Bellefontaine Rgnl climate by month
Averages and records for each calendar month at Bellefontaine Rgnl, United States, from 1894 to 2026. The warmest month is July, averaging 28.8°C; the coolest is January at 1.2°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 1.2°C | −7.7°C | 21.7°C21 January 1906 | −32.8°C19 January 1994 | 126 / 128 |
| February | 2.8°C | −6.9°C | 22.2°C26 February 2000 | −29.4°C9 February 1899 | 126 / 128 |
| March | 9.0°C | −1.8°C | 29.4°C24 March 1910 | −24.4°C9 March 1984 | 128 / 128 |
| April | 15.7°C | 3.6°C | 32.2°C28 April 1894 | −12.8°C7 April 1982 | 127 / 129 |
| May | 21.7°C | 9.6°C | 36.1°C28 May 1911 | −5.0°C10 May 1966 | 129 / 131 |
| June | 26.7°C | 14.8°C | 38.3°C26 June 1988 | 1.1°C2 June 1910 | 129 / 130 |
| July | 28.8°C | 16.8°C | 41.1°C22 July 1934 | 5.0°C9 July 1918 | 129 / 130 |
| August | 27.8°C | 16.0°C | 40.0°C6 August 1918 | 3.3°C29 August 1965 | 130 / 130 |
| September | 24.8°C | 12.4°C | 36.7°C4 September 1913 | −3.9°C28 September 1942 | 129 / 131 |
| October | 18.1°C | 6.1°C | 32.2°C3 October 2019 | −11.7°C29 October 1925 | 129 / 130 |
| November | 10.0°C | 0.1°C | 26.7°C1 November 1933 | −21.1°C30 November 1958 | 129 / 130 |
| December | 3.2°C | −5.2°C | 21.7°C7 December 1998 | −30.0°C22 December 1989 | 129 / 130 |
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 126 to 130 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.