Newport News/Williamsburg Intl climate by month
Averages and records for each calendar month at Newport News/Williamsburg Intl, United States, from 2000 to 2026. The warmest month is July, averaging 31.7°C; the coolest is January at 9.7°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 9.7°C | −0.7°C | 26.7°C30 January 2002 | −17.1°C30 January 2014 | 26 / 26 |
| February | 11.4°C | 0.3°C | 27.2°C12 February 2017 | −14.9°C21 February 2015 | 26 / 26 |
| March | 15.9°C | 4.2°C | 30.6°C27 March 2007 | −9.4°C5 March 2002 | 26 / 26 |
| April | 21.5°C | 9.0°C | 33.9°C17 April 2002 | −3.2°C9 April 2007 | 26 / 26 |
| May | 25.3°C | 14.0°C | 35.6°C29 May 2012 | 1.1°C10 May 2020 | 25 / 26 |
| June | 29.7°C | 18.9°C | 38.9°C23 June 2015 | 6.7°C1 June 2025 | 26 / 26 |
| July | 31.7°C | 21.5°C | 41.1°C25 July 2010 | 10.0°C3 July 2001 | 26 / 26 |
| August | 30.7°C | 20.7°C | 38.3°C3 August 2006 | 9.4°C24 August 2024 | 26 / 26 |
| September | 27.5°C | 17.4°C | 37.2°C2 September 2014 | 7.2°C27 September 2001 | 25 / 26 |
| October | 22.3°C | 11.1°C | 36.1°C2 October 2019 | −1.1°C9 October 2001 | 25 / 25 |
| November | 16.8°C | 5.0°C | 34.4°C5 November 2003 | −7.1°C29 November 2023 | 25 / 25 |
| December | 12.1°C | 1.2°C | 27.2°C22 December 2013 | −12.1°C24 December 2022 | 26 / 26 |
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 25 to 26 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.