March is one of the cooler months of the year in Moncton, with average highs near 1.8°C and lows around -7.4°C (mean -2.8°C). It is about average for rainfall, averaging 88 mm of rainfall and 87% relative humidity across the period.
March is one of the cooler months of the year in Moncton. Across 45 years of records, the warmest March in Moncton was 2024 — when the month averaged 0.5°C — while the coldest was 2015 at -7.7°C. Typical March days reach 1.8°C with nights near -7.4°C. The long-term trend is warming, about 0.4°C per decade.
March is about average for rainfall in Moncton, averaging 88 mm of rainfall. The wettest March on record was 2024 with 167 mm, while the driest was 1988 at 27 mm.
Relative humidity in Moncton during March averages 87%. The most humid March was 2015 at 99%, and the least humid was 2002 at 77%.
March receives about 3.3 kWh/m²/day of solar energy in Moncton. 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 Moncton during March is 0.3 m/s. The windiest Marchs were 2014, 2018 and 2021, among others at 0.4 m/s, while the calmest were 2023, 2024 and 2025, among others at 0.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | -3.6°C | -3.0°C | -2.9°C | -2.9°C | -0.8°C | +2.8°C |
| Avg High | 1.0°C | 1.6°C | 1.6°C | 1.6°C | 3.7°C | +2.7°C |
| Avg Low | -8.3°C | -7.6°C | -7.5°C | -7.4°C | -5.4°C | +2.9°C |
| Avg Rain | 94 mm | 93 mm | 94 mm | 72 mm | 82 mm | -12 mm |
March temperatures in Moncton have risen by about 2.5°C between 1981–1985 and 2021–2025.
March has ranged from a record low of -30.5°C (1982) to a record high of 22.3°C (2012).
Rainfall in March is about average for rainfall, averaging 88 mm, with a wettest year of 167 mm.
A quieter season to visit Moncton
If your dates are flexible, the more temperate months of July and August tend to be the most comfortable for visiting Moncton. That said, March — with days averaging 1.8°C and nights around -7.4°C (mean -2.8°C) and higher rainfall (88 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 | 5.1°C | 0.0°C | -5.1°C | 14.5°C | -16.0°C | 101 mm | 80% | 0.3 m/s | 3.3 |
| 2024 🔥 🌧️ | 4.3°C | 0.5°C | -3.3°C | 13.3°C | -12.2°C | 167 mm | 86% | 0.3 m/s | 3.1 |
| 2023 | 2.8°C | -1.1°C | -5.0°C | 6.7°C | -14.3°C | 57 mm | 84% | 0.3 m/s | 3.3 |
| 2022 | 3.2°C | -1.3°C | -5.7°C | 12.8°C | -20.1°C | 75 mm | 83% | 0.3 m/s | 3.3 |
| 2021 | 4.2°C | -1.4°C | -7.1°C | 16.0°C | -17.1°C | 52 mm | 80% | 0.4 m/s | 3.7 |
| 2020 | 2.7°C | -1.8°C | -6.2°C | 9.0°C | -12.7°C | 42 mm | 80% | 0.3 m/s | 3.5 |
| 2019 | 1.7°C | -3.1°C | -7.9°C | 14.7°C | -20.2°C | 50 mm | 85% | 0.3 m/s | 3.7 |
| 2018 | 1.6°C | -1.8°C | -5.2°C | 9.7°C | -15.0°C | 75 mm | 88% | 0.4 m/s | 2.9 |
| 2017 | 0.3°C | -4.5°C | -9.2°C | 7.8°C | -18.3°C | 62 mm | 78% | 0.3 m/s | 3.4 |
| 2016 | 1.3°C | -3.2°C | -7.6°C | 8.0°C | -17.9°C | 87 mm | 85% | 0.3 m/s | 3.2 |
| 2015 ❄️ | -2.9°C | -7.7°C | -12.4°C | 0.1°C | -28.1°C | 69 mm | 99% | 0.3 m/s | 3.1 |
| 2014 | -1.6°C | -6.6°C | -11.7°C | 7.8°C | -24.2°C | 115 mm | 87% | 0.4 m/s | 3.3 |
| 2013 | 3.2°C | -0.4°C | -3.9°C | 12.5°C | -13.3°C | 60 mm | 85% | 0.3 m/s | 3 |
| 2012 | 5.3°C | 0.4°C | -4.4°C | 22.3°C | -14.9°C | 49 mm | 84% | 0.3 m/s | 3.6 |
| 2011 | 2.5°C | -2.3°C | -7.2°C | 11.2°C | -24.7°C | 49 mm | 84% | 0.3 m/s | 3.4 |
| 2010 | 4.2°C | -0.3°C | -4.9°C | 13.9°C | -14.3°C | 107 mm | 87% | 0.3 m/s | 3.6 |
| 2009 | 1.4°C | -3.5°C | -8.3°C | 12.5°C | -21.3°C | 92 mm | 88% | 0.3 m/s | 3.4 |
| 2008 | -0.8°C | -6.0°C | -11.1°C | 6.1°C | -18.5°C | 132 mm | 92% | 0.3 m/s | 3.3 |
| 2007 | 1.6°C | -3.0°C | -7.5°C | 9.6°C | -21.9°C | 60 mm | 84% | 0.3 m/s | 3.3 |
| 2006 | 3.3°C | -1.1°C | -5.4°C | 13.4°C | -17.7°C | 33 mm | 84% | 0.3 m/s | 3.3 |
| 2005 | 2.1°C | -2.0°C | -6.2°C | 10.3°C | -14.7°C | 107 mm | 84% | 0.3 m/s | 3.3 |
| 2004 | 1.4°C | -3.0°C | -7.5°C | 10.1°C | -16.6°C | 85 mm | 86% | 0.3 m/s | 3.2 |
| 2003 | -0.2°C | -5.2°C | -10.2°C | 10.7°C | -23.8°C | 153 mm | 95% | 0.3 m/s | 3 |
| 2002 | 3.0°C | -1.8°C | -6.6°C | 12.9°C | -12.4°C | 87 mm | 77% | 0.3 m/s | 3.4 |
| 2001 | 0.1°C | -3.7°C | -7.5°C | 10.0°C | -22.4°C | 91 mm | 93% | 0.3 m/s | 3.1 |
| 2000 | 4.6°C | -0.1°C | -4.8°C | 13.1°C | -15.1°C | 103 mm | 87% | 0.3 m/s | 3.4 |
| 1999 | 4.0°C | 0.1°C | -3.8°C | 16.6°C | -11.2°C | 142 mm | 88% | 0.3 m/s | 3.1 |
| 1998 | 3.8°C | -0.7°C | -5.1°C | 17.9°C | -13.6°C | 87 mm | 87% | 0.3 m/s | 2.9 |
| 1997 | -1.6°C | -6.0°C | -10.5°C | 6.5°C | -21.3°C | 80 mm | 90% | 0.3 m/s | 3.4 |
| 1996 | 1.5°C | -3.2°C | -7.9°C | 9.6°C | -17.4°C | 96 mm | 86% | 0.3 m/s | 3.4 |
| 1995 | 2.2°C | -2.3°C | -6.8°C | 12.6°C | -17.5°C | 60 mm | 86% | 0.3 m/s | 2.9 |
| 1994 | 1.3°C | -2.7°C | -6.8°C | 6.7°C | -20.3°C | 151 mm | 91% | 0.3 m/s | 3 |
| 1993 | 1.3°C | -4.0°C | -9.3°C | 18.3°C | -24.1°C | 78 mm | 90% | 0.3 m/s | 3.4 |
| 1992 | -2.1°C | -7.2°C | -12.3°C | 12.2°C | -23.9°C | 58 mm | 96% | 0.3 m/s | 3.8 |
| 1991 | 2.7°C | -1.7°C | -6.1°C | 9.5°C | -14.6°C | 129 mm | 90% | 0.3 m/s | 3.4 |
| 1990 | 2.7°C | -2.4°C | -7.5°C | 12.1°C | -18.6°C | 48 mm | 81% | 0.3 m/s | 3.5 |
| 1989 | 0.2°C | -5.3°C | -10.9°C | 15.2°C | -27.2°C | 78 mm | 91% | 0.4 m/s | 3.3 |
| 1988 | 3.0°C | -2.4°C | -7.7°C | 15.1°C | -17.4°C | 27 mm | 81% | 0.3 m/s | 3.6 |
| 1987 | -0.7°C | -4.6°C | -8.5°C | 13.1°C | -23.8°C | 92 mm | 98% | 0.3 m/s | 3 |
| 1986 | 1.1°C | -4.3°C | -9.7°C | 16.5°C | -20.4°C | 106 mm | 89% | 0.3 m/s | 3.5 |
| 1985 | 1.6°C | -3.6°C | -8.8°C | 11.4°C | -21.1°C | 81 mm | 80% | 0.3 m/s | 3.6 |
| 1984 | -1.8°C | -5.4°C | -9.1°C | 6.4°C | -23.7°C | 162 mm | 90% | 0.3 m/s | 3.3 |
| 1983 | 2.3°C | -1.9°C | -6.2°C | 14.2°C | -18.7°C | 128 mm | 90% | 0.3 m/s | — |
| 1982 | -0.1°C | -4.7°C | -9.3°C | 9.6°C | -30.5°C | 72 mm | 91% | 0.3 m/s | — |
| 1981 | 3.2°C | -0.5°C | -4.2°C | 9.1°C | -12.3°C | 101 mm | 86% | 0.3 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 1.8°C with lows near -7.4°C (mean -2.8°C), based on 45 years of NASA POWER data.
March averages 88 mm of rainfall in Moncton, about average for rainfall. The wettest on record was 167 mm in 2024.
The hottest March reached 22.3°C in 2012. The coldest dipped to -30.5°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 2.5°C. Daytime highs moved from 1°C to 3.9°C and overnight lows from -7.5°C to -5.2°C over the same span.
March is one of the cooler months of the year in Moncton and about average for rainfall, so plan for around 1.8°C daytime highs and -7.4°C at night.
Not quite — March is the 4th coolest month in Moncton, averaging -2.8°C.
For March in Moncton, pack warm layers and a jacket for chilly mornings, with typical highs of 1.8°C and lows of -7.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in March averages 87% — quite humid.
Average wind speed in March is 0.3 m/s. The windiest March on record averaged 0.4 m/s (1989).
The wettest March on record was 2024 with 167 mm. On average, March sees 88 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 Moncton 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.
