Blackstone/Perkinson weather by month
Averages and records for each calendar month at Blackstone/Perkinson, United States, from 1945 to 2026. The warmest month is July, averaging 30.6°C; the coolest is January at 8.8°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 8.8°C | −1.9°C | 26.1°C26 January 1950 | −18.3°C17 January 1972 | 26 / 26 |
| February | 10.1°C | −1.1°C | 25.6°C14 February 1949 | −15.0°C17 February 1958 | 24 / 26 |
| March | 14.4°C | 2.2°C | 30.0°C21 March 1968 | −11.1°C6 March 1960 | 25 / 26 |
| April | 21.1°C | 8.0°C | 33.9°C26 April 1960 | −5.0°C9 April 1972 | 26 / 26 |
| May | 24.9°C | 12.7°C | 34.5°C18 May 2026 | 0.6°C2 May 1963 | 25 / 26 |
| June | 29.0°C | 17.3°C | 38.9°C26 June 1952 | 5.6°C11 June 1972 | 26 / 26 |
| July | 30.6°C | 19.8°C | 39.4°C29 July 1952 | 10.6°C27 July 1962 | 27 / 27 |
| August | 29.8°C | 19.1°C | 38.3°C29 August 1948 | 8.3°C30 August 1965 | 26 / 26 |
| September | 26.5°C | 15.1°C | 40.0°C6 September 1954 | 2.8°C24 September 1963 | 25 / 26 |
| October | 21.1°C | 9.3°C | 35.0°C6 October 1954 | −6.7°C27 October 1962 | 25 / 25 |
| November | 15.5°C | 3.6°C | 30.0°C1 November 1950 | −10.0°C25 November 1950 | 25 / 25 |
| December | 9.8°C | −0.7°C | 25.6°C7 December 1956 | −16.7°C13 December 1962 | 25 / 25 |
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 24 to 27 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.