Shimojishima Arpt climate by month
Averages and records for each calendar month at Shimojishima Arpt, Japan, from 1961 to 2000. The warmest month is July, averaging 31.4°C; the coolest is January at 20.0°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 20.0°C | 15.3°C | 27.0°C24 January 1972 | 6.9°C16 January 1967 | 40 / 40 |
| February | 20.3°C | 15.4°C | 26.9°C25 February 1970 | 7.3°C17 February 1977 | 40 / 40 |
| March | 22.3°C | 17.2°C | 28.6°C29 March 1998 | 8.6°C1 March 1963 | 40 / 40 |
| April | 25.2°C | 19.9°C | 30.7°C21 April 1964 | 11.4°C5 April 1969 | 40 / 40 |
| May | 27.5°C | 22.5°C | 33.3°C29 May 1963 | 15.2°C4 May 1965 | 40 / 40 |
| June | 29.7°C | 24.9°C | 35.1°C26 June 1971 | 17.4°C5 June 1964 | 40 / 40 |
| July | 31.4°C | 26.0°C | 35.3°C16 July 1971 | 21.4°C27 July 1968 | 40 / 40 |
| August | 30.9°C | 25.8°C | 34.2°C3 August 1998 | 21.9°C30 August 1975 | 40 / 40 |
| September | 29.9°C | 24.9°C | 34.2°C5 September 1963 | 19.7°C27 September 1997 | 40 / 40 |
| October | 27.6°C | 23.1°C | 31.6°C3 October 1983 | 17.3°C21 October 1965 | 40 / 40 |
| November | 24.7°C | 20.4°C | 30.9°C6 November 1972 | 12.9°C24 November 1975 | 40 / 40 |
| December | 21.7°C | 17.3°C | 27.7°C3 December 1993 | 9.6°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 40 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.