Naha climate by month
Averages and records for each calendar month at Naha, Japan, from 1961 to 2026. The warmest month is July, averaging 31.5°C; the coolest is January at 19.1°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 19.1°C | 14.0°C | 27.0°C25 January 2020 | 6.1°C25 January 2016 | 60 / 66 |
| February | 19.5°C | 14.1°C | 26.7°C15 February 2020 | 7.0°C18 February 1978 | 59 / 66 |
| March | 21.4°C | 16.0°C | 28.2°C26 March 1999 | 7.8°C1 March 1963 | 59 / 66 |
| April | 24.1°C | 18.9°C | 29.9°C27 April 2022 | 10.4°C3 April 1974 | 60 / 66 |
| May | 26.8°C | 21.6°C | 31.6°C25 May 1963 | 10.2°C1 May 2026 | 60 / 66 |
| June | 29.3°C | 24.5°C | 34.1°C28 June 2001 | 16.7°C6 June 1978 | 60 / 66 |
| July | 31.5°C | 26.3°C | 35.1°C16 July 2017 | 21.0°C4 July 2009 | 60 / 66 |
| August | 31.2°C | 26.1°C | 35.6°C9 August 2001 | 20.7°C28 August 1965 | 60 / 66 |
| September | 30.3°C | 25.2°C | 34.6°C12 September 2009 | 18.5°C27 September 1972 | 57 / 66 |
| October | 27.7°C | 22.6°C | 33.6°C3 October 2025 | 16.4°C29 October 1980 | 58 / 65 |
| November | 24.5°C | 19.5°C | 30.8°C7 November 2008 | 12.9°C26 November 1995 | 58 / 65 |
| December | 21.1°C | 16.0°C | 29.4°C4 December 2018 | 9.4°C29 December 1967 | 58 / 65 |
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 57 to 60 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.