April is one of the cooler months of the year in Syracuse, with average highs near 12.2°C and lows around 1.5°C (mean 6.9°C). It is about average for rainfall, averaging 90 mm of rainfall and 80% relative humidity across the period.
April is one of the cooler months of the year in Syracuse. Across 45 years of records, the warmest April in Syracuse was 2010 — when the month averaged 9.9°C — while the coldest was 2018 at 3.5°C. Typical April days reach 12.2°C with nights near 1.5°C. The long-term trend is warming, about 0.2°C per decade.
April is about average for rainfall in Syracuse, averaging 90 mm of rainfall. The wettest April on record was 2011 with 194 mm, while the driest was 2001 at 33 mm.
Relative humidity in Syracuse during April averages 80%. The most humid April was 1983 at 85%, and the least humid was 1995 at 74%.
April receives about 4.5 kWh/m²/day of solar energy in Syracuse. The sunniest April was 2008 at 5.2 kWh/m²/day, and the cloudiest was 1993 at 3.6.
Average wind speed in Syracuse during April is 0.6 m/s. The windiest April was 1982 at 0.8 m/s, while the calmest were 2022, 2023 and 2024, among others at 0.6 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 | 7.1°C | 6.9°C | 7.4°C | +0.9°C |
| Avg High | 11.9°C | 11.7°C | 12.5°C | 12.3°C | 12.7°C | +0.8°C |
| Avg Low | 1.2°C | 1.2°C | 1.7°C | 1.5°C | 2.1°C | +0.9°C |
| Avg Rain | 78 mm | 91 mm | 91 mm | 92 mm | 101 mm | +23 mm |
April temperatures in Syracuse have risen by about 1.4°C between 1981–1985 and 2021–2025.
April has ranged from a record low of -12.4°C (1982) to a record high of 29.6°C (2009).
Rainfall in April is about average for rainfall, averaging 90 mm, with a wettest year of 194 mm.
A good time to visit Syracuse
April is a good time to visit Syracuse, with days averaging 12.2°C and nights around 1.5°C (mean 6.9°C, cooler than Syracuse'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 | 12.7°C | 7.3°C | 1.8°C | 24.7°C | -4.9°C | 98 mm | 78% | 0.7 m/s | 4.2 |
| 2024 | 13.6°C | 8.3°C | 3.1°C | 23.7°C | -4.5°C | 109 mm | 81% | 0.6 m/s | 4 |
| 2023 | 15.1°C | 9.4°C | 3.6°C | 27.9°C | -4.5°C | 122 mm | 78% | 0.6 m/s | 4.7 |
| 2022 | 11.3°C | 6.1°C | 1.0°C | 27.8°C | -3.1°C | 106 mm | 81% | 0.6 m/s | 4.6 |
| 2021 | 13.2°C | 7.9°C | 2.6°C | 23.8°C | -5.8°C | 75 mm | 75% | 0.6 m/s | 4.5 |
| 2020 | 10.3°C | 5.4°C | 0.6°C | 20.6°C | -4.6°C | 97 mm | 79% | 0.7 m/s | 4.4 |
| 2019 | 12.9°C | 7.6°C | 2.3°C | 21.3°C | -4.0°C | 98 mm | 82% | 0.7 m/s | 4 |
| 2018 ❄️ | 7.9°C | 3.5°C | -0.9°C | 18.6°C | -6.3°C | 75 mm | 82% | 0.7 m/s | 4 |
| 2017 | 15.0°C | 9.7°C | 4.4°C | 24.1°C | -2.0°C | 122 mm | 81% | 0.6 m/s | 4.3 |
| 2016 | 10.6°C | 5.0°C | -0.6°C | 22.7°C | -8.5°C | 57 mm | 75% | 0.6 m/s | 5 |
| 2015 | 12.4°C | 6.7°C | 1.1°C | 21.3°C | -3.6°C | 85 mm | 78% | 0.7 m/s | 4.9 |
| 2014 | 11.9°C | 6.2°C | 0.6°C | 22.3°C | -6.4°C | 92 mm | 80% | 0.7 m/s | 4.3 |
| 2013 | 12.1°C | 6.4°C | 0.7°C | 20.4°C | -6.7°C | 88 mm | 78% | 0.7 m/s | 4.5 |
| 2012 | 11.6°C | 6.2°C | 0.9°C | 26.6°C | -3.6°C | 67 mm | 75% | 0.7 m/s | 4.5 |
| 2011 🌧️ | 12.4°C | 7.3°C | 2.3°C | 23.5°C | -3.5°C | 194 mm | 84% | 0.6 m/s | 3.8 |
| 2010 🔥 | 15.8°C | 9.9°C | 4.0°C | 24.9°C | -0.8°C | 44 mm | 74% | 0.6 m/s | 5.1 |
| 2009 | 13.6°C | 8.0°C | 2.4°C | 29.6°C | -4.5°C | 75 mm | 78% | 0.7 m/s | 4.7 |
| 2008 | 15.5°C | 9.4°C | 3.4°C | 28.2°C | -4.2°C | 75 mm | 79% | 0.6 m/s | 5.2 |
| 2007 | 9.4°C | 5.2°C | 0.9°C | 22.4°C | -6.8°C | 108 mm | 84% | 0.7 m/s | 3.9 |
| 2006 | 12.8°C | 7.2°C | 1.6°C | 20.1°C | -4.5°C | 74 mm | 79% | 0.7 m/s | 5.1 |
| 2005 | 14.0°C | 7.7°C | 1.4°C | 23.4°C | -3.4°C | 145 mm | 79% | 0.6 m/s | 4.8 |
| 2004 | 12.1°C | 7.1°C | 2.0°C | 24.7°C | -6.1°C | 104 mm | 81% | 0.6 m/s | 4.4 |
| 2003 | 10.7°C | 5.5°C | 0.3°C | 23.0°C | -7.7°C | 68 mm | 82% | 0.6 m/s | 4.2 |
| 2002 | 12.8°C | 7.6°C | 2.3°C | 28.0°C | -5.0°C | 108 mm | 79% | 0.6 m/s | 4.2 |
| 2001 | 13.5°C | 7.5°C | 1.6°C | 26.4°C | -3.7°C | 33 mm | 76% | 0.6 m/s | 4.9 |
| 2000 | 10.9°C | 5.9°C | 0.9°C | 21.7°C | -4.9°C | 115 mm | 82% | 0.6 m/s | 3.7 |
| 1999 | 12.5°C | 6.7°C | 0.9°C | 20.9°C | -4.0°C | 54 mm | 77% | 0.6 m/s | 5.1 |
| 1998 | 13.0°C | 7.5°C | 2.0°C | 20.6°C | -3.2°C | 66 mm | 78% | 0.6 m/s | 5 |
| 1997 | 10.2°C | 5.0°C | -0.2°C | 20.9°C | -6.9°C | 44 mm | 79% | 0.7 m/s | 4.8 |
| 1996 | 9.6°C | 4.8°C | 0.0°C | 19.2°C | -4.1°C | 125 mm | 83% | 0.6 m/s | 3.7 |
| 1995 | 9.9°C | 4.5°C | -0.9°C | 18.7°C | -7.7°C | 53 mm | 74% | 0.7 m/s | 4.7 |
| 1994 | 12.6°C | 7.0°C | 1.4°C | 25.1°C | -5.0°C | 99 mm | 82% | 0.6 m/s | 4.8 |
| 1993 | 12.0°C | 6.9°C | 1.8°C | 22.8°C | -3.2°C | 172 mm | 85% | 0.6 m/s | 3.6 |
| 1992 | 10.5°C | 5.6°C | 0.6°C | 20.3°C | -5.7°C | 89 mm | 82% | 0.6 m/s | 4.1 |
| 1991 | 14.0°C | 8.9°C | 3.8°C | 23.7°C | -3.9°C | 105 mm | 82% | 0.6 m/s | 4.2 |
| 1990 | 12.5°C | 7.7°C | 2.9°C | 26.7°C | -3.5°C | 105 mm | 82% | 0.6 m/s | 4.4 |
| 1989 | 9.9°C | 4.5°C | -0.9°C | 19.0°C | -4.5°C | 41 mm | 77% | 0.6 m/s | 4.6 |
| 1988 | 11.5°C | 6.3°C | 1.2°C | 19.5°C | -4.5°C | 66 mm | 80% | 0.6 m/s | 4 |
| 1987 | 13.7°C | 8.6°C | 3.5°C | 24.7°C | -4.3°C | 85 mm | 83% | 0.6 m/s | 4.6 |
| 1986 | 13.0°C | 7.5°C | 2.1°C | 23.5°C | -3.3°C | 77 mm | 82% | 0.6 m/s | 4.5 |
| 1985 | 13.8°C | 8.1°C | 2.4°C | 26.8°C | -5.1°C | 36 mm | 78% | 0.7 m/s | 4.7 |
| 1984 | 11.7°C | 6.8°C | 1.9°C | 21.9°C | -4.2°C | 99 mm | 84% | 0.6 m/s | 4.2 |
| 1983 | 9.9°C | 5.1°C | 0.4°C | 22.1°C | -4.4°C | 170 mm | 85% | 0.6 m/s | — |
| 1982 | 10.1°C | 4.6°C | -0.9°C | 22.3°C | -12.4°C | 54 mm | 77% | 0.8 m/s | — |
| 1981 | 13.1°C | 7.3°C | 1.4°C | 21.2°C | -5.3°C | 74 mm | 76% | 0.7 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 12.2°C with lows near 1.5°C (mean 6.9°C), based on 45 years of NASA POWER data.
April averages 90 mm of rainfall in Syracuse, about average for rainfall. The wettest on record was 194 mm in 2011.
The hottest April reached 29.6°C in 2009. The coldest dipped to -12.4°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 1.4°C. Daytime highs moved from 11.7°C to 13.2°C and overnight lows from 1°C to 2.4°C over the same span.
April is one of the cooler months of the year in Syracuse and about average for rainfall, so plan for around 12.2°C daytime highs and 1.5°C at night.
Not quite — April is the 6th coolest month in Syracuse, averaging 6.9°C.
For April in Syracuse, pack warm layers and a jacket for chilly mornings, with typical highs of 12.2°C and lows of 1.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 80% — quite humid.
Average wind speed in April is 0.6 m/s. The windiest April on record averaged 0.8 m/s (1982).
The wettest April on record was 2011 with 194 mm. On average, April sees 90 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 Syracuse 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.
