June is one of the warmer months of the year in Mcdonough, with average highs near 31°C and lows around 19.2°C (mean 25.1°C). It is about average for rainfall, averaging 102 mm of rainfall and 72% relative humidity across the period.
June is one of the warmer months of the year in Mcdonough. Across 45 years of records, the warmest June in Mcdonough was 2011 — when the month averaged 28°C — while the coldest were 1983 and 1997 at 22.2°C. Typical June days reach 31°C with nights near 19.2°C. The long-term trend is warming, about 0.3°C per decade.
June is about average for rainfall in Mcdonough, averaging 102 mm of rainfall. The wettest June on record was 1989 with 220 mm, while the driest was 1990 at 27 mm.
Relative humidity in Mcdonough during June averages 72%. The most humid June was 2013 at 84%, and the least humid was 1988 at 51%.
June receives about 6.1 kWh/m²/day of solar energy in Mcdonough. The sunniest Junes were 2008, 2011 and 2024, among others at 6.8 kWh/m²/day, and the cloudiest was 1997 at 5.
Average wind speed in Mcdonough during June is 1.1 m/s. The windiest June was 1998 at 1.3 m/s, while the calmest were 2015, 2018 and 2025, among others at 0.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 24.9°C | 24.3°C | 25.3°C | 25.6°C | 25.3°C | +0.4°C |
| Avg High | 31.0°C | 30.0°C | 31.3°C | 31.2°C | 31.5°C | +0.5°C |
| Avg Low | 18.8°C | 18.7°C | 19.2°C | 19.9°C | 19.2°C | +0.4°C |
| Avg Rain | 94 mm | 105 mm | 105 mm | 107 mm | 93 mm | -1 mm |
June temperatures in Mcdonough have risen by about 1°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 8.5°C (1984) to a record high of 42.4°C (2012).
Rainfall in June is about average for rainfall, averaging 102 mm, with a wettest year of 220 mm.
One of the best times to visit Mcdonough
June is one of the best times to visit Mcdonough. Expect days averaging 31°C and nights around 19.2°C (mean 25.1°C) — warmer than Mcdonough's yearly average — with higher rainfall (102 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 | 31.0°C | 25.6°C | 20.1°C | 36.6°C | 14.3°C | 111 mm | 76% | 0.9 m/s | 6.2 |
| 2024 | 33.8°C | 26.8°C | 19.9°C | 39.3°C | 15.0°C | 36 mm | 62% | 1.1 m/s | 6.8 |
| 2023 | 29.7°C | 23.7°C | 17.6°C | 35.2°C | 12.5°C | 107 mm | 74% | 1.1 m/s | 6.1 |
| 2022 | 34.5°C | 27.2°C | 20.0°C | 39.1°C | 15.6°C | 79 mm | 61% | 1.1 m/s | 6.6 |
| 2021 | 30.9°C | 24.9°C | 19.0°C | 34.7°C | 13.7°C | 128 mm | 72% | 1.1 m/s | 5.8 |
| 2020 | 29.3°C | 23.9°C | 18.6°C | 33.6°C | 13.5°C | 98 mm | 78% | 1.1 m/s | 5.9 |
| 2019 | 30.0°C | 24.8°C | 19.5°C | 33.1°C | 12.4°C | 154 mm | 77% | 1.2 m/s | 5.8 |
| 2018 | 31.0°C | 25.6°C | 20.2°C | 34.4°C | 14.7°C | 125 mm | 78% | 0.9 m/s | 6.5 |
| 2017 | 29.0°C | 24.0°C | 19.1°C | 32.8°C | 14.6°C | 175 mm | 78% | 1 m/s | 5.5 |
| 2016 | 33.7°C | 27.1°C | 20.4°C | 37.6°C | 14.6°C | 59 mm | 65% | 1.1 m/s | 6.6 |
| 2015 | 31.5°C | 25.9°C | 20.3°C | 36.2°C | 15.9°C | 74 mm | 74% | 0.9 m/s | 6.6 |
| 2014 | 29.6°C | 24.7°C | 19.9°C | 32.8°C | 16.2°C | 92 mm | 80% | 0.9 m/s | 6 |
| 2013 | 28.8°C | 24.1°C | 19.4°C | 32.6°C | 16.6°C | 175 mm | 84% | 1.1 m/s | 5.9 |
| 2012 | 32.2°C | 25.2°C | 18.2°C | 42.4°C | 11.9°C | 59 mm | 64% | 1.2 m/s | 6.6 |
| 2011 🔥 | 34.9°C | 28.0°C | 21.2°C | 37.2°C | 19.7°C | 71 mm | 63% | 1.1 m/s | 6.8 |
| 2010 | 31.7°C | 26.5°C | 21.3°C | 35.5°C | 17.0°C | 87 mm | 78% | 0.9 m/s | 6.5 |
| 2009 | 30.5°C | 25.3°C | 20.1°C | 33.9°C | 16.4°C | 48 mm | 77% | 1.1 m/s | 6.7 |
| 2008 | 34.0°C | 27.0°C | 20.0°C | 38.4°C | 14.4°C | 55 mm | 60% | 1 m/s | 6.8 |
| 2007 | 33.7°C | 26.5°C | 19.3°C | 37.8°C | 16.3°C | 71 mm | 59% | 1.1 m/s | 6.3 |
| 2006 | 33.3°C | 26.1°C | 18.8°C | 38.8°C | 12.8°C | 84 mm | 59% | 1.1 m/s | 6.8 |
| 2005 | 29.1°C | 24.1°C | 19.2°C | 33.2°C | 15.2°C | 119 mm | 80% | 1.1 m/s | 5.6 |
| 2004 | 31.3°C | 25.8°C | 20.2°C | 36.0°C | 14.7°C | 161 mm | 73% | 1 m/s | 5.1 |
| 2003 | 28.0°C | 23.0°C | 18.0°C | 30.6°C | 11.3°C | 216 mm | 82% | 1 m/s | 5.9 |
| 2002 | 31.8°C | 25.5°C | 19.1°C | 37.3°C | 14.6°C | 80 mm | 66% | 1.2 m/s | 6.3 |
| 2001 | 28.1°C | 23.0°C | 17.9°C | 30.8°C | 12.2°C | 161 mm | 81% | 1 m/s | 5.7 |
| 2000 | 33.5°C | 26.3°C | 19.0°C | 36.9°C | 11.1°C | 56 mm | 59% | 1.1 m/s | 6.3 |
| 1999 | 30.4°C | 24.5°C | 18.7°C | 36.3°C | 13.8°C | 166 mm | 71% | 1.2 m/s | 5.4 |
| 1998 | 31.9°C | 25.9°C | 19.9°C | 35.8°C | 10.2°C | 78 mm | 74% | 1.3 m/s | 6.6 |
| 1997 | 27.0°C | 22.2°C | 17.3°C | 31.5°C | 10.3°C | 111 mm | 83% | 1.1 m/s | 5 |
| 1996 | 30.3°C | 24.4°C | 18.4°C | 36.6°C | 12.4°C | 66 mm | 71% | 1 m/s | 6.4 |
| 1995 | 30.0°C | 24.0°C | 18.0°C | 34.1°C | 10.8°C | 118 mm | 71% | 1.1 m/s | 5.9 |
| 1994 | 29.8°C | 24.9°C | 19.9°C | 33.1°C | 17.0°C | 161 mm | 79% | 1.1 m/s | 5.8 |
| 1993 | 31.0°C | 24.9°C | 18.8°C | 34.3°C | 14.4°C | 63 mm | 72% | 1 m/s | 6.3 |
| 1992 | 29.8°C | 23.9°C | 17.9°C | 35.0°C | 12.0°C | 130 mm | 74% | 1.1 m/s | 5.4 |
| 1991 | 27.8°C | 23.4°C | 19.0°C | 32.4°C | 11.9°C | 130 mm | 83% | 1 m/s | 5.7 |
| 1990 | 31.7°C | 25.1°C | 18.6°C | 37.8°C | 12.6°C | 27 mm | 68% | 1.1 m/s | 6.5 |
| 1989 🌧️ | 27.9°C | 23.6°C | 19.3°C | 31.8°C | 14.9°C | 220 mm | 82% | 1.2 m/s | 5.2 |
| 1988 | 34.0°C | 25.9°C | 17.7°C | 38.7°C | 9.8°C | 31 mm | 51% | 1.1 m/s | 6.2 |
| 1987 | 29.5°C | 24.4°C | 19.2°C | 35.0°C | 12.7°C | 166 mm | 76% | 1 m/s | 6 |
| 1986 | 34.2°C | 27.3°C | 20.4°C | 39.0°C | 16.8°C | 41 mm | 60% | 1 m/s | 6.2 |
| 1985 | 32.1°C | 25.5°C | 18.9°C | 37.6°C | 11.3°C | 85 mm | 64% | 1.1 m/s | 5.9 |
| 1984 | 30.8°C | 24.5°C | 18.2°C | 34.8°C | 8.5°C | 43 mm | 72% | 0.9 m/s | 6.5 |
| 1983 ❄️ | 27.4°C | 22.2°C | 17.0°C | 32.2°C | 10.6°C | 95 mm | 78% | 1 m/s | — |
| 1982 | 29.0°C | 23.5°C | 18.0°C | 32.0°C | 13.6°C | 92 mm | 78% | 1.1 m/s | — |
| 1981 | 33.8°C | 27.1°C | 20.3°C | 38.7°C | 15.7°C | 76 mm | 65% | 1.1 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 31°C with lows near 19.2°C (mean 25.1°C), based on 45 years of NASA POWER data.
June averages 102 mm of rainfall in Mcdonough, about average for rainfall. The wettest on record was 220 mm in 1989.
The hottest June reached 42.4°C in 2012. The coldest dipped to 8.5°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°C. Daytime highs moved from 30.6°C to 32°C and overnight lows from 18.5°C to 19.3°C over the same span.
June is one of the warmer months of the year in Mcdonough and about average for rainfall, so plan for around 31°C daytime highs and 19.2°C at night.
Not quite — June is the 10th coolest month in Mcdonough, averaging 25.1°C.
For June in Mcdonough, pack light, breathable clothing and sun protection, with typical highs of 31°C and lows of 19.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 72% — moderately humid.
Average wind speed in June is 1.1 m/s. The windiest June on record averaged 1.3 m/s (1998).
The wettest June on record was 1989 with 220 mm. On average, June sees 102 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 Mcdonough 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.
