Norfolk Muni climate by month
Averages and records for each calendar month at Norfolk Muni, United States, from 1997 to 2026. The warmest month is July, averaging 31.8°C; the coolest is January at 10.0°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 10.0°C | −1.5°C | 27.2°C30 January 2002 | −24.3°C7 January 2018 | 29 / 29 |
| February | 12.0°C | −0.2°C | 27.8°C12 February 2017 | −18.2°C20 February 2015 | 29 / 29 |
| March | 16.6°C | 3.3°C | 31.1°C11 March 2026 | −9.9°C4 March 2009 | 29 / 29 |
| April | 22.0°C | 8.2°C | 34.4°C17 April 2002 | −4.4°C6 April 2004 | 29 / 29 |
| May | 25.8°C | 13.4°C | 36.1°C31 May 2011 | 0.0°C10 May 2020 | 29 / 29 |
| June | 30.0°C | 18.1°C | 39.4°C29 June 2012 | 6.1°C9 June 2002 | 29 / 29 |
| July | 31.8°C | 20.7°C | 41.1°C24 July 2010 | 10.0°C3 July 2001 | 29 / 29 |
| August | 30.9°C | 19.8°C | 38.9°C8 August 2007 | 10.0°C26 August 2013 | 29 / 29 |
| September | 27.7°C | 16.3°C | 37.2°C4 September 2026 | 5.6°C24 September 1998 | 27 / 29 |
| October | 22.3°C | 9.6°C | 37.8°C3 October 2019 | −1.7°C29 October 2001 | 28 / 28 |
| November | 16.8°C | 3.6°C | 35.0°C10 November 2002 | −8.2°C19 November 2014 | 29 / 29 |
| December | 12.1°C | 0.4°C | 27.8°C6 December 1998 | −12.7°C24 December 2022 | 29 / 29 |
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 27 to 29 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.