Fairbanks/Eielson AFB climate by month
Averages and records for each calendar month at Fairbanks/Eielson AFB, United States, from 1949 to 2026. The warmest month is July, averaging 21.1°C; the coolest is December at −19.5°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −19.4°C | −29.1°C | 8.9°C21 January 1961 | −49.4°C1 January 1969 | 24 / 24 |
| February | −14.2°C | −26.1°C | 7.8°C23 February 1970 | −49.4°C4 February 1968 | 24 / 24 |
| March | −5.1°C | −20.5°C | 10.6°C29 March 1970 | −45.6°C1 March 1956 | 24 / 24 |
| April | 4.5°C | −7.2°C | 21.1°C30 April 1960 | −32.2°C3 April 1950 | 24 / 24 |
| May | 14.0°C | 2.3°C | 31.1°C24 May 1960 | −15.6°C9 May 1964 | 24 / 24 |
| June | 20.3°C | 8.6°C | 33.9°C15 June 1969 | −0.3°C9 June 2025 | 24 / 24 |
| July | 21.1°C | 10.2°C | 33.3°C25 July 1955 | 2.8°C13 July 1959 | 24 / 24 |
| August | 18.8°C | 7.7°C | 29.4°C19 August 1950 | −2.2°C23 August 1952 | 24 / 24 |
| September | 12.3°C | 1.6°C | 27.8°C5 September 1957 | −11.1°C28 September 1956 | 23 / 24 |
| October | 0.2°C | −8.7°C | 20.0°C13 October 1969 | −29.4°C22 October 1958 | 23 / 23 |
| November | −11.5°C | −20.4°C | 9.4°C1 November 1951 | −42.2°C24 November 1963 | 23 / 23 |
| December | −19.5°C | −28.4°C | 7.2°C29 December 1969 | −51.7°C28 December 1961 | 23 / 23 |
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 23 to 24 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.