March is one of the cooler months of the year in Monroe, with average highs near 6.6°C and lows around -3.8°C (mean 1.4°C). It is about average for rainfall, averaging 95 mm of rainfall and 84% relative humidity across the period.
March is one of the cooler months of the year in Monroe. Across 45 years of records, the warmest March in Monroe was 2012 — when the month averaged 6.8°C — while the coldest was 1984 at -3.3°C. Typical March days reach 6.6°C with nights near -3.8°C. The long-term trend is warming, about 0.4°C per decade.
March is about average for rainfall in Monroe, averaging 95 mm of rainfall. The wettest March on record was 2010 with 200 mm, while the driest was 1981 at 16 mm.
Relative humidity in Monroe during March averages 84%. The most humid March was 1993 at 94%, and the least humid was 1985 at 75%.
March receives about 3.7 kWh/m²/day of solar energy in Monroe. The sunniest March was 1986 at 4.2 kWh/m²/day, and the cloudiest was 2001 at 3.1.
Average wind speed in Monroe during March is 0.5 m/s. The windiest Marchs were 2018, 2021 and 2025, among others at 0.6 m/s, while the calmest were 2022, 2023 and 2024, among others at 0.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 0.9°C | 0.9°C | 1.5°C | 1.1°C | 3.3°C | +2.4°C |
| Avg High | 6.2°C | 6.0°C | 6.7°C | 6.1°C | 8.8°C | +2.6°C |
| Avg Low | -4.3°C | -4.2°C | -3.7°C | -3.9°C | -2.1°C | +2.2°C |
| Avg Rain | 85 mm | 108 mm | 95 mm | 90 mm | 95 mm | +10 mm |
March temperatures in Monroe have risen by about 2.7°C between 1981–1985 and 2021–2025.
March has ranged from a record low of -23.4°C (1993) to a record high of 25.9°C (1998).
Rainfall in March is about average for rainfall, averaging 95 mm, with a wettest year of 200 mm.
A quieter season to visit Monroe
If your dates are flexible, the more temperate months of July and August tend to be the most comfortable for visiting Monroe. That said, March — with days averaging 6.6°C and nights around -3.8°C (mean 1.4°C) and higher rainfall (95 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 | 10.7°C | 4.6°C | -1.5°C | 22.2°C | -10.3°C | 80 mm | 77% | 0.6 m/s | 3.8 |
| 2024 | 8.8°C | 3.9°C | -1.0°C | 19.1°C | -7.1°C | 166 mm | 85% | 0.5 m/s | 3.6 |
| 2023 | 6.8°C | 2.0°C | -2.9°C | 14.3°C | -6.5°C | 83 mm | 83% | 0.5 m/s | 3.6 |
| 2022 | 7.8°C | 2.4°C | -3.1°C | 21.3°C | -13.2°C | 84 mm | 83% | 0.5 m/s | 3.5 |
| 2021 | 8.9°C | 3.0°C | -3.0°C | 21.8°C | -11.7°C | 69 mm | 80% | 0.6 m/s | 4.1 |
| 2020 | 9.6°C | 4.1°C | -1.3°C | 19.1°C | -10.0°C | 87 mm | 84% | 0.5 m/s | 3.5 |
| 2019 | 5.1°C | 0.2°C | -4.7°C | 18.6°C | -15.8°C | 66 mm | 85% | 0.5 m/s | 3.8 |
| 2018 | 3.7°C | -0.4°C | -4.5°C | 12.4°C | -11.5°C | 82 mm | 87% | 0.6 m/s | 3.5 |
| 2017 | 3.8°C | -1.0°C | -5.9°C | 16.6°C | -14.8°C | 111 mm | 82% | 0.6 m/s | 3.7 |
| 2016 | 10.6°C | 4.7°C | -1.3°C | 21.2°C | -8.9°C | 31 mm | 81% | 0.5 m/s | 4 |
| 2015 | 2.8°C | -2.1°C | -7.0°C | 13.3°C | -22.5°C | 69 mm | 84% | 0.5 m/s | 3.4 |
| 2014 | 3.1°C | -2.4°C | -7.8°C | 13.0°C | -20.0°C | 78 mm | 81% | 0.5 m/s | 3.6 |
| 2013 | 4.4°C | 0.2°C | -4.0°C | 11.3°C | -9.6°C | 63 mm | 83% | 0.5 m/s | 3.3 |
| 2012 🔥 | 12.5°C | 6.8°C | 1.1°C | 22.5°C | -7.9°C | 34 mm | 83% | 0.5 m/s | 4 |
| 2011 | 5.8°C | 0.9°C | -4.1°C | 16.5°C | -12.0°C | 169 mm | 84% | 0.5 m/s | 3.7 |
| 2010 🌧️ | 8.9°C | 4.1°C | -0.7°C | 19.1°C | -9.0°C | 200 mm | 88% | 0.5 m/s | 3.4 |
| 2009 | 7.7°C | 2.2°C | -3.2°C | 17.0°C | -14.2°C | 57 mm | 81% | 0.5 m/s | 3.8 |
| 2008 | 6.5°C | 1.5°C | -3.4°C | 14.3°C | -7.3°C | 168 mm | 84% | 0.5 m/s | 3.6 |
| 2007 | 5.6°C | 0.0°C | -5.6°C | 19.1°C | -16.8°C | 119 mm | 87% | 0.5 m/s | 3.7 |
| 2006 | 6.8°C | 1.6°C | -3.7°C | 18.8°C | -10.8°C | 22 mm | 80% | 0.6 m/s | 4.1 |
| 2005 | 3.9°C | -0.8°C | -5.5°C | 14.6°C | -12.9°C | 100 mm | 86% | 0.5 m/s | 3.4 |
| 2004 | 7.3°C | 2.4°C | -2.5°C | 18.2°C | -11.1°C | 66 mm | 86% | 0.5 m/s | 3.4 |
| 2003 | 7.2°C | 1.3°C | -4.5°C | 19.5°C | -17.9°C | 99 mm | 87% | 0.5 m/s | 3.9 |
| 2002 | 8.3°C | 3.0°C | -2.3°C | 18.2°C | -8.7°C | 85 mm | 76% | 0.5 m/s | 3.5 |
| 2001 | 4.0°C | -0.3°C | -4.5°C | 11.2°C | -9.4°C | 138 mm | 86% | 0.5 m/s | 3.1 |
| 2000 | 9.9°C | 4.2°C | -1.4°C | 21.3°C | -10.5°C | 97 mm | 82% | 0.5 m/s | 3.6 |
| 1999 | 6.5°C | 1.2°C | -4.1°C | 17.6°C | -12.5°C | 118 mm | 81% | 0.6 m/s | 4.1 |
| 1998 | 7.6°C | 2.6°C | -2.3°C | 25.9°C | -11.5°C | 99 mm | 87% | 0.5 m/s | 3.7 |
| 1997 | 5.5°C | 0.9°C | -3.7°C | 16.1°C | -11.0°C | 146 mm | 84% | 0.6 m/s | 3.4 |
| 1996 | 4.0°C | -1.0°C | -6.1°C | 13.8°C | -18.7°C | 79 mm | 84% | 0.5 m/s | 3.7 |
| 1995 | 8.5°C | 2.7°C | -3.0°C | 18.4°C | -12.4°C | 62 mm | 84% | 0.5 m/s | 3.8 |
| 1994 | 3.8°C | -0.7°C | -5.2°C | 15.8°C | -13.5°C | 140 mm | 90% | 0.5 m/s | 3.5 |
| 1993 | 2.5°C | -2.0°C | -6.5°C | 16.1°C | -23.4°C | 147 mm | 94% | 0.5 m/s | 3.3 |
| 1992 | 5.3°C | 0.1°C | -5.1°C | 15.2°C | -11.0°C | 96 mm | 82% | 0.5 m/s | 3.5 |
| 1991 | 7.6°C | 2.5°C | -2.7°C | 17.2°C | -9.7°C | 107 mm | 85% | 0.6 m/s | 3.3 |
| 1990 | 8.5°C | 2.7°C | -3.0°C | 21.2°C | -16.1°C | 84 mm | 84% | 0.5 m/s | 3.6 |
| 1989 | 5.9°C | 0.4°C | -5.1°C | 21.9°C | -17.1°C | 84 mm | 82% | 0.5 m/s | 3.6 |
| 1988 | 7.0°C | 1.4°C | -4.2°C | 18.4°C | -13.2°C | 51 mm | 82% | 0.5 m/s | 4.1 |
| 1987 | 8.3°C | 2.7°C | -2.9°C | 19.8°C | -12.7°C | 90 mm | 83% | 0.5 m/s | 3.7 |
| 1986 | 6.8°C | 1.0°C | -4.8°C | 20.5°C | -16.8°C | 79 mm | 87% | 0.5 m/s | 4.2 |
| 1985 | 8.0°C | 2.5°C | -2.9°C | 21.0°C | -9.2°C | 61 mm | 75% | 0.6 m/s | 4.1 |
| 1984 ❄️ | 1.1°C | -3.3°C | -7.7°C | 10.5°C | -19.5°C | 124 mm | 89% | 0.6 m/s | 3.5 |
| 1983 | 6.9°C | 2.3°C | -2.3°C | 15.2°C | -9.8°C | 188 mm | 84% | 0.6 m/s | — |
| 1982 | 5.7°C | 0.3°C | -5.0°C | 14.0°C | -15.3°C | 71 mm | 84% | 0.5 m/s | — |
| 1981 | 5.8°C | 0.9°C | -4.0°C | 20.0°C | -11.3°C | 16 mm | 80% | 0.5 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 6.6°C with lows near -3.8°C (mean 1.4°C), based on 45 years of NASA POWER data.
March averages 95 mm of rainfall in Monroe, about average for rainfall. The wettest on record was 200 mm in 2010.
The hottest March reached 25.9°C in 1998. The coldest dipped to -23.4°C in 1993.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 2.7°C. Daytime highs moved from 5.5°C to 8.6°C and overnight lows from -4.4°C to -2.3°C over the same span.
March is one of the cooler months of the year in Monroe and about average for rainfall, so plan for around 6.6°C daytime highs and -3.8°C at night.
Not quite — March is the 4th coolest month in Monroe, averaging 1.4°C.
For March in Monroe, pack warm layers and a jacket for chilly mornings, with typical highs of 6.6°C and lows of -3.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in March averages 84% — quite humid.
Average wind speed in March is 0.5 m/s. The windiest March on record averaged 0.6 m/s (1983).
The wettest March on record was 2010 with 200 mm. On average, March sees 95 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 Monroe 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.
