June is one of the warmer months of the year in Deltona, with average highs near 31.8°C and lows around 22.8°C (mean 27.3°C). It is a relatively wet time of year, averaging 177 mm of rainfall and 76% relative humidity across the period.
June is one of the warmer months of the year in Deltona. Across 45 years of records, the warmest June in Deltona was 1998 — when the month averaged 31.2°C — while the coldest were 1983 and 1991 at 25.7°C. Typical June days reach 31.8°C with nights near 22.8°C. The long-term trend is warming, about 0.2°C per decade.
June is a relatively wet time of year in Deltona, averaging 177 mm of rainfall. The wettest June on record was 2002 with 331 mm, while the driest was 1998 at 32 mm.
Relative humidity in Deltona during June averages 76%. The most humid June was 2005 at 88%, and the least humid was 1998 at 57%.
June receives about 5.9 kWh/m²/day of solar energy in Deltona. The sunniest June was 1998 at 6.7 kWh/m²/day, and the cloudiest were 2005 and 2017 at 4.8.
Average wind speed in Deltona during June is 1.7 m/s. The windiest Junes were 1998 and 2012 at 2.3 m/s, while the calmest was 2018 at 1.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 27.2°C | 27.2°C | 27.1°C | 27.4°C | 28.1°C | +0.9°C |
| Avg High | 31.9°C | 31.6°C | 31.3°C | 31.8°C | 33.0°C | +1.1°C |
| Avg Low | 22.5°C | 22.7°C | 22.8°C | 23.0°C | 23.3°C | +0.8°C |
| Avg Rain | 162 mm | 175 mm | 200 mm | 193 mm | 142 mm | -20 mm |
June temperatures in Deltona have risen by about 1.2°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 13.5°C (1984) to a record high of 40.6°C (1998).
Rainfall in June is a relatively wet time of year, averaging 177 mm, with a wettest year of 331 mm.
A quieter season to visit Deltona
If your dates are flexible, the more temperate months of April and October tend to be the most comfortable for visiting Deltona. That said, June — with days averaging 31.8°C and nights around 22.8°C (mean 27.3°C) and higher rainfall (177 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 | 33.7°C | 28.6°C | 23.4°C | 36.5°C | 18.5°C | 115 mm | 72% | 1.7 m/s | 6 |
| 2024 | 34.8°C | 29.5°C | 24.2°C | 39.7°C | 22.0°C | 143 mm | 69% | 1.9 m/s | 6 |
| 2023 | 31.9°C | 27.2°C | 22.4°C | 36.0°C | 20.6°C | 191 mm | 77% | 1.9 m/s | 6.3 |
| 2022 | 33.9°C | 28.7°C | 23.5°C | 39.0°C | 20.9°C | 89 mm | 70% | 1.9 m/s | 6.2 |
| 2021 | 32.2°C | 27.7°C | 23.2°C | 37.7°C | 20.4°C | 163 mm | 75% | 2 m/s | 5.4 |
| 2020 | 31.5°C | 27.1°C | 22.8°C | 36.0°C | 19.6°C | 150 mm | 78% | 1.5 m/s | 5.9 |
| 2019 | 32.0°C | 27.7°C | 23.3°C | 37.1°C | 21.4°C | 253 mm | 78% | 1.8 m/s | 5.8 |
| 2018 | 30.4°C | 26.4°C | 22.5°C | 32.2°C | 20.1°C | 206 mm | 85% | 1.3 m/s | 6 |
| 2017 | 30.4°C | 26.8°C | 23.1°C | 33.7°C | 21.0°C | 240 mm | 84% | 1.5 m/s | 4.8 |
| 2016 | 32.8°C | 28.1°C | 23.3°C | 36.2°C | 19.6°C | 175 mm | 75% | 1.7 m/s | 6.1 |
| 2015 | 33.0°C | 28.1°C | 23.2°C | 36.6°C | 20.5°C | 163 mm | 73% | 1.5 m/s | 6.1 |
| 2014 | 31.4°C | 26.9°C | 22.4°C | 35.1°C | 19.0°C | 128 mm | 75% | 1.6 m/s | 6 |
| 2013 | 30.4°C | 26.6°C | 22.9°C | 32.7°C | 22.1°C | 221 mm | 84% | 1.7 m/s | 5.6 |
| 2012 | 29.9°C | 25.9°C | 21.9°C | 35.1°C | 19.0°C | 262 mm | 80% | 2.3 m/s | 5.4 |
| 2011 | 33.8°C | 28.5°C | 23.2°C | 38.3°C | 21.0°C | 179 mm | 68% | 1.6 m/s | 6.1 |
| 2010 | 33.7°C | 28.8°C | 23.8°C | 37.3°C | 20.5°C | 104 mm | 73% | 1.4 m/s | 6.6 |
| 2009 | 30.4°C | 26.5°C | 22.6°C | 33.1°C | 19.1°C | 170 mm | 85% | 1.6 m/s | 6.2 |
| 2008 | 32.7°C | 27.7°C | 22.6°C | 37.1°C | 21.0°C | 145 mm | 72% | 1.4 m/s | 6 |
| 2007 | 31.7°C | 26.9°C | 22.2°C | 36.2°C | 19.3°C | 158 mm | 74% | 2 m/s | 5.9 |
| 2006 | 32.6°C | 27.7°C | 22.8°C | 38.4°C | 19.9°C | 161 mm | 70% | 2 m/s | 6 |
| 2005 | 29.1°C | 26.1°C | 23.0°C | 31.9°C | 21.3°C | 303 mm | 88% | 1.9 m/s | 4.8 |
| 2004 | 32.4°C | 28.1°C | 23.7°C | 38.6°C | 22.0°C | 188 mm | 75% | 1.4 m/s | 6.4 |
| 2003 | 29.9°C | 26.4°C | 22.9°C | 33.0°C | 19.5°C | 226 mm | 84% | 1.7 m/s | 5.2 |
| 2002 🌧️ | 30.4°C | 26.7°C | 22.9°C | 38.2°C | 21.2°C | 331 mm | 81% | 1.7 m/s | 5.1 |
| 2001 | 31.2°C | 26.9°C | 22.6°C | 35.1°C | 20.4°C | 181 mm | 77% | 1.5 m/s | 5.8 |
| 2000 | 32.6°C | 27.7°C | 22.8°C | 37.8°C | 20.2°C | 137 mm | 68% | 2 m/s | 5.9 |
| 1999 | 30.2°C | 26.4°C | 22.6°C | 34.8°C | 20.2°C | 193 mm | 79% | 1.8 m/s | 5.3 |
| 1998 🔥 | 37.8°C | 31.2°C | 24.5°C | 40.6°C | 22.0°C | 32 mm | 57% | 2.3 m/s | 6.7 |
| 1997 | 31.2°C | 26.6°C | 22.0°C | 34.0°C | 17.2°C | 169 mm | 76% | 1.9 m/s | 6.1 |
| 1996 | 30.0°C | 26.1°C | 22.1°C | 33.7°C | 19.1°C | 222 mm | 80% | 1.7 m/s | 5.8 |
| 1995 | 32.0°C | 27.3°C | 22.7°C | 36.6°C | 19.2°C | 184 mm | 74% | 2.2 m/s | 5.7 |
| 1994 | 30.0°C | 26.5°C | 23.0°C | 32.1°C | 21.3°C | 221 mm | 83% | 1.4 m/s | 5.7 |
| 1993 | 33.3°C | 28.0°C | 22.7°C | 37.3°C | 19.2°C | 87 mm | 67% | 1.9 m/s | 6.5 |
| 1992 | 30.2°C | 26.5°C | 22.8°C | 35.1°C | 21.0°C | 257 mm | 83% | 1.8 m/s | 5.6 |
| 1991 | 29.2°C | 25.7°C | 22.2°C | 31.5°C | 18.7°C | 230 mm | 84% | 1.5 m/s | 6 |
| 1990 | 32.2°C | 27.5°C | 22.8°C | 36.4°C | 18.7°C | 153 mm | 72% | 1.6 m/s | 5.9 |
| 1989 | 32.5°C | 27.6°C | 22.7°C | 37.5°C | 20.7°C | 145 mm | 70% | 1.7 m/s | 6.2 |
| 1988 | 30.7°C | 26.2°C | 21.6°C | 36.1°C | 18.4°C | 137 mm | 73% | 2 m/s | 6 |
| 1987 | 33.2°C | 28.1°C | 23.1°C | 37.9°C | 20.4°C | 112 mm | 68% | 1.9 m/s | 6.2 |
| 1986 | 32.1°C | 27.5°C | 22.9°C | 36.1°C | 20.2°C | 169 mm | 74% | 1.6 m/s | 5.7 |
| 1985 | 32.4°C | 27.7°C | 23.0°C | 39.9°C | 21.5°C | 195 mm | 73% | 1.8 m/s | 5.9 |
| 1984 | 31.3°C | 26.2°C | 21.0°C | 35.0°C | 13.5°C | 120 mm | 73% | 1.7 m/s | 6.1 |
| 1983 ❄️ | 29.5°C | 25.7°C | 21.8°C | 32.2°C | 18.6°C | 215 mm | 81% | 1.7 m/s | — |
| 1982 | 30.4°C | 26.4°C | 22.4°C | 34.1°C | 20.5°C | 254 mm | 83% | 1.7 m/s | — |
| 1981 | 34.7°C | 29.3°C | 23.9°C | 39.4°C | 22.0°C | 108 mm | 64% | 1.8 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 31.8°C with lows near 22.8°C (mean 27.3°C), based on 45 years of NASA POWER data.
June averages 177 mm of rainfall in Deltona, a relatively wet time of year. The wettest on record was 331 mm in 2002.
The hottest June reached 40.6°C in 1998. The coldest dipped to 13.5°C in 1984.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 1.2°C. Daytime highs moved from 31.7°C to 33.3°C and overnight lows from 22.4°C to 23.3°C over the same span.
June is one of the warmer months of the year in Deltona and a relatively wet time of year, so plan for around 31.8°C daytime highs and 22.8°C at night.
Not quite — June is the 10th coolest month in Deltona, averaging 27.3°C.
For June in Deltona, pack light, breathable clothing and sun protection, with typical highs of 31.8°C and lows of 22.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 76% — quite humid.
Average wind speed in June is 1.7 m/s. The windiest June on record averaged 2.3 m/s (1998).
The wettest June on record was 2002 with 331 mm. On average, June sees 177 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 Deltona 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.