Kōriyama weather by month
Measured at Tamakawa/Fukushima Arpt
Averages and records for each calendar month at Tamakawa/Fukushima Arpt, Japan, from 1951 to 2026. The warmest month is August, averaging 30.3°C; the coolest is January at 5.2°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 5.2°C | −2.6°C | 17.8°C22 January 1988 | −10.7°C10 January 1952 | 41 / 41 |
| February | 6.1°C | −2.4°C | 20.4°C21 February 1979 | −11.5°C15 February 1967 | 40 / 41 |
| March | 10.0°C | 0.3°C | 24.5°C27 March 1954 | −8.6°C6 March 1970 | 41 / 41 |
| April | 17.5°C | 5.8°C | 30.7°C17 April 1963 | −3.7°C3 April 1960 | 41 / 41 |
| May | 22.7°C | 11.0°C | 35.0°C20 May 1988 | −0.7°C3 May 1953 | 41 / 41 |
| June | 24.9°C | 15.7°C | 36.7°C7 June 1987 | 7.2°C3 June 1958 | 41 / 41 |
| July | 28.5°C | 19.9°C | 38.6°C30 July 1955 | 9.1°C1 July 1976 | 41 / 41 |
| August | 30.3°C | 21.4°C | 38.4°C2 August 1955 | 12.3°C20 August 1956 | 41 / 41 |
| September | 25.2°C | 16.8°C | 36.2°C5 September 1961 | 5.9°C29 September 1960 | 40 / 41 |
| October | 19.5°C | 9.9°C | 28.6°C2 October 1984 | −0.5°C31 October 1983 | 40 / 40 |
| November | 13.9°C | 4.0°C | 25.2°C1 November 1977 | −5.1°C29 November 1951 | 40 / 40 |
| December | 8.3°C | −0.1°C | 22.4°C2 December 1953 | −10.1°C31 December 1967 | 40 / 40 |
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 40 to 41 years each.
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Climate at nearby stations
The closest stations with twelve months of archive of their own, nearest first.
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.