Rijeka / Kozala climate by month
Averages and records for each calendar month at Rijeka / Kozala, Croatia, from 1948 to 2023. The warmest month is July, averaging 28.6°C; the coolest is January at 9.1°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 9.1°C | 3.0°C | 20.0°C20 January 1974 | −11.4°C9 January 1985 | 75 / 75 |
| February | 9.9°C | 3.4°C | 24.9°C24 February 2021 | −12.8°C10 February 1956 | 76 / 76 |
| March | 12.9°C | 5.7°C | 25.0°C29 March 2017 | −7.7°C5 March 1971 | 76 / 76 |
| April | 16.8°C | 9.1°C | 28.9°C28 April 2012 | −1.2°C7 April 2021 | 76 / 76 |
| May | 21.5°C | 13.1°C | 33.7°C25 May 2009 | 2.1°C12 May 1978 | 76 / 76 |
| June | 25.6°C | 16.8°C | 38.4°C28 June 2022 | 7.4°C8 June 1962 | 76 / 76 |
| July | 28.6°C | 19.0°C | 40.0°C19 July 2007 | 10.4°C16 July 1970 | 76 / 76 |
| August | 28.4°C | 19.0°C | 39.5°C5 August 2017 | 9.1°C28 August 1995 | 76 / 76 |
| September | 23.9°C | 15.5°C | 34.8°C4 September 1949 | 4.8°C29 September 1977 | 75 / 76 |
| October | 19.0°C | 11.4°C | 28.8°C1 October 1956 | −1.2°C30 October 2012 | 76 / 76 |
| November | 13.9°C | 7.5°C | 25.5°C2 November 2004 | −4.5°C15 November 1983 | 76 / 76 |
| December | 10.4°C | 4.3°C | 20.4°C4 December 1979 | −8.9°C28 December 1996 | 76 / 76 |
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 75 to 76 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.