March is one of the cooler months of the year in Calgary, with average highs near 3.9°C and lows around -7.2°C (mean -1.6°C). It is one of the drier months, averaging 27 mm of rainfall and 72% relative humidity across the period.
March is one of the cooler months of the year in Calgary. Across 45 years of records, the warmest March in Calgary was 1992 — when the month averaged 3.6°C — while the coldest was 2002 at -8.7°C. Typical March days reach 3.9°C with nights near -7.2°C. The long-term trend is cooling, about 0.3°C per decade.
March is one of the drier months in Calgary, averaging 27 mm of rainfall. The wettest March on record was 1998 with 57 mm, while the driest was 1985 at 7 mm.
Relative humidity in Calgary during March averages 72%. The most humid March was 1982 at 84%, and the least humid was 1994 at 62%.
March receives about 3.5 kWh/m²/day of solar energy in Calgary. The sunniest March was 2023 at 4.4 kWh/m²/day, and the cloudiest was 2012 at 3.
Average wind speed in Calgary during March is 1.6 m/s. The windiest March was 2020 at 2 m/s, while the calmest were 1989 and 1992 at 1.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | -1.3°C | -1.0°C | -2.1°C | -1.6°C | -2.3°C | -1°C |
| Avg High | 4.1°C | 4.8°C | 3.3°C | 4.0°C | 3.1°C | -1°C |
| Avg Low | -6.8°C | -6.9°C | -7.5°C | -7.2°C | -7.7°C | -0.9°C |
| Avg Rain | 27 mm | 23 mm | 26 mm | 27 mm | 31 mm | +4 mm |
March temperatures in Calgary have stayed relatively stable across the record.
March has ranged from a record low of -29.8°C (2014) to a record high of 21.9°C (2004).
Rainfall in March is one of the drier months, averaging 27 mm, with a wettest year of 57 mm.
A good time to visit Calgary
March is a good time to visit Calgary, with days averaging 3.9°C and nights around -7.2°C (mean -1.6°C, cooler than Calgary's yearly average) and low rainfall. July and August are marginally more temperate, but March still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 4.5°C | -0.5°C | -5.6°C | 12.8°C | -10.7°C | 43 mm | 76% | 1.5 m/s | 3.5 |
| 2024 | 1.8°C | -3.8°C | -9.4°C | 18.0°C | -21.9°C | 49 mm | 80% | 1.6 m/s | 3.9 |
| 2023 | -0.1°C | -5.5°C | -11.0°C | 10.4°C | -22.5°C | 24 mm | 78% | 1.4 m/s | 4.4 |
| 2022 | 4.6°C | -0.7°C | -6.1°C | 14.5°C | -16.0°C | 25 mm | 73% | 1.8 m/s | 3.6 |
| 2021 | 6.7°C | 0.9°C | -4.8°C | 14.8°C | -11.1°C | 15 mm | 63% | 1.9 m/s | 3.6 |
| 2020 | 1.3°C | -4.1°C | -9.5°C | 10.0°C | -22.0°C | 30 mm | 72% | 2 m/s | 3.6 |
| 2019 | 3.6°C | -2.8°C | -9.1°C | 19.0°C | -29.2°C | 13 mm | 75% | 1.4 m/s | 3.8 |
| 2018 | 0.6°C | -4.7°C | -10.0°C | 7.8°C | -20.3°C | 56 mm | 82% | 1.4 m/s | 3.6 |
| 2017 | 2.2°C | -3.2°C | -8.6°C | 11.1°C | -20.6°C | 33 mm | 79% | 1.5 m/s | 3.4 |
| 2016 | 7.7°C | 2.1°C | -3.5°C | 14.6°C | -7.3°C | 15 mm | 67% | 1.5 m/s | 3.4 |
| 2015 | 7.9°C | 1.9°C | -4.0°C | 17.0°C | -19.7°C | 22 mm | 71% | 1.9 m/s | 3.3 |
| 2014 | -0.1°C | -5.2°C | -10.3°C | 9.8°C | -29.8°C | 32 mm | 75% | 1.7 m/s | 3.2 |
| 2013 | 4.0°C | -1.9°C | -7.8°C | 13.5°C | -14.7°C | 28 mm | 72% | 1.5 m/s | 3.8 |
| 2012 | 4.5°C | -0.8°C | -6.1°C | 10.8°C | -14.3°C | 31 mm | 72% | 1.9 m/s | 3 |
| 2011 | 1.3°C | -4.0°C | -9.3°C | 9.1°C | -27.4°C | 30 mm | 81% | 1.5 m/s | 3.5 |
| 2010 | 8.1°C | 2.1°C | -3.8°C | 14.6°C | -8.8°C | 10 mm | 64% | 1.7 m/s | 3.6 |
| 2009 | 1.2°C | -4.4°C | -9.9°C | 10.3°C | -25.7°C | 41 mm | 72% | 1.9 m/s | 3.8 |
| 2008 | 3.8°C | -1.0°C | -5.7°C | 11.1°C | -11.5°C | 17 mm | 64% | 1.7 m/s | 3.7 |
| 2007 | 6.6°C | 1.0°C | -4.6°C | 13.4°C | -17.4°C | 29 mm | 71% | 1.9 m/s | 3.3 |
| 2006 | 2.1°C | -3.3°C | -8.6°C | 11.2°C | -15.0°C | 21 mm | 78% | 1.4 m/s | 3.4 |
| 2005 | 4.8°C | -0.4°C | -5.6°C | 15.5°C | -12.8°C | 27 mm | 71% | 1.9 m/s | 3.5 |
| 2004 | 7.1°C | 1.1°C | -4.9°C | 21.9°C | -16.7°C | 15 mm | 65% | 1.8 m/s | 3.3 |
| 2003 | 2.0°C | -3.8°C | -9.6°C | 14.3°C | -28.2°C | 29 mm | 76% | 1.7 m/s | 3.5 |
| 2002 ❄️ | -3.4°C | -8.7°C | -14.0°C | 9.0°C | -26.5°C | 30 mm | 77% | 1.6 m/s | 3.7 |
| 2001 | 5.2°C | -0.5°C | -6.2°C | 13.4°C | -13.1°C | 19 mm | 66% | 1.8 m/s | 3.3 |
| 2000 | 3.9°C | -1.1°C | -6.0°C | 13.1°C | -12.9°C | 34 mm | 73% | 1.7 m/s | 3.6 |
| 1999 | 5.8°C | 0.0°C | -5.8°C | 16.3°C | -13.5°C | 16 mm | 68% | 1.4 m/s | 3.5 |
| 1998 🌧️ | 2.3°C | -2.8°C | -7.9°C | 10.5°C | -17.6°C | 57 mm | 78% | 1.5 m/s | 3.5 |
| 1997 | 2.3°C | -3.2°C | -8.8°C | 11.4°C | -21.3°C | 24 mm | 73% | 1.8 m/s | 3.5 |
| 1996 | 0.4°C | -5.1°C | -10.5°C | 14.5°C | -23.0°C | 29 mm | 72% | 1.7 m/s | 3.6 |
| 1995 | 4.2°C | -1.7°C | -7.6°C | 15.8°C | -21.5°C | 14 mm | 68% | 1.5 m/s | 3.6 |
| 1994 | 7.7°C | 1.5°C | -4.7°C | 17.3°C | -11.4°C | 11 mm | 62% | 1.8 m/s | 3.5 |
| 1993 | 5.3°C | -0.4°C | -6.1°C | 14.1°C | -18.2°C | 29 mm | 70% | 1.6 m/s | 3.4 |
| 1992 🔥 | 10.3°C | 3.6°C | -3.2°C | 16.6°C | -7.1°C | 9 mm | 63% | 1.3 m/s | 3.8 |
| 1991 | 3.1°C | -3.0°C | -9.0°C | 15.1°C | -23.8°C | 29 mm | 72% | 1.6 m/s | 3.7 |
| 1990 | 6.9°C | 0.8°C | -5.3°C | 16.5°C | -16.9°C | 15 mm | 64% | 1.6 m/s | 3.5 |
| 1989 | 1.3°C | -4.4°C | -10.1°C | 8.3°C | -25.4°C | 20 mm | 75% | 1.3 m/s | 3.4 |
| 1988 | 5.0°C | 0.2°C | -4.5°C | 11.9°C | -8.9°C | 24 mm | 66% | 1.8 m/s | 3.3 |
| 1987 | 4.6°C | -0.9°C | -6.3°C | 12.6°C | -17.6°C | 30 mm | 75% | 1.6 m/s | 3.4 |
| 1986 | 8.1°C | 2.1°C | -3.8°C | 14.4°C | -9.3°C | 11 mm | 66% | 1.6 m/s | 3.4 |
| 1985 | 4.2°C | -1.5°C | -7.1°C | 14.3°C | -14.6°C | 7 mm | 65% | 1.7 m/s | 3.7 |
| 1984 | 4.1°C | -1.1°C | -6.4°C | 10.5°C | -15.9°C | 28 mm | 74% | 1.5 m/s | 3.3 |
| 1983 | 3.0°C | -2.1°C | -7.2°C | 10.0°C | -15.0°C | 32 mm | 81% | 1.4 m/s | — |
| 1982 | -0.2°C | -5.4°C | -10.5°C | 10.1°C | -20.3°C | 48 mm | 84% | 1.6 m/s | — |
| 1981 | 7.2°C | 1.1°C | -5.0°C | 13.9°C | -11.7°C | 44 mm | 70% | 1.5 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 3.9°C with lows near -7.2°C (mean -1.6°C), based on 45 years of NASA POWER data.
March averages 27 mm of rainfall in Calgary, one of the drier months. The wettest on record was 57 mm in 1998.
The hottest March reached 21.9°C in 2004. The coldest dipped to -29.8°C in 2014.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have fallen by about 0.1°C. Daytime highs moved from 3.7°C to 3.5°C and overnight lows from -7.2°C to -7.4°C over the same span.
March is one of the cooler months of the year in Calgary and one of the drier months, so plan for around 3.9°C daytime highs and -7.2°C at night.
Not quite — March is the 5th coolest month in Calgary, averaging -1.6°C.
For March in Calgary, pack warm layers and a jacket for chilly mornings, with typical highs of 3.9°C and lows of -7.2°C.
Relative humidity in March averages 72% — moderately humid.
Average wind speed in March is 1.6 m/s. The windiest March on record averaged 2 m/s (2020).
The wettest March on record was 1998 with 57 mm. On average, March sees 27 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 Calgary 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.
