March is one of the cooler months of the year in Coquitlam, with average highs near 2.5°C and lows around -3.2°C (mean -0.4°C). It is a relatively wet time of year, averaging 239 mm of rainfall and 94% relative humidity across the period.
March is one of the cooler months of the year in Coquitlam. Across 45 years of records, the warmest March in Coquitlam was 1992 — when the month averaged 5.9°C — while the coldest was 2009 at -4°C. Typical March days reach 2.5°C with nights near -3.2°C. The long-term trend is cooling, about 0.2°C per decade.
March is a relatively wet time of year in Coquitlam, averaging 239 mm of rainfall. The wettest March on record was 2007 with 497 mm, while the driest was 1992 at 35 mm.
Relative humidity in Coquitlam during March averages 94%. The most humid March was 2017 at 99%, and the least humid was 1992 at 78%.
March receives about 2.7 kWh/m²/day of solar energy in Coquitlam. The sunniest March was 2019 at 3.6 kWh/m²/day, and the cloudiest was 2017 at 2.
Average wind speed in Coquitlam during March is 0.4 m/s. The windiest March was 1990 at 0.6 m/s, while the calmest were 2003 and 2017 at 0.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 0.0°C | 0.1°C | -1.0°C | -0.1°C | -0.6°C | -0.6°C |
| Avg High | 3.1°C | 3.3°C | 1.5°C | 2.6°C | 2.0°C | -1.1°C |
| Avg Low | -3.1°C | -3.1°C | -3.6°C | -2.9°C | -3.2°C | -0.1°C |
| Avg Rain | 220 mm | 202 mm | 262 mm | 291 mm | 201 mm | -19 mm |
March temperatures in Coquitlam have stayed relatively stable across the record.
March has ranged from a record low of -23.8°C (2009) to a record high of 17.2°C (2016).
Rainfall in March is a relatively wet time of year, averaging 239 mm, with a wettest year of 497 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.3°C per decade while lows rose 0°C per decade, narrowing the gap between day and night.
A good time to visit Coquitlam
March is a good time to visit Coquitlam, with days averaging 2.5°C and nights around -3.2°C (mean -0.4°C, cooler than Coquitlam's yearly average) and higher rainfall. August and July 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 | 1.8°C | 0.1°C | -1.6°C | 6.0°C | -7.2°C | 340 mm | 97% | 0.4 m/s | 2.3 |
| 2024 | 4.2°C | 0.6°C | -3.0°C | 14.6°C | -17.0°C | 193 mm | 91% | 0.4 m/s | 2.9 |
| 2023 | 2.2°C | -0.6°C | -3.3°C | 8.6°C | -9.6°C | 126 mm | 93% | 0.4 m/s | 2.9 |
| 2022 | 2.4°C | 0.2°C | -2.0°C | 11.0°C | -14.2°C | 198 mm | 96% | 0.5 m/s | 2.7 |
| 2021 | 0.6°C | -1.7°C | -4.0°C | 2.4°C | -12.0°C | 179 mm | 96% | 0.5 m/s | 2.7 |
| 2020 | 0.7°C | -2.3°C | -5.3°C | 6.2°C | -12.5°C | 172 mm | 96% | 0.5 m/s | 3 |
| 2019 | 3.6°C | -0.7°C | -5.0°C | 13.1°C | -16.4°C | 50 mm | 89% | 0.5 m/s | 3.6 |
| 2018 | 1.5°C | -1.4°C | -4.3°C | 6.4°C | -11.8°C | 154 mm | 96% | 0.5 m/s | 2.7 |
| 2017 | 0.3°C | -1.3°C | -2.9°C | 3.0°C | -10.6°C | 477 mm | 99% | 0.3 m/s | 2 |
| 2016 | 5.6°C | 2.7°C | -0.2°C | 17.2°C | -5.7°C | 355 mm | 91% | 0.4 m/s | 2.6 |
| 2015 | 8.0°C | 4.5°C | 0.9°C | 13.5°C | -5.9°C | 273 mm | 86% | 0.4 m/s | 2.7 |
| 2014 | 1.3°C | -0.8°C | -2.9°C | 5.7°C | -11.2°C | 361 mm | 97% | 0.4 m/s | 2.4 |
| 2013 | 0.7°C | -1.8°C | -4.4°C | 3.7°C | -12.9°C | 296 mm | 97% | 0.5 m/s | 2.8 |
| 2012 | -0.1°C | -2.5°C | -5.0°C | 3.1°C | -13.5°C | 372 mm | 98% | 0.4 m/s | 2.2 |
| 2011 | 0.4°C | -1.6°C | -3.5°C | 2.9°C | -12.8°C | 352 mm | 99% | 0.4 m/s | 2.1 |
| 2010 | 4.6°C | 1.6°C | -1.3°C | 10.9°C | -7.0°C | 223 mm | 91% | 0.4 m/s | 2.5 |
| 2009 ❄️ | -0.8°C | -4.0°C | -7.2°C | 2.3°C | -23.8°C | 229 mm | 98% | 0.4 m/s | 2.7 |
| 2008 | 0.2°C | -2.3°C | -4.8°C | 2.5°C | -12.4°C | 169 mm | 98% | 0.4 m/s | 2.5 |
| 2007 🌧️ | 1.9°C | 0.0°C | -2.0°C | 7.4°C | -9.3°C | 497 mm | 96% | 0.5 m/s | 2.2 |
| 2006 | 0.7°C | -1.9°C | -4.5°C | 5.8°C | -12.6°C | 171 mm | 98% | 0.5 m/s | 2.5 |
| 2005 | 6.6°C | 3.2°C | -0.2°C | 13.6°C | -6.6°C | 249 mm | 88% | 0.4 m/s | 2.7 |
| 2004 | 2.3°C | 0.1°C | -2.0°C | 9.9°C | -7.4°C | 226 mm | 96% | 0.5 m/s | 2.8 |
| 2003 | 3.4°C | 0.9°C | -1.6°C | 8.1°C | -10.5°C | 432 mm | 94% | 0.3 m/s | 2.1 |
| 2002 | -1.2°C | -3.9°C | -6.6°C | 2.3°C | -16.2°C | 189 mm | 98% | 0.4 m/s | 2.5 |
| 2001 | 1.5°C | -0.6°C | -2.7°C | 6.1°C | -10.1°C | 249 mm | 96% | 0.4 m/s | 2.5 |
| 2000 | 0.5°C | -1.7°C | -4.0°C | 2.2°C | -13.3°C | 211 mm | 98% | 0.4 m/s | 2.7 |
| 1999 | 0.6°C | -1.7°C | -4.0°C | 5.1°C | -12.2°C | 267 mm | 98% | 0.4 m/s | 2.5 |
| 1998 | 2.8°C | 0.2°C | -2.4°C | 7.6°C | -11.9°C | 164 mm | 94% | 0.5 m/s | 2.8 |
| 1997 | 0.1°C | -1.8°C | -3.7°C | 3.1°C | -13.3°C | 445 mm | 99% | 0.4 m/s | 2.5 |
| 1996 | 4.9°C | 1.0°C | -2.9°C | 11.6°C | -9.7°C | 113 mm | 84% | 0.5 m/s | 2.9 |
| 1995 | 4.5°C | 0.7°C | -3.1°C | 14.0°C | -10.8°C | 228 mm | 87% | 0.4 m/s | 2.8 |
| 1994 | 5.5°C | 1.5°C | -2.5°C | 16.7°C | -12.6°C | 206 mm | 89% | 0.5 m/s | 2.8 |
| 1993 | 2.4°C | -0.1°C | -2.5°C | 9.5°C | -9.3°C | 242 mm | 94% | 0.5 m/s | 2.6 |
| 1992 🔥 | 11.0°C | 5.9°C | 0.7°C | 15.9°C | -2.8°C | 35 mm | 78% | 0.5 m/s | 3.5 |
| 1991 | 0.1°C | -3.0°C | -6.2°C | 9.4°C | -14.8°C | 161 mm | 97% | 0.5 m/s | 3 |
| 1990 | 0.9°C | -2.0°C | -4.9°C | 4.3°C | -12.6°C | 162 mm | 95% | 0.6 m/s | 3.1 |
| 1989 | -0.5°C | -2.6°C | -4.7°C | 2.2°C | -18.6°C | 304 mm | 99% | 0.4 m/s | 2.5 |
| 1988 | 1.4°C | -1.0°C | -3.5°C | 4.6°C | -11.6°C | 269 mm | 95% | 0.5 m/s | 2.5 |
| 1987 | 5.0°C | 1.9°C | -1.3°C | 15.2°C | -6.2°C | 285 mm | 89% | 0.4 m/s | 2.9 |
| 1986 | 5.6°C | 2.3°C | -1.0°C | 13.0°C | -3.7°C | 276 mm | 92% | 0.4 m/s | 2.7 |
| 1985 | 0.2°C | -3.1°C | -6.4°C | 2.3°C | -14.3°C | 151 mm | 97% | 0.5 m/s | 2.9 |
| 1984 | 5.3°C | 2.1°C | -1.1°C | 11.3°C | -9.8°C | 192 mm | 91% | 0.4 m/s | 2.8 |
| 1983 | 3.7°C | 1.0°C | -1.8°C | 8.5°C | -6.0°C | 246 mm | 93% | 0.4 m/s | — |
| 1982 | 0.3°C | -3.2°C | -6.7°C | 2.7°C | -12.7°C | 124 mm | 97% | 0.5 m/s | — |
| 1981 | 7.0°C | 2.9°C | -1.2°C | 12.8°C | -6.2°C | 134 mm | 84% | 0.4 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 2.5°C with lows near -3.2°C (mean -0.4°C), based on 45 years of NASA POWER data.
March averages 239 mm of rainfall in Coquitlam, a relatively wet time of year. The wettest on record was 497 mm in 2007.
The hottest March reached 17.2°C in 2016. The coldest dipped to -23.8°C in 2009.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have fallen by about 0.2°C — but days and nights have moved in opposite directions. Overnight lows rose from -3.4°C to -2.8°C while daytime highs eased from 3.3°C to 2.2°C, narrowing the gap between day and night.
March is one of the cooler months of the year in Coquitlam and a relatively wet time of year, so plan for around 2.5°C daytime highs and -3.2°C at night.
Not quite — March is the 4th coolest month in Coquitlam, averaging -0.4°C.
For March in Coquitlam, pack warm layers and a jacket for chilly mornings, with typical highs of 2.5°C and lows of -3.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in March averages 94% — quite humid.
Average wind speed in March is 0.4 m/s. The windiest March on record averaged 0.6 m/s (1990).
The wettest March on record was 2007 with 497 mm. On average, March sees 239 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 Coquitlam 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.
