Hammond/Northshore Rgnl climate by month
Averages and records for each calendar month at Hammond/Northshore Rgnl, United States, from 1981 to 2014. The warmest month is August, averaging 33.4°C; the coolest is January at 16.3°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 16.3°C | 3.4°C | 27.8°C24 January 2002 | −13.9°C12 January 1982 | 33 / 33 |
| February | 18.3°C | 5.4°C | 28.3°C15 February 1989 | −10.6°C5 February 1996 | 32 / 32 |
| March | 21.8°C | 8.5°C | 31.1°C24 March 1984 | −6.7°C24 March 1998 | 32 / 33 |
| April | 25.5°C | 12.4°C | 33.9°C22 April 1987 | −1.7°C5 April 1987 | 32 / 32 |
| May | 29.3°C | 17.0°C | 35.6°C29 May 2000 | 3.3°C4 May 2013 | 33 / 33 |
| June | 32.3°C | 20.7°C | 38.3°C5 June 2011 | 8.3°C1 June 1984 | 31 / 31 |
| July | 33.2°C | 21.9°C | 40.6°C22 July 2000 | 16.7°C14 July 1990 | 33 / 33 |
| August | 33.4°C | 21.8°C | 40.0°C31 August 2000 | 13.3°C15 August 2004 | 32 / 32 |
| September | 31.1°C | 19.1°C | 38.9°C3 September 2000 | 5.6°C22 September 1983 | 33 / 34 |
| October | 26.8°C | 12.8°C | 35.0°C6 October 1986 | −1.1°C20 October 1989 | 34 / 34 |
| November | 21.8°C | 7.8°C | 30.6°C1 November 1984 | −5.6°C19 November 2014 | 34 / 34 |
| December | 17.5°C | 4.6°C | 28.9°C6 December 1995 | −13.9°C23 December 1989 | 31 / 33 |
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 31 to 34 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.