 August 1955 | 96 / 99 |
| September | 21.5°C | 9.0°C | 34.4°C7 September 2008 | −2.8°C29 September 1977 | 96 / 97 |
| October | 15.7°C | 4.2°C | 32.5°C2 October 1952 | −8.8°C30 October 1997 | 97 / 98 |
| November | 8.2°C | 0.4°C | 26.0°C1 November 1926 | −20.3°C29 November 1948 | 97 / 98 |
| December | 2.1°C | −4.0°C | 18.7°C11 December 1982 | −27.8°C22 December 1927 | 97 / 99 |
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 96 to 99 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.