Fairbanks Intl climate by month
Averages and records for each calendar month at Fairbanks Intl, United States, from 1929 to 2026. The warmest month is July, averaging 22.3°C; the coolest is January at −18.1°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −18.1°C | −28.0°C | 11.1°C16 January 2009 | −54.4°C14 January 1934 | 97 / 97 |
| February | −12.8°C | −25.2°C | 10.0°C24 February 1943 | −50.0°C3 February 1947 | 97 / 97 |
| March | −4.6°C | −19.8°C | 13.3°C31 March 1994 | −45.0°C1 March 1956 | 97 / 97 |
| April | 5.9°C | −6.7°C | 24.4°C30 April 2009 | −35.6°C3 April 1944 | 97 / 97 |
| May | 15.6°C | 3.0°C | 32.2°C28 May 1947 | −18.3°C9 May 1964 | 97 / 97 |
| June | 21.6°C | 9.4°C | 35.6°C15 June 1969 | −1.7°C4 June 2006 | 97 / 97 |
| July | 22.3°C | 10.9°C | 34.4°C10 July 1975 | 1.1°C10 July 1934 | 97 / 97 |
| August | 18.8°C | 8.1°C | 33.9°C5 August 1994 | −5.0°C30 August 1947 | 97 / 97 |
| September | 12.5°C | 2.0°C | 28.9°C5 September 1957 | −16.1°C30 September 1992 | 96 / 97 |
| October | 0.8°C | −7.5°C | 22.2°C1 October 2003 | −33.3°C26 October 1935 | 96 / 96 |
| November | −11.3°C | −20.4°C | 12.2°C25 November 1936 | −43.3°C30 November 1990 | 96 / 96 |
| December | −16.9°C | −26.2°C | 14.4°C5 December 1934 | −52.2°C28 December 1961 | 97 / 97 |
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 96 to 97 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.