March is one of the cooler months of the year in Thompson, with average highs near -8.9°C and lows around -18.7°C (mean -13.8°C). It is one of the drier months, averaging 33 mm of rainfall and 99% relative humidity across the period.
March is one of the cooler months of the year in Thompson. Across 45 years of records, the warmest March in Thompson was 2010 — when the month averaged -6.5°C — while the coldest was 1989 at -19.4°C. Typical March days reach -8.9°C with nights near -18.7°C. The long-term trend is cooling, about 0.2°C per decade.
March is one of the drier months in Thompson, averaging 33 mm of rainfall. The wettest March on record was 2017 with 116 mm, while the driest was 2006 at 12 mm.
Relative humidity in Thompson during March averages 99%. The most humid March was 2012 at 99%, and the least humid was 2010 at 95%.
March receives about 3.4 kWh/m²/day of solar energy in Thompson. The sunniest March was 2014 at 3.9 kWh/m²/day, and the cloudiest was 1990 at 2.8.
Average wind speed in Thompson during March is 0.6 m/s. The windiest March was 1990 at 0.8 m/s, while the calmest were 2006 and 2023 at 0.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | -14.3°C | -13.0°C | -14.1°C | -13.1°C | -15.1°C | -0.8°C |
| Avg High | -9.2°C | -8.2°C | -9.2°C | -8.1°C | -10.0°C | -0.8°C |
| Avg Low | -19.3°C | -17.8°C | -18.9°C | -18.1°C | -20.3°C | -1°C |
| Avg Rain | 31 mm | 27 mm | 37 mm | 34 mm | 35 mm | +3 mm |
March temperatures in Thompson have fallen by about 1.5°C between 1981–1985 and 2021–2025.
March has ranged from a record low of -43.3°C (2003) to a record high of 7.9°C (2010).
Rainfall in March is one of the drier months, averaging 33 mm, with a wettest year of 116 mm.
A quieter season to visit Thompson
If your dates are flexible, the more temperate months of July and August tend to be the most comfortable for visiting Thompson. That said, March — with days averaging -8.9°C and nights around -18.7°C (mean -13.8°C) and moderate rainfall (33 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | -11.6°C | -17.0°C | -22.5°C | 0.1°C | -34.3°C | 32 mm | 99% | 0.6 m/s | 3.7 |
| 2024 | -10.9°C | -15.8°C | -20.8°C | 0.3°C | -31.7°C | 37 mm | 99% | 0.7 m/s | 3.5 |
| 2023 | -12.0°C | -17.0°C | -22.0°C | -3.4°C | -35.0°C | 37 mm | 99% | 0.5 m/s | 3.8 |
| 2022 | -9.2°C | -14.2°C | -19.1°C | 0.1°C | -34.0°C | 32 mm | 99% | 0.6 m/s | 3.5 |
| 2021 | -7.0°C | -12.2°C | -17.4°C | 0.2°C | -36.7°C | 30 mm | 99% | 0.7 m/s | 3.5 |
| 2020 | -9.4°C | -14.7°C | -19.9°C | -0.8°C | -30.3°C | 41 mm | 99% | 0.7 m/s | 3.5 |
| 2019 | -6.8°C | -11.6°C | -16.3°C | 0.4°C | -33.0°C | 17 mm | 99% | 0.7 m/s | 3.5 |
| 2018 | -7.4°C | -12.7°C | -17.9°C | 0.0°C | -25.9°C | 16 mm | 99% | 0.6 m/s | 3.7 |
| 2017 🌧️ | -9.6°C | -15.2°C | -20.9°C | 0.1°C | -38.8°C | 116 mm | 99% | 0.7 m/s | 2.9 |
| 2016 | -6.8°C | -11.7°C | -16.6°C | 0.2°C | -32.2°C | 26 mm | 99% | 0.6 m/s | 3.5 |
| 2015 | -8.2°C | -13.7°C | -19.2°C | 0.2°C | -30.1°C | 26 mm | 99% | 0.6 m/s | 3.4 |
| 2014 | -12.8°C | -18.3°C | -23.7°C | -2.1°C | -38.5°C | 27 mm | 99% | 0.6 m/s | 3.9 |
| 2013 | -10.0°C | -14.7°C | -19.4°C | 0.2°C | -33.1°C | 18 mm | 99% | 0.6 m/s | 3.7 |
| 2012 | -6.1°C | -10.2°C | -14.2°C | 0.2°C | -28.1°C | 64 mm | 99% | 0.7 m/s | 3.1 |
| 2011 | -11.1°C | -16.7°C | -22.2°C | 0.1°C | -39.4°C | 16 mm | 99% | 0.6 m/s | 3.7 |
| 2010 🔥 | -2.7°C | -6.5°C | -10.2°C | 7.9°C | -26.7°C | 19 mm | 95% | 0.6 m/s | 3.2 |
| 2009 | -10.5°C | -16.0°C | -21.5°C | 0.1°C | -40.5°C | 42 mm | 99% | 0.7 m/s | 3.6 |
| 2008 | -11.5°C | -16.6°C | -21.7°C | -2.8°C | -36.2°C | 47 mm | 99% | 0.6 m/s | 3.7 |
| 2007 | -8.9°C | -13.7°C | -18.5°C | 0.4°C | -38.3°C | 52 mm | 99% | 0.6 m/s | 3.3 |
| 2006 | -6.3°C | -10.4°C | -14.5°C | 0.6°C | -26.4°C | 12 mm | 99% | 0.5 m/s | 3.6 |
| 2005 | -10.2°C | -14.8°C | -19.3°C | 0.2°C | -31.6°C | 37 mm | 99% | 0.6 m/s | 3.4 |
| 2004 | -8.3°C | -14.2°C | -20.2°C | 0.2°C | -37.1°C | 30 mm | 99% | 0.7 m/s | 3.4 |
| 2003 | -11.3°C | -15.8°C | -20.2°C | 0.1°C | -43.3°C | 41 mm | 99% | 0.6 m/s | 3.2 |
| 2002 | -13.0°C | -18.0°C | -23.0°C | 0.1°C | -37.2°C | 36 mm | 99% | 0.6 m/s | 3.2 |
| 2001 | -7.3°C | -12.2°C | -17.0°C | 0.3°C | -26.0°C | 39 mm | 99% | 0.6 m/s | 3 |
| 2000 | -4.7°C | -9.1°C | -13.4°C | 5.7°C | -35.6°C | 38 mm | 96% | 0.7 m/s | 3 |
| 1999 | -5.2°C | -9.4°C | -13.6°C | 2.1°C | -33.0°C | 22 mm | 97% | 0.6 m/s | 3.5 |
| 1998 | -8.7°C | -13.7°C | -18.6°C | 0.1°C | -35.9°C | 21 mm | 99% | 0.6 m/s | 3.3 |
| 1997 | -10.9°C | -16.3°C | -21.6°C | 0.1°C | -37.6°C | 21 mm | 99% | 0.6 m/s | 3.6 |
| 1996 | -12.4°C | -17.6°C | -22.7°C | 0.1°C | -39.3°C | 39 mm | 99% | 0.7 m/s | 3.2 |
| 1995 | -8.5°C | -13.1°C | -17.6°C | 0.2°C | -42.9°C | 21 mm | 99% | 0.6 m/s | 2.9 |
| 1994 | -6.6°C | -11.7°C | -16.7°C | 0.2°C | -26.8°C | 52 mm | 99% | 0.6 m/s | 3.1 |
| 1993 | -8.1°C | -12.7°C | -17.4°C | 0.8°C | -34.5°C | 25 mm | 98% | 0.6 m/s | 3.4 |
| 1992 | -7.4°C | -11.8°C | -16.2°C | 0.1°C | -24.2°C | 33 mm | 99% | 0.6 m/s | 3.4 |
| 1991 | -7.4°C | -12.2°C | -17.0°C | 0.2°C | -42.1°C | 19 mm | 99% | 0.6 m/s | 3.4 |
| 1990 | -6.9°C | -11.6°C | -16.3°C | 0.2°C | -33.2°C | 22 mm | 99% | 0.8 m/s | 2.8 |
| 1989 ❄️ | -13.9°C | -19.4°C | -25.0°C | 0.1°C | -42.0°C | 16 mm | 99% | 0.6 m/s | 3.3 |
| 1988 | -10.0°C | -14.9°C | -19.8°C | 0.2°C | -32.3°C | 23 mm | 99% | 0.6 m/s | 3.2 |
| 1987 | -7.3°C | -11.7°C | -16.1°C | 0.1°C | -29.6°C | 33 mm | 99% | 0.6 m/s | 3 |
| 1986 | -8.9°C | -13.8°C | -18.7°C | 0.1°C | -33.6°C | 35 mm | 99% | 0.6 m/s | 3 |
| 1985 | -6.4°C | -11.6°C | -16.9°C | 0.1°C | -30.6°C | 31 mm | 99% | 0.6 m/s | 3.2 |
| 1984 | -9.6°C | -14.8°C | -20.1°C | 0.1°C | -42.8°C | 26 mm | 99% | 0.6 m/s | 3.4 |
| 1983 | -10.0°C | -14.6°C | -19.1°C | 0.1°C | -26.5°C | 44 mm | 99% | 0.6 m/s | — |
| 1982 | -11.0°C | -16.6°C | -22.2°C | 0.1°C | -40.4°C | 45 mm | 99% | 0.7 m/s | — |
| 1981 | -5.8°C | -11.0°C | -16.1°C | 0.2°C | -30.4°C | 28 mm | 99% | 0.6 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around -8.9°C with lows near -18.7°C (mean -13.8°C), based on 45 years of NASA POWER data.
March averages 33 mm of rainfall in Thompson, one of the drier months. The wettest on record was 116 mm in 2017.
The hottest March reached 7.9°C in 2010. The coldest dipped to -43.3°C in 2003.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have fallen by about 1.5°C. Daytime highs moved from -8.6°C to -10.1°C and overnight lows from -18.9°C to -20.4°C over the same span.
March is one of the cooler months of the year in Thompson and one of the drier months, so plan for around -8.9°C daytime highs and -18.7°C at night.
Not quite — March is the 4th coolest month in Thompson, averaging -13.8°C.
For March in Thompson, pack warm layers and a jacket for chilly mornings, with typical highs of -8.9°C and lows of -18.7°C.
Relative humidity in March averages 99% — quite humid.
Average wind speed in March is 0.6 m/s. The windiest March on record averaged 0.8 m/s (1990).
The wettest March on record was 2017 with 116 mm. On average, March sees 33 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Thompson behaves each March, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for March specifically, along with year-by-year records and how the month has changed over the decades.
