March is one of the cooler months of the year in Dumfries, with average highs near 7.1°C and lows around 2.4°C (mean 4.8°C). It is about average for rainfall, averaging 97 mm of rainfall and 91% relative humidity across the period.
March is one of the cooler months of the year in Dumfries. Across 45 years of records, the warmest March in Dumfries was 2012 — when the month averaged 7.1°C — while the coldest was 2013 at 1.4°C. Typical March days reach 7.1°C with nights near 2.4°C. The long-term trend is warming, about 0.3°C per decade.
March is about average for rainfall in Dumfries, averaging 97 mm of rainfall. The wettest March on record was 1994 with 155 mm, while the driest was 2012 at 39 mm.
Relative humidity in Dumfries during March averages 91%. The most humid March was 1991 at 93%, and the least humid was 2013 at 88%.
March receives about 2.1 kWh/m²/day of solar energy in Dumfries. The sunniest Marchs were 2003, 2022 and 2025 at 2.7 kWh/m²/day, and the cloudiest were 1991, 1994 and 1996, among others at 1.7.
Average wind speed in Dumfries during March is 4.6 m/s. The windiest March was 1994 at 6.6 m/s, while the calmest was 2011 at 3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 3.9°C | 5.0°C | 4.9°C | 4.7°C | 5.6°C | +1.7°C |
| Avg High | 6.1°C | 7.2°C | 7.3°C | 7.1°C | 8.3°C | +2.2°C |
| Avg Low | 1.7°C | 2.7°C | 2.4°C | 2.2°C | 3.0°C | +1.3°C |
| Avg Rain | 114 mm | 103 mm | 87 mm | 89 mm | 91 mm | -23 mm |
March temperatures in Dumfries have risen by about 1.7°C between 1981–1985 and 2021–2025.
March has ranged from a record low of -6.4°C (1986) to a record high of 15.7°C (2022).
Rainfall in March is about average for rainfall, averaging 97 mm, with a wettest year of 155 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.4°C per decade while lows rose 0.2°C per decade, widening the gap between day and night.
A quieter season to visit Dumfries
If your dates are flexible, the more temperate months of July and August tend to be the most comfortable for visiting Dumfries. That said, March — with days averaging 7.1°C and nights around 2.4°C (mean 4.8°C) and higher rainfall (97 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 | 9.5°C | 6.4°C | 3.3°C | 13.5°C | -1.3°C | 42 mm | 89% | 3.8 m/s | 2.7 |
| 2024 | 8.1°C | 5.9°C | 3.8°C | 11.7°C | 0.7°C | 125 mm | 92% | 4.6 m/s | 2 |
| 2023 | 7.3°C | 4.9°C | 2.5°C | 11.0°C | -2.4°C | 135 mm | 91% | 4.2 m/s | 2.2 |
| 2022 | 9.2°C | 6.0°C | 2.7°C | 15.7°C | -0.6°C | 55 mm | 89% | 3.7 m/s | 2.7 |
| 2021 | 8.1°C | 5.8°C | 3.4°C | 13.6°C | -0.7°C | 104 mm | 91% | 4.4 m/s | 2.4 |
| 2020 | 7.5°C | 4.7°C | 2.0°C | 12.4°C | -0.9°C | 86 mm | 90% | 4.7 m/s | 2.4 |
| 2019 | 7.9°C | 5.6°C | 3.4°C | 10.4°C | 0.0°C | 151 mm | 91% | 5.1 m/s | 2.3 |
| 2018 | 5.2°C | 2.9°C | 0.6°C | 8.7°C | -3.5°C | 79 mm | 90% | 4.6 m/s | 1.9 |
| 2017 | 8.4°C | 5.9°C | 3.4°C | 12.8°C | -0.1°C | 133 mm | 91% | 4.1 m/s | 2.3 |
| 2016 | 7.2°C | 4.6°C | 1.9°C | 11.1°C | -1.9°C | 74 mm | 91% | 3.6 m/s | 2.3 |
| 2015 | 7.0°C | 4.4°C | 1.8°C | 10.0°C | -1.0°C | 105 mm | 90% | 5.1 m/s | 2.2 |
| 2014 | 7.9°C | 5.6°C | 3.2°C | 12.1°C | -0.5°C | 91 mm | 91% | 4.9 m/s | 2.2 |
| 2013 ❄️ | 3.6°C | 1.4°C | -0.7°C | 7.4°C | -3.0°C | 57 mm | 88% | 4.5 m/s | 1.8 |
| 2012 🔥 | 9.8°C | 7.1°C | 4.4°C | 15.4°C | 0.1°C | 39 mm | 90% | 3.5 m/s | 2.6 |
| 2011 | 7.6°C | 4.9°C | 2.1°C | 12.8°C | -1.0°C | 66 mm | 92% | 3 m/s | 2.3 |
| 2010 | 6.6°C | 4.1°C | 1.7°C | 10.0°C | -4.8°C | 99 mm | 91% | 3.8 m/s | 2.2 |
| 2009 | 7.4°C | 5.1°C | 2.8°C | 11.8°C | -0.8°C | 81 mm | 91% | 4.8 m/s | 2.6 |
| 2008 | 6.5°C | 4.1°C | 1.8°C | 9.2°C | -2.0°C | 116 mm | 89% | 5.6 m/s | 2.3 |
| 2007 | 8.1°C | 5.5°C | 3.0°C | 12.2°C | -2.3°C | 90 mm | 91% | 5.3 m/s | 2.3 |
| 2006 | 5.2°C | 3.0°C | 0.9°C | 10.0°C | -2.7°C | 152 mm | 90% | 4.3 m/s | 2 |
| 2005 | 8.3°C | 5.9°C | 3.6°C | 13.0°C | -1.3°C | 73 mm | 92% | 4.3 m/s | 1.9 |
| 2004 | 7.4°C | 5.0°C | 2.5°C | 11.6°C | -1.6°C | 79 mm | 91% | 4.5 m/s | 2.1 |
| 2003 | 8.9°C | 5.8°C | 2.7°C | 13.7°C | -1.3°C | 56 mm | 90% | 3.7 m/s | 2.7 |
| 2002 | 8.1°C | 5.4°C | 2.7°C | 11.5°C | -1.4°C | 74 mm | 91% | 4.7 m/s | 2.3 |
| 2001 | 5.4°C | 3.0°C | 0.5°C | 10.1°C | -4.6°C | 65 mm | 90% | 4.1 m/s | 2.3 |
| 2000 | 8.1°C | 5.7°C | 3.3°C | 11.0°C | -1.5°C | 80 mm | 91% | 4.4 m/s | 2 |
| 1999 | 7.3°C | 5.1°C | 2.9°C | 10.8°C | -1.6°C | 98 mm | 92% | 4.5 m/s | 2.1 |
| 1998 | 8.3°C | 5.9°C | 3.5°C | 12.3°C | -1.3°C | 110 mm | 92% | 4.3 m/s | 1.9 |
| 1997 | 8.5°C | 6.2°C | 3.9°C | 11.9°C | -1.2°C | 86 mm | 92% | 4.8 m/s | 2 |
| 1996 | 5.6°C | 2.9°C | 0.2°C | 9.1°C | -2.5°C | 62 mm | 90% | 4.2 m/s | 1.7 |
| 1995 | 5.2°C | 3.1°C | 1.0°C | 10.6°C | -3.8°C | 99 mm | 90% | 5.2 m/s | 2 |
| 1994 🌧️ | 6.4°C | 4.5°C | 2.5°C | 9.8°C | -0.8°C | 155 mm | 91% | 6.6 m/s | 1.7 |
| 1993 | 6.9°C | 4.6°C | 2.4°C | 11.3°C | -1.8°C | 72 mm | 91% | 4.9 m/s | 1.9 |
| 1992 | 7.3°C | 5.3°C | 3.3°C | 10.6°C | -0.5°C | 140 mm | 91% | 5.7 m/s | 1.9 |
| 1991 | 8.0°C | 5.7°C | 3.3°C | 10.7°C | -0.7°C | 121 mm | 93% | 3.8 m/s | 1.7 |
| 1990 | 8.2°C | 6.2°C | 4.2°C | 12.2°C | -1.5°C | 85 mm | 91% | 6.5 m/s | 1.8 |
| 1989 | 7.0°C | 4.8°C | 2.6°C | 10.6°C | -2.7°C | 143 mm | 91% | 5.5 m/s | 1.9 |
| 1988 | 6.3°C | 4.2°C | 2.0°C | 9.6°C | -2.1°C | 114 mm | 91% | 4.5 m/s | 1.9 |
| 1987 | 4.7°C | 2.5°C | 0.3°C | 8.5°C | -2.8°C | 129 mm | 91% | 4.9 m/s | 2.2 |
| 1986 | 5.2°C | 3.2°C | 1.2°C | 8.2°C | -6.4°C | 116 mm | 92% | 5.5 m/s | 2.1 |
| 1985 | 5.5°C | 3.2°C | 0.9°C | 9.4°C | -2.4°C | 70 mm | 90% | 4.1 m/s | 1.7 |
| 1984 | 5.3°C | 2.9°C | 0.5°C | 8.5°C | -1.9°C | 62 mm | 90% | 3.4 m/s | 1.8 |
| 1983 | 6.7°C | 4.8°C | 3.0°C | 11.0°C | -0.6°C | 129 mm | 93% | 5 m/s | — |
| 1982 | 6.7°C | 4.4°C | 2.1°C | 11.2°C | -0.8°C | 117 mm | 91% | 5 m/s | — |
| 1981 | 7.2°C | 5.0°C | 2.8°C | 11.2°C | -1.6°C | 143 mm | 92% | 4.8 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 7.1°C with lows near 2.4°C (mean 4.8°C), based on 45 years of NASA POWER data.
March averages 97 mm of rainfall in Dumfries, about average for rainfall. The wettest on record was 155 mm in 1994.
The hottest March reached 15.7°C in 2022. The coldest dipped to -6.4°C in 1986.
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 6.3°C to 8.4°C and overnight lows from 1.9°C to 3.1°C over the same span.
March is one of the cooler months of the year in Dumfries and about average for rainfall, so plan for around 7.1°C daytime highs and 2.4°C at night.
Not quite — March is the 4th coolest month in Dumfries, averaging 4.8°C.
For March in Dumfries, pack warm layers and a jacket for chilly mornings, with typical highs of 7.1°C and lows of 2.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in March averages 91% — quite humid.
Average wind speed in March is 4.6 m/s. The windiest March on record averaged 6.6 m/s (1994).
The wettest March on record was 1994 with 155 mm. On average, March sees 97 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 Dumfries 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.