July is one of the warmer months of the year in Griffin, with average highs near 33.9°C and lows around 21.4°C (mean 27.7°C). It is a relatively wet time of year, averaging 122 mm of rainfall and 71% relative humidity across the period.
July is one of the warmer months of the year in Griffin. Across 45 years of records, the warmest July in Griffin was 1993 — when the month averaged 29.9°C — while the coldest was 1994 at 24.8°C. Typical July days reach 33.9°C with nights near 21.4°C. The long-term trend is warming, about 0.2°C per decade.
July is a relatively wet time of year in Griffin, averaging 122 mm of rainfall. The wettest July on record was 1994 with 373 mm, while the driest was 1993 at 45 mm.
Relative humidity in Griffin during July averages 71%. The most humid July was 1989 at 85%, and the least humid was 1986 at 56%.
July receives about 5.9 kWh/m²/day of solar energy in Griffin. The sunniest Julys were 1993 and 2010 at 6.6 kWh/m²/day, and the cloudiest was 2013 at 5.
Average wind speed in Griffin during July is 0.1 m/s. The windiest Julys were 2023, 2024 and 2025, among others at 0.1 m/s, while the calmest was 1983 at 0 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 27.3°C | 27.6°C | 27.3°C | 27.9°C | 28.3°C | +1°C |
| Avg High | 33.6°C | 33.7°C | 33.6°C | 34.1°C | 34.8°C | +1.2°C |
| Avg Low | 21.0°C | 21.6°C | 21.0°C | 21.7°C | 21.8°C | +0.8°C |
| Avg Rain | 125 mm | 129 mm | 122 mm | 114 mm | 118 mm | -7 mm |
July temperatures in Griffin have risen by about 1.1°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 14.3°C (1983) to a record high of 41.1°C (1999).
Rainfall in July is a relatively wet time of year, averaging 122 mm, with a wettest year of 373 mm.
A good time to visit Griffin
July is a good time to visit Griffin, with days averaging 33.9°C and nights around 21.4°C (mean 27.7°C, warmer than Griffin's yearly average) and higher rainfall. May and September 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 | 36.5°C | 29.4°C | 22.4°C | 39.7°C | 20.3°C | 76 mm | 66% | 0.1 m/s | 6.5 |
| 2024 | 35.0°C | 28.5°C | 22.1°C | 40.3°C | 18.5°C | 202 mm | 71% | 0.1 m/s | 5.6 |
| 2023 | 35.5°C | 28.5°C | 21.5°C | 38.8°C | 17.6°C | 82 mm | 68% | 0.1 m/s | 6.3 |
| 2022 | 34.7°C | 28.4°C | 22.1°C | 37.7°C | 20.2°C | 120 mm | 71% | 0.1 m/s | 5.9 |
| 2021 | 32.8°C | 26.8°C | 20.8°C | 39.0°C | 16.0°C | 134 mm | 75% | 0.1 m/s | 5.8 |
| 2020 | 34.5°C | 28.2°C | 21.9°C | 39.0°C | 19.1°C | 92 mm | 70% | 0.1 m/s | 6.3 |
| 2019 | 35.1°C | 28.3°C | 21.6°C | 37.8°C | 16.9°C | 79 mm | 65% | 0.1 m/s | 6.2 |
| 2018 | 33.2°C | 27.2°C | 21.3°C | 37.5°C | 17.9°C | 140 mm | 75% | 0.1 m/s | 6.2 |
| 2017 | 33.6°C | 27.5°C | 21.4°C | 37.5°C | 16.0°C | 114 mm | 75% | 0.1 m/s | 6.5 |
| 2016 | 36.1°C | 29.3°C | 22.5°C | 38.9°C | 20.7°C | 70 mm | 65% | 0.1 m/s | 6.3 |
| 2015 | 34.7°C | 28.4°C | 22.0°C | 38.6°C | 19.4°C | 96 mm | 71% | 0.1 m/s | 6.3 |
| 2014 | 32.7°C | 26.4°C | 20.1°C | 37.7°C | 14.8°C | 109 mm | 72% | 0.1 m/s | 6.1 |
| 2013 | 30.1°C | 25.5°C | 20.9°C | 34.5°C | 16.7°C | 220 mm | 84% | 0.1 m/s | 5 |
| 2012 | 35.2°C | 28.8°C | 22.3°C | 41.1°C | 19.0°C | 108 mm | 68% | 0.1 m/s | 6.3 |
| 2011 | 34.9°C | 28.7°C | 22.6°C | 39.5°C | 19.4°C | 97 mm | 70% | 0.1 m/s | 6 |
| 2010 | 35.4°C | 28.8°C | 22.2°C | 40.1°C | 16.2°C | 108 mm | 70% | 0.1 m/s | 6.6 |
| 2009 | 32.6°C | 26.3°C | 20.0°C | 35.5°C | 14.8°C | 91 mm | 70% | 0.1 m/s | 6.1 |
| 2008 | 34.4°C | 27.5°C | 20.5°C | 37.7°C | 15.9°C | 102 mm | 65% | 0.1 m/s | 6.2 |
| 2007 | 32.5°C | 26.4°C | 20.3°C | 35.1°C | 16.5°C | 130 mm | 71% | 0.1 m/s | 5.2 |
| 2006 | 35.8°C | 28.7°C | 21.5°C | 39.1°C | 16.6°C | 79 mm | 61% | 0.1 m/s | 5.9 |
| 2005 | 32.4°C | 27.3°C | 22.2°C | 39.0°C | 19.7°C | 280 mm | 80% | 0.1 m/s | 5.2 |
| 2004 | 33.8°C | 27.4°C | 21.1°C | 38.3°C | 17.7°C | 82 mm | 71% | 0.1 m/s | 6.2 |
| 2003 | 31.0°C | 26.0°C | 21.0°C | 33.7°C | 18.4°C | 182 mm | 82% | 0.1 m/s | 5.8 |
| 2002 | 34.4°C | 27.9°C | 21.4°C | 38.8°C | 19.9°C | 116 mm | 70% | 0.1 m/s | 6 |
| 2001 | 33.1°C | 26.7°C | 20.4°C | 35.6°C | 16.3°C | 88 mm | 71% | 0.1 m/s | 5.9 |
| 2000 | 36.1°C | 28.7°C | 21.2°C | 40.0°C | 18.1°C | 74 mm | 57% | 0.1 m/s | 6.2 |
| 1999 | 34.0°C | 27.5°C | 21.0°C | 41.1°C | 17.2°C | 78 mm | 73% | 0.1 m/s | 5.9 |
| 1998 | 34.9°C | 28.7°C | 22.6°C | 38.2°C | 20.1°C | 94 mm | 69% | 0.1 m/s | 5.9 |
| 1997 | 33.5°C | 27.5°C | 21.5°C | 36.4°C | 17.4°C | 122 mm | 74% | 0.1 m/s | 6.2 |
| 1996 | 34.3°C | 27.7°C | 21.1°C | 38.2°C | 17.1°C | 100 mm | 67% | 0.1 m/s | 5.6 |
| 1995 | 35.5°C | 28.6°C | 21.8°C | 39.6°C | 18.2°C | 64 mm | 64% | 0.1 m/s | 6.3 |
| 1994 ❄️ 🌧️ | 29.4°C | 24.8°C | 20.3°C | 32.3°C | 16.1°C | 373 mm | 85% | 0.1 m/s | 5.1 |
| 1993 🔥 | 37.2°C | 29.9°C | 22.6°C | 39.8°C | 18.2°C | 45 mm | 61% | 0.1 m/s | 6.6 |
| 1992 | 33.0°C | 27.4°C | 21.7°C | 39.1°C | 19.7°C | 137 mm | 75% | 0.1 m/s | 5.7 |
| 1991 | 31.2°C | 26.5°C | 21.9°C | 34.8°C | 19.9°C | 159 mm | 82% | 0.1 m/s | 5.7 |
| 1990 | 33.9°C | 27.5°C | 21.2°C | 37.8°C | 17.6°C | 116 mm | 67% | 0.1 m/s | 6.1 |
| 1989 | 29.8°C | 25.3°C | 20.9°C | 33.7°C | 18.0°C | 210 mm | 85% | 0.1 m/s | 5.4 |
| 1988 | 34.3°C | 27.5°C | 20.6°C | 39.3°C | 15.5°C | 99 mm | 65% | 0.1 m/s | 5.5 |
| 1987 | 33.6°C | 27.1°C | 20.5°C | 39.6°C | 15.6°C | 77 mm | 71% | 0.1 m/s | 6.3 |
| 1986 | 37.1°C | 29.7°C | 22.4°C | 41.0°C | 17.5°C | 62 mm | 56% | 0.1 m/s | 6.3 |
| 1985 | 32.8°C | 26.7°C | 20.5°C | 36.5°C | 16.6°C | 165 mm | 72% | 0.1 m/s | 5.1 |
| 1984 | 31.9°C | 26.2°C | 20.5°C | 38.2°C | 18.1°C | 232 mm | 76% | 0.1 m/s | 5.1 |
| 1983 | 35.1°C | 28.1°C | 21.0°C | 39.2°C | 14.3°C | 47 mm | 66% | 0 m/s | — |
| 1982 | 31.5°C | 26.2°C | 21.0°C | 36.1°C | 18.7°C | 146 mm | 79% | 0.1 m/s | — |
| 1981 | 36.3°C | 29.0°C | 21.7°C | 39.8°C | 17.8°C | 86 mm | 62% | 0.1 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 33.9°C with lows near 21.4°C (mean 27.7°C), based on 45 years of NASA POWER data.
July averages 122 mm of rainfall in Griffin, a relatively wet time of year. The wettest on record was 373 mm in 1994.
The hottest July reached 41.1°C in 1999. The coldest dipped to 14.3°C in 1983.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 1.1°C. Daytime highs moved from 33.5°C to 34.9°C and overnight lows from 20.9°C to 21.8°C over the same span.
July is one of the warmer months of the year in Griffin and a relatively wet time of year, so plan for around 33.9°C daytime highs and 21.4°C at night.
Not quite — July is the 12th coolest month in Griffin, averaging 27.7°C.
For July in Griffin, pack light, breathable clothing and sun protection, with typical highs of 33.9°C and lows of 21.4°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 1994 with 373 mm. On average, July sees 122 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 Griffin 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.
