April is one of the cooler months of the year in Haverhill, with average highs near 12.4°C and lows around 1.3°C (mean 6.9°C). It is about average for rainfall, averaging 103 mm of rainfall and 79% relative humidity across the period.
April is one of the cooler months of the year in Haverhill. Across 45 years of records, the warmest April in Haverhill was 2010 — when the month averaged 9.1°C — while the coldest were 1982 and 2003 at 4.5°C. Typical April days reach 12.4°C with nights near 1.3°C. The long-term trend is warming, about 0.2°C per decade.
April is about average for rainfall in Haverhill, averaging 103 mm of rainfall. The wettest April on record was 1987 with 210 mm, while the driest was 1999 at 17 mm.
Relative humidity in Haverhill during April averages 79%. The most humid April was 1983 at 86%, and the least humid was 1999 at 74%.
April receives about 4.6 kWh/m²/day of solar energy in Haverhill. The sunniest April was 2012 at 5.4 kWh/m²/day, and the cloudiest was 1987 at 3.7.
Average wind speed in Haverhill during April is 0.3 m/s. The windiest April was 1982 at 0.4 m/s, while the calmest were 2023, 2024 and 2025, among others at 0.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 6.5°C | 6.5°C | 6.9°C | 7.2°C | 7.3°C | +0.8°C |
| Avg High | 11.9°C | 12.1°C | 12.6°C | 12.9°C | 12.6°C | +0.7°C |
| Avg Low | 1.2°C | 1.0°C | 1.2°C | 1.6°C | 1.9°C | +0.7°C |
| Avg Rain | 109 mm | 95 mm | 116 mm | 91 mm | 106 mm | -3 mm |
April temperatures in Haverhill have risen by about 1.3°C between 1981–1985 and 2021–2025.
April has ranged from a record low of -11.6°C (1982) to a record high of 30.4°C (2002).
Rainfall in April is about average for rainfall, averaging 103 mm, with a wettest year of 210 mm.
A good time to visit Haverhill
April is a good time to visit Haverhill, with days averaging 12.4°C and nights around 1.3°C (mean 6.9°C, cooler than Haverhill's yearly average) and higher rainfall. July and August 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 | 13.5°C | 7.8°C | 2.0°C | 23.8°C | -4.3°C | 98 mm | 75% | 0.3 m/s | 4.7 |
| 2024 | 12.4°C | 7.3°C | 2.1°C | 20.3°C | -4.9°C | 92 mm | 82% | 0.3 m/s | 4.5 |
| 2023 | 13.8°C | 8.4°C | 3.1°C | 27.8°C | -4.9°C | 124 mm | 78% | 0.3 m/s | 4.5 |
| 2022 | 12.6°C | 7.1°C | 1.7°C | 17.3°C | -2.1°C | 97 mm | 76% | 0.3 m/s | 4.8 |
| 2021 | 13.2°C | 7.7°C | 2.2°C | 23.0°C | -4.6°C | 102 mm | 77% | 0.3 m/s | 4.7 |
| 2020 | 10.2°C | 5.3°C | 0.5°C | 17.6°C | -3.1°C | 126 mm | 79% | 0.3 m/s | 4.2 |
| 2019 | 12.8°C | 7.4°C | 2.1°C | 21.0°C | -4.9°C | 136 mm | 81% | 0.3 m/s | 4.3 |
| 2018 | 10.3°C | 5.0°C | -0.2°C | 20.0°C | -5.1°C | 137 mm | 79% | 0.3 m/s | 4.3 |
| 2017 | 14.5°C | 8.8°C | 3.2°C | 27.1°C | -5.9°C | 118 mm | 83% | 0.3 m/s | 4.3 |
| 2016 | 11.8°C | 5.8°C | -0.2°C | 22.5°C | -8.7°C | 57 mm | 74% | 0.3 m/s | 5.2 |
| 2015 | 12.1°C | 6.5°C | 0.9°C | 18.7°C | -4.6°C | 71 mm | 78% | 0.3 m/s | 4.6 |
| 2014 | 12.2°C | 6.5°C | 0.8°C | 21.9°C | -6.1°C | 80 mm | 80% | 0.3 m/s | 4.9 |
| 2013 | 13.0°C | 7.0°C | 1.1°C | 22.0°C | -3.7°C | 53 mm | 74% | 0.3 m/s | 5.3 |
| 2012 | 14.4°C | 8.5°C | 2.5°C | 28.1°C | -2.3°C | 83 mm | 74% | 0.3 m/s | 5.4 |
| 2011 | 12.9°C | 7.7°C | 2.5°C | 24.1°C | -3.8°C | 120 mm | 82% | 0.3 m/s | 4.1 |
| 2010 🔥 | 14.8°C | 9.1°C | 3.4°C | 24.9°C | -0.8°C | 53 mm | 82% | 0.3 m/s | 4.9 |
| 2009 | 13.6°C | 7.9°C | 2.2°C | 28.5°C | -1.9°C | 102 mm | 79% | 0.3 m/s | 5 |
| 2008 | 13.7°C | 7.8°C | 1.8°C | 25.7°C | -3.9°C | 87 mm | 79% | 0.3 m/s | 5 |
| 2007 | 9.8°C | 5.2°C | 0.6°C | 24.3°C | -6.1°C | 209 mm | 84% | 0.3 m/s | 4 |
| 2006 | 13.5°C | 7.6°C | 1.6°C | 20.0°C | -3.0°C | 76 mm | 78% | 0.3 m/s | 5 |
| 2005 | 14.0°C | 7.8°C | 1.7°C | 24.7°C | -3.1°C | 142 mm | 79% | 0.3 m/s | 5.1 |
| 2004 | 12.8°C | 7.1°C | 1.5°C | 24.6°C | -3.7°C | 180 mm | 80% | 0.3 m/s | 4.5 |
| 2003 | 10.1°C | 4.5°C | -1.0°C | 22.8°C | -8.7°C | 95 mm | 82% | 0.3 m/s | 4.4 |
| 2002 | 14.6°C | 8.4°C | 2.1°C | 30.4°C | -5.0°C | 90 mm | 75% | 0.3 m/s | 4.7 |
| 2001 | 12.9°C | 6.7°C | 0.5°C | 25.5°C | -4.7°C | 26 mm | 77% | 0.3 m/s | 5.3 |
| 2000 | 11.4°C | 6.2°C | 1.0°C | 21.7°C | -2.7°C | 154 mm | 81% | 0.3 m/s | 3.8 |
| 1999 | 13.4°C | 7.3°C | 1.2°C | 18.2°C | -2.5°C | 17 mm | 74% | 0.3 m/s | 5.1 |
| 1998 | 13.5°C | 7.6°C | 1.8°C | 21.6°C | -2.1°C | 70 mm | 79% | 0.3 m/s | 4.5 |
| 1997 | 10.6°C | 5.3°C | 0.0°C | 20.1°C | -6.0°C | 122 mm | 80% | 0.3 m/s | 5.2 |
| 1996 | 11.0°C | 6.0°C | 0.9°C | 22.7°C | -4.9°C | 187 mm | 82% | 0.3 m/s | 4.5 |
| 1995 | 11.4°C | 5.5°C | -0.5°C | 17.9°C | -8.4°C | 53 mm | 75% | 0.3 m/s | 4.9 |
| 1994 | 12.7°C | 7.1°C | 1.5°C | 24.1°C | -4.0°C | 71 mm | 81% | 0.3 m/s | 4.8 |
| 1993 | 12.3°C | 6.9°C | 1.5°C | 19.2°C | -3.4°C | 129 mm | 83% | 0.3 m/s | 4.2 |
| 1992 | 10.1°C | 4.8°C | -0.5°C | 21.4°C | -4.7°C | 63 mm | 80% | 0.3 m/s | 4.5 |
| 1991 | 13.5°C | 7.8°C | 2.1°C | 23.1°C | -3.4°C | 119 mm | 81% | 0.3 m/s | 4.6 |
| 1990 | 12.1°C | 6.8°C | 1.5°C | 27.7°C | -3.7°C | 118 mm | 82% | 0.3 m/s | 4.1 |
| 1989 | 10.5°C | 5.2°C | -0.1°C | 17.3°C | -3.9°C | 102 mm | 78% | 0.3 m/s | 4.7 |
| 1988 | 11.3°C | 6.5°C | 1.7°C | 16.7°C | -3.4°C | 92 mm | 81% | 0.3 m/s | 3.9 |
| 1987 🌧️ | 12.1°C | 7.1°C | 2.2°C | 21.6°C | -4.4°C | 210 mm | 85% | 0.3 m/s | 3.7 |
| 1986 | 13.4°C | 7.8°C | 2.3°C | 21.3°C | -2.2°C | 61 mm | 81% | 0.3 m/s | 4.5 |
| 1985 | 12.6°C | 6.6°C | 0.7°C | 22.6°C | -5.2°C | 35 mm | 76% | 0.3 m/s | 4.7 |
| 1984 | 11.6°C | 6.5°C | 1.3°C | 22.5°C | -4.0°C | 124 mm | 84% | 0.3 m/s | 4.5 |
| 1983 | 11.6°C | 6.9°C | 2.1°C | 23.1°C | -2.0°C | 177 mm | 86% | 0.3 m/s | — |
| 1982 ❄️ | 10.3°C | 4.5°C | -1.3°C | 21.8°C | -11.6°C | 88 mm | 80% | 0.4 m/s | — |
| 1981 | 13.7°C | 7.6°C | 1.5°C | 20.6°C | -5.4°C | 94 mm | 77% | 0.3 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 12.4°C with lows near 1.3°C (mean 6.9°C), based on 45 years of NASA POWER data.
April averages 103 mm of rainfall in Haverhill, about average for rainfall. The wettest on record was 210 mm in 1987.
The hottest April reached 30.4°C in 2002. The coldest dipped to -11.6°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 1.3°C. Daytime highs moved from 12°C to 13.1°C and overnight lows from 0.9°C to 2.2°C over the same span.
April is one of the cooler months of the year in Haverhill and about average for rainfall, so plan for around 12.4°C daytime highs and 1.3°C at night.
Not quite — April is the 6th coolest month in Haverhill, averaging 6.9°C.
For April in Haverhill, pack warm layers and a jacket for chilly mornings, with typical highs of 12.4°C and lows of 1.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 79% — quite humid.
Average wind speed in April is 0.3 m/s. The windiest April on record averaged 0.4 m/s (1982).
The wettest April on record was 1987 with 210 mm. On average, April sees 103 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 Haverhill 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.
