March is one of the cooler months of the year in Chambersburg, with average highs near 9°C and lows around -1.8°C (mean 3.6°C). It is about average for rainfall, averaging 86 mm of rainfall and 81% relative humidity across the period.
March is one of the cooler months of the year in Chambersburg. Across 45 years of records, the warmest March in Chambersburg was 2012 — when the month averaged 9.3°C — while the coldest was 1984 at -0.7°C. Typical March days reach 9°C with nights near -1.8°C. The long-term trend is warming, about 0.5°C per decade.
March is about average for rainfall in Chambersburg, averaging 86 mm of rainfall. The wettest March on record was 1993 with 192 mm, while the driest was 2006 at 16 mm.
Relative humidity in Chambersburg during March averages 81%. The most humid March was 1993 at 92%, and the least humid was 2025 at 75%.
March receives about 3.8 kWh/m²/day of solar energy in Chambersburg. The sunniest March was 1986 at 4.5 kWh/m²/day, and the cloudiest was 1993 at 3.1.
Average wind speed in Chambersburg during March is 1.5 m/s. The windiest Marchs were 1997 and 1999 at 1.7 m/s, while the calmest were 2009, 2012 and 2020, among others at 1.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 2.9°C | 2.8°C | 3.7°C | 3.5°C | 5.8°C | +2.9°C |
| Avg High | 8.4°C | 7.9°C | 9.2°C | 8.8°C | 11.8°C | +3.4°C |
| Avg Low | -2.5°C | -2.4°C | -1.8°C | -1.8°C | -0.1°C | +2.4°C |
| Avg Rain | 77 mm | 107 mm | 84 mm | 82 mm | 72 mm | -5 mm |
March temperatures in Chambersburg have risen by about 3.2°C between 1981–1985 and 2021–2025.
March has ranged from a record low of -21.5°C (1993) to a record high of 26°C (1998).
Rainfall in March is about average for rainfall, averaging 86 mm, with a wettest year of 192 mm.
A quieter season to visit Chambersburg
If your dates are flexible, the more temperate months of August and June tend to be the most comfortable for visiting Chambersburg. That said, March — with days averaging 9°C and nights around -1.8°C (mean 3.6°C) and higher rainfall (86 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 | 13.5°C | 6.7°C | -0.1°C | 26.0°C | -7.4°C | 43 mm | 75% | 1.6 m/s | 4.2 |
| 2024 | 11.5°C | 6.0°C | 0.6°C | 22.9°C | -4.7°C | 107 mm | 82% | 1.5 m/s | 4.1 |
| 2023 | 10.0°C | 4.4°C | -1.1°C | 18.2°C | -6.5°C | 72 mm | 78% | 1.6 m/s | 4 |
| 2022 | 11.5°C | 5.6°C | -0.4°C | 22.4°C | -9.4°C | 60 mm | 78% | 1.6 m/s | 3.8 |
| 2021 | 11.6°C | 5.5°C | -0.6°C | 20.6°C | -8.9°C | 60 mm | 78% | 1.5 m/s | 4.3 |
| 2020 | 12.6°C | 6.8°C | 1.1°C | 22.5°C | -7.5°C | 91 mm | 81% | 1.3 m/s | 3.6 |
| 2019 | 7.1°C | 1.9°C | -3.3°C | 20.2°C | -13.7°C | 106 mm | 84% | 1.4 m/s | 3.9 |
| 2018 | 6.0°C | 1.4°C | -3.1°C | 18.5°C | -7.4°C | 59 mm | 82% | 1.6 m/s | 3.8 |
| 2017 | 8.2°C | 2.9°C | -2.3°C | 20.5°C | -12.8°C | 101 mm | 79% | 1.6 m/s | 3.9 |
| 2016 | 12.8°C | 7.0°C | 1.3°C | 23.1°C | -5.3°C | 38 mm | 81% | 1.4 m/s | 3.8 |
| 2015 | 6.8°C | 1.1°C | -4.6°C | 19.4°C | -19.9°C | 81 mm | 81% | 1.4 m/s | 3.7 |
| 2014 | 6.0°C | 0.5°C | -4.9°C | 17.8°C | -14.0°C | 72 mm | 80% | 1.5 m/s | 3.7 |
| 2013 | 5.8°C | 1.4°C | -2.9°C | 13.1°C | -9.3°C | 59 mm | 81% | 1.5 m/s | 3.6 |
| 2012 🔥 | 15.2°C | 9.3°C | 3.5°C | 25.5°C | -5.2°C | 47 mm | 82% | 1.3 m/s | 4.1 |
| 2011 | 8.5°C | 3.3°C | -2.0°C | 21.7°C | -7.4°C | 149 mm | 82% | 1.5 m/s | 3.9 |
| 2010 | 11.5°C | 6.1°C | 0.6°C | 20.5°C | -5.6°C | 108 mm | 83% | 1.5 m/s | 3.8 |
| 2009 | 9.4°C | 3.9°C | -1.6°C | 19.2°C | -12.4°C | 37 mm | 80% | 1.3 m/s | 3.6 |
| 2008 | 8.9°C | 3.5°C | -1.9°C | 15.5°C | -8.1°C | 115 mm | 82% | 1.5 m/s | 3.9 |
| 2007 | 9.4°C | 3.6°C | -2.3°C | 23.0°C | -13.1°C | 101 mm | 83% | 1.5 m/s | 3.9 |
| 2006 | 9.7°C | 4.1°C | -1.6°C | 24.0°C | -6.3°C | 16 mm | 77% | 1.4 m/s | 4.4 |
| 2005 | 5.9°C | 1.1°C | -3.6°C | 15.0°C | -12.8°C | 112 mm | 85% | 1.4 m/s | 3.4 |
| 2004 | 10.3°C | 4.9°C | -0.6°C | 23.3°C | -5.1°C | 59 mm | 83% | 1.4 m/s | 3.8 |
| 2003 | 9.3°C | 3.5°C | -2.4°C | 21.0°C | -13.5°C | 85 mm | 86% | 1.3 m/s | 3.8 |
| 2002 | 9.9°C | 4.3°C | -1.2°C | 22.3°C | -9.4°C | 108 mm | 75% | 1.5 m/s | 3.6 |
| 2001 | 7.0°C | 1.9°C | -3.2°C | 11.5°C | -9.3°C | 106 mm | 80% | 1.6 m/s | 3.5 |
| 2000 | 12.6°C | 6.4°C | 0.2°C | 24.2°C | -6.6°C | 102 mm | 78% | 1.5 m/s | 3.8 |
| 1999 | 7.0°C | 1.5°C | -4.0°C | 19.5°C | -13.7°C | 93 mm | 80% | 1.7 m/s | 4.2 |
| 1998 | 8.9°C | 4.5°C | 0.0°C | 26.0°C | -9.8°C | 113 mm | 85% | 1.4 m/s | 3.9 |
| 1997 | 8.6°C | 3.5°C | -1.6°C | 18.5°C | -6.1°C | 106 mm | 83% | 1.7 m/s | 3.5 |
| 1996 | 5.4°C | 0.4°C | -4.7°C | 16.9°C | -13.7°C | 114 mm | 82% | 1.4 m/s | 3.7 |
| 1995 | 11.1°C | 4.7°C | -1.8°C | 20.4°C | -10.6°C | 30 mm | 78% | 1.4 m/s | 3.7 |
| 1994 | 5.7°C | 1.3°C | -3.1°C | 20.6°C | -9.2°C | 161 mm | 89% | 1.5 m/s | 3.6 |
| 1993 🌧️ | 4.4°C | -0.2°C | -4.8°C | 16.3°C | -21.5°C | 192 mm | 92% | 1.4 m/s | 3.1 |
| 1992 | 7.3°C | 2.3°C | -2.8°C | 16.8°C | -10.7°C | 117 mm | 83% | 1.5 m/s | 3.7 |
| 1991 | 9.6°C | 4.5°C | -0.5°C | 18.3°C | -5.7°C | 103 mm | 84% | 1.6 m/s | 3.5 |
| 1990 | 11.0°C | 5.3°C | -0.4°C | 23.9°C | -9.6°C | 43 mm | 80% | 1.3 m/s | 3.7 |
| 1989 | 8.0°C | 2.5°C | -3.0°C | 24.0°C | -13.0°C | 106 mm | 85% | 1.4 m/s | 3.5 |
| 1988 | 9.6°C | 3.8°C | -1.9°C | 21.2°C | -10.7°C | 47 mm | 78% | 1.4 m/s | 4.2 |
| 1987 | 10.4°C | 4.5°C | -1.5°C | 21.0°C | -10.5°C | 43 mm | 79% | 1.4 m/s | 4.3 |
| 1986 | 9.6°C | 3.3°C | -2.9°C | 23.6°C | -13.7°C | 70 mm | 81% | 1.5 m/s | 4.5 |
| 1985 | 9.4°C | 3.7°C | -1.9°C | 22.3°C | -6.1°C | 95 mm | 78% | 1.6 m/s | 3.9 |
| 1984 ❄️ | 3.8°C | -0.7°C | -5.3°C | 13.7°C | -12.8°C | 126 mm | 87% | 1.5 m/s | 3.9 |
| 1983 | 9.5°C | 4.4°C | -0.7°C | 19.1°C | -6.6°C | 107 mm | 80% | 1.6 m/s | — |
| 1982 | 7.8°C | 2.7°C | -2.4°C | 17.3°C | -10.3°C | 67 mm | 83% | 1.5 m/s | — |
| 1981 | 7.3°C | 2.0°C | -3.3°C | 21.6°C | -7.7°C | 35 mm | 78% | 1.5 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 9°C with lows near -1.8°C (mean 3.6°C), based on 45 years of NASA POWER data.
March averages 86 mm of rainfall in Chambersburg, about average for rainfall. The wettest on record was 192 mm in 1993.
The hottest March reached 26°C in 1998. The coldest dipped to -21.5°C in 1993.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 3.2°C. Daytime highs moved from 7.6°C to 11.6°C and overnight lows from -2.7°C to -0.3°C over the same span.
March is one of the cooler months of the year in Chambersburg and about average for rainfall, so plan for around 9°C daytime highs and -1.8°C at night.
Not quite — March is the 4th coolest month in Chambersburg, averaging 3.6°C.
For March in Chambersburg, pack warm layers and a jacket for chilly mornings, with typical highs of 9°C and lows of -1.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in March averages 81% — quite humid.
Average wind speed in March is 1.5 m/s. The windiest March on record averaged 1.7 m/s (1997).
The wettest March on record was 1993 with 192 mm. On average, March sees 86 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 Chambersburg 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.
