Kwajalein/Bucholz AA climate by month
Averages and records for each calendar month at Kwajalein/Bucholz AA, Marshall Islands, from 1952 to 2026. The warmest month is September, averaging 30.7°C; the coolest is January at 29.8°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 29.8°C | 25.5°C | 32.8°C15 January 1953 | 20.0°C4 January 1979 | 74 / 74 |
| February | 30.0°C | 25.5°C | 33.3°C25 February 1954 | 21.7°C19 February 1963 | 73 / 74 |
| March | 30.3°C | 25.6°C | 32.8°C10 March 1953 | 19.4°C1 March 2022 | 74 / 74 |
| April | 30.3°C | 25.7°C | 33.3°C28 April 1952 | 21.7°C14 April 1964 | 74 / 75 |
| May | 30.4°C | 25.7°C | 33.9°C1 May 1952 | 21.7°C1 May 1968 | 75 / 75 |
| June | 30.4°C | 25.7°C | 33.3°C12 June 1958 | 21.7°C22 June 1964 | 75 / 75 |
| July | 30.5°C | 25.5°C | 34.4°C3 July 1953 | 21.1°C7 July 1954 | 75 / 75 |
| August | 30.6°C | 25.6°C | 35.0°C28 August 1958 | 21.7°C24 August 1956 | 74 / 75 |
| September | 30.7°C | 25.6°C | 33.9°C18 September 1958 | 20.0°C28 September 1984 | 74 / 75 |
| October | 30.6°C | 25.6°C | 36.1°C29 October 1958 | 21.7°C6 October 1967 | 73 / 74 |
| November | 30.3°C | 25.5°C | 33.3°C12 November 1952 | 21.1°C24 November 1975 | 74 / 74 |
| December | 30.0°C | 25.7°C | 32.8°C10 December 1952 | 20.6°C19 December 1963 | 73 / 74 |
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 73 to 75 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.