June is one of the warmer months of the year in Newnan, with average highs near 31.3°C and lows around 18.9°C (mean 25.1°C). It is about average for rainfall, averaging 103 mm of rainfall and 72% relative humidity across the period.
June is one of the warmer months of the year in Newnan. Across 45 years of records, the warmest June in Newnan was 2011 — when the month averaged 27.7°C — while the coldest were 1983 and 1997 at 22.3°C. Typical June days reach 31.3°C with nights near 18.9°C. The long-term trend is warming, about 0.3°C per decade.
June is about average for rainfall in Newnan, averaging 103 mm of rainfall. The wettest June on record was 1989 with 268 mm, while the driest was 1988 at 24 mm.
Relative humidity in Newnan during June averages 72%. The most humid June was 1997 at 84%, and the least humid was 1988 at 53%.
June receives about 6.1 kWh/m²/day of solar energy in Newnan. 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 Newnan during June is 0.1 m/s. The windiest Junes were 2022, 2023 and 2025, among others at 0.1 m/s, while the calmest were 2019, 2020 and 2024, among others at 0 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 24.8°C | 24.5°C | 25.2°C | 25.7°C | 25.4°C | +0.6°C |
| Avg High | 31.2°C | 30.5°C | 31.6°C | 31.6°C | 31.9°C | +0.7°C |
| Avg Low | 18.4°C | 18.5°C | 18.8°C | 19.7°C | 19.0°C | +0.6°C |
| Avg Rain | 106 mm | 107 mm | 98 mm | 108 mm | 96 mm | -10 mm |
June temperatures in Newnan have risen by about 1.1°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 8.2°C (1984) to a record high of 42.1°C (2012).
Rainfall in June is about average for rainfall, averaging 103 mm, with a wettest year of 268 mm.
One of the best times to visit Newnan
June is one of the best times to visit Newnan. Expect days averaging 31.3°C and nights around 18.9°C (mean 25.1°C) — warmer than Newnan's yearly average — with higher rainfall (103 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 | 31.6°C | 25.8°C | 20.0°C | 38.4°C | 13.9°C | 116 mm | 76% | 0.1 m/s | 6.2 |
| 2024 | 34.1°C | 26.8°C | 19.6°C | 39.7°C | 14.2°C | 41 mm | 63% | 0 m/s | 6.8 |
| 2023 | 30.5°C | 23.9°C | 17.3°C | 37.7°C | 12.2°C | 110 mm | 74% | 0.1 m/s | 6.1 |
| 2022 | 34.6°C | 27.0°C | 19.5°C | 39.1°C | 14.8°C | 81 mm | 62% | 0.1 m/s | 6.6 |
| 2021 | 31.0°C | 24.9°C | 18.9°C | 34.5°C | 14.2°C | 133 mm | 73% | 0.1 m/s | 5.8 |
| 2020 | 29.7°C | 24.1°C | 18.5°C | 34.3°C | 13.6°C | 93 mm | 78% | 0 m/s | 5.9 |
| 2019 | 30.4°C | 24.8°C | 19.2°C | 34.2°C | 12.0°C | 154 mm | 77% | 0 m/s | 5.8 |
| 2018 | 31.9°C | 26.0°C | 20.1°C | 35.8°C | 14.0°C | 129 mm | 77% | 0.1 m/s | 6.5 |
| 2017 | 29.3°C | 24.0°C | 18.6°C | 33.9°C | 13.9°C | 187 mm | 80% | 0.1 m/s | 5.5 |
| 2016 | 33.8°C | 26.9°C | 20.0°C | 37.9°C | 13.8°C | 59 mm | 66% | 0.1 m/s | 6.6 |
| 2015 | 32.3°C | 26.2°C | 20.0°C | 37.7°C | 15.5°C | 71 mm | 74% | 0.1 m/s | 6.6 |
| 2014 | 29.6°C | 24.8°C | 20.0°C | 33.4°C | 16.3°C | 115 mm | 81% | 0.1 m/s | 6 |
| 2013 | 29.4°C | 24.4°C | 19.4°C | 33.0°C | 16.4°C | 160 mm | 83% | 0 m/s | 5.9 |
| 2012 | 32.6°C | 25.3°C | 18.0°C | 42.1°C | 11.4°C | 51 mm | 64% | 0 m/s | 6.6 |
| 2011 🔥 | 34.7°C | 27.7°C | 20.7°C | 38.0°C | 18.3°C | 83 mm | 65% | 0 m/s | 6.8 |
| 2010 | 32.3°C | 26.7°C | 21.1°C | 36.6°C | 16.3°C | 69 mm | 77% | 0.1 m/s | 6.5 |
| 2009 | 31.1°C | 25.5°C | 19.8°C | 34.9°C | 15.8°C | 40 mm | 77% | 0.1 m/s | 6.7 |
| 2008 | 33.9°C | 26.7°C | 19.5°C | 38.7°C | 14.0°C | 55 mm | 62% | 0.1 m/s | 6.8 |
| 2007 | 33.7°C | 26.4°C | 19.0°C | 38.0°C | 15.4°C | 61 mm | 58% | 0.1 m/s | 6.3 |
| 2006 | 33.4°C | 25.9°C | 18.4°C | 38.6°C | 12.0°C | 71 mm | 59% | 0.1 m/s | 6.8 |
| 2005 | 30.1°C | 24.5°C | 19.0°C | 35.2°C | 14.2°C | 107 mm | 78% | 0.1 m/s | 5.6 |
| 2004 | 31.3°C | 25.5°C | 19.7°C | 35.8°C | 14.1°C | 135 mm | 74% | 0.1 m/s | 5.1 |
| 2003 | 28.3°C | 23.2°C | 18.0°C | 32.7°C | 11.5°C | 209 mm | 82% | 0.1 m/s | 5.9 |
| 2002 | 31.9°C | 25.3°C | 18.7°C | 37.6°C | 13.8°C | 79 mm | 66% | 0.1 m/s | 6.3 |
| 2001 | 28.5°C | 23.1°C | 17.7°C | 32.1°C | 12.1°C | 169 mm | 81% | 0.1 m/s | 5.7 |
| 2000 | 33.4°C | 25.9°C | 18.4°C | 37.4°C | 10.8°C | 49 mm | 60% | 0.1 m/s | 6.3 |
| 1999 | 30.1°C | 24.2°C | 18.4°C | 35.9°C | 13.1°C | 198 mm | 74% | 0.1 m/s | 5.4 |
| 1998 | 32.3°C | 26.1°C | 19.8°C | 36.9°C | 10.4°C | 94 mm | 74% | 0.1 m/s | 6.6 |
| 1997 | 27.3°C | 22.3°C | 17.4°C | 32.8°C | 11.3°C | 144 mm | 84% | 0 m/s | 5 |
| 1996 | 31.6°C | 24.8°C | 18.1°C | 38.3°C | 13.1°C | 45 mm | 69% | 0.1 m/s | 6.4 |
| 1995 | 31.0°C | 24.4°C | 17.8°C | 37.7°C | 10.9°C | 80 mm | 69% | 0.1 m/s | 5.9 |
| 1994 | 30.4°C | 25.1°C | 19.8°C | 34.2°C | 17.2°C | 138 mm | 79% | 0.1 m/s | 5.8 |
| 1993 | 31.3°C | 24.9°C | 18.5°C | 34.6°C | 13.0°C | 75 mm | 73% | 0.1 m/s | 6.3 |
| 1992 | 30.2°C | 23.9°C | 17.6°C | 35.3°C | 11.8°C | 122 mm | 74% | 0.1 m/s | 5.4 |
| 1991 | 28.5°C | 23.7°C | 19.0°C | 34.4°C | 11.8°C | 128 mm | 82% | 0.1 m/s | 5.7 |
| 1990 | 32.0°C | 25.1°C | 18.2°C | 38.6°C | 12.3°C | 46 mm | 70% | 0 m/s | 6.5 |
| 1989 🌧️ | 27.9°C | 23.5°C | 19.0°C | 32.4°C | 13.3°C | 268 mm | 83% | 0.1 m/s | 5.2 |
| 1988 | 34.0°C | 25.5°C | 17.0°C | 38.5°C | 10.0°C | 24 mm | 53% | 0.1 m/s | 6.2 |
| 1987 | 29.9°C | 24.3°C | 18.6°C | 35.9°C | 12.3°C | 179 mm | 77% | 0.1 m/s | 6 |
| 1986 | 34.2°C | 27.0°C | 19.8°C | 38.7°C | 16.2°C | 38 mm | 62% | 0.1 m/s | 6.2 |
| 1985 | 32.2°C | 25.4°C | 18.7°C | 38.0°C | 10.4°C | 87 mm | 66% | 0.1 m/s | 5.9 |
| 1984 | 31.6°C | 24.8°C | 18.0°C | 35.3°C | 8.2°C | 56 mm | 72% | 0.1 m/s | 6.5 |
| 1983 ❄️ | 27.7°C | 22.3°C | 16.8°C | 32.7°C | 10.4°C | 107 mm | 80% | 0.1 m/s | — |
| 1982 | 29.3°C | 23.5°C | 17.7°C | 33.1°C | 13.0°C | 122 mm | 78% | 0.1 m/s | — |
| 1981 | 33.9°C | 26.9°C | 19.9°C | 38.5°C | 16.0°C | 69 mm | 66% | 0.1 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 31.3°C with lows near 18.9°C (mean 25.1°C), based on 45 years of NASA POWER data.
June averages 103 mm of rainfall in Newnan, about average for rainfall. The wettest on record was 268 mm in 1989.
The hottest June reached 42.1°C in 2012. The coldest dipped to 8.2°C in 1984.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 1.1°C. Daytime highs moved from 30.9°C to 32.4°C and overnight lows from 18.2°C to 19.1°C over the same span.
June is one of the warmer months of the year in Newnan and about average for rainfall, so plan for around 31.3°C daytime highs and 18.9°C at night.
Not quite — June is the 10th coolest month in Newnan, averaging 25.1°C.
For June in Newnan, pack light, breathable clothing and sun protection, with typical highs of 31.3°C and lows of 18.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 72% — moderately humid.
Average wind speed in June is 0.1 m/s. The windiest June on record averaged 0.1 m/s (1981).
The wettest June on record was 1989 with 268 mm. On average, June sees 103 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 Newnan 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.
