Nemuro climate by month
Averages and records for each calendar month at Nemuro, Japan, from 1931 to 2026. The warmest month is August, averaging 21.0°C; the coolest is February at −2.0°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −1.5°C | −7.9°C | 9.4°C13 January 1964 | −19.4°C9 January 1953 | 87 / 95 |
| February | −2.0°C | −8.7°C | 9.5°C16 February 1989 | −22.9°C18 February 1931 | 78 / 95 |
| March | 1.3°C | −5.0°C | 13.1°C27 March 1978 | −19.0°C5 March 1986 | 85 / 95 |
| April | 7.0°C | 0.0°C | 22.7°C30 April 2009 | −9.9°C6 April 1944 | 86 / 95 |
| May | 11.6°C | 3.9°C | 34.0°C26 May 2019 | −3.3°C3 May 1931 | 86 / 95 |
| June | 14.3°C | 7.4°C | 32.1°C26 June 2010 | 0.6°C12 June 1966 | 85 / 95 |
| July | 18.3°C | 11.6°C | 33.4°C24 July 2025 | 3.6°C14 July 1988 | 86 / 95 |
| August | 21.0°C | 14.6°C | 33.6°C5 August 2015 | 7.1°C16 August 1957 | 88 / 95 |
| September | 18.9°C | 12.8°C | 34.1°C3 September 2026 | 3.2°C30 September 1940 | 86 / 95 |
| October | 14.3°C | 7.6°C | 24.2°C1 October 1994 | −2.0°C26 October 1950 | 84 / 94 |
| November | 8.1°C | 1.4°C | 19.2°C2 November 1940 | −8.3°C24 November 2016 | 80 / 94 |
| December | 1.9°C | −4.2°C | 13.2°C4 December 1989 | −15.1°C30 December 1952 | 81 / 94 |
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 78 to 88 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.