Sulina climate by month
Averages and records for each calendar month at Sulina, Romania, from 1952 to 2026. The warmest month is July, averaging 25.5°C; the coolest is January at 3.0°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 3.0°C | −1.5°C | 17.2°C29 January 1960 | −19.9°C23 January 2006 | 46 / 72 |
| February | 3.5°C | −0.5°C | 18.9°C19 February 1955 | −17.8°C21 February 1985 | 46 / 73 |
| March | 6.6°C | 2.9°C | 26.1°C30 March 1952 | −12.4°C5 March 1987 | 47 / 74 |
| April | 12.2°C | 8.3°C | 25.8°C16 April 2024 | −0.7°C3 April 1965 | 48 / 74 |
| May | 18.4°C | 14.1°C | 29.3°C28 May 1993 | 4.4°C3 May 1990 | 48 / 74 |
| June | 23.2°C | 18.4°C | 33.8°C15 June 2010 | 9.3°C19 June 1985 | 50 / 74 |
| July | 25.5°C | 20.3°C | 35.7°C18 July 2024 | 11.0°C10 July 1998 | 48 / 74 |
| August | 25.1°C | 20.2°C | 38.9°C16 August 1952 | 10.5°C26 August 1971 | 48 / 75 |
| September | 21.0°C | 16.2°C | 32.2°C3 September 1952 | 2.2°C30 September 1959 | 47 / 75 |
| October | 15.8°C | 11.1°C | 26.5°C1 October 2022 | −1.1°C15 October 1959 | 48 / 73 |
| November | 10.3°C | 5.9°C | 21.1°C17 November 1967 | −10.2°C26 November 1999 | 48 / 73 |
| December | 5.3°C | 1.0°C | 16.6°C5 December 2008 | −13.5°C26 December 2002 | 47 / 74 |
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 46 to 50 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.