Yeovilton Arpt) climate by month
Averages and records for each calendar month at Yeovilton Arpt), United Kingdom, from 1964 to 2026. The warmest month is July, averaging 21.9°C; the coolest is January at 8.4°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 8.4°C | 1.4°C | 16.1°C8 January 2015 | −16.1°C14 January 1982 | 61 / 61 |
| February | 8.8°C | 1.6°C | 17.7°C26 February 2019 | −13.5°C10 February 1991 | 61 / 61 |
| March | 11.1°C | 2.7°C | 21.3°C29 March 1965 | −10.0°C3 March 1965 | 61 / 61 |
| April | 13.7°C | 4.0°C | 27.1°C30 April 2025 | −6.4°C10 April 1970 | 61 / 61 |
| May | 17.0°C | 7.1°C | 32.9°C25 May 2026 | −4.1°C3 May 1967 | 61 / 61 |
| June | 19.9°C | 10.1°C | 37.3°C24 June 2026 | 0.0°C4 June 1991 | 60 / 61 |
| July | 21.9°C | 12.0°C | 35.0°C19 July 2006 | 4.4°C7 July 1978 | 61 / 61 |
| August | 21.5°C | 11.9°C | 35.5°C12 August 2026 | 2.9°C30 August 2010 | 61 / 62 |
| September | 18.9°C | 9.8°C | 29.9°C5 September 2023 | −1.8°C30 September 1969 | 61 / 61 |
| October | 15.2°C | 7.3°C | 25.6°C1 October 2011 | −4.8°C25 October 2003 | 61 / 61 |
| November | 11.2°C | 3.8°C | 18.5°C3 November 2010 | −8.0°C29 November 1978 | 61 / 61 |
| December | 9.1°C | 2.1°C | 16.0°C9 December 1978 | −14.2°C20 December 2010 | 60 / 62 |
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 61 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.