April is one of the warmer months of the year in Salem, with average highs near 38.5°C and lows around 24.8°C (mean 31.7°C). It is one of the drier months, averaging 35 mm of rainfall and 51% relative humidity across the period.
April is one of the warmer months of the year in Salem. Across 45 years of records, the warmest April in Salem was 2016 — when the month averaged 33.5°C — while the coldest was 2005 at 29°C. Typical April days reach 38.5°C with nights near 24.8°C. The long-term April temperature trend is broadly flat.
April is one of the drier months in Salem, averaging 35 mm of rainfall. The wettest April on record was 2015 with 122 mm, while the driest was 1983 at 0 mm.
Relative humidity in Salem during April averages 51%. The most humid April was 2005 at 69%, and the least humid was 1983 at 40%.
April receives about 6.4 kWh/m²/day of solar energy in Salem. The sunniest April was 2002 at 7 kWh/m²/day, and the cloudiest was 2005 at 5.8.
Average wind speed in Salem during April is 1.9 m/s. The windiest April was 2024 at 2.3 m/s, while the calmest was 2005 at 1.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 31.7°C | 31.7°C | 31.2°C | 32.1°C | 31.5°C | -0.2°C |
| Avg High | 38.9°C | 38.7°C | 37.8°C | 38.7°C | 38.2°C | -0.7°C |
| Avg Low | 24.6°C | 24.7°C | 24.5°C | 25.3°C | 24.6°C | 0°C |
| Avg Rain | 20 mm | 34 mm | 41 mm | 40 mm | 40 mm | +20 mm |
April temperatures in Salem have fallen by about 0.3°C between 1981–1985 and 2021–2025.
April has ranged from a record low of 19.9°C (1993) to a record high of 43.7°C (2016).
Rainfall in April is one of the drier months, averaging 35 mm, with a wettest year of 122 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, April — with days averaging 38.5°C and nights around 24.8°C (mean 31.7°C) and moderate rainfall (35 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 | 37.0°C | 30.7°C | 24.3°C | 38.9°C | 22.7°C | 54 mm | 59% | 1.5 m/s | 6.2 |
| 2024 | 41.2°C | 33.4°C | 25.5°C | 42.9°C | 23.1°C | 5 mm | 45% | 2.3 m/s | 6.9 |
| 2023 | 38.4°C | 31.5°C | 24.5°C | 41.3°C | 21.9°C | 28 mm | 49% | 2 m/s | 6.4 |
| 2022 | 37.0°C | 30.6°C | 24.2°C | 39.5°C | 22.7°C | 71 mm | 60% | 1.7 m/s | 6.3 |
| 2021 | 37.1°C | 30.8°C | 24.6°C | 42.6°C | 22.2°C | 55 mm | 57% | 1.7 m/s | 6.1 |
| 2020 | 38.7°C | 31.7°C | 24.7°C | 41.2°C | 22.1°C | 28 mm | 51% | 2.1 m/s | 6.4 |
| 2019 | 39.4°C | 32.1°C | 24.7°C | 41.4°C | 22.7°C | 43 mm | 48% | 2 m/s | 6.7 |
| 2018 | 38.8°C | 32.0°C | 25.2°C | 41.1°C | 22.8°C | 26 mm | 51% | 2.1 m/s | 6.3 |
| 2017 | 40.2°C | 33.0°C | 25.7°C | 42.0°C | 22.6°C | 24 mm | 45% | 1.8 m/s | 6.4 |
| 2016 🔥 | 40.5°C | 33.5°C | 26.5°C | 43.7°C | 23.8°C | 7 mm | 46% | 2.1 m/s | 6.8 |
| 2015 🌧️ | 35.8°C | 29.9°C | 24.0°C | 39.9°C | 21.5°C | 122 mm | 62% | 1.7 m/s | 6.3 |
| 2014 | 39.6°C | 32.5°C | 25.3°C | 41.3°C | 21.4°C | 2 mm | 43% | 2 m/s | 6.6 |
| 2013 | 39.1°C | 32.8°C | 26.5°C | 41.4°C | 24.7°C | 10 mm | 46% | 2.2 m/s | 6.4 |
| 2012 | 38.1°C | 31.5°C | 24.9°C | 41.7°C | 23.1°C | 44 mm | 51% | 1.9 m/s | 6.6 |
| 2011 | 36.7°C | 30.5°C | 24.3°C | 40.2°C | 22.0°C | 89 mm | 55% | 1.9 m/s | 6.3 |
| 2010 | 39.0°C | 32.7°C | 26.4°C | 42.0°C | 24.4°C | 33 mm | 47% | 1.9 m/s | 6.4 |
| 2009 | 38.5°C | 31.5°C | 24.5°C | 41.5°C | 21.7°C | 28 mm | 51% | 1.8 m/s | 6.4 |
| 2008 | 36.4°C | 29.5°C | 22.5°C | 40.1°C | 20.2°C | 13 mm | 62% | 1.8 m/s | 6.6 |
| 2007 | 38.2°C | 31.3°C | 24.5°C | 41.1°C | 22.4°C | 41 mm | 54% | 1.9 m/s | 6.6 |
| 2006 | 38.5°C | 31.5°C | 24.5°C | 42.6°C | 21.6°C | 26 mm | 50% | 1.7 m/s | 6.5 |
| 2005 ❄️ | 34.3°C | 29.0°C | 23.7°C | 40.7°C | 21.5°C | 119 mm | 69% | 1.4 m/s | 5.8 |
| 2004 | 38.8°C | 32.4°C | 26.1°C | 43.1°C | 23.4°C | 15 mm | 47% | 1.9 m/s | 6.4 |
| 2003 | 38.7°C | 32.0°C | 25.2°C | 41.8°C | 22.9°C | 25 mm | 48% | 2 m/s | 6.5 |
| 2002 | 40.3°C | 32.8°C | 25.3°C | 42.3°C | 23.3°C | 4 mm | 45% | 2.2 m/s | 7 |
| 2001 | 35.8°C | 29.8°C | 23.9°C | 39.7°C | 21.7°C | 116 mm | 61% | 1.7 m/s | 6.3 |
| 2000 | 38.7°C | 31.9°C | 25.2°C | 43.0°C | 22.8°C | 23 mm | 49% | 1.7 m/s | 6.7 |
| 1999 | 38.6°C | 31.5°C | 24.4°C | 42.4°C | 20.0°C | 47 mm | 51% | 2.2 m/s | 6.5 |
| 1998 | 40.4°C | 33.2°C | 25.9°C | 43.4°C | 22.8°C | 10 mm | 45% | 2.1 m/s | 6.3 |
| 1997 | 37.1°C | 30.4°C | 23.8°C | 39.7°C | 21.2°C | 44 mm | 53% | 1.6 m/s | 6.1 |
| 1996 | 35.8°C | 29.8°C | 23.9°C | 41.1°C | 21.7°C | 118 mm | 62% | 1.7 m/s | 6.1 |
| 1995 | 38.8°C | 31.9°C | 25.0°C | 41.4°C | 22.9°C | 5 mm | 48% | 2.1 m/s | 6.5 |
| 1994 | 35.9°C | 29.8°C | 23.6°C | 39.8°C | 19.9°C | 80 mm | 61% | 1.6 m/s | 6.2 |
| 1993 | 39.9°C | 32.2°C | 24.5°C | 41.7°C | 19.9°C | 11 mm | 44% | 2.1 m/s | 6.7 |
| 1992 | 40.2°C | 32.4°C | 24.6°C | 42.7°C | 20.4°C | 5 mm | 42% | 2.1 m/s | 6.5 |
| 1991 | 39.9°C | 32.8°C | 25.8°C | 43.1°C | 23.5°C | 5 mm | 43% | 2.1 m/s | 6.5 |
| 1990 | 40.7°C | 33.2°C | 25.7°C | 43.0°C | 23.8°C | 12 mm | 43% | 2.2 m/s | 6.4 |
| 1989 | 39.9°C | 32.2°C | 24.5°C | 42.1°C | 21.5°C | 11 mm | 42% | 2 m/s | 6.5 |
| 1988 | 37.1°C | 30.9°C | 24.6°C | 40.3°C | 22.3°C | 52 mm | 56% | 1.8 m/s | 6.1 |
| 1987 | 39.5°C | 32.1°C | 24.8°C | 42.2°C | 20.0°C | 15 mm | 45% | 2 m/s | 6.3 |
| 1986 | 39.4°C | 32.1°C | 24.8°C | 41.1°C | 22.7°C | 3 mm | 46% | 2.1 m/s | 6.9 |
| 1985 | 39.0°C | 32.0°C | 25.0°C | 42.9°C | 22.4°C | 25 mm | 48% | 1.9 m/s | 6.7 |
| 1984 | 36.2°C | 29.7°C | 23.1°C | 41.3°C | 21.0°C | 38 mm | 62% | 1.7 m/s | 5.9 |
| 1983 | 40.7°C | 32.9°C | 25.1°C | 42.1°C | 21.4°C | 0 mm | 40% | 2.2 m/s | — |
| 1982 | 38.7°C | 31.7°C | 24.7°C | 41.3°C | 21.5°C | 23 mm | 49% | 1.9 m/s | — |
| 1981 | 39.6°C | 32.1°C | 24.6°C | 42.1°C | 20.8°C | 14 mm | 46% | 2.1 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 38.5°C with lows near 24.8°C (mean 31.7°C), based on 45 years of NASA POWER data.
April averages 35 mm of rainfall in Salem, one of the drier months. The wettest on record was 122 mm in 2015.
The hottest April reached 43.7°C in 2016. The coldest dipped to 19.9°C in 1993.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have fallen by about 0.3°C — but days and nights have moved in opposite directions. Overnight lows rose from 24.5°C to 24.6°C while daytime highs eased from 38.8°C to 38.1°C, narrowing the gap between day and night.
April is one of the warmer months of the year in Salem and one of the drier months, so plan for around 38.5°C daytime highs and 24.8°C at night.
Not quite — April is the 12th coolest month in Salem, averaging 31.7°C.
For April in Salem, pack light, breathable clothing and sun protection, with typical highs of 38.5°C and lows of 24.8°C.
Relative humidity in April averages 51% — relatively dry.
Average wind speed in April is 1.9 m/s. The windiest April on record averaged 2.3 m/s (2024).
The wettest April on record was 2015 with 122 mm. On average, April sees 35 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 April, 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 April specifically, along with year-by-year records and how the month has changed over the decades.
