Greenwood A is a weather station located 28 m above sea level, 1 km from Greenwood. Its records go back to 1953: 68 years of temperature are available up to 2020, along with rainfall and a comparison with two reference normals. Closed series: the records of this station end in 2020. Over 1991–2020 the annual mean temperature there is 7.9 °C, clearly higher than over 1961–1990 (7.0 °C): a difference of 0.9 °C. The warmest year of the series is 1999 (9.2 °C) and the coldest 1965 (6.1 °C). The last complete year, 2020, ranks 3 out of 68, from warmest to coldest. Over 1961–2020, the annual mean temperature changes by +0.29 °C per decade. The station ranks 77 out of 240 stations, from the fastest rise to the slowest.
Annual mean temperature since 1953
The first ten years of the series (1953–1962) average 7.2 °C; the last ten (2011–2020) average 8.2 °C, a difference of +0.9 °C. Of the ten warmest years in the series, 7 fall after 1999. The warmest is 1999 (9.2 °C). The ten-year running mean peaks at 8.2 °C (2017) and bottoms out at 6.8 °C (1972).
Annual rainfall since 1953
On average 1354 mm of rain falls per year over the 65 documented years. The wettest year, 1979, received 1765 mm; the driest, 1965, only 915 mm, which is 1.9 times less. The 1991–2020 normal (1333 mm per year) is 55 mm (4.0 %) below the 1961–1990 one (1388 mm). Over 1991–2020, January is on average the wettest month (148 mm) and July the driest (79 mm). Between 1998 and 2017, 9 years out of 20 exceeded the series average.
Monthly normals: 1961–1990 against 1991–2020
The table compares, month by month, the mean temperature and the rainfall total of two thirty-year reference periods. The difference column shows what the recent period changes compared with the earlier one.
| Month | Temp. 1961–1990 | Temp. 1991–2020 | Difference | Rain 1961–1990 | Rain 1991–2020 | Difference |
|---|---|---|---|---|---|---|
| January | −5.2 °C | −4.6 °C | +0.6 °C | 156 mm | 148 mm | −8 mm |
| February | −5.3 °C | −4.2 °C | +1.1 °C | 131 mm | 123 mm | −8 mm |
| March | −0.8 °C | −0.3 °C | +0.5 °C | 115 mm | 118 mm | +3 mm |
| April | 4.8 °C | 5.7 °C | +0.9 °C | 103 mm | 90 mm | −13 mm |
| May | 11.0 °C | 11.7 °C | +0.7 °C | 99 mm | 88 mm | −11 mm |
| June | 16.2 °C | 16.7 °C | +0.5 °C | 87 mm | 88 mm | +1 mm |
| July | 19.4 °C | 20.4 °C | +1.0 °C | 89 mm | 79 mm | −10 mm |
| August | 18.7 °C | 19.8 °C | +1.1 °C | 99 mm | 86 mm | −13 mm |
| September | 14.2 °C | 15.6 °C | +1.4 °C | 93 mm | 116 mm | +23 mm |
| October | 9.0 °C | 9.7 °C | +0.7 °C | 115 mm | 121 mm | +6 mm |
| November | 3.9 °C | 4.6 °C | +0.7 °C | 140 mm | 128 mm | −12 mm |
| December | −2.2 °C | −0.8 °C | +1.4 °C | 161 mm | 148 mm | −13 mm |
The largest temperature change is in September (+1.4 °C) and the smallest in March (+0.5 °C); over the year the mean difference is +0.9 °C, and 12 months out of twelve are warmer than before. For rainfall, the largest difference is in September (+23 mm) and the smallest in April (−13 mm).
Records at Greenwood A
- Warmest year: 9.2 °C, in 1999
- Coldest year: 6.1 °C, in 1965
- Driest year: 915 mm, in 1965
- Wettest year: 1765 mm, in 1979
- Warmest month: 22.3 °C, in July 2018
- Coldest month: −9.7 °C, in February 2015
- Wettest month: 324 mm, in October 1933
- Hottest day: 37.2 °C, on 12 August 1944
- Coldest day: −35.5 °C, on 7 February 1993
- Heaviest rain in one day: 127.4 mm, on 29 August 2019
3.1 °C separate the warmest year of the series from the coldest. Between the hottest and the coldest day on record, the range reaches 72.7 °C.
Temperature trend over 1961–2020
The regression line of annual mean temperature changes by +0.29 °C per decade between 1961 and 2020, about +1.7 °C over the whole period. That is faster than the median of the 240 stations (+0.25 °C per decade), by 0.04 °C per decade: the station ranks 77 out of 240.
Data source and licence
Data source: Environment and Climate Change Canada (dataset “AHCCD (ahccd-monthly) + climate-daily”), licence Open Government Licence – Canada. Last updated: 29 October 2026.
The data for Greenwood A are shown as the source publishes them; this site does not correct them. A year is kept only if at least eleven months of measurements are available, and a normal is computed only with at least twenty years of data out of its thirty. Temperatures are rounded to 0.1 °C and rainfall to the millimetre. The station is one of 240 stations in Canada: the overview page lets you compare them.
Frequently asked questions
What is the annual mean temperature at Greenwood A?
Over 1991–2020, the annual mean temperature at Greenwood A is 7.9 °C. It was 7.0 °C over 1961–1990, a difference of +0.9 °C.
What is the warmest year ever measured at Greenwood A?
Since records began in 1953, the warmest year at Greenwood A is 1999, at 9.2 °C on average. The coldest is 1965 (6.1 °C).
Is the climate at Greenwood A getting warmer?
Yes: at Greenwood A, the annual mean temperature rises by 0.29 °C per decade between 1961 and 2020, +1.7 °C in total. 7 of the 10 warmest years in the series fall after 1999.
Towns near this station
Neighbouring stations