June is one of the warmer months of the year in Rockford, with average highs near 25.2°C and lows around 13.8°C (mean 19.5°C). It is a relatively wet time of year, averaging 113 mm of rainfall and 76% relative humidity across the period.
June is one of the warmer months of the year in Rockford. Across 45 years of records, the warmest June in Rockford was 2005 — when the month averaged 22.9°C — while the coldest was 1982 at 15.7°C. Typical June days reach 25.2°C with nights near 13.8°C. The long-term trend is warming, about 0.4°C per decade.
June is a relatively wet time of year in Rockford, averaging 113 mm of rainfall. The wettest June on record was 1993 with 256 mm, while the driest was 2012 at 20 mm.
Relative humidity in Rockford during June averages 76%. The most humid June was 2010 at 83%, and the least humid was 1988 at 56%.
June receives about 6.1 kWh/m²/day of solar energy in Rockford. The sunniest June was 2012 at 7.3 kWh/m²/day, and the cloudiest was 1996 at 5.2.
Average wind speed in Rockford during June is 2.7 m/s. The windiest June was 1990 at 3.5 m/s, while the calmest were 1992 and 1995 at 2.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 18.9°C | 19.2°C | 19.4°C | 19.8°C | 20.7°C | +1.8°C |
| Avg High | 25.0°C | 24.8°C | 25.0°C | 25.3°C | 26.5°C | +1.5°C |
| Avg Low | 12.7°C | 13.6°C | 13.7°C | 14.3°C | 14.9°C | +2.2°C |
| Avg Rain | 76 mm | 129 mm | 116 mm | 141 mm | 92 mm | +16 mm |
June temperatures in Rockford have risen by about 2.6°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 2.2°C (1993) to a record high of 38°C (1988).
Rainfall in June is a relatively wet time of year, averaging 113 mm, with a wettest year of 256 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.3°C per decade while lows rose 0.5°C per decade, narrowing the gap between day and night.
One of the best times to visit Rockford
June is one of the best times to visit Rockford. Expect days averaging 25.2°C and nights around 13.8°C (mean 19.5°C) — warmer than Rockford's yearly average — with higher rainfall (113 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 | 27.4°C | 21.7°C | 16.1°C | 33.4°C | 6.7°C | 109 mm | 77% | 2.7 m/s | 6.3 |
| 2024 | 25.8°C | 20.6°C | 15.4°C | 30.5°C | 7.6°C | 140 mm | 79% | 3.1 m/s | 6.1 |
| 2023 | 25.7°C | 19.3°C | 12.9°C | 31.3°C | 5.2°C | 44 mm | 70% | 2.3 m/s | 6.2 |
| 2022 | 25.8°C | 19.9°C | 14.0°C | 32.8°C | 8.8°C | 69 mm | 74% | 2.7 m/s | 6.7 |
| 2021 | 28.2°C | 22.4°C | 16.5°C | 32.4°C | 8.4°C | 84 mm | 71% | 2.7 m/s | 6.4 |
| 2020 | 25.8°C | 20.1°C | 14.5°C | 29.7°C | 7.4°C | 106 mm | 79% | 2.7 m/s | 6.7 |
| 2019 | 24.1°C | 18.6°C | 13.1°C | 31.0°C | 6.1°C | 103 mm | 82% | 2.5 m/s | 5.6 |
| 2018 | 25.1°C | 20.1°C | 15.0°C | 31.0°C | 8.1°C | 208 mm | 83% | 2.9 m/s | 5.7 |
| 2017 | 25.0°C | 19.8°C | 14.5°C | 29.5°C | 8.5°C | 163 mm | 78% | 3 m/s | 6.9 |
| 2016 | 25.8°C | 20.3°C | 14.7°C | 29.9°C | 8.1°C | 93 mm | 77% | 2.6 m/s | 6.9 |
| 2015 | 24.6°C | 18.8°C | 13.0°C | 29.1°C | 3.9°C | 146 mm | 78% | 2.6 m/s | 5.7 |
| 2014 | 25.0°C | 19.7°C | 14.4°C | 28.4°C | 7.4°C | 197 mm | 79% | 2.8 m/s | 6 |
| 2013 | 24.0°C | 18.9°C | 13.8°C | 28.8°C | 6.6°C | 203 mm | 81% | 2.6 m/s | 5.8 |
| 2012 | 28.7°C | 21.8°C | 14.8°C | 35.6°C | 7.1°C | 20 mm | 62% | 2.9 m/s | 7.3 |
| 2011 | 24.9°C | 19.7°C | 14.5°C | 31.5°C | 9.1°C | 78 mm | 81% | 2.9 m/s | 5.8 |
| 2010 | 25.5°C | 20.3°C | 15.2°C | 29.5°C | 10.1°C | 202 mm | 83% | 2.7 m/s | 5.8 |
| 2009 | 24.0°C | 18.6°C | 13.3°C | 32.1°C | 4.5°C | 148 mm | 81% | 2.6 m/s | 5.9 |
| 2008 | 24.7°C | 19.5°C | 14.3°C | 28.9°C | 9.5°C | 196 mm | 81% | 3.1 m/s | 5.9 |
| 2007 | 25.7°C | 20.0°C | 14.4°C | 30.9°C | 7.5°C | 105 mm | 75% | 2.6 m/s | 6.1 |
| 2006 | 24.4°C | 18.8°C | 13.2°C | 29.8°C | 6.9°C | 102 mm | 75% | 2.5 m/s | 6.2 |
| 2005 🔥 | 29.1°C | 22.9°C | 16.7°C | 35.7°C | 9.8°C | 53 mm | 69% | 2.8 m/s | 6.6 |
| 2004 | 23.8°C | 18.3°C | 12.8°C | 28.7°C | 5.6°C | 124 mm | 79% | 2.5 m/s | 6.2 |
| 2003 | 24.9°C | 18.4°C | 11.8°C | 32.8°C | 2.2°C | 59 mm | 68% | 2.5 m/s | 6.3 |
| 2002 | 25.6°C | 20.3°C | 14.9°C | 31.5°C | 6.9°C | 124 mm | 80% | 2.6 m/s | 6 |
| 2001 | 24.1°C | 18.8°C | 13.4°C | 30.0°C | 4.9°C | 96 mm | 78% | 2.5 m/s | 6.1 |
| 2000 | 23.6°C | 18.0°C | 12.5°C | 28.6°C | 6.1°C | 153 mm | 78% | 3.2 m/s | 5.8 |
| 1999 | 24.8°C | 19.6°C | 14.5°C | 29.8°C | 5.8°C | 154 mm | 80% | 2.4 m/s | 6.1 |
| 1998 | 24.0°C | 19.1°C | 14.2°C | 30.9°C | 4.6°C | 160 mm | 79% | 2.6 m/s | 5.7 |
| 1997 | 25.1°C | 19.0°C | 12.9°C | 30.6°C | 7.3°C | 131 mm | 77% | 2.5 m/s | 6.6 |
| 1996 | 24.2°C | 19.0°C | 13.7°C | 30.3°C | 8.9°C | 167 mm | 82% | 2.6 m/s | 5.2 |
| 1995 | 25.6°C | 20.1°C | 14.6°C | 31.1°C | 6.9°C | 45 mm | 77% | 2.2 m/s | 6.3 |
| 1994 | 26.0°C | 19.9°C | 13.8°C | 33.0°C | 5.1°C | 124 mm | 73% | 2.7 m/s | 6.6 |
| 1993 🌧️ | 22.9°C | 17.7°C | 12.5°C | 28.3°C | 2.2°C | 256 mm | 83% | 2.9 m/s | 5.4 |
| 1992 | 24.4°C | 17.8°C | 11.2°C | 30.3°C | 2.9°C | 36 mm | 69% | 2.2 m/s | 6 |
| 1991 | 26.6°C | 20.9°C | 15.2°C | 31.9°C | 9.0°C | 58 mm | 75% | 2.5 m/s | 6.6 |
| 1990 | 24.8°C | 19.3°C | 13.7°C | 29.6°C | 2.3°C | 157 mm | 79% | 3.5 m/s | 5.7 |
| 1989 | 25.6°C | 19.0°C | 12.5°C | 31.6°C | 6.9°C | 50 mm | 69% | 2.5 m/s | 6.2 |
| 1988 | 28.9°C | 21.0°C | 13.0°C | 38.0°C | 5.2°C | 27 mm | 56% | 3.1 m/s | 6.8 |
| 1987 | 26.8°C | 20.7°C | 14.6°C | 33.4°C | 6.1°C | 51 mm | 71% | 2.6 m/s | 6.5 |
| 1986 | 24.0°C | 18.0°C | 12.0°C | 29.9°C | 3.2°C | 100 mm | 80% | 2.9 m/s | 5.6 |
| 1985 | 23.0°C | 17.3°C | 11.6°C | 29.9°C | 6.3°C | 68 mm | 72% | 3 m/s | 5.9 |
| 1984 | 24.9°C | 19.4°C | 13.8°C | 28.5°C | 9.2°C | 101 mm | 80% | 3.3 m/s | 6 |
| 1983 | 24.6°C | 19.3°C | 14.0°C | 29.1°C | 6.3°C | 82 mm | 79% | 2.8 m/s | — |
| 1982 ❄️ | 22.0°C | 15.7°C | 9.5°C | 27.5°C | 3.5°C | 83 mm | 76% | 2.7 m/s | — |
| 1981 | 25.3°C | 19.5°C | 13.6°C | 30.2°C | 9.3°C | 125 mm | 75% | 3.1 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 25.2°C with lows near 13.8°C (mean 19.5°C), based on 45 years of NASA POWER data.
June averages 113 mm of rainfall in Rockford, a relatively wet time of year. The wettest on record was 256 mm in 1993.
The hottest June reached 38°C in 1988. The coldest dipped to 2.2°C in 1993.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 2.6°C. Daytime highs moved from 24°C to 26.6°C and overnight lows from 12.5°C to 15°C over the same span.
June is one of the warmer months of the year in Rockford and a relatively wet time of year, so plan for around 25.2°C daytime highs and 13.8°C at night.
Not quite — June is the 10th coolest month in Rockford, averaging 19.5°C.
For June in Rockford, pack light layers you can adjust through the day, with typical highs of 25.2°C and lows of 13.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 76% — quite humid.
Average wind speed in June is 2.7 m/s. The windiest June on record averaged 3.5 m/s (1990).
The wettest June on record was 1993 with 256 mm. On average, June sees 113 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 Rockford 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.
