ROCK RIVER, YT weather by month
Averages and records for each calendar month at ROCK RIVER, YT, Canada, from 1995 to 2026. The warmest month is July, averaging 17.0°C; the coolest is January at −16.1°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −16.1°C | −23.4°C | 10.7°C16 January 2009 | −38.9°C5 January 1997 | 23 / 30 |
| February | −14.8°C | −22.6°C | 4.6°C12 February 2006 | −37.2°C5 February 2021 | 19 / 31 |
| March | −12.4°C | −20.5°C | 8.0°C25 March 2024 | −40.0°C13 March 1995 | 22 / 29 |
| April | −3.8°C | −11.9°C | 13.8°C30 April 2009 | −28.9°C5 April 2000 | 28 / 28 |
| May | 6.7°C | −1.5°C | 24.0°C28 May 2010 | −20.6°C2 May 2002 | 27 / 29 |
| June | 15.4°C | 6.5°C | 28.8°C24 June 2004 | −9.0°C5 June 1996 | 25 / 29 |
| July | 17.0°C | 8.6°C | 27.5°C21 July 2003 | −2.0°C4 July 2002 | 29 / 30 |
| August | 13.1°C | 5.6°C | 29.0°C7 August 2024 | −4.7°C22 August 1996 | 29 / 29 |
| September | 6.3°C | 0.0°C | 22.5°C21 September 1995 | −13.6°C18 September 2004 | 26 / 31 |
| October | −3.9°C | −9.2°C | 19.3°C2 October 2003 | −31.0°C25 October 1996 | 28 / 30 |
| November | −11.6°C | −17.9°C | 5.4°C9 November 1997 | −34.0°C29 November 2021 | 25 / 30 |
| December | −14.8°C | −22.0°C | 6.7°C26 December 2001 | −38.9°C5 December 1995 | 26 / 30 |
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 19 to 29 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.