March is one of the warmer months of the year in Salem, with average highs near 37.9°C and lows around 21.8°C (mean 29.9°C). It is one of the drier months, averaging 15 mm of rainfall and 49% relative humidity across the period.
March is one of the warmer months of the year in Salem. Across 45 years of records, the warmest March in Salem was 1988 — when the month averaged 31.5°C — while the coldest was 2008 at 26.5°C. Typical March days reach 37.9°C with nights near 21.8°C. The long-term March temperature trend is broadly flat.
March is one of the drier months in Salem, averaging 15 mm of rainfall. The wettest March on record was 2008 with 129 mm, while the driest were 1992, 2007 and 2024, among others at 0 mm.
Relative humidity in Salem during March averages 49%. The most humid March was 2008 at 68%, and the least humid was 1992 at 36%.
March receives about 6.5 kWh/m²/day of solar energy in Salem. The sunniest March was 1999 at 7 kWh/m²/day, and the cloudiest was 2008 at 5.3.
Average wind speed in Salem during March is 2 m/s. The windiest March was 2014 at 2.5 m/s, while the calmest were 1984 and 2006 at 1.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 29.6°C | 30.2°C | 29.5°C | 30.1°C | 29.8°C | +0.2°C |
| Avg High | 37.6°C | 38.7°C | 37.2°C | 38.0°C | 37.7°C | +0.1°C |
| Avg Low | 21.6°C | 21.6°C | 21.8°C | 22.1°C | 21.8°C | +0.2°C |
| Avg Rain | 20 mm | 5 mm | 25 mm | 11 mm | 16 mm | -4 mm |
March temperatures in Salem have stayed relatively stable across the record.
March has ranged from a record low of 14.2°C (2008) to a record high of 42.2°C (2001).
Rainfall in March is one of the drier months, averaging 15 mm, with a wettest year of 129 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.1°C per decade while lows rose 0.1°C per decade, narrowing the gap between day and night.
A quieter season to visit Salem
If your dates are flexible, the more temperate months of January and December tend to be the most comfortable for visiting Salem. That said, March — with days averaging 37.9°C and nights around 21.8°C (mean 29.9°C) and low rainfall (15 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 37.4°C | 29.8°C | 22.2°C | 40.3°C | 18.1°C | 29 mm | 55% | 2 m/s | 6.3 |
| 2024 | 39.1°C | 30.6°C | 22.1°C | 40.6°C | 19.1°C | 0 mm | 43% | 2.1 m/s | 6.6 |
| 2023 | 36.8°C | 29.2°C | 21.5°C | 39.5°C | 16.0°C | 25 mm | 54% | 2.3 m/s | 6.2 |
| 2022 | 37.2°C | 29.3°C | 21.3°C | 40.2°C | 16.8°C | 29 mm | 52% | 2.1 m/s | 5.9 |
| 2021 | 37.2°C | 28.9°C | 20.6°C | 42.1°C | 16.9°C | 8 mm | 54% | 2.1 m/s | 6.8 |
| 2020 | 38.5°C | 30.7°C | 22.9°C | 40.1°C | 20.5°C | 3 mm | 48% | 2.2 m/s | 6.5 |
| 2019 | 39.3°C | 31.3°C | 23.2°C | 41.2°C | 20.5°C | 4 mm | 44% | 2.2 m/s | 6.8 |
| 2018 | 37.1°C | 29.2°C | 21.3°C | 39.4°C | 16.9°C | 21 mm | 50% | 2 m/s | 6.3 |
| 2017 | 36.5°C | 29.2°C | 22.0°C | 39.8°C | 16.6°C | 44 mm | 56% | 1.8 m/s | 5.9 |
| 2016 | 38.7°C | 31.1°C | 23.4°C | 41.0°C | 20.3°C | 4 mm | 49% | 2 m/s | 6.5 |
| 2015 | 37.4°C | 29.7°C | 22.1°C | 39.5°C | 19.6°C | 15 mm | 51% | 2.2 m/s | 6.3 |
| 2014 | 37.6°C | 29.3°C | 21.1°C | 40.4°C | 17.0°C | 1 mm | 46% | 2.5 m/s | 6.4 |
| 2013 | 37.9°C | 30.0°C | 22.0°C | 40.4°C | 17.5°C | 13 mm | 50% | 2.3 m/s | 6.3 |
| 2012 | 38.8°C | 31.0°C | 23.2°C | 40.7°C | 19.8°C | 2 mm | 46% | 2 m/s | 6.4 |
| 2011 | 37.4°C | 28.9°C | 20.3°C | 40.0°C | 15.4°C | 1 mm | 52% | 2 m/s | 6.9 |
| 2010 | 39.3°C | 30.9°C | 22.6°C | 41.0°C | 17.7°C | 1 mm | 45% | 2.1 m/s | 6.7 |
| 2009 | 37.2°C | 29.0°C | 20.9°C | 39.8°C | 18.6°C | 25 mm | 50% | 1.8 m/s | 6.3 |
| 2008 ❄️ 🌧️ | 32.8°C | 26.5°C | 20.2°C | 36.6°C | 14.2°C | 129 mm | 68% | 2 m/s | 5.3 |
| 2007 | 38.6°C | 30.4°C | 22.1°C | 40.6°C | 20.3°C | 0 mm | 45% | 1.9 m/s | 6.7 |
| 2006 | 35.4°C | 28.6°C | 21.8°C | 39.0°C | 19.1°C | 50 mm | 63% | 1.6 m/s | 6.3 |
| 2005 | 37.5°C | 30.3°C | 23.1°C | 40.5°C | 18.6°C | 19 mm | 51% | 1.8 m/s | 6.3 |
| 2004 | 39.1°C | 30.5°C | 21.9°C | 41.6°C | 16.9°C | 1 mm | 43% | 2.2 m/s | 6.9 |
| 2003 | 37.9°C | 30.0°C | 22.2°C | 39.9°C | 17.3°C | 24 mm | 50% | 2.1 m/s | 6.6 |
| 2002 | 38.1°C | 29.7°C | 21.4°C | 40.7°C | 16.9°C | 1 mm | 49% | 2.1 m/s | 6.7 |
| 2001 | 38.6°C | 31.0°C | 23.3°C | 42.2°C | 19.2°C | 1 mm | 42% | 1.8 m/s | 6.4 |
| 2000 | 37.2°C | 29.2°C | 21.2°C | 40.5°C | 15.3°C | 0 mm | 52% | 1.9 m/s | 6.8 |
| 1999 | 39.3°C | 30.6°C | 21.8°C | 41.9°C | 16.3°C | 1 mm | 41% | 2 m/s | 7 |
| 1998 | 39.1°C | 30.7°C | 22.4°C | 41.5°C | 20.1°C | 1 mm | 47% | 2 m/s | 6.4 |
| 1997 | 38.0°C | 29.6°C | 21.2°C | 40.4°C | 15.8°C | 8 mm | 47% | 1.9 m/s | 6.4 |
| 1996 | 38.6°C | 29.7°C | 20.7°C | 41.5°C | 16.5°C | 1 mm | 42% | 2 m/s | 6.6 |
| 1995 | 37.9°C | 29.6°C | 21.3°C | 41.1°C | 18.5°C | 8 mm | 46% | 2.2 m/s | 6.4 |
| 1994 | 38.2°C | 29.4°C | 20.5°C | 41.6°C | 14.5°C | 2 mm | 49% | 2 m/s | 6.7 |
| 1993 | 38.1°C | 30.3°C | 22.4°C | 40.5°C | 17.6°C | 14 mm | 46% | 2.1 m/s | 6.4 |
| 1992 | 39.3°C | 29.4°C | 19.4°C | 40.8°C | 16.9°C | 0 mm | 36% | 1.9 m/s | 6.9 |
| 1991 | 39.5°C | 31.1°C | 22.8°C | 41.0°C | 20.3°C | 0 mm | 43% | 2.1 m/s | 6.6 |
| 1990 | 38.5°C | 31.1°C | 23.8°C | 40.6°C | 20.6°C | 16 mm | 47% | 2.1 m/s | 6.1 |
| 1989 | 37.7°C | 29.2°C | 20.8°C | 40.3°C | 16.5°C | 17 mm | 44% | 2.2 m/s | 6.5 |
| 1988 🔥 | 39.0°C | 31.5°C | 24.1°C | 41.9°C | 19.3°C | 7 mm | 45% | 1.9 m/s | 6.2 |
| 1987 | 37.4°C | 29.3°C | 21.3°C | 39.4°C | 17.1°C | 27 mm | 46% | 2 m/s | 6.7 |
| 1986 | 37.2°C | 29.5°C | 21.7°C | 41.2°C | 17.8°C | 27 mm | 53% | 2.1 m/s | 6.6 |
| 1985 | 37.8°C | 29.8°C | 21.9°C | 39.9°C | 17.1°C | 3 mm | 47% | 1.9 m/s | 6.8 |
| 1984 | 33.7°C | 26.7°C | 19.7°C | 37.2°C | 17.2°C | 48 mm | 67% | 1.6 m/s | 6 |
| 1983 | 39.8°C | 31.1°C | 22.3°C | 41.3°C | 19.8°C | 0 mm | 40% | 1.9 m/s | — |
| 1982 | 38.8°C | 30.0°C | 21.2°C | 40.7°C | 18.4°C | 8 mm | 45% | 2 m/s | — |
| 1981 | 37.1°C | 29.2°C | 21.4°C | 38.8°C | 17.3°C | 38 mm | 52% | 2 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 37.9°C with lows near 21.8°C (mean 29.9°C), based on 45 years of NASA POWER data.
March averages 15 mm of rainfall in Salem, one of the drier months. The wettest on record was 129 mm in 2008.
The hottest March reached 42.2°C in 2001. The coldest dipped to 14.2°C in 2008.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 0.2°C. Daytime highs moved from 37.4°C to 37.5°C and overnight lows from 21.3°C to 21.5°C over the same span.
March is one of the warmer months of the year in Salem and one of the drier months, so plan for around 37.9°C daytime highs and 21.8°C at night.
Not quite — March is the 10th coolest month in Salem, averaging 29.9°C.
For March in Salem, pack light, breathable clothing and sun protection, with typical highs of 37.9°C and lows of 21.8°C.
Relative humidity in March averages 49% — relatively dry.
Average wind speed in March is 2 m/s. The windiest March on record averaged 2.5 m/s (2014).
The wettest March on record was 2008 with 129 mm. On average, March sees 15 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 Salem 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.
