Oakland Intl climate by month
Averages and records for each calendar month at Oakland Intl, United States, from 1948 to 2026. The warmest month is September, averaging 23.4°C; the coolest is January at 13.7°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 13.7°C | 5.6°C | 28.3°C18 January 2021 | −3.9°C5 January 1949 | 63 / 63 |
| February | 15.4°C | 7.1°C | 28.9°C23 February 2021 | −2.2°C13 February 1949 | 63 / 63 |
| March | 16.8°C | 8.1°C | 30.0°C10 March 2004 | 0.0°C3 March 1953 | 63 / 63 |
| April | 18.1°C | 9.3°C | 32.8°C20 April 2009 | 1.7°C27 April 1955 | 63 / 63 |
| May | 19.6°C | 11.0°C | 36.7°C29 May 1975 | 3.9°C4 May 1950 | 63 / 63 |
| June | 21.3°C | 12.5°C | 37.8°C14 June 2000 | 6.1°C7 June 1950 | 63 / 63 |
| July | 21.8°C | 13.5°C | 37.2°C10 July 1959 | 8.9°C1 July 1955 | 64 / 64 |
| August | 22.3°C | 13.9°C | 37.2°C24 August 2010 | 8.9°C30 August 1952 | 63 / 63 |
| September | 23.4°C | 13.6°C | 40.0°C6 September 2020 | 5.0°C30 September 1950 | 62 / 63 |
| October | 21.5°C | 11.4°C | 37.8°C6 October 2024 | 2.2°C20 October 1949 | 62 / 62 |
| November | 17.4°C | 8.2°C | 29.4°C15 November 2008 | −0.6°C30 November 2004 | 62 / 62 |
| December | 13.8°C | 6.0°C | 26.1°C7 December 2020 | −3.3°C9 December 1972 | 62 / 62 |
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 62 to 64 years each.
See what Oakland Intl is doing right now
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.