Sinuiju climate by month
Averages and records for each calendar month at Sinuiju, North Korea, from 1957 to 2026. The warmest month is August, averaging 28.8°C; the coolest is January at −2.0°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −2.0°C | −10.0°C | 9.5°C28 January 2020 | −25.0°C22 January 1976 | 56 / 67 |
| February | 2.2°C | −6.6°C | 15.5°C19 February 1998 | −26.0°C15 February 1978 | 44 / 67 |
| March | 8.2°C | −1.2°C | 22.0°C26 March 2014 | −18.9°C7 March 1971 | 55 / 68 |
| April | 15.7°C | 6.4°C | 28.4°C20 April 1994 | −5.0°C3 April 1962 | 55 / 68 |
| May | 21.4°C | 11.7°C | 32.0°C28 May 2009 | −2.6°C15 May 1991 | 57 / 68 |
| June | 25.2°C | 17.6°C | 37.0°C28 June 1997 | 3.0°C1 June 1977 | 53 / 68 |
| July | 27.8°C | 21.5°C | 37.2°C30 July 2018 | 10.7°C14 July 1998 | 57 / 68 |
| August | 28.8°C | 21.9°C | 38.5°C1 August 2018 | 10.0°C6 August 1976 | 52 / 68 |
| September | 25.0°C | 16.1°C | 33.0°C3 September 1977 | 2.8°C29 September 1958 | 47 / 66 |
| October | 18.0°C | 7.9°C | 28.9°C10 October 1987 | −5.3°C27 October 1996 | 53 / 66 |
| November | 8.5°C | 0.1°C | 21.5°C1 November 2014 | −15.0°C27 November 1960 | 48 / 66 |
| December | 0.7°C | −7.8°C | 13.9°C2 December 1968 | −22.8°C29 December 1967 | 49 / 66 |
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 44 to 57 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.