March is one of the cooler months of the year in Shediac, with average highs near 1.7°C and lows around -6.2°C (mean -2.2°C). It is about average for rainfall, averaging 75 mm of rainfall and 85% relative humidity across the period.
March is one of the cooler months of the year in Shediac. Across 45 years of records, the warmest March in Shediac was 2024 — when the month averaged 1°C — while the coldest was 2015 at -6.8°C. Typical March days reach 1.7°C with nights near -6.2°C. The long-term trend is warming, about 0.3°C per decade.
March is about average for rainfall in Shediac, averaging 75 mm of rainfall. The wettest March on record was 2024 with 150 mm, while the driest was 1988 at 23 mm.
Relative humidity in Shediac during March averages 85%. The most humid March was 2015 at 97%, and the least humid was 2002 at 77%.
March receives about 3.3 kWh/m²/day of solar energy in Shediac. The sunniest March was 1992 at 3.8 kWh/m²/day, and the cloudiest were 1995, 1998 and 2018 at 2.9.
Average wind speed in Shediac during March is 1.2 m/s. The windiest Marchs were 1984 and 2007 at 1.4 m/s, while the calmest were 2019, 2022 and 2023, among others at 1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | -2.8°C | -2.3°C | -2.4°C | -2.5°C | -0.7°C | +2.1°C |
| Avg High | 1.2°C | 1.7°C | 1.5°C | 1.3°C | 3.2°C | +2°C |
| Avg Low | -6.9°C | -6.3°C | -6.3°C | -6.4°C | -4.6°C | +2.3°C |
| Avg Rain | 78 mm | 70 mm | 87 mm | 62 mm | 77 mm | -1 mm |
March temperatures in Shediac have risen by about 2°C between 1981–1985 and 2021–2025.
March has ranged from a record low of -23.5°C (1982) to a record high of 20.1°C (2012).
Rainfall in March is about average for rainfall, averaging 75 mm, with a wettest year of 150 mm.
A quieter season to visit Shediac
If your dates are flexible, the more temperate months of August and July tend to be the most comfortable for visiting Shediac. That said, March — with days averaging 1.7°C and nights around -6.2°C (mean -2.2°C) and moderate rainfall (75 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 | 4.7°C | 0.4°C | -3.9°C | 13.1°C | -13.6°C | 91 mm | 80% | 1.1 m/s | 3.3 |
| 2024 🔥 🌧️ | 4.1°C | 1.0°C | -2.1°C | 11.2°C | -10.7°C | 150 mm | 86% | 1.2 m/s | 3.1 |
| 2023 | 2.1°C | -1.3°C | -4.8°C | 5.3°C | -13.2°C | 51 mm | 84% | 1 m/s | 3.3 |
| 2022 | 2.8°C | -1.2°C | -5.1°C | 11.9°C | -18.7°C | 77 mm | 83% | 1 m/s | 3.3 |
| 2021 | 3.7°C | -1.3°C | -6.3°C | 14.2°C | -15.7°C | 51 mm | 79% | 1.2 m/s | 3.7 |
| 2020 | 2.0°C | -1.9°C | -5.7°C | 8.3°C | -11.9°C | 43 mm | 81% | 1.1 m/s | 3.5 |
| 2019 | 1.4°C | -2.9°C | -7.2°C | 12.4°C | -18.1°C | 46 mm | 84% | 1 m/s | 3.7 |
| 2018 | 1.6°C | -1.5°C | -4.6°C | 9.1°C | -13.0°C | 61 mm | 87% | 1.3 m/s | 2.9 |
| 2017 | -0.4°C | -4.4°C | -8.4°C | 6.9°C | -17.9°C | 58 mm | 80% | 1.2 m/s | 3.4 |
| 2016 | 1.0°C | -2.8°C | -6.7°C | 7.3°C | -16.2°C | 79 mm | 84% | 1.2 m/s | 3.2 |
| 2015 ❄️ | -2.7°C | -6.8°C | -10.9°C | 1.5°C | -21.5°C | 66 mm | 97% | 1.2 m/s | 3.1 |
| 2014 | -1.1°C | -5.6°C | -10.0°C | 6.3°C | -20.1°C | 96 mm | 82% | 1.2 m/s | 3.3 |
| 2013 | 2.9°C | -0.1°C | -3.1°C | 11.2°C | -12.0°C | 46 mm | 83% | 1.2 m/s | 3 |
| 2012 | 4.6°C | 0.5°C | -3.6°C | 20.1°C | -11.9°C | 40 mm | 83% | 1.2 m/s | 3.6 |
| 2011 | 2.4°C | -1.7°C | -5.7°C | 8.9°C | -19.6°C | 33 mm | 83% | 1.3 m/s | 3.4 |
| 2010 | 3.7°C | 0.2°C | -3.3°C | 12.1°C | -8.7°C | 98 mm | 85% | 1.2 m/s | 3.6 |
| 2009 | 1.1°C | -3.0°C | -7.1°C | 10.0°C | -18.2°C | 96 mm | 87% | 1.1 m/s | 3.4 |
| 2008 | -0.6°C | -4.9°C | -9.3°C | 5.8°C | -15.9°C | 120 mm | 88% | 1.2 m/s | 3.3 |
| 2007 | 1.4°C | -2.4°C | -6.1°C | 8.7°C | -18.4°C | 54 mm | 83% | 1.4 m/s | 3.3 |
| 2006 | 2.7°C | -0.8°C | -4.3°C | 11.7°C | -15.8°C | 33 mm | 83% | 1.1 m/s | 3.3 |
| 2005 | 1.5°C | -2.0°C | -5.5°C | 9.6°C | -12.4°C | 99 mm | 83% | 1.3 m/s | 3.3 |
| 2004 | 0.8°C | -3.0°C | -6.7°C | 7.9°C | -14.2°C | 80 mm | 87% | 1.1 m/s | 3.2 |
| 2003 | 0.9°C | -3.6°C | -8.1°C | 10.2°C | -18.9°C | 150 mm | 88% | 1.1 m/s | 3 |
| 2002 | 2.5°C | -1.6°C | -5.7°C | 11.3°C | -10.3°C | 69 mm | 77% | 1.1 m/s | 3.4 |
| 2001 | 0.4°C | -2.8°C | -6.0°C | 9.5°C | -19.6°C | 76 mm | 91% | 1.2 m/s | 3.1 |
| 2000 | 4.1°C | 0.2°C | -3.8°C | 13.0°C | -9.3°C | 92 mm | 86% | 1.1 m/s | 3.4 |
| 1999 | 4.3°C | 0.5°C | -3.2°C | 14.8°C | -9.0°C | 122 mm | 86% | 1.2 m/s | 3.1 |
| 1998 | 3.2°C | -0.5°C | -4.3°C | 15.5°C | -12.2°C | 70 mm | 86% | 1.1 m/s | 2.9 |
| 1997 | -1.2°C | -5.0°C | -8.9°C | 7.3°C | -17.0°C | 62 mm | 86% | 1.2 m/s | 3.4 |
| 1996 | 1.6°C | -2.6°C | -6.8°C | 8.9°C | -16.6°C | 80 mm | 82% | 1.2 m/s | 3.4 |
| 1995 | 1.9°C | -2.1°C | -6.1°C | 12.2°C | -15.1°C | 41 mm | 83% | 1.1 m/s | 2.9 |
| 1994 | 1.7°C | -1.9°C | -5.6°C | 7.3°C | -15.4°C | 103 mm | 86% | 1 m/s | 3 |
| 1993 | 1.6°C | -3.1°C | -7.7°C | 17.6°C | -18.7°C | 56 mm | 84% | 1.3 m/s | 3.4 |
| 1992 | -0.8°C | -5.3°C | -9.7°C | 10.3°C | -21.8°C | 39 mm | 86% | 1.2 m/s | 3.8 |
| 1991 | 2.7°C | -1.0°C | -4.7°C | 9.1°C | -11.0°C | 91 mm | 87% | 1.2 m/s | 3.4 |
| 1990 | 2.3°C | -2.1°C | -6.5°C | 11.7°C | -16.0°C | 38 mm | 79% | 1.1 m/s | 3.5 |
| 1989 | 0.3°C | -4.3°C | -9.0°C | 13.2°C | -22.4°C | 69 mm | 88% | 1.2 m/s | 3.3 |
| 1988 | 2.4°C | -2.2°C | -6.7°C | 12.9°C | -16.2°C | 23 mm | 81% | 1.2 m/s | 3.6 |
| 1987 | 0.8°C | -3.2°C | -7.1°C | 12.7°C | -19.7°C | 66 mm | 92% | 1.1 m/s | 3 |
| 1986 | 1.3°C | -3.4°C | -8.1°C | 15.4°C | -16.6°C | 73 mm | 86% | 1.2 m/s | 3.5 |
| 1985 | 1.1°C | -3.4°C | -7.9°C | 9.2°C | -18.7°C | 74 mm | 80% | 1.3 m/s | 3.6 |
| 1984 | -0.9°C | -4.2°C | -7.5°C | 10.6°C | -20.6°C | 148 mm | 88% | 1.4 m/s | 3.3 |
| 1983 | 2.1°C | -1.5°C | -5.1°C | 12.2°C | -16.3°C | 113 mm | 88% | 1.1 m/s | — |
| 1982 | 0.9°C | -3.4°C | -7.7°C | 9.0°C | -23.5°C | 65 mm | 87% | 1.1 m/s | — |
| 1981 | 3.2°C | 0.1°C | -3.0°C | 7.7°C | -8.1°C | 72 mm | 84% | 1.2 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 1.7°C with lows near -6.2°C (mean -2.2°C), based on 45 years of NASA POWER data.
March averages 75 mm of rainfall in Shediac, about average for rainfall. The wettest on record was 150 mm in 2024.
The hottest March reached 20.1°C in 2012. The coldest dipped to -23.5°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 2°C. Daytime highs moved from 1.3°C to 3.5°C and overnight lows from -6.2°C to -4.4°C over the same span.
March is one of the cooler months of the year in Shediac and about average for rainfall, so plan for around 1.7°C daytime highs and -6.2°C at night.
Not quite — March is the 4th coolest month in Shediac, averaging -2.2°C.
For March in Shediac, pack warm layers and a jacket for chilly mornings, with typical highs of 1.7°C and lows of -6.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in March averages 85% — quite humid.
Average wind speed in March is 1.2 m/s. The windiest March on record averaged 1.4 m/s (1984).
The wettest March on record was 2024 with 150 mm. On average, March sees 75 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 Shediac 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.
