March is one of the cooler months of the year in Bangor, with average highs near 8.3°C and lows around 5.2°C (mean 6.8°C). It is about average for rainfall, averaging 94 mm of rainfall and 87% relative humidity across the period.
March is one of the cooler months of the year in Bangor. Across 45 years of records, the warmest March in Bangor was 2012 — when the month averaged 8.5°C — while the coldest was 2013 at 3.5°C. Typical March days reach 8.3°C with nights near 5.2°C. The long-term trend is warming, about 0.2°C per decade.
March is about average for rainfall in Bangor, averaging 94 mm of rainfall. The wettest March on record was 2019 with 211 mm, while the driest was 2025 at 21 mm.
Relative humidity in Bangor during March averages 87%. The most humid March was 1981 at 90%, and the least humid was 1995 at 84%.
March receives about 2.5 kWh/m²/day of solar energy in Bangor. The sunniest Marchs were 2003, 2020 and 2022 at 3 kWh/m²/day, and the cloudiest were 1991 and 1996 at 2.1.
Average wind speed in Bangor during March is 5.4 m/s. The windiest March was 1994 at 7.3 m/s, while the calmest was 2011 at 3.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 6.0°C | 7.0°C | 6.9°C | 6.5°C | 7.5°C | +1.5°C |
| Avg High | 7.4°C | 8.5°C | 8.5°C | 8.2°C | 9.2°C | +1.8°C |
| Avg Low | 4.6°C | 5.5°C | 5.3°C | 4.8°C | 5.8°C | +1.2°C |
| Avg Rain | 112 mm | 89 mm | 79 mm | 97 mm | 94 mm | -18 mm |
March temperatures in Bangor have risen by about 1.6°C between 1981–1985 and 2021–2025.
March has ranged from a record low of -3.6°C (2018) to a record high of 16.1°C (2012).
Rainfall in March is about average for rainfall, averaging 94 mm, with a wettest year of 211 mm.
A quieter season to visit Bangor
If your dates are flexible, the more temperate months of July and August tend to be the most comfortable for visiting Bangor. That said, March — with days averaging 8.3°C and nights around 5.2°C (mean 6.8°C) and higher rainfall (94 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 | 10.1°C | 8.2°C | 6.2°C | 14.9°C | 2.0°C | 21 mm | 85% | 4.1 m/s | 2.9 |
| 2024 | 9.2°C | 7.7°C | 6.2°C | 11.0°C | 3.7°C | 123 mm | 89% | 5.5 m/s | 2.4 |
| 2023 | 8.3°C | 7.1°C | 5.9°C | 11.3°C | 1.8°C | 151 mm | 87% | 5.7 m/s | 2.3 |
| 2022 | 10.2°C | 8.0°C | 5.8°C | 14.6°C | 2.3°C | 43 mm | 84% | 4.5 m/s | 3 |
| 2021 | 8.8°C | 7.3°C | 5.8°C | 14.0°C | 2.3°C | 125 mm | 87% | 5.3 m/s | 2.5 |
| 2020 | 8.5°C | 6.7°C | 4.9°C | 12.7°C | 2.6°C | 99 mm | 85% | 5.7 m/s | 3 |
| 2019 🌧️ | 9.1°C | 7.6°C | 6.1°C | 10.4°C | 4.2°C | 211 mm | 87% | 6 m/s | 2.5 |
| 2018 | 6.5°C | 4.9°C | 3.3°C | 10.3°C | -3.6°C | 127 mm | 87% | 5.3 m/s | 2.4 |
| 2017 | 9.6°C | 7.9°C | 6.3°C | 12.2°C | 2.9°C | 137 mm | 89% | 5.2 m/s | 2.6 |
| 2016 | 7.9°C | 6.2°C | 4.5°C | 11.4°C | 2.4°C | 89 mm | 86% | 4.8 m/s | 2.6 |
| 2015 | 7.9°C | 6.2°C | 4.4°C | 10.1°C | 2.0°C | 102 mm | 86% | 5.8 m/s | 2.7 |
| 2014 | 9.2°C | 7.4°C | 5.6°C | 14.1°C | 2.8°C | 69 mm | 88% | 5.2 m/s | 2.5 |
| 2013 ❄️ | 5.1°C | 3.5°C | 2.0°C | 10.0°C | -0.8°C | 72 mm | 84% | 5.2 m/s | 2.2 |
| 2012 🔥 | 10.3°C | 8.5°C | 6.8°C | 16.1°C | 4.9°C | 33 mm | 86% | 3.8 m/s | 2.6 |
| 2011 | 8.8°C | 7.0°C | 5.1°C | 13.8°C | 1.9°C | 49 mm | 86% | 3.6 m/s | 2.9 |
| 2010 | 7.6°C | 5.9°C | 4.3°C | 10.3°C | 0.0°C | 85 mm | 87% | 4.3 m/s | 2.7 |
| 2009 | 8.5°C | 6.9°C | 5.3°C | 12.3°C | 1.9°C | 63 mm | 87% | 5.2 m/s | 2.7 |
| 2008 | 8.1°C | 6.6°C | 5.1°C | 10.6°C | 3.0°C | 123 mm | 84% | 6.8 m/s | 2.6 |
| 2007 | 9.1°C | 7.4°C | 5.7°C | 12.3°C | 2.0°C | 79 mm | 86% | 5.8 m/s | 2.6 |
| 2006 | 7.0°C | 5.5°C | 4.0°C | 10.2°C | 0.9°C | 139 mm | 86% | 6 m/s | 2.2 |
| 2005 | 9.0°C | 7.5°C | 5.9°C | 15.4°C | 0.6°C | 70 mm | 88% | 5 m/s | 2.4 |
| 2004 | 8.3°C | 6.7°C | 5.2°C | 13.2°C | 1.7°C | 83 mm | 87% | 5.6 m/s | 2.7 |
| 2003 | 9.8°C | 7.7°C | 5.6°C | 13.9°C | 2.0°C | 49 mm | 86% | 4.5 m/s | 3 |
| 2002 | 9.2°C | 7.6°C | 6.0°C | 11.5°C | 2.4°C | 48 mm | 87% | 5.3 m/s | 2.7 |
| 2001 | 6.9°C | 5.4°C | 4.0°C | 10.2°C | -0.7°C | 78 mm | 86% | 5 m/s | 2.7 |
| 2000 | 8.8°C | 7.3°C | 5.9°C | 10.6°C | 2.8°C | 59 mm | 87% | 4.7 m/s | 2.6 |
| 1999 | 8.3°C | 7.1°C | 5.8°C | 12.5°C | 2.1°C | 116 mm | 89% | 5.5 m/s | 2.6 |
| 1998 | 9.5°C | 8.1°C | 6.7°C | 13.4°C | 4.3°C | 153 mm | 89% | 5.3 m/s | 2.3 |
| 1997 | 9.5°C | 7.9°C | 6.4°C | 13.3°C | 3.3°C | 47 mm | 89% | 5.2 m/s | 2.5 |
| 1996 | 7.2°C | 5.3°C | 3.4°C | 10.5°C | 0.0°C | 72 mm | 86% | 4.9 m/s | 2.1 |
| 1995 | 7.3°C | 5.8°C | 4.3°C | 11.2°C | 1.1°C | 92 mm | 84% | 6.6 m/s | 2.2 |
| 1994 | 8.1°C | 6.8°C | 5.4°C | 10.4°C | 2.6°C | 134 mm | 88% | 7.3 m/s | 2.4 |
| 1993 | 8.0°C | 6.5°C | 4.9°C | 12.1°C | 1.6°C | 34 mm | 87% | 5.4 m/s | 2.3 |
| 1992 | 8.6°C | 7.3°C | 5.9°C | 10.7°C | 3.3°C | 113 mm | 88% | 6.9 m/s | 2.2 |
| 1991 | 8.9°C | 7.2°C | 5.6°C | 11.4°C | 2.8°C | 103 mm | 90% | 4.4 m/s | 2.1 |
| 1990 | 9.2°C | 7.7°C | 6.3°C | 13.2°C | 2.0°C | 28 mm | 86% | 6.7 m/s | 2.4 |
| 1989 | 8.7°C | 7.2°C | 5.6°C | 10.9°C | 1.6°C | 138 mm | 86% | 6.7 m/s | 2.5 |
| 1988 | 7.8°C | 6.5°C | 5.3°C | 10.1°C | 2.0°C | 125 mm | 89% | 5.8 m/s | 2.3 |
| 1987 | 6.5°C | 4.9°C | 3.4°C | 9.9°C | 0.0°C | 118 mm | 86% | 5.9 m/s | 2.2 |
| 1986 | 6.6°C | 5.0°C | 3.5°C | 8.8°C | -0.8°C | 106 mm | 89% | 6.6 m/s | 2.5 |
| 1985 | 6.5°C | 5.2°C | 3.9°C | 9.6°C | 0.3°C | 67 mm | 86% | 5.4 m/s | 2.5 |
| 1984 | 6.5°C | 5.1°C | 3.7°C | 9.2°C | 1.1°C | 46 mm | 86% | 4.2 m/s | 2.3 |
| 1983 | 7.6°C | 6.4°C | 5.1°C | 9.6°C | 2.7°C | 100 mm | 89% | 5.6 m/s | — |
| 1982 | 8.1°C | 6.4°C | 4.7°C | 10.8°C | 2.9°C | 121 mm | 85% | 5.9 m/s | — |
| 1981 | 8.7°C | 7.4°C | 6.1°C | 10.9°C | 2.0°C | 188 mm | 90% | 6.2 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 8.3°C with lows near 5.2°C (mean 6.8°C), based on 45 years of NASA POWER data.
March averages 94 mm of rainfall in Bangor, about average for rainfall. The wettest on record was 211 mm in 2019.
The hottest March reached 16.1°C in 2012. The coldest dipped to -3.6°C in 2018.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 1.6°C. Daytime highs moved from 7.5°C to 9.3°C and overnight lows from 4.7°C to 6°C over the same span.
March is one of the cooler months of the year in Bangor and about average for rainfall, so plan for around 8.3°C daytime highs and 5.2°C at night.
Not quite — March is the 3rd coolest month in Bangor, averaging 6.8°C.
For March in Bangor, pack warm layers and a jacket for chilly mornings, with typical highs of 8.3°C and lows of 5.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in March averages 87% — quite humid.
Average wind speed in March is 5.4 m/s. The windiest March on record averaged 7.3 m/s (1994).
The wettest March on record was 2019 with 211 mm. On average, March sees 94 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 Bangor 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.
