Chichijima climate by month
Averages and records for each calendar month at Chichijima, Japan, from 1966 to 2026. The warmest month is July, averaging 30.0°C; the coolest is February at 20.1°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 20.4°C | 15.8°C | 26.1°C5 January 1988 | 6.0°C22 January 1976 | 40 / 51 |
| February | 20.1°C | 14.4°C | 27.0°C25 February 1974 | 4.0°C11 February 1977 | 28 / 51 |
| March | 21.4°C | 16.3°C | 26.7°C31 March 2013 | 9.0°C1 March 1981 | 39 / 50 |
| April | 23.3°C | 18.3°C | 28.2°C27 April 2022 | 11.0°C5 April 1978 | 35 / 50 |
| May | 25.5°C | 21.3°C | 30.3°C27 May 2025 | 14.6°C1 May 2006 | 40 / 51 |
| June | 28.1°C | 23.7°C | 33.0°C23 June 2011 | 17.7°C6 June 1993 | 40 / 51 |
| July | 30.0°C | 25.3°C | 34.1°C30 July 2006 | 20.8°C3 July 1983 | 39 / 50 |
| August | 30.0°C | 25.7°C | 33.7°C2 August 2015 | 22.4°C19 August 1982 | 40 / 50 |
| September | 29.9°C | 25.8°C | 33.0°C2 September 1980 | 20.0°C13 September 1975 | 38 / 50 |
| October | 28.4°C | 24.6°C | 32.3°C2 October 2025 | 17.0°C28 October 1976 | 41 / 50 |
| November | 25.6°C | 22.2°C | 30.2°C3 November 1998 | 14.0°C16 November 1981 | 35 / 50 |
| December | 22.3°C | 18.5°C | 29.2°C7 December 1987 | 10.0°C22 December 1976 | 37 / 50 |
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 28 to 41 years each.
See what Chichijima is doing right now
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.