June is one of the warmer months of the year in Saint Augustine, with average highs near 29.6°C and lows around 24.3°C (mean 27°C). It is a relatively wet time of year, averaging 165 mm of rainfall and 79% relative humidity across the period.
June is one of the warmer months of the year in Saint Augustine. Across 45 years of records, the warmest June in Saint Augustine was 1998 — when the month averaged 29.4°C — while the coldest were 1983 and 1997 at 25.6°C. Typical June days reach 29.6°C with nights near 24.3°C. The long-term June temperature trend is broadly flat.
June is a relatively wet time of year in Saint Augustine, averaging 165 mm of rainfall. The wettest June on record was 2012 with 348 mm, while the driest was 1998 at 20 mm.
Relative humidity in Saint Augustine during June averages 79%. The most humid June was 2017 at 86%, and the least humid was 1998 at 69%.
June receives about 5.9 kWh/m²/day of solar energy in Saint Augustine. The sunniest June was 1998 at 6.9 kWh/m²/day, and the cloudiest was 2021 at 4.9.
Average wind speed in Saint Augustine during June is 2.1 m/s. The windiest June was 2012 at 2.8 m/s, while the calmest were 2004 and 2010 at 1.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 26.9°C | 26.8°C | 26.7°C | 27.1°C | 27.4°C | +0.5°C |
| Avg High | 29.7°C | 29.5°C | 29.2°C | 29.7°C | 30.1°C | +0.4°C |
| Avg Low | 24.1°C | 24.3°C | 24.3°C | 24.5°C | 24.7°C | +0.6°C |
| Avg Rain | 141 mm | 152 mm | 187 mm | 191 mm | 144 mm | +3 mm |
June temperatures in Saint Augustine have risen by about 0.6°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 17.8°C (1984) to a record high of 37.3°C (2022).
Rainfall in June is a relatively wet time of year, averaging 165 mm, with a wettest year of 348 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, June — with days averaging 29.6°C and nights around 24.3°C (mean 27°C) and higher rainfall (165 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 | 30.3°C | 27.5°C | 24.6°C | 33.1°C | 20.7°C | 107 mm | 80% | 1.8 m/s | 6.1 |
| 2024 | 31.6°C | 28.7°C | 25.8°C | 36.2°C | 24.0°C | 85 mm | 75% | 2.3 m/s | 6.3 |
| 2023 | 29.0°C | 26.5°C | 23.9°C | 32.0°C | 21.9°C | 250 mm | 83% | 2.3 m/s | 6.1 |
| 2022 | 30.8°C | 28.0°C | 25.3°C | 37.3°C | 23.3°C | 95 mm | 76% | 2.1 m/s | 6.5 |
| 2021 | 29.4°C | 27.0°C | 24.6°C | 32.8°C | 22.0°C | 164 mm | 82% | 2.2 m/s | 4.9 |
| 2020 | 29.6°C | 26.9°C | 24.2°C | 33.3°C | 21.7°C | 161 mm | 80% | 2 m/s | 5.8 |
| 2019 | 30.1°C | 27.5°C | 24.9°C | 34.2°C | 23.7°C | 217 mm | 81% | 2.1 m/s | 5.8 |
| 2018 | 29.6°C | 27.0°C | 24.3°C | 31.7°C | 22.4°C | 224 mm | 84% | 1.8 m/s | 6.2 |
| 2017 | 28.5°C | 26.4°C | 24.3°C | 31.7°C | 22.2°C | 214 mm | 86% | 1.9 m/s | 5.1 |
| 2016 | 30.6°C | 27.8°C | 25.0°C | 33.9°C | 23.1°C | 233 mm | 79% | 2.3 m/s | 6.4 |
| 2015 | 30.0°C | 27.3°C | 24.6°C | 32.2°C | 22.7°C | 253 mm | 79% | 1.9 m/s | 6.4 |
| 2014 | 29.6°C | 26.9°C | 24.1°C | 32.7°C | 21.8°C | 78 mm | 78% | 2 m/s | 6 |
| 2013 | 29.1°C | 26.7°C | 24.4°C | 31.7°C | 22.5°C | 144 mm | 83% | 2.2 m/s | 5.6 |
| 2012 🌧️ | 27.8°C | 25.8°C | 23.7°C | 31.3°C | 21.1°C | 348 mm | 82% | 2.8 m/s | 5.5 |
| 2011 | 30.8°C | 27.6°C | 24.4°C | 34.5°C | 23.1°C | 112 mm | 75% | 1.9 m/s | 6.1 |
| 2010 | 31.3°C | 28.2°C | 25.1°C | 34.8°C | 23.2°C | 86 mm | 78% | 1.7 m/s | 6.6 |
| 2009 | 29.4°C | 26.9°C | 24.5°C | 32.2°C | 22.2°C | 137 mm | 85% | 1.9 m/s | 6.1 |
| 2008 | 30.2°C | 27.1°C | 24.0°C | 33.0°C | 22.8°C | 121 mm | 78% | 1.9 m/s | 5.9 |
| 2007 | 28.5°C | 26.1°C | 23.6°C | 32.4°C | 19.4°C | 208 mm | 81% | 2.4 m/s | 6.1 |
| 2006 | 29.3°C | 26.6°C | 23.9°C | 33.7°C | 21.9°C | 167 mm | 78% | 2.3 m/s | 6.2 |
| 2005 | 28.4°C | 26.5°C | 24.5°C | 31.8°C | 23.0°C | 253 mm | 85% | 2.3 m/s | 5 |
| 2004 | 30.2°C | 27.5°C | 24.7°C | 34.0°C | 23.1°C | 185 mm | 81% | 1.7 m/s | 6.3 |
| 2003 | 28.5°C | 26.4°C | 24.4°C | 30.9°C | 23.2°C | 207 mm | 85% | 2.1 m/s | 5.2 |
| 2002 | 28.8°C | 26.5°C | 24.3°C | 34.5°C | 22.6°C | 263 mm | 82% | 2.3 m/s | 5 |
| 2001 | 29.6°C | 27.0°C | 24.4°C | 32.5°C | 23.3°C | 164 mm | 80% | 2.1 m/s | 5.8 |
| 2000 | 29.2°C | 26.8°C | 24.4°C | 33.4°C | 23.0°C | 170 mm | 77% | 2.4 m/s | 6 |
| 1999 | 28.1°C | 26.0°C | 24.0°C | 30.8°C | 23.1°C | 216 mm | 82% | 2.6 m/s | 5.3 |
| 1998 🔥 | 33.2°C | 29.4°C | 25.5°C | 36.3°C | 22.9°C | 20 mm | 69% | 2.2 m/s | 6.9 |
| 1997 | 28.1°C | 25.6°C | 23.2°C | 32.0°C | 18.6°C | 145 mm | 83% | 2.2 m/s | 5.6 |
| 1996 | 29.3°C | 26.9°C | 24.4°C | 34.1°C | 22.2°C | 141 mm | 77% | 2.3 m/s | 5.8 |
| 1995 | 29.4°C | 26.8°C | 24.3°C | 32.8°C | 22.1°C | 187 mm | 78% | 2.4 m/s | 5.8 |
| 1994 | 29.0°C | 26.7°C | 24.4°C | 30.7°C | 23.1°C | 163 mm | 83% | 1.9 m/s | 5.7 |
| 1993 | 29.8°C | 26.9°C | 24.0°C | 32.9°C | 21.0°C | 100 mm | 77% | 2.2 m/s | 6.5 |
| 1992 | 28.9°C | 26.5°C | 24.2°C | 32.3°C | 22.5°C | 274 mm | 84% | 2.1 m/s | 5.9 |
| 1991 | 28.7°C | 26.5°C | 24.3°C | 31.4°C | 22.6°C | 199 mm | 81% | 2.3 m/s | 6.1 |
| 1990 | 30.0°C | 27.1°C | 24.3°C | 34.1°C | 22.6°C | 76 mm | 75% | 2 m/s | 6 |
| 1989 | 29.6°C | 26.8°C | 24.1°C | 32.8°C | 22.8°C | 155 mm | 78% | 2 m/s | 6 |
| 1988 | 28.6°C | 25.9°C | 23.2°C | 32.3°C | 20.7°C | 82 mm | 74% | 2.4 m/s | 6 |
| 1987 | 30.1°C | 27.3°C | 24.5°C | 33.7°C | 22.8°C | 110 mm | 76% | 2.1 m/s | 6.1 |
| 1986 | 30.3°C | 27.4°C | 24.6°C | 34.0°C | 22.6°C | 112 mm | 77% | 2.1 m/s | 5.8 |
| 1985 | 30.6°C | 27.5°C | 24.4°C | 37.2°C | 22.9°C | 166 mm | 76% | 2.2 m/s | 5.9 |
| 1984 | 29.0°C | 26.1°C | 23.2°C | 33.5°C | 17.8°C | 107 mm | 78% | 2.2 m/s | 6 |
| 1983 ❄️ | 27.7°C | 25.6°C | 23.6°C | 30.1°C | 21.7°C | 176 mm | 83% | 2.3 m/s | — |
| 1982 | 29.5°C | 26.9°C | 24.2°C | 33.5°C | 23.3°C | 266 mm | 82% | 2.2 m/s | — |
| 1981 | 31.9°C | 28.6°C | 25.2°C | 34.2°C | 23.8°C | 99 mm | 71% | 1.9 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 29.6°C with lows near 24.3°C (mean 27°C), based on 45 years of NASA POWER data.
June averages 165 mm of rainfall in Saint Augustine, a relatively wet time of year. The wettest on record was 348 mm in 2012.
The hottest June reached 37.3°C in 2022. The coldest dipped to 17.8°C in 1984.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 0.6°C. Daytime highs moved from 29.7°C to 30.2°C and overnight lows from 24.1°C to 24.8°C over the same span.
June is one of the warmer months of the year in Saint Augustine and a relatively wet time of year, so plan for around 29.6°C daytime highs and 24.3°C at night.
Not quite — June is the 10th coolest month in Saint Augustine, averaging 27°C.
For June in Saint Augustine, pack light layers you can adjust through the day, with typical highs of 29.6°C and lows of 24.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 79% — quite humid.
Average wind speed in June is 2.1 m/s. The windiest June on record averaged 2.8 m/s (2012).
The wettest June on record was 2012 with 348 mm. On average, June sees 165 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 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.
