Oliver Stp is a weather station located 297 m above sea level, 0 km from Oliver. Its records go back to 1955: 64 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 10.8 °C, clearly higher than over 1961–1990 (9.9 °C): a difference of 0.9 °C. The warmest year of the series is 2020 (12.2 °C) and the coldest 1985 (8.1 °C). The last complete year, 2020, ranks 1 out of 64, from warmest to coldest. Over 1961–2020, the annual mean temperature changes by +0.19 °C per decade. The station ranks 191 out of 240 stations, from the fastest rise to the slowest.
Annual mean temperature since 1955
The first ten years of the series (1955–1964) average 9.9 °C; the last ten (2010–2020) average 11.0 °C, a difference of +1.1 °C. Of the ten warmest years in the series, 6 fall after 1999. The warmest is 2020 (12.2 °C). The ten-year running mean peaks at 11.0 °C (2020) and bottoms out at 9.4 °C (1985).
Annual rainfall since 1955
On average 322 mm of rain falls per year over the 60 documented years. The wettest year, 1983, received 528 mm; the driest, 1979, only 194 mm, which is 2.7 times less. The 1991–2020 normal (325 mm per year) is 7 mm (2.2 %) above the 1961–1990 one (318 mm). Over 1991–2020, June is on average the wettest month (45 mm) and August the driest (14 mm). Between 1996 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 | −2.2 °C | −0.7 °C | +1.5 °C | 32 mm | 26 mm | −6 mm |
| February | 1.1 °C | 1.5 °C | +0.4 °C | 26 mm | 20 mm | −6 mm |
| March | 5.5 °C | 6.2 °C | +0.7 °C | 24 mm | 24 mm | 0 mm |
| April | 10.3 °C | 10.8 °C | +0.5 °C | 22 mm | 25 mm | +3 mm |
| May | 14.7 °C | 15.8 °C | +1.1 °C | 32 mm | 40 mm | +8 mm |
| June | 18.9 °C | 19.4 °C | +0.5 °C | 31 mm | 45 mm | +14 mm |
| July | 21.8 °C | 23.4 °C | +1.6 °C | 21 mm | 23 mm | +2 mm |
| August | 21.2 °C | 22.6 °C | +1.4 °C | 25 mm | 14 mm | −11 mm |
| September | 16.0 °C | 17.2 °C | +1.2 °C | 18 mm | 16 mm | −2 mm |
| October | 9.6 °C | 10.0 °C | +0.4 °C | 16 mm | 22 mm | +6 mm |
| November | 3.4 °C | 3.7 °C | +0.3 °C | 30 mm | 33 mm | +3 mm |
| December | −1.4 °C | −0.5 °C | +0.9 °C | 41 mm | 37 mm | −4 mm |
The largest temperature change is in July (+1.6 °C) and the smallest in November (+0.3 °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 June (+14 mm) and the smallest in August (−11 mm).
Records at Oliver Stp
- Warmest year: 12.2 °C, in 2020
- Coldest year: 8.1 °C, in 1985
- Driest year: 194 mm, in 1979
- Wettest year: 528 mm, in 1983
- Warmest month: 25.8 °C, in July 2014
- Coldest month: −9.3 °C, in January 1969
- Wettest month: 109 mm, in May 1998
- Hottest day: 47.0 °C, on 29 June 2021
- Coldest day: −28.9 °C, on 9 February 1936
- Heaviest rain in one day: 55.0 mm, on 9 August 1989
4.1 °C separate the warmest year of the series from the coldest. Between the hottest and the coldest day on record, the range reaches 75.9 °C.
Temperature trend over 1961–2020
The regression line of annual mean temperature changes by +0.19 °C per decade between 1961 and 2020, about +1.1 °C over the whole period. That is slower than the median of the 240 stations (+0.25 °C per decade), by 0.06 °C per decade: the station ranks 191 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 Oliver Stp 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 Oliver Stp?
Over 1991–2020, the annual mean temperature at Oliver Stp is 10.8 °C. It was 9.9 °C over 1961–1990, a difference of +0.9 °C.
What is the warmest year ever measured at Oliver Stp?
Since records began in 1955, the warmest year at Oliver Stp is 2020, at 12.2 °C on average. The coldest is 1985 (8.1 °C).
Is the climate at Oliver Stp getting warmer?
Yes: at Oliver Stp, the annual mean temperature rises by 0.19 °C per decade between 1961 and 2020, +1.1 °C in total. 6 of the 10 warmest years in the series fall after 1999.
Towns near this station
Neighbouring stations