Ashtabula/NE Ohio Rgnl climate by month
Averages and records for each calendar month at Ashtabula/NE Ohio Rgnl, United States, from 1998 to 2026. The warmest month is July, averaging 27.7°C; the coolest is January at 0.9°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 0.9°C | −6.9°C | 22.2°C13 January 2005 | −28.3°C30 January 2026 | 28 / 28 |
| February | 2.4°C | −6.7°C | 23.3°C24 February 2017 | −33.8°C20 February 2015 | 26 / 28 |
| March | 7.9°C | −2.3°C | 27.2°C22 March 2012 | −23.2°C4 March 2014 | 28 / 28 |
| April | 15.0°C | 3.2°C | 31.7°C16 April 2002 | −8.2°C10 April 2016 | 28 / 28 |
| May | 20.9°C | 8.6°C | 32.2°C31 May 2011 | −2.7°C10 May 2010 | 28 / 28 |
| June | 25.6°C | 13.7°C | 35.0°C28 June 2012 | 2.2°C4 June 2009 | 28 / 28 |
| July | 27.7°C | 16.0°C | 36.1°C22 July 2002 | 6.1°C6 July 2001 | 28 / 28 |
| August | 26.5°C | 15.1°C | 35.6°C1 August 2002 | 5.0°C21 August 2000 | 28 / 28 |
| September | 23.5°C | 11.7°C | 35.6°C8 September 2002 | −0.6°C22 September 1999 | 27 / 28 |
| October | 16.8°C | 6.5°C | 31.7°C1 October 2019 | −4.4°C29 October 2000 | 27 / 27 |
| November | 10.1°C | 1.5°C | 27.2°C4 November 2003 | −12.1°C19 November 2014 | 27 / 27 |
| December | 4.0°C | −2.8°C | 22.2°C5 December 2001 | −18.9°C27 December 2004 | 28 / 28 |
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 26 to 28 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.