LEWISTON NEZ PERCE CO AIRPORT weather by month
Averages and records for each calendar month at LEWISTON NEZ PERCE CO AIRPORT, United States, from 1948 to 2026. The warmest month is July, averaging 32.2°C; the coolest is January at 4.5°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 4.5°C | −2.4°C | 18.9°C9 January 1953 | −30.0°C31 January 1950 | 79 / 79 |
| February | 7.9°C | −0.7°C | 22.2°C24 February 1986 | −26.1°C2 February 1950 | 79 / 79 |
| March | 12.3°C | 1.5°C | 26.7°C26 March 2025 | −16.7°C5 March 1955 | 79 / 79 |
| April | 16.8°C | 4.3°C | 36.1°C24 April 1977 | −6.7°C19 April 1966 | 79 / 79 |
| May | 21.8°C | 8.3°C | 37.8°C29 May 1983 | −5.0°C1 May 1954 | 79 / 79 |
| June | 26.3°C | 12.0°C | 46.1°C29 June 2021 | 1.1°C1 June 1951 | 79 / 79 |
| July | 32.2°C | 15.4°C | 43.9°C21 July 2024 | 5.0°C2 July 1955 | 79 / 79 |
| August | 31.5°C | 15.0°C | 46.1°C4 August 1961 | 5.0°C24 August 1992 | 79 / 79 |
| September | 25.8°C | 10.6°C | 39.4°C2 September 1950 | −2.2°C17 September 1965 | 78 / 79 |
| October | 17.3°C | 5.2°C | 31.7°C2 October 1975 | −9.4°C31 October 2002 | 78 / 78 |
| November | 9.0°C | 1.0°C | 25.0°C12 November 1999 | −19.4°C14 November 1955 | 78 / 78 |
| December | 4.9°C | −1.7°C | 18.9°C11 December 2014 | −30.0°C30 December 1968 | 78 / 78 |
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 78 to 79 years each.
See what LEWISTON NEZ PERCE CO AIRPORT is doing right now
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.