Rayong/U-Tapao Intl climate by month
Averages and records for each calendar month at Rayong/U-Tapao Intl, Thailand, from 1951 to 2025. The warmest month is April, averaging 34.1°C; the coolest is October at 32.2°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 32.5°C | 21.6°C | 39.0°C13 January 1952 | 10.4°C15 January 1992 | 67 / 75 |
| February | 32.7°C | 23.8°C | 39.2°C13 February 1952 | 13.6°C8 February 2016 | 66 / 75 |
| March | 33.2°C | 25.4°C | 39.5°C9 March 1952 | 16.5°C4 March 1986 | 64 / 75 |
| April | 34.1°C | 26.4°C | 40.5°C10 April 1952 | 18.6°C3 April 2022 | 61 / 75 |
| May | 33.6°C | 26.1°C | 40.5°C2 May 1952 | 18.1°C18 May 2000 | 66 / 75 |
| June | 33.0°C | 26.3°C | 37.5°C15 June 2003 | 20.5°C18 June 2006 | 64 / 75 |
| July | 32.7°C | 25.7°C | 37.8°C22 July 1952 | 19.0°C24 July 1959 | 64 / 75 |
| August | 32.6°C | 25.6°C | 37.2°C8 August 1952 | 19.8°C14 August 2003 | 64 / 75 |
| September | 32.3°C | 25.0°C | 37.4°C2 September 1960 | 19.0°C13 September 1959 | 63 / 74 |
| October | 32.2°C | 23.9°C | 36.2°C29 October 1953 | 18.0°C25 October 1994 | 65 / 74 |
| November | 32.5°C | 22.6°C | 42.4°C27 November 1986 | 15.0°C17 November 1971 | 60 / 74 |
| December | 32.4°C | 21.2°C | 38.3°C30 December 1951 | 11.2°C25 December 1999 | 64 / 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 60 to 67 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.