Port Hardy is a weather station located 22 m above sea level, 10 km from Port Hardy. Its records go back to 1945: 76 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 8.7 °C, noticeably higher than over 1961–1990 (8.2 °C): a difference of 0.6 °C. The warmest year of the series is 2004 (9.6 °C) and the coldest 1955 (6.9 °C). The last complete year, 2020, ranks 14 out of 76, from warmest to coldest. Over 1961–2020, the annual mean temperature changes by +0.16 °C per decade. The station ranks 210 out of 240 stations, from the fastest rise to the slowest.
Annual mean temperature since 1945
The first ten years of the series (1945–1954) average 7.8 °C; the last ten (2011–2020) average 8.7 °C, a difference of +0.9 °C. Of the ten warmest years in the series, 5 fall after 1999. The warmest is 2004 (9.6 °C). The ten-year running mean peaks at 8.9 °C (2006) and bottoms out at 7.6 °C (1957).
Annual rainfall since 1945
On average 2551 mm of rain falls per year over the 63 documented years. The wettest year, 1948, received 3646 mm; the driest, 1951, only 1680 mm, which is 2.2 times less. Over 1961–1990, November is on average the wettest month (392 mm) and July the driest (54 mm). Between 1989 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 | 3.2 °C | 4.3 °C | +1.1 °C | 357 mm | 328 mm | −29 mm |
| February | 4.2 °C | 4.4 °C | +0.2 °C | 260 mm | 213 mm | −47 mm |
| March | 5.2 °C | 5.4 °C | +0.2 °C | 227 mm | 261 mm | +34 mm |
| April | 6.9 °C | 7.5 °C | +0.6 °C | 175 mm | 174 mm | −1 mm |
| May | 9.5 °C | 10.3 °C | +0.8 °C | 103 mm | 89 mm | −14 mm |
| June | 11.8 °C | 12.5 °C | +0.7 °C | 83 mm | 71 mm | −12 mm |
| July | 13.8 °C | 14.4 °C | +0.6 °C | 54 mm | – | – |
| August | 13.9 °C | 14.7 °C | +0.8 °C | 73 mm | 93 mm | +20 mm |
| September | 11.9 °C | 12.5 °C | +0.6 °C | 162 mm | 138 mm | −24 mm |
| October | 8.8 °C | 9.0 °C | +0.2 °C | 356 mm | 317 mm | −39 mm |
| November | 5.4 °C | 5.9 °C | +0.5 °C | 392 mm | 408 mm | +16 mm |
| December | 3.5 °C | 4.0 °C | +0.5 °C | 374 mm | 358 mm | −16 mm |
The largest temperature change is in January (+1.1 °C) and the smallest in October (+0.2 °C); over the year the mean difference is +0.6 °C, and 12 months out of twelve are warmer than before.
Records at Port Hardy
- Warmest year: 9.6 °C, in 2004
- Coldest year: 6.9 °C, in 1955
- Driest year: 1680 mm, in 1951
- Wettest year: 3646 mm, in 1948
- Warmest month: 15.9 °C, in August 2004
- Coldest month: −4.8 °C, in January 1950
- Wettest month: 822 mm, in November 1948
2.7 °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 +0.16 °C per decade between 1961 and 2020, about +0.9 °C over the whole period. That is slower than the median of the 240 stations (+0.25 °C per decade), by 0.09 °C per decade: the station ranks 210 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 Port Hardy 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 Port Hardy?
Over 1991–2020, the annual mean temperature at Port Hardy is 8.7 °C. It was 8.2 °C over 1961–1990, a difference of +0.6 °C.
What is the warmest year ever measured at Port Hardy?
Since records began in 1945, the warmest year at Port Hardy is 2004, at 9.6 °C on average. The coldest is 1955 (6.9 °C).
Is the climate at Port Hardy getting warmer?
Yes: at Port Hardy, the annual mean temperature rises by 0.16 °C per decade between 1961 and 2020, +0.9 °C in total. 5 of the 10 warmest years in the series fall after 1999.
Towns near this station
Neighbouring stations