March is one of the cooler months of the year in Charlottetown, with average highs near 0.9°C and lows around -5.6°C (mean -2.3°C). It is one of the drier months, averaging 70 mm of rainfall and 85% relative humidity across the period.
March is one of the cooler months of the year in Charlottetown. Across 45 years of records, the warmest March in Charlottetown was 2024 — when the month averaged 1.2°C — while the coldest was 2015 at -6.4°C. Typical March days reach 0.9°C with nights near -5.6°C. The long-term trend is warming, about 0.2°C per decade.
March is one of the drier months in Charlottetown, averaging 70 mm of rainfall. The wettest March on record was 2003 with 140 mm, while the driest was 2011 at 28 mm.
Relative humidity in Charlottetown during March averages 85%. The most humid March was 2015 at 92%, and the least humid was 2002 at 79%.
March receives about 3.1 kWh/m²/day of solar energy in Charlottetown. The sunniest March was 2025 at 3.6 kWh/m²/day, and the cloudiest was 2003 at 2.5.
Average wind speed in Charlottetown during March is 3.3 m/s. The windiest Marchs were 1984 and 2007 at 4 m/s, while the calmest were 1987 and 2019 at 2.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | -2.9°C | -2.4°C | -2.5°C | -2.5°C | -1.0°C | +1.9°C |
| Avg High | 0.6°C | 1.0°C | 0.7°C | 0.5°C | 2.1°C | +1.5°C |
| Avg Low | -6.3°C | -5.8°C | -5.8°C | -5.6°C | -4.1°C | +2.2°C |
| Avg Rain | 68 mm | 64 mm | 79 mm | 65 mm | 75 mm | +7 mm |
March temperatures in Charlottetown have risen by about 1.7°C between 1981–1985 and 2021–2025.
March has ranged from a record low of -19.8°C (2014) to a record high of 16.4°C (2012).
Rainfall in March is one of the drier months, averaging 70 mm, with a wettest year of 140 mm.
A quieter season to visit Charlottetown
If your dates are flexible, the more temperate months of August and July tend to be the most comfortable for visiting Charlottetown. That said, March — with days averaging 0.9°C and nights around -5.6°C (mean -2.3°C) and moderate rainfall (70 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 | 3.2°C | 0.1°C | -3.0°C | 9.7°C | -10.8°C | 71 mm | 83% | 3.1 m/s | 3.6 |
| 2024 🔥 | 3.5°C | 1.2°C | -1.1°C | 13.3°C | -9.4°C | 130 mm | 86% | 3.5 m/s | 3.4 |
| 2023 | 0.9°C | -1.9°C | -4.6°C | 4.3°C | -12.5°C | 51 mm | 87% | 2.9 m/s | 3.3 |
| 2022 | 1.8°C | -1.5°C | -4.8°C | 10.5°C | -16.6°C | 90 mm | 85% | 3.1 m/s | 3.1 |
| 2021 | 2.4°C | -1.7°C | -5.9°C | 12.2°C | -13.8°C | 61 mm | 82% | 3.5 m/s | 3.5 |
| 2020 | 1.0°C | -2.2°C | -5.5°C | 7.5°C | -11.0°C | 45 mm | 83% | 3.2 m/s | 3.1 |
| 2019 | 0.3°C | -3.4°C | -7.1°C | 9.0°C | -17.7°C | 49 mm | 85% | 2.7 m/s | 3.5 |
| 2018 | 1.2°C | -1.4°C | -4.0°C | 6.9°C | -11.2°C | 50 mm | 87% | 3.7 m/s | 2.7 |
| 2017 | -1.0°C | -4.2°C | -7.4°C | 5.8°C | -17.5°C | 56 mm | 83% | 3.7 m/s | 3 |
| 2016 | 0.6°C | -2.7°C | -5.9°C | 7.1°C | -14.0°C | 84 mm | 84% | 3.4 m/s | 3.2 |
| 2015 ❄️ | -2.5°C | -6.4°C | -10.3°C | 2.5°C | -16.2°C | 92 mm | 92% | 3.4 m/s | 2.6 |
| 2014 | -1.8°C | -5.8°C | -9.8°C | 3.8°C | -19.8°C | 111 mm | 84% | 3.2 m/s | 2.9 |
| 2013 | 1.6°C | -0.6°C | -2.9°C | 9.4°C | -10.7°C | 54 mm | 85% | 3.3 m/s | 3 |
| 2012 | 2.9°C | 0.0°C | -2.9°C | 16.4°C | -11.0°C | 41 mm | 84% | 3.4 m/s | 3.3 |
| 2011 | 1.6°C | -1.2°C | -4.0°C | 6.8°C | -11.3°C | 28 mm | 81% | 3.9 m/s | 3.3 |
| 2010 | 2.6°C | 0.4°C | -1.9°C | 10.0°C | -6.9°C | 81 mm | 84% | 3.4 m/s | 3.4 |
| 2009 | -0.1°C | -3.7°C | -7.4°C | 6.0°C | -14.2°C | 99 mm | 87% | 3 m/s | 3 |
| 2008 | -1.1°C | -5.2°C | -9.3°C | 5.3°C | -17.6°C | 106 mm | 85% | 3.3 m/s | 3.1 |
| 2007 | 0.6°C | -2.4°C | -5.3°C | 9.4°C | -15.9°C | 43 mm | 82% | 4 m/s | 2.9 |
| 2006 | 1.6°C | -0.9°C | -3.4°C | 8.8°C | -13.3°C | 34 mm | 83% | 2.9 m/s | 3.5 |
| 2005 | 0.5°C | -2.1°C | -4.7°C | 8.3°C | -10.3°C | 98 mm | 84% | 3.8 m/s | 2.8 |
| 2004 | 0.4°C | -3.1°C | -6.5°C | 6.9°C | -12.5°C | 62 mm | 87% | 2.9 m/s | 2.8 |
| 2003 🌧️ | 0.2°C | -3.7°C | -7.6°C | 9.3°C | -16.4°C | 140 mm | 86% | 3.1 m/s | 2.5 |
| 2002 | 1.5°C | -1.8°C | -5.0°C | 8.8°C | -9.4°C | 61 mm | 79% | 3.3 m/s | 3.2 |
| 2001 | 0.1°C | -2.6°C | -5.3°C | 4.5°C | -15.8°C | 59 mm | 87% | 3.2 m/s | 2.7 |
| 2000 | 3.2°C | 0.0°C | -3.1°C | 12.0°C | -7.9°C | 85 mm | 87% | 3.2 m/s | 2.9 |
| 1999 | 4.0°C | 0.7°C | -2.6°C | 11.8°C | -8.6°C | 108 mm | 85% | 3.4 m/s | 2.9 |
| 1998 | 2.2°C | -0.7°C | -3.6°C | 11.3°C | -10.5°C | 78 mm | 87% | 3.2 m/s | 2.6 |
| 1997 | -1.3°C | -4.7°C | -8.0°C | 8.8°C | -14.7°C | 53 mm | 82% | 3.4 m/s | 3.1 |
| 1996 | 1.2°C | -2.4°C | -6.0°C | 8.3°C | -13.3°C | 59 mm | 81% | 3.2 m/s | 3 |
| 1995 | 0.8°C | -2.6°C | -6.0°C | 9.7°C | -15.9°C | 34 mm | 86% | 3.2 m/s | 2.8 |
| 1994 | 1.3°C | -2.0°C | -5.2°C | 6.9°C | -16.0°C | 94 mm | 86% | 3 m/s | 2.9 |
| 1993 | 0.6°C | -3.6°C | -7.7°C | 13.1°C | -16.2°C | 66 mm | 85% | 3.4 m/s | 3.2 |
| 1992 | -1.3°C | -5.1°C | -9.0°C | 6.6°C | -19.3°C | 45 mm | 85% | 3.4 m/s | 3.4 |
| 1991 | 2.2°C | -1.0°C | -4.1°C | 7.4°C | -10.2°C | 61 mm | 86% | 3.5 m/s | 3.5 |
| 1990 | 0.7°C | -2.8°C | -6.2°C | 9.5°C | -15.2°C | 38 mm | 80% | 3 m/s | 3.1 |
| 1989 | -0.1°C | -4.0°C | -7.9°C | 10.7°C | -18.5°C | 54 mm | 85% | 3.3 m/s | 2.9 |
| 1988 | 0.9°C | -2.5°C | -6.0°C | 9.9°C | -15.4°C | 33 mm | 84% | 3.5 m/s | 2.8 |
| 1987 | 0.0°C | -3.7°C | -7.3°C | 10.7°C | -15.3°C | 42 mm | 88% | 2.7 m/s | 3 |
| 1986 | 1.2°C | -3.3°C | -7.7°C | 13.1°C | -17.6°C | 56 mm | 86% | 3.2 m/s | 2.7 |
| 1985 | -0.4°C | -4.1°C | -7.8°C | 5.6°C | -17.8°C | 74 mm | 84% | 3.6 m/s | 3 |
| 1984 | -0.4°C | -3.3°C | -6.1°C | 11.3°C | -17.5°C | 122 mm | 86% | 4 m/s | 2.9 |
| 1983 | 1.5°C | -1.6°C | -4.6°C | 9.8°C | -12.4°C | 119 mm | 88% | 3.2 m/s | — |
| 1982 | 0.1°C | -3.4°C | -7.0°C | 7.4°C | -16.5°C | 60 mm | 86% | 3.1 m/s | — |
| 1981 | 2.5°C | 0.1°C | -2.3°C | 7.6°C | -5.6°C | 52 mm | 83% | 3.3 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 0.9°C with lows near -5.6°C (mean -2.3°C), based on 45 years of NASA POWER data.
March averages 70 mm of rainfall in Charlottetown, one of the drier months. The wettest on record was 140 mm in 2003.
The hottest March reached 16.4°C in 2012. The coldest dipped to -19.8°C in 2014.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 1.7°C. Daytime highs moved from 0.7°C to 2.4°C and overnight lows from -5.6°C to -3.9°C over the same span.
March is one of the cooler months of the year in Charlottetown and one of the drier months, so plan for around 0.9°C daytime highs and -5.6°C at night.
Not quite — March is the 3rd coolest month in Charlottetown, averaging -2.3°C.
For March in Charlottetown, pack warm layers and a jacket for chilly mornings, with typical highs of 0.9°C and lows of -5.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in March averages 85% — quite humid.
Average wind speed in March is 3.3 m/s. The windiest March on record averaged 4 m/s (1984).
The wettest March on record was 2003 with 140 mm. On average, March sees 70 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 Charlottetown 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.
