July is one of the warmer months of the year in Newnan, with average highs near 33.3°C and lows around 20.8°C (mean 27.1°C). It is a relatively wet time of year, averaging 121 mm of rainfall and 71% relative humidity across the period.
July is one of the warmer months of the year in Newnan. Across 45 years of records, the warmest July in Newnan was 1993 — when the month averaged 29.3°C — while the coldest was 1994 at 24.3°C. Typical July days reach 33.3°C with nights near 20.8°C. The long-term trend is warming, about 0.3°C per decade.
July is a relatively wet time of year in Newnan, averaging 121 mm of rainfall. The wettest July on record was 2005 with 290 mm, while the driest was 1993 at 41 mm.
Relative humidity in Newnan during July averages 71%. The most humid July was 1989 at 85%, and the least humid was 2000 at 56%.
July receives about 5.9 kWh/m²/day of solar energy in Newnan. The sunniest Julys were 1993 and 2010 at 6.6 kWh/m²/day, and the cloudiest was 2013 at 5.
Average wind speed in Newnan during July is 0.1 m/s. The windiest Julys were 2021, 2023 and 2024, among others at 0.1 m/s, while the calmest were 2016, 2022 and 2025, 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 | 26.6°C | 27.0°C | 26.8°C | 27.4°C | 27.9°C | +1.3°C |
| Avg High | 32.7°C | 33.0°C | 33.1°C | 33.6°C | 34.5°C | +1.8°C |
| Avg Low | 20.4°C | 21.0°C | 20.5°C | 21.2°C | 21.3°C | +0.9°C |
| Avg Rain | 133 mm | 117 mm | 124 mm | 112 mm | 119 mm | -14 mm |
July temperatures in Newnan have risen by about 1.5°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 13.3°C (2014) to a record high of 41.1°C (2012).
Rainfall in July is a relatively wet time of year, averaging 121 mm, with a wettest year of 290 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.4°C per decade while lows rose 0.2°C per decade, widening the gap between day and night.
A good time to visit Newnan
July is a good time to visit Newnan, with days averaging 33.3°C and nights around 20.8°C (mean 27.1°C, warmer than Newnan's yearly average) and higher rainfall. September and May are marginally more temperate, but July still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 35.7°C | 28.8°C | 22.0°C | 39.4°C | 19.4°C | 82 mm | 67% | 0 m/s | 6.5 |
| 2024 | 34.6°C | 28.2°C | 21.8°C | 39.8°C | 18.6°C | 199 mm | 70% | 0.1 m/s | 5.6 |
| 2023 | 34.7°C | 27.8°C | 20.8°C | 39.5°C | 17.4°C | 94 mm | 70% | 0.1 m/s | 6.3 |
| 2022 | 34.9°C | 28.2°C | 21.5°C | 37.6°C | 18.1°C | 127 mm | 70% | 0 m/s | 5.9 |
| 2021 | 32.4°C | 26.3°C | 20.2°C | 38.5°C | 15.0°C | 136 mm | 75% | 0.1 m/s | 5.8 |
| 2020 | 34.5°C | 28.0°C | 21.6°C | 39.1°C | 18.9°C | 77 mm | 69% | 0.1 m/s | 6.3 |
| 2019 | 34.4°C | 27.6°C | 20.8°C | 37.7°C | 15.8°C | 81 mm | 67% | 0.1 m/s | 6.2 |
| 2018 | 33.0°C | 27.0°C | 20.9°C | 36.8°C | 17.7°C | 136 mm | 75% | 0.1 m/s | 6.2 |
| 2017 | 33.2°C | 27.1°C | 21.0°C | 37.6°C | 15.2°C | 105 mm | 75% | 0.1 m/s | 6.5 |
| 2016 | 35.5°C | 28.8°C | 22.1°C | 38.2°C | 19.7°C | 76 mm | 66% | 0 m/s | 6.3 |
| 2015 | 34.2°C | 27.9°C | 21.5°C | 38.0°C | 19.3°C | 102 mm | 72% | 0.1 m/s | 6.3 |
| 2014 | 32.1°C | 25.7°C | 19.3°C | 35.8°C | 13.3°C | 80 mm | 71% | 0 m/s | 6.1 |
| 2013 | 29.5°C | 25.0°C | 20.4°C | 34.5°C | 16.0°C | 224 mm | 83% | 0.1 m/s | 5 |
| 2012 | 35.1°C | 28.4°C | 21.8°C | 41.1°C | 18.2°C | 111 mm | 68% | 0 m/s | 6.3 |
| 2011 | 34.4°C | 28.3°C | 22.1°C | 37.4°C | 18.7°C | 99 mm | 72% | 0 m/s | 6 |
| 2010 | 35.0°C | 28.4°C | 21.8°C | 39.5°C | 15.7°C | 102 mm | 69% | 0.1 m/s | 6.6 |
| 2009 | 31.6°C | 25.5°C | 19.3°C | 35.2°C | 13.7°C | 103 mm | 72% | 0 m/s | 6.1 |
| 2008 | 33.8°C | 26.9°C | 20.0°C | 38.1°C | 14.8°C | 122 mm | 65% | 0.1 m/s | 6.2 |
| 2007 | 32.1°C | 26.0°C | 19.9°C | 35.7°C | 16.4°C | 118 mm | 70% | 0 m/s | 5.2 |
| 2006 | 35.6°C | 28.5°C | 21.4°C | 38.4°C | 16.1°C | 67 mm | 61% | 0.1 m/s | 5.9 |
| 2005 🌧️ | 31.8°C | 26.7°C | 21.6°C | 38.4°C | 18.7°C | 290 mm | 80% | 0.1 m/s | 5.2 |
| 2004 | 33.0°C | 26.8°C | 20.6°C | 37.8°C | 17.4°C | 89 mm | 72% | 0.1 m/s | 6.2 |
| 2003 | 30.5°C | 25.4°C | 20.2°C | 33.2°C | 16.6°C | 185 mm | 81% | 0.1 m/s | 5.8 |
| 2002 | 34.1°C | 27.5°C | 20.9°C | 38.5°C | 19.7°C | 113 mm | 71% | 0 m/s | 6 |
| 2001 | 32.7°C | 26.3°C | 20.0°C | 35.3°C | 16.6°C | 87 mm | 71% | 0.1 m/s | 5.9 |
| 2000 | 35.7°C | 28.3°C | 20.8°C | 39.1°C | 16.8°C | 61 mm | 56% | 0 m/s | 6.2 |
| 1999 | 33.3°C | 26.8°C | 20.4°C | 40.3°C | 17.1°C | 93 mm | 75% | 0.1 m/s | 5.9 |
| 1998 | 33.6°C | 27.7°C | 21.8°C | 38.3°C | 19.4°C | 113 mm | 73% | 0 m/s | 5.9 |
| 1997 | 32.7°C | 26.7°C | 20.7°C | 36.7°C | 16.6°C | 118 mm | 76% | 0 m/s | 6.2 |
| 1996 | 33.7°C | 27.1°C | 20.5°C | 38.1°C | 15.7°C | 95 mm | 67% | 0 m/s | 5.6 |
| 1995 | 35.2°C | 28.2°C | 21.2°C | 38.8°C | 17.7°C | 59 mm | 63% | 0.1 m/s | 6.3 |
| 1994 ❄️ | 28.8°C | 24.3°C | 19.7°C | 32.8°C | 15.1°C | 264 mm | 84% | 0 m/s | 5.1 |
| 1993 🔥 | 36.5°C | 29.3°C | 22.0°C | 39.8°C | 17.3°C | 41 mm | 63% | 0.1 m/s | 6.6 |
| 1992 | 32.4°C | 26.9°C | 21.3°C | 37.9°C | 19.4°C | 136 mm | 75% | 0.1 m/s | 5.7 |
| 1991 | 30.9°C | 26.2°C | 21.4°C | 34.2°C | 19.4°C | 146 mm | 82% | 0.1 m/s | 5.7 |
| 1990 | 33.1°C | 26.8°C | 20.5°C | 37.3°C | 16.6°C | 103 mm | 69% | 0.1 m/s | 6.1 |
| 1989 | 28.9°C | 24.7°C | 20.5°C | 32.8°C | 17.4°C | 214 mm | 85% | 0 m/s | 5.4 |
| 1988 | 33.8°C | 27.0°C | 20.3°C | 39.0°C | 15.1°C | 123 mm | 66% | 0.1 m/s | 5.5 |
| 1987 | 32.9°C | 26.4°C | 19.9°C | 38.3°C | 15.2°C | 97 mm | 71% | 0.1 m/s | 6.3 |
| 1986 | 36.5°C | 29.1°C | 21.7°C | 39.7°C | 16.3°C | 70 mm | 57% | 0.1 m/s | 6.3 |
| 1985 | 31.7°C | 25.8°C | 19.9°C | 35.7°C | 16.3°C | 193 mm | 73% | 0.1 m/s | 5.1 |
| 1984 | 31.1°C | 25.4°C | 19.7°C | 37.0°C | 16.3°C | 238 mm | 77% | 0 m/s | 5.1 |
| 1983 | 33.5°C | 26.9°C | 20.4°C | 37.2°C | 16.8°C | 54 mm | 70% | 0 m/s | — |
| 1982 | 30.8°C | 25.7°C | 20.6°C | 35.7°C | 18.3°C | 128 mm | 80% | 0 m/s | — |
| 1981 | 35.5°C | 28.2°C | 21.0°C | 38.5°C | 16.6°C | 85 mm | 63% | 0.1 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 33.3°C with lows near 20.8°C (mean 27.1°C), based on 45 years of NASA POWER data.
July averages 121 mm of rainfall in Newnan, a relatively wet time of year. The wettest on record was 290 mm in 2005.
The hottest July reached 41.1°C in 2012. The coldest dipped to 13.3°C in 2014.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 1.5°C. Daytime highs moved from 32.5°C to 34.5°C and overnight lows from 20.3°C to 21.3°C over the same span.
July is one of the warmer months of the year in Newnan and a relatively wet time of year, so plan for around 33.3°C daytime highs and 20.8°C at night.
Not quite — July is the 12th coolest month in Newnan, averaging 27.1°C.
For July in Newnan, pack light, breathable clothing and sun protection, with typical highs of 33.3°C and lows of 20.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 71% — moderately humid.
Average wind speed in July is 0.1 m/s. The windiest July on record averaged 0.1 m/s (1981).
The wettest July on record was 2005 with 290 mm. On average, July sees 121 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 July, 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 July specifically, along with year-by-year records and how the month has changed over the decades.
