June is one of the warmer months of the year in Syracuse, with average highs near 24.4°C and lows around 13.4°C (mean 18.9°C). It is a relatively wet time of year, averaging 100 mm of rainfall and 74% relative humidity across the period.
June is one of the warmer months of the year in Syracuse. Across 45 years of records, the warmest June in Syracuse was 2005 — when the month averaged 22.3°C — while the coldest was 1985 at 16.3°C. Typical June days reach 24.4°C with nights near 13.4°C. The long-term trend is warming, about 0.4°C per decade.
June is a relatively wet time of year in Syracuse, averaging 100 mm of rainfall. The wettest June on record was 2015 with 197 mm, while the driest was 1991 at 41 mm.
Relative humidity in Syracuse during June averages 74%. The most humid June was 1989 at 81%, and the least humid was 1988 at 62%.
June receives about 5.8 kWh/m²/day of solar energy in Syracuse. The sunniest June was 2020 at 7.1 kWh/m²/day, and the cloudiest was 2000 at 4.8.
Average wind speed in Syracuse during June is 0.4 m/s. The windiest Junes were 2023, 2024 and 2025, among others at 0.4 m/s, while the calmest were 2023, 2024 and 2025, among others at 0.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 17.9°C | 19.0°C | 19.1°C | 18.8°C | 20.0°C | +2.1°C |
| Avg High | 23.6°C | 24.7°C | 24.4°C | 24.1°C | 25.5°C | +1.9°C |
| Avg Low | 12.3°C | 13.3°C | 13.7°C | 13.5°C | 14.4°C | +2.1°C |
| Avg Rain | 96 mm | 79 mm | 102 mm | 121 mm | 103 mm | +7 mm |
June temperatures in Syracuse have risen by about 2.3°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 2.9°C (1988) to a record high of 35.8°C (2005).
Rainfall in June is a relatively wet time of year, averaging 100 mm, with a wettest year of 197 mm.
One of the best times to visit Syracuse
June is one of the best times to visit Syracuse. Expect days averaging 24.4°C and nights around 13.4°C (mean 18.9°C) — warmer than Syracuse's yearly average — with higher rainfall (100 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 25.4°C | 20.2°C | 15.0°C | 33.1°C | 5.0°C | 111 mm | 81% | 0.4 m/s | 5.9 |
| 2024 | 26.3°C | 20.8°C | 15.3°C | 35.7°C | 7.7°C | 128 mm | 74% | 0.4 m/s | 5.7 |
| 2023 | 23.6°C | 18.4°C | 13.2°C | 32.2°C | 7.9°C | 125 mm | 77% | 0.4 m/s | 5.7 |
| 2022 | 24.8°C | 19.2°C | 13.5°C | 35.3°C | 7.1°C | 98 mm | 70% | 0.4 m/s | 6.5 |
| 2021 | 27.1°C | 21.3°C | 15.5°C | 34.9°C | 8.1°C | 105 mm | 71% | 0.4 m/s | 6.2 |
| 2020 | 25.6°C | 19.8°C | 14.0°C | 33.1°C | 4.9°C | 49 mm | 71% | 0.4 m/s | 7.1 |
| 2019 | 23.1°C | 17.6°C | 12.1°C | 33.8°C | 4.9°C | 131 mm | 77% | 0.4 m/s | 6 |
| 2018 | 24.6°C | 19.1°C | 13.6°C | 34.0°C | 8.9°C | 75 mm | 73% | 0.4 m/s | 6.1 |
| 2017 | 23.5°C | 18.6°C | 13.8°C | 29.6°C | 7.3°C | 128 mm | 79% | 0.4 m/s | 5.8 |
| 2016 | 25.9°C | 19.6°C | 13.4°C | 32.5°C | 6.7°C | 60 mm | 64% | 0.4 m/s | 6.7 |
| 2015 🌧️ | 23.3°C | 18.1°C | 12.8°C | 29.6°C | 6.4°C | 197 mm | 79% | 0.4 m/s | 5.6 |
| 2014 | 24.4°C | 18.9°C | 13.4°C | 31.1°C | 8.8°C | 118 mm | 78% | 0.4 m/s | 5.9 |
| 2013 | 23.0°C | 18.3°C | 13.6°C | 30.3°C | 6.6°C | 176 mm | 80% | 0.4 m/s | 5.4 |
| 2012 | 25.2°C | 19.6°C | 13.9°C | 34.2°C | 7.6°C | 80 mm | 71% | 0.4 m/s | 6.2 |
| 2011 | 23.6°C | 18.8°C | 14.0°C | 28.2°C | 6.1°C | 85 mm | 80% | 0.4 m/s | 6 |
| 2010 | 24.8°C | 19.3°C | 13.9°C | 30.5°C | 8.7°C | 158 mm | 75% | 0.4 m/s | 5.4 |
| 2009 | 23.0°C | 17.5°C | 11.9°C | 27.9°C | 2.9°C | 120 mm | 78% | 0.4 m/s | 5.5 |
| 2008 | 25.6°C | 20.5°C | 15.4°C | 31.8°C | 9.0°C | 89 mm | 77% | 0.4 m/s | 5.8 |
| 2007 | 25.6°C | 19.6°C | 13.6°C | 34.5°C | 7.6°C | 77 mm | 70% | 0.4 m/s | 6.6 |
| 2006 | 23.7°C | 18.8°C | 13.9°C | 31.3°C | 7.6°C | 162 mm | 78% | 0.4 m/s | 5.3 |
| 2005 🔥 | 27.9°C | 22.3°C | 16.7°C | 35.8°C | 10.5°C | 84 mm | 74% | 0.4 m/s | 6.1 |
| 2004 | 22.7°C | 17.4°C | 12.1°C | 28.8°C | 6.7°C | 63 mm | 77% | 0.4 m/s | 6.1 |
| 2003 | 22.8°C | 17.5°C | 12.3°C | 31.7°C | 4.5°C | 78 mm | 80% | 0.4 m/s | 5.4 |
| 2002 | 24.4°C | 19.1°C | 13.9°C | 32.4°C | 5.2°C | 119 mm | 77% | 0.4 m/s | 5.8 |
| 2001 | 25.6°C | 19.5°C | 13.5°C | 33.3°C | 4.7°C | 111 mm | 70% | 0.4 m/s | 5.9 |
| 2000 | 23.1°C | 18.3°C | 13.4°C | 29.2°C | 7.7°C | 120 mm | 80% | 0.4 m/s | 4.8 |
| 1999 | 27.7°C | 20.9°C | 14.1°C | 34.3°C | 7.0°C | 57 mm | 63% | 0.4 m/s | 6.2 |
| 1998 | 23.3°C | 18.5°C | 13.7°C | 31.5°C | 5.8°C | 140 mm | 78% | 0.4 m/s | 5.7 |
| 1997 | 25.0°C | 19.3°C | 13.7°C | 33.0°C | 8.1°C | 71 mm | 73% | 0.4 m/s | 6.1 |
| 1996 | 24.3°C | 19.2°C | 14.1°C | 29.1°C | 6.1°C | 106 mm | 80% | 0.4 m/s | 5.1 |
| 1995 | 27.3°C | 20.7°C | 14.2°C | 34.3°C | 7.0°C | 44 mm | 65% | 0.4 m/s | 5.9 |
| 1994 | 25.2°C | 19.5°C | 13.8°C | 34.2°C | 5.5°C | 107 mm | 75% | 0.4 m/s | 5.7 |
| 1993 | 23.0°C | 17.6°C | 12.1°C | 30.3°C | 5.8°C | 92 mm | 76% | 0.4 m/s | 5.6 |
| 1992 | 22.5°C | 16.7°C | 11.0°C | 29.0°C | 5.7°C | 46 mm | 75% | 0.4 m/s | 5.8 |
| 1991 | 25.5°C | 19.4°C | 13.4°C | 33.2°C | 7.6°C | 41 mm | 69% | 0.4 m/s | 6.2 |
| 1990 | 23.5°C | 18.3°C | 13.0°C | 30.6°C | 4.2°C | 81 mm | 78% | 0.4 m/s | 5.2 |
| 1989 | 23.5°C | 18.8°C | 14.1°C | 29.0°C | 8.7°C | 124 mm | 81% | 0.4 m/s | 5.4 |
| 1988 | 23.9°C | 17.2°C | 10.6°C | 33.9°C | 2.9°C | 50 mm | 62% | 0.4 m/s | 6.3 |
| 1987 | 25.5°C | 19.9°C | 14.2°C | 32.5°C | 6.7°C | 105 mm | 70% | 0.4 m/s | 5.1 |
| 1986 | 22.2°C | 16.8°C | 11.3°C | 27.7°C | 3.7°C | 133 mm | 75% | 0.4 m/s | 6 |
| 1985 ❄️ | 22.0°C | 16.3°C | 10.7°C | 28.1°C | 6.2°C | 90 mm | 71% | 0.4 m/s | 6 |
| 1984 | 23.8°C | 18.3°C | 12.8°C | 30.1°C | 6.1°C | 74 mm | 78% | 0.4 m/s | 5.1 |
| 1983 | 24.5°C | 18.7°C | 12.8°C | 33.5°C | 5.2°C | 57 mm | 73% | 0.4 m/s | — |
| 1982 | 21.5°C | 16.4°C | 11.2°C | 28.1°C | 7.2°C | 130 mm | 78% | 0.4 m/s | — |
| 1981 | 25.1°C | 19.0°C | 13.0°C | 31.9°C | 4.9°C | 100 mm | 70% | 0.4 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 24.4°C with lows near 13.4°C (mean 18.9°C), based on 45 years of NASA POWER data.
June averages 100 mm of rainfall in Syracuse, a relatively wet time of year. The wettest on record was 197 mm in 2015.
The hottest June reached 35.8°C in 2005. The coldest dipped to 2.9°C in 1988.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 2.3°C. Daytime highs moved from 23.4°C to 25.4°C and overnight lows from 12.1°C to 14.5°C over the same span.
June is one of the warmer months of the year in Syracuse and a relatively wet time of year, so plan for around 24.4°C daytime highs and 13.4°C at night.
Not quite — June is the 10th coolest month in Syracuse, averaging 18.9°C.
For June in Syracuse, pack light layers you can adjust through the day, with typical highs of 24.4°C and lows of 13.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 74% — moderately humid.
Average wind speed in June is 0.4 m/s. The windiest June on record averaged 0.4 m/s (1981).
The wettest June on record was 2015 with 197 mm. On average, June sees 100 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 June, 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 June specifically, along with year-by-year records and how the month has changed over the decades.
