June is one of the warmer months of the year in Houston, with average highs near 33.2°C and lows around 22.8°C (mean 28°C). It is a relatively wet time of year, averaging 132 mm of rainfall and 75% relative humidity across the period.
June is one of the warmer months of the year in Houston. Across 45 years of records, the warmest June in Houston was 2022 — when the month averaged 31.5°C — while the coldest was 1983 at 26°C. Typical June days reach 33.2°C with nights near 22.8°C. The long-term trend is warming, about 0.5°C per decade.
June is a relatively wet time of year in Houston, averaging 132 mm of rainfall. The wettest June on record was 2001 with 332 mm, while the driest was 2022 at 13 mm.
Relative humidity in Houston during June averages 75%. The most humid June was 2004 at 87%, and the least humid was 2011 at 57%.
June receives about 6.3 kWh/m²/day of solar energy in Houston. The sunniest Junes were 2009, 2011 and 2023, among others at 7.1 kWh/m²/day, and the cloudiest was 2004 at 5.3.
Average wind speed in Houston during June is 1.7 m/s. The windiest June was 1998 at 2.8 m/s, while the calmest was 2016 at 1.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 27.1°C | 27.6°C | 28.1°C | 28.6°C | 29.1°C | +2°C |
| Avg High | 32.1°C | 32.5°C | 33.4°C | 33.9°C | 34.6°C | +2.5°C |
| Avg Low | 21.9°C | 22.7°C | 22.8°C | 23.3°C | 23.6°C | +1.7°C |
| Avg Rain | 171 mm | 133 mm | 134 mm | 114 mm | 99 mm | -72 mm |
June temperatures in Houston have risen by about 2.1°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 13.1°C (1984) to a record high of 42.7°C (1998).
Rainfall in June is a relatively wet time of year, averaging 132 mm, with a wettest year of 332 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.7°C per decade while lows rose 0.4°C per decade, widening the gap between day and night.
A good time to visit Houston
June is a good time to visit Houston, with days averaging 33.2°C and nights around 22.8°C (mean 28°C, warmer than Houston's yearly average) and higher rainfall. October and April are marginally more temperate, but June still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 33.4°C | 28.6°C | 23.8°C | 37.3°C | 21.1°C | 157 mm | 79% | 1.6 m/s | 5.9 |
| 2024 | 34.2°C | 29.1°C | 24.0°C | 38.6°C | 21.8°C | 90 mm | 77% | 1.6 m/s | 6.6 |
| 2023 | 35.9°C | 29.8°C | 23.6°C | 40.3°C | 20.1°C | 52 mm | 71% | 1.6 m/s | 7.1 |
| 2022 🔥 | 38.3°C | 31.5°C | 24.8°C | 41.5°C | 21.1°C | 13 mm | 58% | 1.8 m/s | 6.9 |
| 2021 | 31.7°C | 27.4°C | 23.1°C | 34.2°C | 19.5°C | 146 mm | 82% | 1.5 m/s | 6 |
| 2020 | 33.8°C | 28.1°C | 22.4°C | 37.9°C | 17.4°C | 136 mm | 71% | 1.8 m/s | 6.3 |
| 2019 | 33.0°C | 28.1°C | 23.1°C | 37.3°C | 19.8°C | 170 mm | 76% | 1.6 m/s | 6.1 |
| 2018 | 35.3°C | 29.7°C | 24.0°C | 39.0°C | 22.3°C | 98 mm | 70% | 2.1 m/s | 6.5 |
| 2017 | 32.5°C | 27.6°C | 22.7°C | 36.9°C | 19.1°C | 134 mm | 78% | 1.8 m/s | 6.1 |
| 2016 | 31.2°C | 27.1°C | 23.0°C | 33.8°C | 20.4°C | 152 mm | 84% | 1.3 m/s | 6.1 |
| 2015 | 30.6°C | 26.6°C | 22.7°C | 32.7°C | 17.6°C | 171 mm | 84% | 1.5 m/s | 5.8 |
| 2014 | 32.5°C | 27.7°C | 23.0°C | 35.7°C | 19.5°C | 98 mm | 77% | 2 m/s | 6.2 |
| 2013 | 36.1°C | 29.6°C | 23.0°C | 41.9°C | 17.9°C | 72 mm | 65% | 1.7 m/s | 6.9 |
| 2012 | 34.9°C | 28.9°C | 22.9°C | 40.8°C | 20.1°C | 87 mm | 69% | 1.6 m/s | 6.4 |
| 2011 | 38.3°C | 31.3°C | 24.3°C | 40.8°C | 22.0°C | 45 mm | 57% | 2.2 m/s | 7.1 |
| 2010 | 34.3°C | 29.1°C | 24.0°C | 38.7°C | 21.3°C | 108 mm | 74% | 1.7 m/s | 6.4 |
| 2009 | 36.9°C | 30.1°C | 23.4°C | 41.3°C | 17.1°C | 23 mm | 62% | 2 m/s | 7.1 |
| 2008 | 35.6°C | 29.7°C | 23.9°C | 38.2°C | 21.5°C | 73 mm | 67% | 2.1 m/s | 6.2 |
| 2007 | 30.5°C | 26.5°C | 22.5°C | 32.7°C | 19.1°C | 118 mm | 84% | 1.4 m/s | 5.8 |
| 2006 | 33.2°C | 27.4°C | 21.7°C | 37.7°C | 18.2°C | 128 mm | 70% | 1.4 m/s | 6.7 |
| 2005 | 36.4°C | 29.8°C | 23.1°C | 40.2°C | 20.0°C | 13 mm | 63% | 1.7 m/s | 7.1 |
| 2004 | 29.8°C | 26.4°C | 23.0°C | 34.2°C | 20.8°C | 285 mm | 87% | 1.5 m/s | 5.3 |
| 2003 | 34.1°C | 28.6°C | 23.2°C | 37.1°C | 19.7°C | 144 mm | 73% | 1.5 m/s | 6 |
| 2002 | 34.2°C | 28.4°C | 22.6°C | 37.3°C | 19.8°C | 134 mm | 70% | 1.7 m/s | 6 |
| 2001 🌧️ | 30.8°C | 26.4°C | 22.0°C | 34.5°C | 18.1°C | 332 mm | 81% | 1.7 m/s | 6 |
| 2000 | 32.8°C | 27.9°C | 22.9°C | 36.9°C | 16.8°C | 87 mm | 74% | 1.9 m/s | 6 |
| 1999 | 32.5°C | 27.9°C | 23.2°C | 35.8°C | 19.9°C | 148 mm | 77% | 1.8 m/s | 5.8 |
| 1998 | 37.9°C | 31.3°C | 24.8°C | 42.7°C | 18.2°C | 61 mm | 62% | 2.8 m/s | 6.5 |
| 1997 | 30.7°C | 26.4°C | 22.1°C | 32.7°C | 15.0°C | 118 mm | 82% | 1.4 m/s | 6.2 |
| 1996 | 33.7°C | 28.3°C | 22.8°C | 37.6°C | 16.4°C | 161 mm | 70% | 1.7 m/s | 5.9 |
| 1995 | 31.8°C | 26.1°C | 20.5°C | 36.9°C | 14.9°C | 114 mm | 75% | 1.7 m/s | 6.8 |
| 1994 | 31.7°C | 27.2°C | 22.6°C | 35.9°C | 21.3°C | 124 mm | 81% | 1.6 m/s | 6 |
| 1993 | 29.7°C | 26.1°C | 22.5°C | 32.3°C | 16.5°C | 236 mm | 86% | 1.9 m/s | 5.7 |
| 1992 | 31.2°C | 26.6°C | 22.1°C | 33.0°C | 16.8°C | 140 mm | 83% | 1.4 m/s | 6.2 |
| 1991 | 30.3°C | 26.5°C | 22.8°C | 32.3°C | 21.1°C | 172 mm | 86% | 1.4 m/s | 5.9 |
| 1990 | 35.0°C | 29.4°C | 23.7°C | 39.3°C | 22.2°C | 53 mm | 71% | 1.9 m/s | 6.8 |
| 1989 | 31.8°C | 26.8°C | 21.8°C | 35.9°C | 13.7°C | 308 mm | 77% | 2.1 m/s | 5.7 |
| 1988 | 34.3°C | 27.8°C | 21.2°C | 38.6°C | 16.9°C | 60 mm | 65% | 1.7 m/s | 6.6 |
| 1987 | 30.1°C | 26.2°C | 22.2°C | 33.2°C | 19.2°C | 277 mm | 84% | 1.5 m/s | 5.8 |
| 1986 | 31.0°C | 26.7°C | 22.4°C | 33.4°C | 20.8°C | 219 mm | 82% | 1.4 m/s | 5.9 |
| 1985 | 33.1°C | 27.4°C | 21.6°C | 37.9°C | 15.7°C | 123 mm | 71% | 1.9 m/s | 6.5 |
| 1984 | 34.0°C | 27.8°C | 21.7°C | 38.4°C | 13.1°C | 75 mm | 69% | 2 m/s | 6.3 |
| 1983 ❄️ | 30.9°C | 26.0°C | 21.0°C | 34.4°C | 14.7°C | 119 mm | 80% | 1.6 m/s | — |
| 1982 | 33.3°C | 27.8°C | 22.4°C | 35.5°C | 17.3°C | 84 mm | 74% | 1.5 m/s | — |
| 1981 | 30.8°C | 27.0°C | 23.2°C | 33.1°C | 21.4°C | 275 mm | 85% | 1.8 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 33.2°C with lows near 22.8°C (mean 28°C), based on 45 years of NASA POWER data.
June averages 132 mm of rainfall in Houston, a relatively wet time of year. The wettest on record was 332 mm in 2001.
The hottest June reached 42.7°C in 1998. The coldest dipped to 13.1°C in 1984.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 2.1°C. Daytime highs moved from 32.4°C to 34.7°C and overnight lows from 22°C to 23.9°C over the same span.
June is one of the warmer months of the year in Houston and a relatively wet time of year, so plan for around 33.2°C daytime highs and 22.8°C at night.
Not quite — June is the 10th coolest month in Houston, averaging 28°C.
For June in Houston, pack light, breathable clothing and sun protection, with typical highs of 33.2°C and lows of 22.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 75% — moderately humid.
Average wind speed in June is 1.7 m/s. The windiest June on record averaged 2.8 m/s (1998).
The wettest June on record was 2001 with 332 mm. On average, June sees 132 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 Houston 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.
