June is one of the warmer months of the year in Ithaca, with average highs near 23.6°C and lows around 12.5°C (mean 18.1°C). It is a relatively wet time of year, averaging 104 mm of rainfall and 76% relative humidity across the period.
June is one of the warmer months of the year in Ithaca. Across 45 years of records, the warmest June in Ithaca was 2005 — when the month averaged 20.9°C — while the coldest was 1982 at 15.4°C. Typical June days reach 23.6°C with nights near 12.5°C. The long-term trend is warming, about 0.4°C per decade.
June is a relatively wet time of year in Ithaca, averaging 104 mm of rainfall. The wettest June on record was 2006 with 206 mm, while the driest was 1991 at 36 mm.
Relative humidity in Ithaca during June averages 76%. The most humid June was 1989 at 82%, and the least humid was 1999 at 63%.
June receives about 5.8 kWh/m²/day of solar energy in Ithaca. The sunniest June was 2020 at 6.8 kWh/m²/day, and the cloudiest was 2000 at 4.7.
Average wind speed in Ithaca during June is 0.2 m/s. The windiest Junes were 2022, 2023 and 2024, among others at 0.2 m/s, while the calmest were 2015, 2021 and 2025, among others at 0.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 17.1°C | 18.1°C | 18.3°C | 18.0°C | 18.9°C | +1.8°C |
| Avg High | 22.7°C | 23.9°C | 23.7°C | 23.5°C | 24.5°C | +1.8°C |
| Avg Low | 11.4°C | 12.3°C | 12.9°C | 12.6°C | 13.3°C | +1.9°C |
| Avg Rain | 100 mm | 86 mm | 114 mm | 115 mm | 105 mm | +5 mm |
June temperatures in Ithaca have risen by about 2.2°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 1.2°C (1986) to a record high of 34.7°C (2005).
Rainfall in June is a relatively wet time of year, averaging 104 mm, with a wettest year of 206 mm.
One of the best times to visit Ithaca
June is one of the best times to visit Ithaca. Expect days averaging 23.6°C and nights around 12.5°C (mean 18.1°C) — warmer than Ithaca's yearly average — with higher rainfall (104 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 | 24.9°C | 19.6°C | 14.3°C | 32.1°C | 3.1°C | 118 mm | 82% | 0.1 m/s | 5.5 |
| 2024 | 25.2°C | 19.6°C | 14.0°C | 32.3°C | 6.3°C | 124 mm | 77% | 0.2 m/s | 5.6 |
| 2023 | 22.9°C | 17.5°C | 12.2°C | 30.9°C | 6.9°C | 128 mm | 78% | 0.2 m/s | 5.5 |
| 2022 | 24.0°C | 18.3°C | 12.5°C | 30.0°C | 6.7°C | 97 mm | 72% | 0.2 m/s | 6.6 |
| 2021 | 25.6°C | 19.9°C | 14.1°C | 33.4°C | 6.3°C | 101 mm | 76% | 0.1 m/s | 6.2 |
| 2020 | 24.4°C | 18.6°C | 12.7°C | 30.0°C | 3.4°C | 59 mm | 75% | 0.2 m/s | 6.8 |
| 2019 | 22.7°C | 17.2°C | 11.7°C | 30.3°C | 4.0°C | 126 mm | 78% | 0.2 m/s | 6 |
| 2018 | 23.6°C | 18.1°C | 12.6°C | 31.7°C | 7.9°C | 82 mm | 75% | 0.2 m/s | 6.1 |
| 2017 | 22.8°C | 17.8°C | 12.8°C | 28.6°C | 6.6°C | 116 mm | 81% | 0.2 m/s | 6.1 |
| 2016 | 24.9°C | 18.7°C | 12.4°C | 31.2°C | 5.9°C | 56 mm | 67% | 0.2 m/s | 6.6 |
| 2015 | 23.0°C | 17.6°C | 12.3°C | 28.9°C | 5.3°C | 192 mm | 81% | 0.1 m/s | 5.3 |
| 2014 | 23.6°C | 18.0°C | 12.5°C | 28.8°C | 7.6°C | 116 mm | 80% | 0.2 m/s | 6 |
| 2013 | 23.0°C | 18.0°C | 13.0°C | 29.7°C | 6.2°C | 163 mm | 79% | 0.2 m/s | 5.3 |
| 2012 | 24.0°C | 18.3°C | 12.7°C | 32.6°C | 6.7°C | 78 mm | 75% | 0.2 m/s | 6.1 |
| 2011 | 23.0°C | 18.1°C | 13.1°C | 28.1°C | 5.9°C | 92 mm | 81% | 0.2 m/s | 5.7 |
| 2010 | 24.5°C | 18.7°C | 13.0°C | 29.4°C | 6.6°C | 129 mm | 76% | 0.2 m/s | 5.4 |
| 2009 | 22.7°C | 17.1°C | 11.5°C | 26.8°C | 1.9°C | 129 mm | 79% | 0.2 m/s | 5.2 |
| 2008 | 24.5°C | 19.5°C | 14.4°C | 30.8°C | 9.1°C | 92 mm | 80% | 0.1 m/s | 5.7 |
| 2007 | 25.0°C | 18.7°C | 12.4°C | 32.7°C | 6.0°C | 78 mm | 72% | 0.2 m/s | 6.6 |
| 2006 🌧️ | 22.3°C | 17.6°C | 12.9°C | 29.6°C | 5.8°C | 206 mm | 81% | 0.1 m/s | 5.2 |
| 2005 🔥 | 26.4°C | 20.9°C | 15.5°C | 34.7°C | 8.9°C | 92 mm | 78% | 0.2 m/s | 6 |
| 2004 | 22.3°C | 16.8°C | 11.3°C | 28.7°C | 5.8°C | 62 mm | 78% | 0.1 m/s | 5.9 |
| 2003 | 22.0°C | 16.9°C | 11.8°C | 32.3°C | 4.2°C | 103 mm | 81% | 0.1 m/s | 5.1 |
| 2002 | 23.8°C | 18.4°C | 13.1°C | 29.0°C | 5.2°C | 137 mm | 78% | 0.2 m/s | 5.8 |
| 2001 | 25.0°C | 18.9°C | 12.8°C | 32.4°C | 3.2°C | 123 mm | 71% | 0.2 m/s | 6.1 |
| 2000 | 22.7°C | 17.8°C | 12.9°C | 30.8°C | 7.7°C | 119 mm | 81% | 0.1 m/s | 4.7 |
| 1999 | 26.9°C | 20.0°C | 13.1°C | 32.3°C | 6.0°C | 59 mm | 63% | 0.2 m/s | 6.1 |
| 1998 | 22.1°C | 17.3°C | 12.6°C | 28.7°C | 4.0°C | 149 mm | 81% | 0.1 m/s | 5.3 |
| 1997 | 23.7°C | 18.1°C | 12.4°C | 29.3°C | 5.9°C | 78 mm | 76% | 0.2 m/s | 6.1 |
| 1996 | 23.7°C | 18.4°C | 13.2°C | 29.1°C | 6.0°C | 122 mm | 81% | 0.2 m/s | 5.5 |
| 1995 | 25.9°C | 19.5°C | 13.0°C | 33.2°C | 6.6°C | 51 mm | 69% | 0.2 m/s | 6.1 |
| 1994 | 24.4°C | 18.6°C | 12.8°C | 33.5°C | 4.5°C | 146 mm | 78% | 0.2 m/s | 5.8 |
| 1993 | 22.5°C | 16.9°C | 11.2°C | 28.0°C | 3.8°C | 90 mm | 78% | 0.2 m/s | 5.6 |
| 1992 | 21.8°C | 16.0°C | 10.3°C | 27.5°C | 4.1°C | 45 mm | 76% | 0.2 m/s | 6 |
| 1991 | 25.1°C | 18.9°C | 12.6°C | 31.5°C | 6.6°C | 36 mm | 70% | 0.2 m/s | 6.3 |
| 1990 | 22.9°C | 17.4°C | 12.0°C | 29.4°C | 3.6°C | 81 mm | 79% | 0.2 m/s | 5.2 |
| 1989 | 23.0°C | 18.1°C | 13.3°C | 29.1°C | 7.2°C | 134 mm | 82% | 0.1 m/s | 5.2 |
| 1988 | 23.3°C | 16.6°C | 9.8°C | 32.3°C | 2.2°C | 40 mm | 64% | 0.2 m/s | 6.5 |
| 1987 | 24.2°C | 18.8°C | 13.3°C | 30.1°C | 5.0°C | 102 mm | 74% | 0.2 m/s | 5.6 |
| 1986 | 21.8°C | 16.2°C | 10.5°C | 26.8°C | 1.2°C | 125 mm | 77% | 0.2 m/s | 6.2 |
| 1985 | 21.4°C | 15.5°C | 9.7°C | 26.8°C | 5.3°C | 79 mm | 72% | 0.1 m/s | 5.8 |
| 1984 | 22.9°C | 17.4°C | 11.8°C | 29.0°C | 4.3°C | 82 mm | 80% | 0.2 m/s | 5.8 |
| 1983 | 23.6°C | 17.7°C | 11.8°C | 30.5°C | 4.5°C | 86 mm | 75% | 0.2 m/s | — |
| 1982 ❄️ | 20.6°C | 15.4°C | 10.3°C | 27.2°C | 6.0°C | 144 mm | 81% | 0.2 m/s | — |
| 1981 | 23.8°C | 18.0°C | 12.1°C | 30.0°C | 4.0°C | 109 mm | 74% | 0.2 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 23.6°C with lows near 12.5°C (mean 18.1°C), based on 45 years of NASA POWER data.
June averages 104 mm of rainfall in Ithaca, a relatively wet time of year. The wettest on record was 206 mm in 2006.
The hottest June reached 34.7°C in 2005. The coldest dipped to 1.2°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 2.2°C. Daytime highs moved from 22.5°C to 24.5°C and overnight lows from 11.1°C to 13.4°C over the same span.
June is one of the warmer months of the year in Ithaca and a relatively wet time of year, so plan for around 23.6°C daytime highs and 12.5°C at night.
Not quite — June is the 10th coolest month in Ithaca, averaging 18.1°C.
For June in Ithaca, pack light layers you can adjust through the day, with typical highs of 23.6°C and lows of 12.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 76% — quite humid.
Average wind speed in June is 0.2 m/s. The windiest June on record averaged 0.2 m/s (1981).
The wettest June on record was 2006 with 206 mm. On average, June sees 104 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 Ithaca 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.
