April is one of the cooler months of the year in Rochester, with average highs near 12.5°C and lows around 5°C (mean 8.8°C). It is one of the drier months, averaging 44 mm of rainfall and 82% relative humidity across the period.
April is one of the cooler months of the year in Rochester. Across 45 years of records, the warmest April in Rochester was 2011 — when the month averaged 11.8°C — while the coldest was 1986 at 5.8°C. Typical April days reach 12.5°C with nights near 5°C. The long-term trend is warming, about 0.4°C per decade.
April is one of the drier months in Rochester, averaging 44 mm of rainfall. The wettest April on record was 2000 with 122 mm, while the driest was 2007 at 2 mm.
Relative humidity in Rochester during April averages 82%. The most humid April was 2001 at 87%, and the least humid was 1997 at 76%.
April receives about 4 kWh/m²/day of solar energy in Rochester. The sunniest April was 2025 at 5 kWh/m²/day, and the cloudiest was 1989 at 3.
Average wind speed in Rochester during April is 3.7 m/s. The windiest April was 2024 at 4.7 m/s, while the calmest were 1996 and 2009 at 3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 7.7°C | 8.6°C | 9.2°C | 9.2°C | 9.3°C | +1.6°C |
| Avg High | 11.3°C | 12.4°C | 12.9°C | 13.1°C | 13.3°C | +2°C |
| Avg Low | 4.1°C | 4.9°C | 5.5°C | 5.4°C | 5.3°C | +1.2°C |
| Avg Rain | 51 mm | 48 mm | 47 mm | 38 mm | 34 mm | -16 mm |
April temperatures in Rochester have risen by about 1.3°C between 1981–1985 and 2021–2025.
April has ranged from a record low of -2°C (1996) to a record high of 22.9°C (2011).
Rainfall in April is one of the drier months, averaging 44 mm, with a wettest year of 122 mm.
A good time to visit Rochester
April is a good time to visit Rochester, with days averaging 12.5°C and nights around 5°C (mean 8.8°C, cooler than Rochester'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 | 15.2°C | 10.9°C | 6.6°C | 21.3°C | 3.8°C | 20 mm | 80% | 3.3 m/s | 5 |
| 2024 | 13.4°C | 10.0°C | 6.6°C | 18.1°C | 2.4°C | 63 mm | 82% | 4.7 m/s | 3.9 |
| 2023 | 12.6°C | 8.9°C | 5.2°C | 16.3°C | 2.1°C | 59 mm | 81% | 3.7 m/s | 4.2 |
| 2022 | 13.5°C | 9.5°C | 5.4°C | 17.6°C | -0.7°C | 19 mm | 79% | 4 m/s | 4.3 |
| 2021 | 10.2°C | 6.2°C | 2.1°C | 13.7°C | -1.8°C | 10 mm | 78% | 3.5 m/s | 4.6 |
| 2020 | 14.6°C | 10.2°C | 5.8°C | 20.4°C | 0.8°C | 34 mm | 80% | 3.4 m/s | 4.8 |
| 2019 | 12.9°C | 9.2°C | 5.5°C | 19.3°C | 1.6°C | 17 mm | 80% | 3.6 m/s | 4.1 |
| 2018 | 13.6°C | 10.3°C | 6.9°C | 22.7°C | 2.6°C | 86 mm | 85% | 3.7 m/s | 3.6 |
| 2017 | 13.5°C | 9.4°C | 5.2°C | 19.2°C | 0.9°C | 14 mm | 78% | 3.2 m/s | 4.4 |
| 2016 | 11.4°C | 7.8°C | 4.1°C | 15.7°C | 1.0°C | 53 mm | 81% | 3.6 m/s | 4.2 |
| 2015 | 13.2°C | 8.9°C | 4.6°C | 20.7°C | 1.2°C | 22 mm | 81% | 3.4 m/s | 4.6 |
| 2014 | 14.4°C | 10.6°C | 6.9°C | 17.5°C | 2.9°C | 31 mm | 84% | 3.3 m/s | 4.2 |
| 2013 | 10.8°C | 7.3°C | 3.8°C | 18.4°C | -0.7°C | 35 mm | 82% | 4.1 m/s | 4.2 |
| 2012 | 11.4°C | 8.0°C | 4.5°C | 15.5°C | -0.4°C | 102 mm | 81% | 3.9 m/s | 3.7 |
| 2011 🔥 | 16.3°C | 11.8°C | 7.3°C | 22.9°C | 3.8°C | 6 mm | 80% | 3.2 m/s | 4.7 |
| 2010 | 13.1°C | 9.0°C | 4.9°C | 17.6°C | 0.9°C | 18 mm | 79% | 3.3 m/s | 4.6 |
| 2009 | 14.5°C | 10.5°C | 6.5°C | 18.2°C | 3.8°C | 30 mm | 83% | 3 m/s | 4.2 |
| 2008 | 11.7°C | 8.3°C | 4.9°C | 17.3°C | -0.8°C | 46 mm | 81% | 3.8 m/s | 4 |
| 2007 | 16.2°C | 11.5°C | 6.9°C | 21.5°C | 2.6°C | 2 mm | 80% | 3.1 m/s | 4.7 |
| 2006 | 12.3°C | 8.7°C | 5.1°C | 16.4°C | 0.0°C | 31 mm | 81% | 3.6 m/s | 3.9 |
| 2005 | 12.9°C | 9.2°C | 5.4°C | 18.2°C | -0.7°C | 47 mm | 84% | 3.2 m/s | 3.9 |
| 2004 | 13.1°C | 9.4°C | 5.7°C | 19.2°C | 2.3°C | 59 mm | 84% | 3.3 m/s | 3.8 |
| 2003 | 12.7°C | 8.9°C | 5.1°C | 18.7°C | -0.3°C | 28 mm | 81% | 3.8 m/s | 4.2 |
| 2002 | 13.3°C | 9.4°C | 5.5°C | 19.3°C | 1.1°C | 31 mm | 80% | 4 m/s | 4.4 |
| 2001 | 10.7°C | 7.6°C | 4.5°C | 15.5°C | 0.5°C | 72 mm | 87% | 4.2 m/s | 3.6 |
| 2000 🌧️ | 11.7°C | 8.5°C | 5.4°C | 16.5°C | 1.2°C | 122 mm | 85% | 3.8 m/s | 3.4 |
| 1999 | 12.7°C | 9.3°C | 6.0°C | 17.0°C | -0.5°C | 53 mm | 84% | 3.8 m/s | 3.9 |
| 1998 | 11.2°C | 8.4°C | 5.6°C | 18.2°C | 0.4°C | 85 mm | 85% | 4 m/s | 3.5 |
| 1997 | 13.4°C | 8.9°C | 4.5°C | 18.1°C | 1.0°C | 14 mm | 76% | 3.4 m/s | 4.1 |
| 1996 | 12.1°C | 8.2°C | 4.3°C | 18.4°C | -2.0°C | 24 mm | 81% | 3 m/s | 3.9 |
| 1995 | 13.0°C | 9.0°C | 5.0°C | 17.3°C | -0.4°C | 23 mm | 82% | 3.6 m/s | 3.7 |
| 1994 | 11.4°C | 7.9°C | 4.3°C | 19.3°C | 0.9°C | 68 mm | 82% | 4.6 m/s | 4 |
| 1993 | 13.3°C | 9.6°C | 5.9°C | 21.5°C | 1.5°C | 71 mm | 84% | 3.7 m/s | 3.5 |
| 1992 | 12.2°C | 8.6°C | 5.0°C | 17.5°C | 0.6°C | 44 mm | 81% | 4.1 m/s | 3.5 |
| 1991 | 11.9°C | 8.2°C | 4.5°C | 18.4°C | 0.2°C | 55 mm | 80% | 4.6 m/s | 3.8 |
| 1990 | 12.3°C | 8.1°C | 4.0°C | 18.2°C | -1.3°C | 40 mm | 78% | 4 m/s | 4.6 |
| 1989 | 10.0°C | 6.9°C | 3.7°C | 13.5°C | -0.6°C | 74 mm | 83% | 3.9 m/s | 3 |
| 1988 | 11.6°C | 8.0°C | 4.5°C | 17.2°C | -0.7°C | 43 mm | 83% | 3.6 m/s | 3.6 |
| 1987 | 13.7°C | 9.8°C | 5.9°C | 19.1°C | 2.0°C | 42 mm | 85% | 3.4 m/s | 3.6 |
| 1986 ❄️ | 9.1°C | 5.8°C | 2.5°C | 14.5°C | -1.2°C | 61 mm | 84% | 4 m/s | 3.4 |
| 1985 | 11.7°C | 8.1°C | 4.5°C | 17.4°C | -1.7°C | 41 mm | 82% | 4.5 m/s | 3.6 |
| 1984 | 11.4°C | 7.2°C | 3.0°C | 18.4°C | -1.7°C | 17 mm | 80% | 3.2 m/s | 4.5 |
| 1983 | 10.7°C | 7.2°C | 3.7°C | 14.9°C | 0.1°C | 108 mm | 85% | 3.8 m/s | — |
| 1982 | 12.0°C | 8.1°C | 4.2°C | 14.9°C | -0.2°C | 24 mm | 81% | 3.4 m/s | — |
| 1981 | 11.6°C | 8.2°C | 4.7°C | 17.5°C | 1.2°C | 47 mm | 82% | 3.8 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 12.5°C with lows near 5°C (mean 8.8°C), based on 45 years of NASA POWER data.
April averages 44 mm of rainfall in Rochester, one of the drier months. The wettest on record was 122 mm in 2000.
The hottest April reached 22.9°C in 2011. The coldest dipped to -2°C in 1996.
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 11.5°C to 13°C and overnight lows from 4°C to 5.2°C over the same span.
April is one of the cooler months of the year in Rochester and one of the drier months, so plan for around 12.5°C daytime highs and 5°C at night.
Not quite — April is the 6th coolest month in Rochester, averaging 8.8°C.
For April in Rochester, pack warm layers and a jacket for chilly mornings, with typical highs of 12.5°C and lows of 5°C.
Relative humidity in April averages 82% — quite humid.
Average wind speed in April is 3.7 m/s. The windiest April on record averaged 4.7 m/s (2024).
The wettest April on record was 2000 with 122 mm. On average, April sees 44 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 Rochester 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.
