Maebashi climate by month
Averages and records for each calendar month at Maebashi, Japan, from 1951 to 2026. The warmest month is August, averaging 31.0°C; the coolest is January at 8.7°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 8.7°C | −1.5°C | 21.7°C27 January 1969 | −8.6°C25 January 1963 | 69 / 75 |
| February | 9.4°C | −1.0°C | 24.4°C11 February 1962 | −9.0°C27 February 1981 | 68 / 75 |
| March | 12.8°C | 1.8°C | 27.1°C30 March 1998 | −7.6°C1 March 1957 | 68 / 75 |
| April | 18.7°C | 7.6°C | 32.1°C27 April 1983 | −3.0°C2 April 1965 | 69 / 75 |
| May | 23.5°C | 12.3°C | 36.5°C13 May 1993 | 2.3°C3 May 1953 | 69 / 75 |
| June | 26.1°C | 16.9°C | 39.5°C25 June 2022 | 7.6°C1 June 1978 | 68 / 75 |
| July | 29.6°C | 21.0°C | 40.0°C24 July 2001 | 11.9°C3 July 1976 | 69 / 75 |
| August | 31.0°C | 22.1°C | 40.6°C5 August 2025 | 13.6°C20 August 1956 | 69 / 75 |
| September | 26.5°C | 18.1°C | 38.1°C3 September 1984 | 7.5°C28 September 1995 | 66 / 75 |
| October | 21.2°C | 11.6°C | 31.9°C1 October 2012 | 3.1°C19 October 1957 | 67 / 74 |
| November | 16.1°C | 5.9°C | 25.9°C5 November 1965 | −2.1°C27 November 1966 | 66 / 74 |
| December | 11.4°C | 1.1°C | 25.2°C5 December 2004 | −6.6°C31 December 1967 | 67 / 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 66 to 69 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.