July is one of the warmer months of the year in Saint Augustine, with average highs near 30.4°C and lows around 25.3°C (mean 27.9°C). It is a relatively wet time of year, averaging 152 mm of rainfall and 81% relative humidity across the period.
July is one of the warmer months of the year in Saint Augustine. Across 45 years of records, the warmest Julys in Saint Augustine were 2016 and 2024 — when the month averaged 29.2°C — while the coldest were 1984 and 2013 at 26.6°C. Typical July days reach 30.4°C with nights near 25.3°C. The long-term July temperature trend is broadly flat.
July is a relatively wet time of year in Saint Augustine, averaging 152 mm of rainfall. The wettest July on record was 1991 with 296 mm, while the driest was 1996 at 52 mm.
Relative humidity in Saint Augustine during July averages 81%. The most humid July was 2013 at 87%, and the least humid was 1981 at 75%.
July receives about 5.9 kWh/m²/day of solar energy in Saint Augustine. The sunniest July was 2016 at 6.8 kWh/m²/day, and the cloudiest was 2021 at 5.2.
Average wind speed in Saint Augustine during July is 2 m/s. The windiest Julys were 1988 and 1996 at 2.4 m/s, while the calmest were 2003 and 2024 at 1.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 27.7°C | 28.0°C | 27.5°C | 27.9°C | 28.6°C | +0.9°C |
| Avg High | 30.2°C | 30.5°C | 30.0°C | 30.4°C | 31.2°C | +1°C |
| Avg Low | 25.1°C | 25.5°C | 25.1°C | 25.4°C | 26.0°C | +0.9°C |
| Avg Rain | 151 mm | 137 mm | 157 mm | 170 mm | 141 mm | -10 mm |
July temperatures in Saint Augustine have risen by about 1.1°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 23.1°C (2008) to a record high of 37°C (1981).
Rainfall in July is a relatively wet time of year, averaging 152 mm, with a wettest year of 296 mm.
A quieter season to visit Saint Augustine
If your dates are flexible, the more temperate months of April and November tend to be the most comfortable for visiting Saint Augustine. That said, July — with days averaging 30.4°C and nights around 25.3°C (mean 27.9°C) and higher rainfall (152 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 31.5°C | 28.6°C | 25.7°C | 35.9°C | 24.0°C | 107 mm | 81% | 1.7 m/s | 5.9 |
| 2024 | 32.0°C | 29.2°C | 26.4°C | 34.2°C | 25.2°C | 110 mm | 79% | 1.6 m/s | 5.9 |
| 2023 | 31.4°C | 28.7°C | 26.1°C | 33.4°C | 25.1°C | 161 mm | 83% | 2 m/s | 5.6 |
| 2022 | 31.4°C | 28.7°C | 26.0°C | 33.8°C | 25.1°C | 143 mm | 81% | 1.9 m/s | 6.1 |
| 2021 | 29.8°C | 27.6°C | 25.4°C | 32.1°C | 24.3°C | 197 mm | 84% | 2 m/s | 5.2 |
| 2020 | 31.3°C | 28.7°C | 26.1°C | 34.7°C | 25.0°C | 127 mm | 79% | 2.2 m/s | 5.8 |
| 2019 | 30.5°C | 28.0°C | 25.5°C | 33.7°C | 24.4°C | 184 mm | 82% | 1.8 m/s | 5.5 |
| 2018 | 29.8°C | 27.6°C | 25.4°C | 32.7°C | 24.1°C | 283 mm | 85% | 2 m/s | 5.4 |
| 2017 | 30.1°C | 27.7°C | 25.4°C | 32.4°C | 24.8°C | 274 mm | 85% | 1.9 m/s | 5.8 |
| 2016 🔥 | 32.2°C | 29.2°C | 26.3°C | 34.6°C | 25.5°C | 108 mm | 76% | 2 m/s | 6.8 |
| 2015 | 30.1°C | 27.6°C | 25.1°C | 32.4°C | 23.2°C | 210 mm | 84% | 2 m/s | 5.9 |
| 2014 | 30.2°C | 27.8°C | 25.5°C | 32.6°C | 24.2°C | 173 mm | 81% | 2 m/s | 5.8 |
| 2013 | 28.7°C | 26.6°C | 24.5°C | 30.9°C | 23.6°C | 224 mm | 87% | 2.1 m/s | 5.4 |
| 2012 | 30.0°C | 27.5°C | 25.1°C | 32.3°C | 24.4°C | 70 mm | 84% | 2 m/s | 6.3 |
| 2011 | 30.6°C | 28.0°C | 25.4°C | 34.6°C | 24.4°C | 103 mm | 80% | 1.8 m/s | 6 |
| 2010 | 31.4°C | 28.6°C | 25.8°C | 36.6°C | 24.2°C | 71 mm | 78% | 1.9 m/s | 6.3 |
| 2009 | 29.6°C | 27.1°C | 24.6°C | 32.4°C | 23.5°C | 141 mm | 85% | 2 m/s | 5.9 |
| 2008 | 29.4°C | 26.9°C | 24.5°C | 32.7°C | 23.1°C | 189 mm | 84% | 1.7 m/s | 5.4 |
| 2007 | 30.0°C | 27.6°C | 25.3°C | 33.1°C | 24.5°C | 225 mm | 82% | 2.1 m/s | 5.3 |
| 2006 | 30.3°C | 27.9°C | 25.4°C | 33.5°C | 23.6°C | 106 mm | 78% | 2.1 m/s | 6 |
| 2005 | 30.9°C | 28.6°C | 26.3°C | 33.7°C | 24.9°C | 120 mm | 82% | 2.1 m/s | 6.1 |
| 2004 | 30.1°C | 27.7°C | 25.2°C | 33.8°C | 24.1°C | 156 mm | 82% | 1.9 m/s | 5.7 |
| 2003 | 29.3°C | 26.9°C | 24.5°C | 32.3°C | 23.5°C | 154 mm | 86% | 1.6 m/s | 5.3 |
| 2002 | 30.0°C | 27.5°C | 25.0°C | 33.6°C | 23.6°C | 136 mm | 83% | 1.8 m/s | 5.7 |
| 2001 | 29.9°C | 27.6°C | 25.3°C | 32.7°C | 24.6°C | 173 mm | 82% | 2.3 m/s | 5.5 |
| 2000 | 30.3°C | 27.6°C | 24.8°C | 34.6°C | 23.7°C | 174 mm | 79% | 2.2 m/s | 6 |
| 1999 | 30.9°C | 28.2°C | 25.4°C | 35.5°C | 24.0°C | 122 mm | 79% | 2 m/s | 6.4 |
| 1998 | 31.2°C | 28.6°C | 26.0°C | 35.1°C | 24.5°C | 200 mm | 80% | 2.1 m/s | 5.8 |
| 1997 | 30.6°C | 28.0°C | 25.5°C | 34.0°C | 24.4°C | 161 mm | 81% | 2 m/s | 6 |
| 1996 | 30.9°C | 28.0°C | 25.1°C | 33.5°C | 23.9°C | 52 mm | 78% | 2.4 m/s | 6.2 |
| 1995 | 30.6°C | 28.1°C | 25.7°C | 33.9°C | 24.1°C | 113 mm | 80% | 2 m/s | 6 |
| 1994 | 29.4°C | 27.0°C | 24.6°C | 32.4°C | 23.6°C | 147 mm | 84% | 1.8 m/s | 5.7 |
| 1993 | 31.2°C | 28.5°C | 25.7°C | 34.0°C | 24.8°C | 90 mm | 79% | 1.7 m/s | 6.2 |
| 1992 | 30.3°C | 27.9°C | 25.4°C | 31.9°C | 24.4°C | 76 mm | 82% | 2 m/s | 6.5 |
| 1991 🌧️ | 29.6°C | 27.6°C | 25.6°C | 32.1°C | 24.6°C | 296 mm | 86% | 2.2 m/s | 5.7 |
| 1990 | 30.5°C | 28.0°C | 25.5°C | 34.8°C | 24.5°C | 109 mm | 79% | 2.3 m/s | 5.8 |
| 1989 | 30.0°C | 27.5°C | 25.0°C | 33.9°C | 24.2°C | 150 mm | 81% | 2 m/s | 6.1 |
| 1988 | 29.9°C | 27.5°C | 25.0°C | 32.2°C | 23.9°C | 96 mm | 78% | 2.4 m/s | 5.8 |
| 1987 | 30.4°C | 28.0°C | 25.5°C | 32.8°C | 23.2°C | 123 mm | 79% | 2 m/s | 6.2 |
| 1986 | 31.2°C | 28.2°C | 25.1°C | 34.7°C | 23.9°C | 146 mm | 77% | 2 m/s | 6.2 |
| 1985 | 29.8°C | 27.2°C | 24.7°C | 32.9°C | 23.6°C | 158 mm | 80% | 1.9 m/s | 5.8 |
| 1984 ❄️ | 29.0°C | 26.6°C | 24.3°C | 32.2°C | 23.4°C | 175 mm | 82% | 2 m/s | 5.4 |
| 1983 | 30.2°C | 27.7°C | 25.3°C | 32.7°C | 23.3°C | 152 mm | 81% | 2.2 m/s | — |
| 1982 | 29.5°C | 27.3°C | 25.1°C | 31.3°C | 24.5°C | 252 mm | 83% | 1.9 m/s | — |
| 1981 | 32.2°C | 28.9°C | 25.6°C | 37.0°C | 23.4°C | 105 mm | 75% | 1.7 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 30.4°C with lows near 25.3°C (mean 27.9°C), based on 45 years of NASA POWER data.
July averages 152 mm of rainfall in Saint Augustine, a relatively wet time of year. The wettest on record was 296 mm in 1991.
The hottest July reached 37°C in 1981. The coldest dipped to 23.1°C in 2008.
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 30.1°C to 31.2°C and overnight lows from 25°C to 25.9°C over the same span.
July is one of the warmer months of the year in Saint Augustine and a relatively wet time of year, so plan for around 30.4°C daytime highs and 25.3°C at night.
Not quite — July is the 12th coolest month in Saint Augustine, averaging 27.9°C.
For July in Saint Augustine, pack light, breathable clothing and sun protection, with typical highs of 30.4°C and lows of 25.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 81% — quite humid.
Average wind speed in July is 2 m/s. The windiest July on record averaged 2.4 m/s (1988).
The wettest July on record was 1991 with 296 mm. On average, July sees 152 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 Saint Augustine 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.