March is one of the cooler months of the year in Hanover, with average highs near 1°C and lows around -9.8°C (mean -4.4°C). It is one of the drier months, averaging 26 mm of rainfall and 81% relative humidity across the period.
March is one of the cooler months of the year in Hanover. Across 45 years of records, the warmest March in Hanover was 2012 — when the month averaged 3.7°C — while the coldest was 2014 at -10.8°C. Typical March days reach 1°C with nights near -9.8°C. The long-term March temperature trend is broadly flat.
March is one of the drier months in Hanover, averaging 26 mm of rainfall. The wettest March on record was 2004 with 87 mm, while the driest was 2021 at 8 mm.
Relative humidity in Hanover during March averages 81%. The most humid March was 1997 at 95%, and the least humid was 2021 at 66%.
March receives about 3.9 kWh/m²/day of solar energy in Hanover. The sunniest March was 2023 at 4.7 kWh/m²/day, and the cloudiest were 1988, 1993 and 2012 at 3.4.
Average wind speed in Hanover during March is 3.7 m/s. The windiest Marchs were 1982 and 2017 at 4.4 m/s, while the calmest were 2005 and 2006 at 3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | -5.0°C | -4.1°C | -5.2°C | -3.8°C | -4.0°C | +1°C |
| Avg High | 0.2°C | 1.1°C | 0.3°C | 1.8°C | 1.8°C | +1.6°C |
| Avg Low | -10.1°C | -9.2°C | -10.6°C | -9.4°C | -9.8°C | +0.3°C |
| Avg Rain | 30 mm | 23 mm | 37 mm | 22 mm | 15 mm | -15 mm |
March temperatures in Hanover have risen by about 0.3°C between 1981–1985 and 2021–2025.
March has ranged from a record low of -39.2°C (2014) to a record high of 26.1°C (2012).
Rainfall in March is one of the drier months, averaging 26 mm, with a wettest year of 87 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.2°C per decade while lows rose 0°C per decade, widening the gap between day and night.
A quieter season to visit Hanover
If your dates are flexible, the more temperate months of July and August tend to be the most comfortable for visiting Hanover. That said, March — with days averaging 1°C and nights around -9.8°C (mean -4.4°C) and low rainfall (26 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 | 2.3°C | -3.6°C | -9.5°C | 12.9°C | -25.5°C | 21 mm | 75% | 3.5 m/s | 3.8 |
| 2024 | 0.7°C | -4.8°C | -10.2°C | 13.2°C | -17.4°C | 18 mm | 73% | 4.2 m/s | 3.7 |
| 2023 | -1.8°C | -7.1°C | -12.4°C | 7.6°C | -23.2°C | 10 mm | 81% | 4 m/s | 4.7 |
| 2022 | -1.5°C | -7.1°C | -12.7°C | 10.3°C | -28.9°C | 21 mm | 85% | 3.8 m/s | 4.3 |
| 2021 | 8.3°C | 1.7°C | -4.9°C | 21.6°C | -23.8°C | 8 mm | 66% | 4.2 m/s | 3.9 |
| 2020 | 2.9°C | -3.0°C | -8.9°C | 16.2°C | -20.7°C | 12 mm | 77% | 4.1 m/s | 4.2 |
| 2019 | -1.4°C | -6.6°C | -11.9°C | 15.2°C | -33.3°C | 11 mm | 87% | 3.6 m/s | 4.5 |
| 2018 | 2.7°C | -2.3°C | -7.2°C | 13.0°C | -14.5°C | 18 mm | 76% | 3.4 m/s | 4 |
| 2017 | 1.8°C | -4.2°C | -10.3°C | 17.3°C | -25.3°C | 18 mm | 74% | 4.4 m/s | 3.8 |
| 2016 | 5.8°C | 0.0°C | -5.7°C | 18.6°C | -21.9°C | 23 mm | 73% | 3.2 m/s | 3.7 |
| 2015 | 3.4°C | -2.4°C | -8.3°C | 18.1°C | -29.3°C | 18 mm | 77% | 3.9 m/s | 4 |
| 2014 ❄️ | -5.0°C | -10.8°C | -16.5°C | 5.5°C | -39.2°C | 22 mm | 88% | 3.6 m/s | 4.3 |
| 2013 | -4.3°C | -9.5°C | -14.6°C | 1.9°C | -29.5°C | 28 mm | 94% | 3.1 m/s | 4.6 |
| 2012 🔥 | 10.1°C | 3.7°C | -2.6°C | 26.1°C | -16.7°C | 39 mm | 75% | 4.2 m/s | 3.4 |
| 2011 | -1.4°C | -6.9°C | -12.5°C | 8.6°C | -33.0°C | 21 mm | 84% | 3.2 m/s | 4 |
| 2010 | 6.1°C | 1.1°C | -4.0°C | 20.5°C | -13.5°C | 18 mm | 81% | 3.1 m/s | 3.5 |
| 2009 | -2.5°C | -7.7°C | -12.8°C | 10.6°C | -28.8°C | 51 mm | 90% | 3.9 m/s | 3.6 |
| 2008 | -0.7°C | -5.7°C | -10.7°C | 7.4°C | -30.0°C | 26 mm | 79% | 4 m/s | 4.2 |
| 2007 | 1.8°C | -3.8°C | -9.4°C | 18.5°C | -30.1°C | 55 mm | 85% | 3.8 m/s | 3.8 |
| 2006 | 0.0°C | -5.0°C | -10.0°C | 13.4°C | -17.5°C | 47 mm | 92% | 3 m/s | 3.7 |
| 2005 | -0.4°C | -6.0°C | -11.5°C | 14.9°C | -25.0°C | 18 mm | 89% | 3 m/s | 4.4 |
| 2004 🌧️ | 1.7°C | -3.9°C | -9.5°C | 17.3°C | -22.2°C | 87 mm | 84% | 4.2 m/s | 4 |
| 2003 | -0.9°C | -7.3°C | -13.7°C | 16.8°C | -38.8°C | 20 mm | 83% | 3.5 m/s | 3.6 |
| 2002 | -3.6°C | -8.7°C | -13.7°C | 11.3°C | -25.3°C | 17 mm | 74% | 3.9 m/s | 4.1 |
| 2001 | 1.0°C | -4.5°C | -10.1°C | 10.1°C | -20.1°C | 18 mm | 83% | 3.6 m/s | 4.1 |
| 2000 | 6.4°C | 0.7°C | -5.0°C | 17.8°C | -15.5°C | 32 mm | 70% | 3.8 m/s | 3.6 |
| 1999 | 4.7°C | -0.6°C | -5.9°C | 15.3°C | -17.5°C | 21 mm | 73% | 3.8 m/s | 4 |
| 1998 | 1.6°C | -3.3°C | -8.2°C | 18.2°C | -24.7°C | 13 mm | 77% | 3.3 m/s | 4.1 |
| 1997 | -3.8°C | -8.3°C | -12.8°C | 9.9°C | -24.9°C | 24 mm | 95% | 3.5 m/s | 4.4 |
| 1996 | -5.2°C | -10.3°C | -15.4°C | 3.1°C | -33.7°C | 25 mm | 88% | 3.7 m/s | 4.4 |
| 1995 | 0.5°C | -4.2°C | -9.0°C | 11.9°C | -35.0°C | 29 mm | 85% | 3.8 m/s | 3.6 |
| 1994 | 4.3°C | -1.0°C | -6.2°C | 13.3°C | -16.8°C | 18 mm | 73% | 3.9 m/s | 3.9 |
| 1993 | 3.2°C | -2.3°C | -7.8°C | 16.4°C | -21.3°C | 12 mm | 77% | 3.9 m/s | 3.4 |
| 1992 | 1.4°C | -3.5°C | -8.4°C | 9.7°C | -19.8°C | 22 mm | 80% | 3.2 m/s | 3.9 |
| 1991 | 2.5°C | -3.2°C | -9.0°C | 16.3°C | -30.4°C | 24 mm | 75% | 4 m/s | 3.6 |
| 1990 | 1.5°C | -3.9°C | -9.3°C | 18.0°C | -22.7°C | 40 mm | 80% | 4.3 m/s | 3.5 |
| 1989 | -5.2°C | -10.4°C | -15.6°C | 3.5°C | -33.5°C | 37 mm | 93% | 3.1 m/s | 3.9 |
| 1988 | -0.1°C | -5.1°C | -10.1°C | 9.7°C | -21.2°C | 40 mm | 78% | 4.1 m/s | 3.4 |
| 1987 | 0.3°C | -4.2°C | -8.7°C | 12.0°C | -24.1°C | 23 mm | 87% | 3.5 m/s | 4 |
| 1986 | 3.0°C | -2.5°C | -8.1°C | 18.1°C | -27.7°C | 21 mm | 81% | 3.8 m/s | 4 |
| 1985 | 2.6°C | -2.8°C | -8.2°C | 12.5°C | -22.4°C | 15 mm | 82% | 3.9 m/s | 3.9 |
| 1984 | -1.8°C | -7.6°C | -13.4°C | 10.9°C | -30.2°C | 13 mm | 85% | 3.3 m/s | 3.5 |
| 1983 | 0.1°C | -4.2°C | -8.4°C | 10.8°C | -19.7°C | 61 mm | 85% | 3.8 m/s | — |
| 1982 | -2.4°C | -7.6°C | -12.8°C | 11.1°C | -25.1°C | 36 mm | 85% | 4.4 m/s | — |
| 1981 | 5.4°C | -0.3°C | -6.0°C | 15.1°C | -16.6°C | 20 mm | 72% | 3.4 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 1°C with lows near -9.8°C (mean -4.4°C), based on 45 years of NASA POWER data.
March averages 26 mm of rainfall in Hanover, one of the drier months. The wettest on record was 87 mm in 2004.
The hottest March reached 26.1°C in 2012. The coldest dipped to -39.2°C in 2014.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 0.3°C — but days and nights have moved in opposite directions. Daytime highs rose from 0.8°C to 1.6°C while overnight lows fell from -9.8°C to -9.9°C, widening the gap between day and night.
March is one of the cooler months of the year in Hanover and one of the drier months, so plan for around 1°C daytime highs and -9.8°C at night.
Not quite — March is the 4th coolest month in Hanover, averaging -4.4°C.
For March in Hanover, pack warm layers and a jacket for chilly mornings, with typical highs of 1°C and lows of -9.8°C.
Relative humidity in March averages 81% — quite humid.
Average wind speed in March is 3.7 m/s. The windiest March on record averaged 4.4 m/s (1982).
The wettest March on record was 2004 with 87 mm. On average, March sees 26 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 Hanover 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.
