April is one of the cooler months of the year in Amherst, with average highs near 7.8°C and lows around -0.7°C (mean 3.6°C). It is about average for rainfall, averaging 72 mm of rainfall and 82% relative humidity across the period.
April is one of the cooler months of the year in Amherst. Across 45 years of records, the warmest April in Amherst was 2010 — when the month averaged 5.6°C — while the coldest was 2015 at 1.1°C. Typical April days reach 7.8°C with nights near -0.7°C. The long-term trend is warming, about 0.2°C per decade.
April is about average for rainfall in Amherst, averaging 72 mm of rainfall. The wettest April on record was 1984 with 140 mm, while the driest was 1992 at 28 mm.
Relative humidity in Amherst during April averages 82%. The most humid April was 1984 at 88%, and the least humid was 2016 at 77%.
April receives about 4.4 kWh/m²/day of solar energy in Amherst. The sunniest April was 2016 at 5.2 kWh/m²/day, and the cloudiest was 2000 at 3.4.
Average wind speed in Amherst during April is 1 m/s. The windiest Aprils were 1982 and 2007 at 1.2 m/s, while the calmest were 2004, 2017 and 2023, among others at 0.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 3.4°C | 3.2°C | 3.3°C | 3.7°C | 4.2°C | +0.8°C |
| Avg High | 7.6°C | 7.5°C | 7.5°C | 8.0°C | 8.5°C | +0.9°C |
| Avg Low | -0.8°C | -1.2°C | -0.8°C | -0.5°C | 0.0°C | +0.8°C |
| Avg Rain | 80 mm | 60 mm | 94 mm | 67 mm | 54 mm | -26 mm |
April temperatures in Amherst have risen by about 1.5°C between 1981–1985 and 2021–2025.
April has ranged from a record low of -12°C (2015) to a record high of 20.1°C (2004).
Rainfall in April is about average for rainfall, averaging 72 mm, with a wettest year of 140 mm.
A good time to visit Amherst
April is a good time to visit Amherst, with days averaging 7.8°C and nights around -0.7°C (mean 3.6°C, cooler than Amherst's yearly average) and moderate rainfall. August and July are marginally more temperate, but April still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 8.3°C | 4.3°C | 0.3°C | 15.7°C | -4.6°C | 67 mm | 80% | 1 m/s | 4.1 |
| 2024 | 8.9°C | 4.4°C | -0.2°C | 16.1°C | -3.6°C | 41 mm | 79% | 1.1 m/s | 4.9 |
| 2023 | 9.4°C | 4.7°C | 0.0°C | 16.8°C | -5.7°C | 29 mm | 79% | 0.8 m/s | 4.7 |
| 2022 | 8.5°C | 4.4°C | 0.3°C | 12.4°C | -4.2°C | 78 mm | 82% | 0.9 m/s | 4.2 |
| 2021 | 8.8°C | 4.9°C | 1.0°C | 17.4°C | -4.2°C | 66 mm | 83% | 1 m/s | 4.3 |
| 2020 | 7.0°C | 2.7°C | -1.6°C | 13.5°C | -4.6°C | 42 mm | 77% | 1 m/s | 5.1 |
| 2019 | 7.2°C | 3.3°C | -0.6°C | 15.9°C | -6.3°C | 129 mm | 82% | 1 m/s | 3.7 |
| 2018 | 7.6°C | 3.1°C | -1.3°C | 16.6°C | -7.5°C | 71 mm | 77% | 0.9 m/s | 4.3 |
| 2017 | 9.1°C | 4.5°C | -0.1°C | 18.1°C | -7.0°C | 50 mm | 83% | 0.8 m/s | 4.2 |
| 2016 | 7.6°C | 2.9°C | -1.9°C | 18.1°C | -9.9°C | 46 mm | 77% | 1.1 m/s | 5.2 |
| 2015 ❄️ | 4.9°C | 1.1°C | -2.6°C | 12.9°C | -12.0°C | 80 mm | 87% | 1 m/s | 4.5 |
| 2014 | 7.3°C | 3.3°C | -0.8°C | 16.7°C | -5.5°C | 86 mm | 84% | 1 m/s | 4.1 |
| 2013 | 8.3°C | 3.7°C | -0.9°C | 16.9°C | -5.2°C | 37 mm | 77% | 1 m/s | 4.7 |
| 2012 | 10.0°C | 5.5°C | 1.1°C | 18.7°C | -2.9°C | 54 mm | 81% | 1 m/s | 4.6 |
| 2011 | 8.1°C | 4.1°C | 0.1°C | 18.0°C | -4.4°C | 70 mm | 82% | 1 m/s | 4.1 |
| 2010 🔥 | 9.5°C | 5.6°C | 1.7°C | 16.5°C | -2.1°C | 49 mm | 85% | 0.9 m/s | 4.4 |
| 2009 | 8.2°C | 4.3°C | 0.3°C | 18.9°C | -8.4°C | 89 mm | 84% | 1 m/s | 4.6 |
| 2008 | 8.8°C | 4.1°C | -0.6°C | 16.9°C | -4.6°C | 53 mm | 82% | 0.9 m/s | 4.8 |
| 2007 | 6.1°C | 2.3°C | -1.5°C | 15.4°C | -5.4°C | 77 mm | 80% | 1.2 m/s | 4.2 |
| 2006 | 8.3°C | 4.0°C | -0.4°C | 15.8°C | -3.4°C | 119 mm | 81% | 0.9 m/s | 4.5 |
| 2005 | 9.0°C | 4.5°C | -0.1°C | 15.2°C | -3.8°C | 96 mm | 81% | 0.9 m/s | 4.5 |
| 2004 | 7.7°C | 3.5°C | -0.7°C | 20.1°C | -4.1°C | 109 mm | 83% | 0.8 m/s | 4.1 |
| 2003 | 6.2°C | 1.6°C | -3.0°C | 17.4°C | -10.7°C | 92 mm | 81% | 0.9 m/s | 4.8 |
| 2002 | 6.8°C | 2.9°C | -0.9°C | 13.6°C | -3.7°C | 136 mm | 80% | 1 m/s | 3.9 |
| 2001 | 5.8°C | 2.2°C | -1.5°C | 16.3°C | -4.5°C | 93 mm | 84% | 1 m/s | 4.4 |
| 2000 | 7.6°C | 3.7°C | -0.1°C | 15.4°C | -4.0°C | 72 mm | 83% | 1 m/s | 3.4 |
| 1999 | 7.1°C | 3.2°C | -0.6°C | 13.8°C | -4.7°C | 58 mm | 81% | 1 m/s | 4.4 |
| 1998 | 8.2°C | 4.2°C | 0.2°C | 17.4°C | -3.3°C | 93 mm | 82% | 0.9 m/s | 4.1 |
| 1997 | 5.3°C | 1.4°C | -2.6°C | 11.4°C | -9.0°C | 58 mm | 82% | 1.1 m/s | 4.6 |
| 1996 | 7.8°C | 3.6°C | -0.6°C | 16.7°C | -5.2°C | 90 mm | 84% | 0.9 m/s | 4.3 |
| 1995 | 7.6°C | 2.6°C | -2.3°C | 14.1°C | -11.0°C | 37 mm | 78% | 0.8 m/s | 4.4 |
| 1994 | 9.4°C | 4.5°C | -0.4°C | 18.1°C | -9.3°C | 54 mm | 78% | 0.9 m/s | 4.7 |
| 1993 | 8.1°C | 3.7°C | -0.8°C | 16.5°C | -6.9°C | 51 mm | 80% | 0.9 m/s | 4.2 |
| 1992 | 6.3°C | 1.9°C | -2.5°C | 14.4°C | -7.5°C | 28 mm | 77% | 1 m/s | 5.1 |
| 1991 | 7.5°C | 3.0°C | -1.6°C | 14.9°C | -5.5°C | 51 mm | 80% | 0.8 m/s | 5 |
| 1990 | 8.0°C | 3.6°C | -0.9°C | 18.9°C | -4.9°C | 77 mm | 82% | 0.9 m/s | 4.2 |
| 1989 | 7.4°C | 3.4°C | -0.7°C | 16.3°C | -3.9°C | 53 mm | 83% | 0.9 m/s | 4.2 |
| 1988 | 6.6°C | 2.9°C | -0.8°C | 13.2°C | -5.3°C | 96 mm | 85% | 1.1 m/s | 3.7 |
| 1987 | 9.9°C | 4.9°C | -0.1°C | 19.1°C | -4.6°C | 49 mm | 83% | 0.8 m/s | 5.1 |
| 1986 | 8.8°C | 4.3°C | -0.2°C | 15.2°C | -5.2°C | 91 mm | 85% | 0.8 m/s | 4.1 |
| 1985 | 6.9°C | 2.3°C | -2.2°C | 17.4°C | -8.5°C | 38 mm | 78% | 1 m/s | 5.1 |
| 1984 🌧️ | 6.3°C | 2.3°C | -1.7°C | 16.1°C | -6.9°C | 140 mm | 88% | 1.1 m/s | 4.7 |
| 1983 | 8.5°C | 4.5°C | 0.6°C | 17.9°C | -5.2°C | 86 mm | 88% | 0.8 m/s | — |
| 1982 | 6.3°C | 2.3°C | -1.7°C | 13.8°C | -8.8°C | 106 mm | 83% | 1.2 m/s | — |
| 1981 | 8.0°C | 3.7°C | -0.5°C | 13.4°C | -8.3°C | 65 mm | 81% | 1.1 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 7.8°C with lows near -0.7°C (mean 3.6°C), based on 45 years of NASA POWER data.
April averages 72 mm of rainfall in Amherst, about average for rainfall. The wettest on record was 140 mm in 1984.
The hottest April reached 20.1°C in 2004. The coldest dipped to -12°C in 2015.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 1.5°C. Daytime highs moved from 7.2°C to 8.8°C and overnight lows from -1.1°C to 0.3°C over the same span.
April is one of the cooler months of the year in Amherst and about average for rainfall, so plan for around 7.8°C daytime highs and -0.7°C at night.
Not quite — April is the 6th coolest month in Amherst, averaging 3.6°C.
For April in Amherst, pack warm layers and a jacket for chilly mornings, with typical highs of 7.8°C and lows of -0.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 82% — quite humid.
Average wind speed in April is 1 m/s. The windiest April on record averaged 1.2 m/s (1982).
The wettest April on record was 1984 with 140 mm. On average, April sees 72 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 Amherst 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.
