June is one of the warmer months of the year in Richardson, with average highs near 32.7°C and lows around 21.7°C (mean 27.2°C). It is a relatively wet time of year, averaging 97 mm of rainfall and 70% relative humidity across the period.
June is one of the warmer months of the year in Richardson. Across 45 years of records, the warmest June in Richardson was 2011 — when the month averaged 30.9°C — while the coldest was 1989 at 24.2°C. Typical June days reach 32.7°C with nights near 21.7°C. The long-term trend is warming, about 0.6°C per decade.
June is a relatively wet time of year in Richardson, averaging 97 mm of rainfall. The wettest June on record was 2007 with 269 mm, while the driest was 2005 at 13 mm.
Relative humidity in Richardson during June averages 70%. The most humid June was 2007 at 84%, and the least humid was 2011 at 50%.
June receives about 6.6 kWh/m²/day of solar energy in Richardson. The sunniest June was 2011 at 7.7 kWh/m²/day, and the cloudiest was 2000 at 5.4.
Average wind speed in Richardson during June is 2.9 m/s. The windiest June was 1998 at 4.2 m/s, while the calmest were 1988, 1992 and 2016, among others at 2.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 25.9°C | 27.1°C | 27.2°C | 28.0°C | 28.1°C | +2.2°C |
| Avg High | 31.1°C | 32.6°C | 32.8°C | 33.5°C | 33.6°C | +2.5°C |
| Avg Low | 20.6°C | 21.6°C | 21.6°C | 22.4°C | 22.7°C | +2.1°C |
| Avg Rain | 124 mm | 81 mm | 109 mm | 91 mm | 77 mm | -46 mm |
June temperatures in Richardson have risen by about 2.2°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 10.4°C (1983) to a record high of 43.1°C (2023).
Rainfall in June is a relatively wet time of year, averaging 97 mm, with a wettest year of 269 mm.
A good time to visit Richardson
June is a good time to visit Richardson, with days averaging 32.7°C and nights around 21.7°C (mean 27.2°C, warmer than Richardson's yearly average) and higher rainfall. May and October 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 | 32.6°C | 27.7°C | 22.9°C | 37.2°C | 18.2°C | 81 mm | 74% | 2.8 m/s | 6.5 |
| 2024 | 32.6°C | 27.6°C | 22.7°C | 38.1°C | 19.8°C | 107 mm | 75% | 2.6 m/s | 6.8 |
| 2023 | 35.7°C | 29.4°C | 23.2°C | 43.1°C | 20.1°C | 52 mm | 66% | 2.5 m/s | 6.5 |
| 2022 | 37.4°C | 30.8°C | 24.1°C | 42.4°C | 19.8°C | 46 mm | 52% | 2.9 m/s | 7.2 |
| 2021 | 30.6°C | 26.2°C | 21.8°C | 34.9°C | 16.0°C | 70 mm | 79% | 2.4 m/s | 6.3 |
| 2020 | 32.6°C | 27.0°C | 21.3°C | 36.3°C | 15.6°C | 109 mm | 69% | 2.8 m/s | 7 |
| 2019 | 30.3°C | 25.9°C | 21.5°C | 33.7°C | 16.3°C | 116 mm | 81% | 2.6 m/s | 6.4 |
| 2018 | 36.8°C | 30.6°C | 24.4°C | 40.8°C | 20.4°C | 28 mm | 56% | 3.5 m/s | 6.9 |
| 2017 | 31.3°C | 26.4°C | 21.6°C | 38.3°C | 18.4°C | 170 mm | 75% | 2.7 m/s | 6.3 |
| 2016 | 31.0°C | 26.6°C | 22.1°C | 33.8°C | 16.4°C | 119 mm | 79% | 2.3 m/s | 6.9 |
| 2015 | 30.6°C | 26.2°C | 21.9°C | 33.4°C | 14.5°C | 135 mm | 81% | 2.4 m/s | 6.7 |
| 2014 | 32.3°C | 27.3°C | 22.3°C | 36.1°C | 17.3°C | 98 mm | 72% | 3.5 m/s | 6 |
| 2013 | 34.5°C | 28.0°C | 21.6°C | 41.1°C | 15.0°C | 68 mm | 61% | 2.9 m/s | 7.1 |
| 2012 | 34.1°C | 28.0°C | 21.9°C | 42.2°C | 14.3°C | 69 mm | 63% | 2.7 m/s | 7 |
| 2011 🔥 | 38.1°C | 30.9°C | 23.6°C | 42.2°C | 20.6°C | 46 mm | 50% | 3.7 m/s | 7.7 |
| 2010 | 35.7°C | 29.6°C | 23.6°C | 39.4°C | 20.3°C | 59 mm | 63% | 3 m/s | 6.6 |
| 2009 | 34.7°C | 28.3°C | 22.0°C | 40.9°C | 14.7°C | 77 mm | 63% | 3 m/s | 7.1 |
| 2008 | 35.5°C | 29.1°C | 22.7°C | 37.9°C | 20.1°C | 56 mm | 61% | 3.9 m/s | 6.9 |
| 2007 🌧️ | 28.8°C | 25.2°C | 21.5°C | 31.8°C | 17.8°C | 269 mm | 84% | 2.7 m/s | 5.5 |
| 2006 | 36.0°C | 28.9°C | 21.9°C | 39.7°C | 17.3°C | 27 mm | 50% | 2.8 m/s | 7.3 |
| 2005 | 36.1°C | 29.4°C | 22.6°C | 40.5°C | 18.5°C | 13 mm | 54% | 2.6 m/s | 7 |
| 2004 | 29.4°C | 25.5°C | 21.6°C | 35.8°C | 18.3°C | 230 mm | 82% | 2.5 m/s | 5.5 |
| 2003 | 32.3°C | 26.6°C | 20.9°C | 37.2°C | 17.2°C | 106 mm | 69% | 2.5 m/s | 6.2 |
| 2002 | 32.9°C | 27.0°C | 21.2°C | 35.6°C | 17.3°C | 72 mm | 67% | 2.5 m/s | 6.6 |
| 2001 | 32.2°C | 26.4°C | 20.6°C | 34.9°C | 15.2°C | 64 mm | 70% | 3.1 m/s | 6.9 |
| 2000 | 30.2°C | 25.6°C | 20.9°C | 34.4°C | 13.1°C | 180 mm | 77% | 3.1 m/s | 5.4 |
| 1999 | 31.9°C | 26.9°C | 21.8°C | 35.8°C | 17.3°C | 65 mm | 73% | 3.2 m/s | 6.1 |
| 1998 | 37.1°C | 30.3°C | 23.5°C | 41.0°C | 13.9°C | 44 mm | 53% | 4.2 m/s | 7.2 |
| 1997 | 30.3°C | 25.5°C | 20.7°C | 33.9°C | 14.9°C | 103 mm | 78% | 2.5 m/s | 6.5 |
| 1996 | 35.6°C | 29.0°C | 22.4°C | 41.5°C | 16.2°C | 73 mm | 58% | 2.8 m/s | 6.8 |
| 1995 | 30.2°C | 24.9°C | 19.6°C | 34.0°C | 13.8°C | 71 mm | 74% | 2.6 m/s | 6.7 |
| 1994 | 34.2°C | 28.2°C | 22.2°C | 42.2°C | 18.8°C | 55 mm | 70% | 2.9 m/s | 6.7 |
| 1993 | 31.7°C | 26.7°C | 21.7°C | 37.8°C | 13.4°C | 102 mm | 77% | 3.3 m/s | 6.1 |
| 1992 | 29.6°C | 25.0°C | 20.4°C | 34.4°C | 14.9°C | 148 mm | 81% | 2.3 m/s | 6.1 |
| 1991 | 32.0°C | 27.0°C | 22.0°C | 35.4°C | 19.0°C | 101 mm | 75% | 2.6 m/s | 6.5 |
| 1990 | 33.4°C | 27.7°C | 22.0°C | 36.8°C | 18.5°C | 42 mm | 71% | 3.4 m/s | 7.1 |
| 1989 ❄️ | 29.0°C | 24.2°C | 19.5°C | 31.9°C | 13.1°C | 248 mm | 80% | 2.7 m/s | 6.2 |
| 1988 | 33.4°C | 27.0°C | 20.6°C | 38.7°C | 12.9°C | 47 mm | 60% | 2.3 m/s | 6.5 |
| 1987 | 29.9°C | 25.4°C | 20.9°C | 33.3°C | 14.6°C | 131 mm | 79% | 2.4 m/s | 6.2 |
| 1986 | 30.1°C | 25.9°C | 21.6°C | 34.5°C | 18.1°C | 141 mm | 80% | 2.3 m/s | 6.2 |
| 1985 | 31.7°C | 25.8°C | 19.9°C | 36.5°C | 13.8°C | 92 mm | 68% | 3 m/s | 6.6 |
| 1984 | 35.7°C | 29.0°C | 22.3°C | 41.0°C | 14.1°C | 61 mm | 55% | 3.6 m/s | 6.5 |
| 1983 | 30.8°C | 24.9°C | 19.1°C | 36.7°C | 10.4°C | 92 mm | 72% | 2.9 m/s | — |
| 1982 | 29.4°C | 24.6°C | 19.8°C | 32.2°C | 12.3°C | 145 mm | 79% | 2.4 m/s | — |
| 1981 | 30.3°C | 26.0°C | 21.6°C | 34.5°C | 14.7°C | 156 mm | 80% | 3.4 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 32.7°C with lows near 21.7°C (mean 27.2°C), based on 45 years of NASA POWER data.
June averages 97 mm of rainfall in Richardson, a relatively wet time of year. The wettest on record was 269 mm in 2007.
The hottest June reached 43.1°C in 2023. The coldest dipped to 10.4°C in 1983.
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 31.6°C to 33.8°C and overnight lows from 20.5°C to 22.9°C over the same span.
June is one of the warmer months of the year in Richardson and a relatively wet time of year, so plan for around 32.7°C daytime highs and 21.7°C at night.
Not quite — June is the 10th coolest month in Richardson, averaging 27.2°C.
For June in Richardson, pack light, breathable clothing and sun protection, with typical highs of 32.7°C and lows of 21.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 70% — moderately humid.
Average wind speed in June is 2.9 m/s. The windiest June on record averaged 4.2 m/s (1998).
The wettest June on record was 2007 with 269 mm. On average, June sees 97 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 Richardson 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.
