HECTOR INTERNATIONAL AIRPORT weather by month
Averages and records for each calendar month at HECTOR INTERNATIONAL AIRPORT, United States, from 1891 to 2026. The warmest month is July, averaging 28.2°C; the coolest is January at −8.5°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −8.5°C | −18.7°C | 12.8°C5 January 2012 | −37.8°C29 January 1951 | 85 / 86 |
| February | −5.7°C | −16.1°C | 18.9°C25 February 1958 | −39.4°C1 February 1996 | 86 / 86 |
| March | 1.8°C | −8.3°C | 25.6°C27 March 1946 | −36.7°C10 March 1948 | 86 / 86 |
| April | 11.9°C | 0.0°C | 37.8°C21 April 1980 | −21.7°C1 April 1975 | 86 / 86 |
| May | 20.2°C | 6.7°C | 36.7°C21 May 1964 | −8.3°C12 May 1946 | 85 / 87 |
| June | 25.2°C | 12.6°C | 38.9°C4 June 2021 | −1.1°C20 June 1969 | 86 / 87 |
| July | 28.2°C | 15.2°C | 41.1°C5 July 1988 | 1.6°C17 July 1891 | 85 / 87 |
| August | 27.3°C | 13.9°C | 41.1°C18 August 1976 | −0.6°C23 August 1891 | 86 / 87 |
| September | 21.6°C | 8.5°C | 38.9°C8 September 1959 | −7.2°C26 September 1965 | 85 / 87 |
| October | 14.0°C | 1.9°C | 36.1°C11 October 2015 | −15.0°C31 October 1951 | 86 / 86 |
| November | 2.9°C | −6.6°C | 23.3°C1 November 1990 | −33.3°C28 November 1891 | 86 / 86 |
| December | −5.4°C | −14.7°C | 16.7°C7 December 2023 | −35.6°C31 December 1967 | 86 / 86 |
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 85 to 86 years each.
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Climate at nearby stations
The closest stations with twelve months of archive of their own, nearest first.
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.