March is one of the cooler months of the year in Brunswick, with average highs near 18.9°C and lows around 14.6°C (mean 16.8°C). It is one of the drier months, averaging 93 mm of rainfall and 79% relative humidity across the period.
March is one of the cooler months of the year in Brunswick. Across 45 years of records, the warmest Marchs in Brunswick were 1997 and 2012 — when the month averaged 19.6°C — while the coldest was 2013 at 13.5°C. Typical March days reach 18.9°C with nights near 14.6°C. The long-term trend is warming, about 0.2°C per decade.
March is one of the drier months in Brunswick, averaging 93 mm of rainfall. The wettest March on record was 1983 with 280 mm, while the driest was 2006 at 16 mm.
Relative humidity in Brunswick during March averages 79%. The most humid March was 2003 at 88%, and the least humid was 1981 at 70%.
March receives about 4.8 kWh/m²/day of solar energy in Brunswick. The sunniest Marchs were 1999 and 2004 at 5.3 kWh/m²/day, and the cloudiest was 2003 at 3.6.
Average wind speed in Brunswick during March is 3.4 m/s. The windiest March was 1993 at 4.7 m/s, while the calmest were 2015 and 2020 at 2.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 16.5°C | 16.6°C | 16.6°C | 16.4°C | 18.0°C | +1.5°C |
| Avg High | 18.6°C | 18.7°C | 18.7°C | 18.6°C | 20.2°C | +1.6°C |
| Avg Low | 14.4°C | 14.6°C | 14.5°C | 14.1°C | 15.8°C | +1.4°C |
| Avg Rain | 119 mm | 110 mm | 97 mm | 61 mm | 72 mm | -47 mm |
March temperatures in Brunswick have risen by about 1.1°C between 1981–1985 and 2021–2025.
March has ranged from a record low of 2.5°C (1993) to a record high of 27.3°C (2020).
Rainfall in March is one of the drier months, averaging 93 mm, with a wettest year of 280 mm.
A good time to visit Brunswick
March is a good time to visit Brunswick, with days averaging 18.9°C and nights around 14.6°C (mean 16.8°C, cooler than Brunswick's yearly average) and higher rainfall. October and April 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 | 19.2°C | 16.6°C | 14.1°C | 25.0°C | 9.9°C | 82 mm | 79% | 3.4 m/s | 5.1 |
| 2024 | 19.7°C | 17.7°C | 15.7°C | 24.8°C | 10.3°C | 68 mm | 82% | 2.8 m/s | 4.5 |
| 2023 | 20.9°C | 18.8°C | 16.7°C | 25.8°C | 8.9°C | 46 mm | 77% | 3.4 m/s | 4.9 |
| 2022 | 20.3°C | 17.9°C | 15.6°C | 23.3°C | 6.3°C | 135 mm | 81% | 3.1 m/s | 4.8 |
| 2021 | 19.5°C | 17.4°C | 15.4°C | 24.7°C | 10.7°C | 72 mm | 81% | 3.2 m/s | 4.7 |
| 2020 | 21.7°C | 19.5°C | 17.3°C | 27.3°C | 8.6°C | 28 mm | 83% | 2.6 m/s | 4.7 |
| 2019 | 18.8°C | 16.8°C | 14.8°C | 24.4°C | 5.6°C | 31 mm | 76% | 3.4 m/s | 5 |
| 2018 | 18.2°C | 15.7°C | 13.1°C | 24.1°C | 8.4°C | 40 mm | 72% | 3.8 m/s | 5 |
| 2017 | 19.6°C | 17.5°C | 15.3°C | 25.4°C | 6.2°C | 19 mm | 73% | 3.6 m/s | 5.2 |
| 2016 | 20.2°C | 18.3°C | 16.4°C | 25.7°C | 9.7°C | 69 mm | 82% | 2.8 m/s | 4.9 |
| 2015 | 18.7°C | 16.7°C | 14.7°C | 22.7°C | 9.4°C | 45 mm | 86% | 2.6 m/s | 4.1 |
| 2014 | 17.0°C | 14.5°C | 12.0°C | 21.2°C | 6.7°C | 102 mm | 82% | 3.3 m/s | 4.5 |
| 2013 ❄️ | 16.1°C | 13.5°C | 10.9°C | 21.2°C | 5.8°C | 93 mm | 73% | 3.9 m/s | 5.2 |
| 2012 | 21.3°C | 19.6°C | 17.8°C | 25.3°C | 9.7°C | 79 mm | 82% | 3 m/s | 4.9 |
| 2011 | 19.6°C | 17.1°C | 14.7°C | 26.1°C | 8.9°C | 74 mm | 79% | 3.4 m/s | 4.8 |
| 2010 | 16.3°C | 13.9°C | 11.4°C | 21.0°C | 5.1°C | 63 mm | 78% | 3.5 m/s | 4.7 |
| 2009 | 18.0°C | 16.0°C | 14.0°C | 23.3°C | 6.5°C | 78 mm | 81% | 3.1 m/s | 4.8 |
| 2008 | 18.8°C | 16.6°C | 14.4°C | 23.4°C | 8.7°C | 54 mm | 78% | 3.6 m/s | 5.2 |
| 2007 | 19.2°C | 17.3°C | 15.3°C | 23.5°C | 7.8°C | 35 mm | 79% | 2.7 m/s | 5.2 |
| 2006 | 17.9°C | 15.9°C | 14.0°C | 22.3°C | 8.5°C | 16 mm | 75% | 3.2 m/s | 5.1 |
| 2005 | 17.4°C | 14.8°C | 12.2°C | 22.1°C | 5.4°C | 132 mm | 79% | 3.5 m/s | 4.4 |
| 2004 | 18.7°C | 16.6°C | 14.6°C | 24.5°C | 8.7°C | 27 mm | 77% | 3 m/s | 5.3 |
| 2003 | 19.5°C | 17.5°C | 15.5°C | 23.4°C | 8.0°C | 217 mm | 88% | 2.7 m/s | 3.6 |
| 2002 | 19.7°C | 17.5°C | 15.4°C | 25.5°C | 5.1°C | 96 mm | 81% | 3 m/s | 5 |
| 2001 | 18.1°C | 15.9°C | 13.7°C | 22.7°C | 8.0°C | 180 mm | 78% | 4 m/s | 4.2 |
| 2000 | 20.1°C | 18.0°C | 16.0°C | 23.1°C | 11.1°C | 137 mm | 80% | 3.5 m/s | 5.1 |
| 1999 | 18.4°C | 15.9°C | 13.4°C | 22.3°C | 7.8°C | 30 mm | 71% | 3.9 m/s | 5.3 |
| 1998 | 16.9°C | 14.8°C | 12.8°C | 21.9°C | 4.2°C | 99 mm | 81% | 3.7 m/s | 4.8 |
| 1997 🔥 | 21.5°C | 19.6°C | 17.8°C | 24.7°C | 12.9°C | 93 mm | 81% | 3.3 m/s | 4.9 |
| 1996 | 16.9°C | 14.6°C | 12.4°C | 21.8°C | 3.0°C | 123 mm | 77% | 4.3 m/s | 4.4 |
| 1995 | 19.1°C | 17.5°C | 15.8°C | 23.0°C | 8.8°C | 44 mm | 81% | 3.6 m/s | 4.6 |
| 1994 | 19.7°C | 17.4°C | 15.0°C | 24.7°C | 8.0°C | 107 mm | 79% | 3.7 m/s | 5.1 |
| 1993 | 18.5°C | 16.3°C | 14.1°C | 23.5°C | 2.5°C | 211 mm | 80% | 4.7 m/s | 4.3 |
| 1992 | 17.8°C | 15.6°C | 13.4°C | 22.5°C | 5.5°C | 129 mm | 76% | 3.3 m/s | 4.6 |
| 1991 | 18.3°C | 16.4°C | 14.6°C | 22.7°C | 9.1°C | 175 mm | 82% | 3.8 m/s | 4.6 |
| 1990 | 19.7°C | 18.0°C | 16.3°C | 23.1°C | 11.1°C | 88 mm | 81% | 2.9 m/s | 4.7 |
| 1989 | 18.5°C | 16.4°C | 14.3°C | 24.3°C | 6.6°C | 70 mm | 85% | 3.2 m/s | 4.1 |
| 1988 | 18.3°C | 16.4°C | 14.5°C | 21.2°C | 6.4°C | 86 mm | 78% | 3.8 m/s | 4.7 |
| 1987 | 17.9°C | 16.2°C | 14.5°C | 21.4°C | 8.9°C | 126 mm | 81% | 4.1 m/s | 4.3 |
| 1986 | 18.8°C | 16.8°C | 14.8°C | 23.5°C | 6.0°C | 101 mm | 77% | 3.9 m/s | 4.9 |
| 1985 | 20.9°C | 18.7°C | 16.4°C | 26.2°C | 10.3°C | 51 mm | 73% | 3.6 m/s | 4.8 |
| 1984 | 18.2°C | 16.0°C | 13.8°C | 22.7°C | 5.2°C | 180 mm | 77% | 3.4 m/s | 4.9 |
| 1983 🌧️ | 17.6°C | 15.1°C | 12.7°C | 21.2°C | 5.2°C | 280 mm | 82% | 4 m/s | — |
| 1982 | 19.7°C | 17.7°C | 15.7°C | 25.0°C | 6.8°C | 92 mm | 81% | 2.8 m/s | — |
| 1981 | 17.9°C | 15.5°C | 13.1°C | 22.0°C | 8.5°C | 88 mm | 70% | 3.7 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 18.9°C with lows near 14.6°C (mean 16.8°C), based on 45 years of NASA POWER data.
March averages 93 mm of rainfall in Brunswick, one of the drier months. The wettest on record was 280 mm in 1983.
The hottest March reached 27.3°C in 2020. The coldest dipped to 2.5°C in 1993.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 1.1°C. Daytime highs moved from 18.9°C to 19.9°C and overnight lows from 14.3°C to 15.5°C over the same span.
March is one of the cooler months of the year in Brunswick and one of the drier months, so plan for around 18.9°C daytime highs and 14.6°C at night.
Not quite — March is the 4th coolest month in Brunswick, averaging 16.8°C.
For March in Brunswick, pack light layers you can adjust through the day, with typical highs of 18.9°C and lows of 14.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in March averages 79% — quite humid.
Average wind speed in March is 3.4 m/s. The windiest March on record averaged 4.7 m/s (1993).
The wettest March on record was 1983 with 280 mm. On average, March sees 93 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 Brunswick 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.
