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Powell River: weather history since 1924

Powell River is a weather station located 125 m above sea level, 2 km from Powell River. Its records go back to 1924: 86 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 9.5 °C, barely higher than over 1961–1990 (9.4 °C): a difference of 0.2 °C. The warmest year of the series is 2004 (10.9 °C) and the coldest 1933 (7.9 °C). The last complete year, 2020, ranks 27 out of 86, from warmest to coldest. Over 1961–2020, the annual mean temperature changes by +0.08 °C per decade. The station ranks 236 out of 240 stations, from the fastest rise to the slowest.

Annual mean temperature since 1924

789101112
1924194019501960197019801990200020102020
Mean temperature of the year   10-year running mean   1961–1990 normal (9.4 °C)   1991–2020 normal (9.5 °C)

The first ten years of the series (1924–1933) average 9.0 °C; the last ten (2011–2020) average 9.7 °C, a difference of +0.7 °C. Of the ten warmest years in the series, 4 fall after 1999. The warmest is 2004 (10.9 °C). The ten-year running mean peaks at 9.7 °C (2018) and bottoms out at 8.8 °C (1936).

Annual rainfall since 1924

050010001500
1924194019501960197019801990200020102020
Rainfall of the year   Series average (1075 mm)

On average 1075 mm of rain falls per year over the 72 documented years. The wettest year, 1968, received 1446 mm; the driest, 1929, only 618 mm, which is 2.3 times less. Over 1961–1990, November is on average the wettest month (165 mm) and July the driest (48 mm). Between 1985 and 2006, 13 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.

Monthly temperature and rainfall normals, 1961–1990 and 1991–2020
MonthTemp. 1961–1990Temp. 1991–2020DifferenceRain 1961–1990Rain 1991–2020Difference
January2.2 °C3.2 °C+1.0 °C143 mm––
February3.6 °C3.5 °C−0.1 °C107 mm––
March5.1 °C5.2 °C+0.1 °C104 mm––
April7.9 °C8.0 °C+0.1 °C66 mm––
May11.5 °C12.2 °C+0.7 °C67 mm––
June15.1 °C14.9 °C−0.2 °C57 mm––
July17.5 °C17.6 °C+0.1 °C48 mm––
August17.5 °C17.6 °C+0.1 °C52 mm––
September14.3 °C14.3 °C0.0 °C65 mm––
October9.6 °C9.4 °C−0.2 °C133 mm––
November5.2 °C5.4 °C+0.2 °C165 mm––
December2.9 °C3.1 °C+0.2 °C162 mm––

The largest temperature change is in January (+1.0 °C) and the smallest in June (−0.2 °C); over the year the mean difference is +0.2 °C, and 8 months out of twelve are warmer than before.

Records at Powell River

  • Warmest year: 10.9 °C, in 2004
  • Coldest year: 7.9 °C, in 1933
  • Driest year: 618 mm, in 1929
  • Wettest year: 1446 mm, in 1968
  • Warmest month: 21.0 °C, in July 1958
  • Coldest month: −5.7 °C, in January 1950
  • Wettest month: 302 mm, in January 1973

3.0 °C separate the warmest year of the series from the coldest. Daily records are not part of the dataset for this station: only annual and monthly extremes are shown.

Temperature trend over 1961–2020

The regression line of annual mean temperature changes by +0.08 °C per decade between 1961 and 2020, about +0.5 °C over the whole period. That is slower than the median of the 240 stations (+0.25 °C per decade), by 0.17 °C per decade: the station ranks 236 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 Powell River 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 Powell River?

Over 1991–2020, the annual mean temperature at Powell River is 9.5 °C. It was 9.4 °C over 1961–1990, a difference of +0.2 °C.

What is the warmest year ever measured at Powell River?

Since records began in 1924, the warmest year at Powell River is 2004, at 10.9 °C on average. The coldest is 1933 (7.9 °C).

Is the climate at Powell River getting warmer?

Yes: at Powell River, the annual mean temperature rises by 0.08 °C per decade between 1961 and 2020, +0.5 °C in total. 4 of the 10 warmest years in the series fall after 1999.

Towns near this station

Neighbouring stations

See all stations in the weather history