June is one of the warmer months of the year in Renton, with average highs near 18.1°C and lows around 8.8°C (mean 13.5°C). It is one of the drier months, averaging 82 mm of rainfall and 81% relative humidity across the period.
June is one of the warmer months of the year in Renton. Across 45 years of records, the warmest June in Renton was 2021 — when the month averaged 16.9°C — while the coldest was 1981 at 11.3°C. Typical June days reach 18.1°C with nights near 8.8°C. The long-term June temperature trend is broadly flat.
June is one of the drier months in Renton, averaging 82 mm of rainfall. The wettest June on record was 1981 with 161 mm, while the driest was 1987 at 22 mm.
Relative humidity in Renton during June averages 81%. The most humid June was 2012 at 86%, and the least humid was 2015 at 74%.
June receives about 5.7 kWh/m²/day of solar energy in Renton. The sunniest June was 2015 at 7.2 kWh/m²/day, and the cloudiest was 2012 at 4.7.
Average wind speed in Renton during June is 0.2 m/s. The windiest Junes were 2019, 2021 and 2023, among others at 0.3 m/s, while the calmest were 2022, 2024 and 2025, among others at 0.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 13.5°C | 13.0°C | 13.6°C | 13.5°C | 13.9°C | +0.4°C |
| Avg High | 18.3°C | 17.5°C | 18.3°C | 18.1°C | 18.7°C | +0.4°C |
| Avg Low | 8.6°C | 8.6°C | 8.9°C | 8.8°C | 9.1°C | +0.5°C |
| Avg Rain | 79 mm | 90 mm | 75 mm | 78 mm | 95 mm | +15 mm |
June temperatures in Renton have risen by about 1.3°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 2.3°C (1984) to a record high of 38.8°C (2021).
Rainfall in June is one of the drier months, averaging 82 mm, with a wettest year of 161 mm.
One of the best times to visit Renton
June is one of the best times to visit Renton. Expect days averaging 18.1°C and nights around 8.8°C (mean 13.5°C) — warmer than Renton's yearly average — with higher rainfall (82 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 | 17.9°C | 12.9°C | 7.9°C | 26.9°C | 3.7°C | 37 mm | 82% | 0.2 m/s | 6.4 |
| 2024 | 17.9°C | 13.0°C | 8.1°C | 32.2°C | 4.2°C | 134 mm | 82% | 0.2 m/s | 6.1 |
| 2023 | 18.6°C | 13.9°C | 9.2°C | 26.0°C | 5.7°C | 61 mm | 82% | 0.3 m/s | 6.6 |
| 2022 | 18.3°C | 13.8°C | 9.3°C | 34.2°C | 5.4°C | 142 mm | 83% | 0.2 m/s | 5.1 |
| 2021 🔥 | 22.3°C | 16.9°C | 11.4°C | 38.8°C | 4.9°C | 71 mm | 76% | 0.3 m/s | 6.8 |
| 2020 | 17.0°C | 12.9°C | 8.8°C | 27.0°C | 5.9°C | 124 mm | 85% | 0.2 m/s | 5.6 |
| 2019 | 18.5°C | 13.7°C | 8.8°C | 32.1°C | 6.0°C | 47 mm | 80% | 0.3 m/s | 6.1 |
| 2018 | 18.0°C | 13.4°C | 8.8°C | 26.2°C | 4.4°C | 57 mm | 81% | 0.3 m/s | 5.5 |
| 2017 | 19.4°C | 14.2°C | 9.0°C | 35.1°C | 5.1°C | 65 mm | 81% | 0.2 m/s | 5.9 |
| 2016 | 19.2°C | 14.3°C | 9.3°C | 30.2°C | 4.1°C | 81 mm | 80% | 0.2 m/s | 6.1 |
| 2015 | 21.9°C | 16.6°C | 11.3°C | 29.4°C | 5.0°C | 23 mm | 74% | 0.3 m/s | 7.2 |
| 2014 | 17.5°C | 13.1°C | 8.8°C | 23.7°C | 5.9°C | 76 mm | 83% | 0.2 m/s | 5.7 |
| 2013 | 18.9°C | 14.2°C | 9.4°C | 31.9°C | 5.3°C | 70 mm | 82% | 0.2 m/s | 5.7 |
| 2012 | 15.5°C | 11.5°C | 7.5°C | 24.0°C | 4.0°C | 149 mm | 86% | 0.2 m/s | 4.7 |
| 2011 | 16.0°C | 11.9°C | 7.8°C | 23.4°C | 4.6°C | 90 mm | 84% | 0.2 m/s | 5.1 |
| 2010 | 16.0°C | 11.9°C | 7.7°C | 23.5°C | 4.8°C | 122 mm | 85% | 0.2 m/s | 5 |
| 2009 | 19.0°C | 14.3°C | 9.6°C | 29.6°C | 6.2°C | 38 mm | 79% | 0.2 m/s | 6 |
| 2008 | 16.5°C | 11.8°C | 7.0°C | 34.9°C | 2.5°C | 98 mm | 83% | 0.2 m/s | 5.3 |
| 2007 | 17.1°C | 12.7°C | 8.2°C | 28.1°C | 5.2°C | 86 mm | 82% | 0.2 m/s | 5.5 |
| 2006 | 19.4°C | 14.6°C | 9.8°C | 34.2°C | 6.9°C | 76 mm | 79% | 0.3 m/s | 6 |
| 2005 | 16.9°C | 12.8°C | 8.7°C | 26.3°C | 4.1°C | 95 mm | 85% | 0.2 m/s | 5.1 |
| 2004 | 20.5°C | 15.2°C | 9.8°C | 34.0°C | 5.5°C | 59 mm | 77% | 0.3 m/s | 6.5 |
| 2003 | 19.8°C | 14.9°C | 10.0°C | 31.3°C | 5.3°C | 34 mm | 78% | 0.3 m/s | 6.3 |
| 2002 | 18.8°C | 14.0°C | 9.1°C | 31.8°C | 4.2°C | 75 mm | 80% | 0.3 m/s | 6.1 |
| 2001 | 16.2°C | 11.9°C | 7.6°C | 26.1°C | 4.1°C | 102 mm | 82% | 0.2 m/s | 5.4 |
| 2000 | 18.4°C | 13.8°C | 9.1°C | 29.4°C | 4.9°C | 83 mm | 80% | 0.3 m/s | 5.7 |
| 1999 | 15.7°C | 11.8°C | 7.8°C | 29.4°C | 3.5°C | 92 mm | 86% | 0.2 m/s | 5.2 |
| 1998 | 18.0°C | 13.7°C | 9.5°C | 25.7°C | 6.8°C | 69 mm | 84% | 0.2 m/s | 5.6 |
| 1997 | 17.6°C | 13.2°C | 8.9°C | 25.3°C | 5.9°C | 109 mm | 83% | 0.2 m/s | 5.5 |
| 1996 | 17.2°C | 12.6°C | 7.9°C | 27.0°C | 4.4°C | 44 mm | 80% | 0.3 m/s | 5.7 |
| 1995 | 18.6°C | 13.5°C | 8.5°C | 28.6°C | 4.5°C | 80 mm | 80% | 0.2 m/s | 5.4 |
| 1994 | 17.3°C | 12.5°C | 7.6°C | 22.6°C | 3.7°C | 95 mm | 80% | 0.3 m/s | 5.2 |
| 1993 | 17.0°C | 12.9°C | 8.7°C | 24.2°C | 5.5°C | 125 mm | 84% | 0.2 m/s | 4.8 |
| 1992 | 20.2°C | 15.4°C | 10.6°C | 28.7°C | 7.0°C | 76 mm | 80% | 0.3 m/s | 5.6 |
| 1991 | 15.6°C | 11.5°C | 7.4°C | 24.0°C | 2.3°C | 84 mm | 85% | 0.2 m/s | 4.9 |
| 1990 | 18.0°C | 13.3°C | 8.7°C | 26.9°C | 4.8°C | 124 mm | 83% | 0.2 m/s | 4.8 |
| 1989 | 19.8°C | 14.7°C | 9.5°C | 28.3°C | 6.3°C | 49 mm | 78% | 0.3 m/s | 5.6 |
| 1988 | 17.9°C | 12.9°C | 7.9°C | 30.3°C | 3.9°C | 59 mm | 79% | 0.3 m/s | 5.2 |
| 1987 | 20.5°C | 14.9°C | 9.2°C | 30.9°C | 4.3°C | 22 mm | 77% | 0.3 m/s | 6.1 |
| 1986 | 19.8°C | 14.8°C | 9.7°C | 29.7°C | 5.4°C | 45 mm | 76% | 0.3 m/s | 5.4 |
| 1985 | 18.2°C | 13.1°C | 8.0°C | 30.9°C | 4.6°C | 86 mm | 77% | 0.3 m/s | 6 |
| 1984 | 16.5°C | 12.0°C | 7.6°C | 26.2°C | 2.3°C | 127 mm | 83% | 0.2 m/s | 5 |
| 1983 | 16.9°C | 12.6°C | 8.3°C | 24.1°C | 6.2°C | 116 mm | 83% | 0.2 m/s | — |
| 1982 | 19.9°C | 15.0°C | 10.1°C | 31.9°C | 4.2°C | 50 mm | 78% | 0.3 m/s | — |
| 1981 ❄️ 🌧️ | 15.6°C | 11.3°C | 7.0°C | 23.3°C | 4.4°C | 161 mm | 85% | 0.2 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 18.1°C with lows near 8.8°C (mean 13.5°C), based on 45 years of NASA POWER data.
June averages 82 mm of rainfall in Renton, one of the drier months. The wettest on record was 161 mm in 1981.
The hottest June reached 38.8°C in 2021. The coldest dipped to 2.3°C in 1984.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 1.3°C. Daytime highs moved from 17.4°C to 19°C and overnight lows from 8.2°C to 9.2°C over the same span.
June is one of the warmer months of the year in Renton and one of the drier months, so plan for around 18.1°C daytime highs and 8.8°C at night.
Not quite — June is the 9th coolest month in Renton, averaging 13.5°C.
For June in Renton, pack light layers you can adjust through the day, with typical highs of 18.1°C and lows of 8.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 81% — quite humid.
Average wind speed in June is 0.2 m/s. The windiest June on record averaged 0.3 m/s (1982).
The wettest June on record was 1981 with 161 mm. On average, June sees 82 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 Renton 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.
