Midway Island Arpt climate by month
Averages and records for each calendar month at Midway Island Arpt, U.S. Outlying Islands, from 1949 to 2026. The warmest month is August, averaging 28.8°C; the coolest is February at 21.0°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 21.1°C | 16.7°C | 26.7°C4 January 1975 | 9.4°C10 January 1980 | 45 / 47 |
| February | 21.0°C | 16.5°C | 27.2°C14 February 1974 | 10.0°C14 February 1977 | 47 / 47 |
| March | 21.5°C | 17.1°C | 27.2°C20 March 1973 | 10.6°C26 March 1975 | 47 / 47 |
| April | 22.4°C | 18.0°C | 27.8°C28 April 1970 | 11.7°C10 April 1961 | 46 / 47 |
| May | 24.3°C | 19.9°C | 30.6°C23 May 1984 | 12.8°C2 May 1978 | 45 / 47 |
| June | 27.1°C | 22.6°C | 31.7°C16 June 1984 | 16.1°C5 June 1974 | 43 / 46 |
| July | 28.3°C | 23.7°C | 33.3°C21 July 1984 | 17.2°C17 July 1977 | 43 / 45 |
| August | 28.8°C | 24.2°C | 33.3°C6 August 1984 | 17.8°C22 August 1966 | 43 / 46 |
| September | 28.7°C | 24.0°C | 33.3°C7 September 1979 | 17.8°C21 September 1977 | 43 / 46 |
| October | 26.9°C | 22.4°C | 31.7°C3 October 1979 | 15.0°C24 October 1981 | 44 / 45 |
| November | 24.7°C | 20.5°C | 31.1°C1 November 1983 | 12.8°C26 November 1968 | 44 / 45 |
| December | 22.6°C | 18.2°C | 27.8°C7 December 1983 | 10.6°C27 December 1977 | 44 / 44 |
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 43 to 47 years each.
See what Midway Island Arpt 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.