Yokota climate by month
Averages and records for each calendar month at Yokota, Japan, from 1949 to 2026. The warmest month is August, averaging 30.2°C; the coolest is January at 9.0°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 9.0°C | −2.1°C | 21.7°C5 January 1960 | −9.4°C28 January 1954 | 22 / 22 |
| February | 9.5°C | −1.5°C | 25.6°C11 February 1962 | −8.9°C13 February 1967 | 21 / 22 |
| March | 12.7°C | 1.9°C | 25.0°C10 March 1949 | −6.7°C1 March 1950 | 21 / 21 |
| April | 17.9°C | 7.5°C | 31.7°C13 April 1955 | −1.7°C5 April 1955 | 20 / 20 |
| May | 22.2°C | 12.2°C | 32.2°C31 May 1958 | 2.8°C3 May 1953 | 20 / 20 |
| June | 24.6°C | 16.7°C | 35.6°C26 June 1963 | 9.4°C1 June 1954 | 20 / 20 |
| July | 28.6°C | 21.0°C | 36.7°C30 July 1965 | 14.4°C12 July 1954 | 20 / 20 |
| August | 30.2°C | 22.2°C | 39.2°C5 August 2025 | 15.6°C27 August 1953 | 20 / 20 |
| September | 25.8°C | 18.3°C | 35.9°C3 September 2025 | 8.9°C29 September 1960 | 20 / 20 |
| October | 20.0°C | 12.1°C | 30.0°C15 October 1958 | 2.2°C31 October 1949 | 20 / 20 |
| November | 15.6°C | 6.1°C | 25.6°C5 November 1965 | −2.8°C22 November 1966 | 20 / 20 |
| December | 11.4°C | 0.6°C | 22.8°C13 December 1957 | −8.3°C30 December 1949 | 20 / 20 |
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 20 to 22 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.