June is one of the warmer months of the year in Maryville, with average highs near 26.4°C and lows around 15.8°C (mean 21.1°C). It is about average for rainfall, averaging 117 mm of rainfall and 77% relative humidity across the period.
June is one of the warmer months of the year in Maryville. Across 45 years of records, the warmest June in Maryville was 2010 — when the month averaged 23.3°C — while the coldest was 1992 at 19.2°C. Typical June days reach 26.4°C with nights near 15.8°C. The long-term trend is warming, about 0.2°C per decade.
June is about average for rainfall in Maryville, averaging 117 mm of rainfall. The wettest June on record was 1989 with 274 mm, while the driest was 1986 at 45 mm.
Relative humidity in Maryville during June averages 77%. The most humid June was 1989 at 86%, and the least humid was 1988 at 54%.
June receives about 6 kWh/m²/day of solar energy in Maryville. The sunniest June was 2016 at 6.9 kWh/m²/day, and the cloudiest were 1989, 1992 and 1997 at 5.
Average wind speed in Maryville during June is 0.3 m/s. The windiest Junes were 2015, 2016 and 2023, among others at 0.4 m/s, while the calmest were 2022, 2024 and 2025, among others at 0.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 21.0°C | 20.5°C | 21.1°C | 21.8°C | 21.3°C | +0.3°C |
| Avg High | 26.5°C | 25.6°C | 26.6°C | 26.8°C | 26.6°C | +0.1°C |
| Avg Low | 15.4°C | 15.4°C | 15.6°C | 16.7°C | 16.0°C | +0.6°C |
| Avg Rain | 117 mm | 126 mm | 110 mm | 125 mm | 104 mm | -13 mm |
June temperatures in Maryville have risen by about 0.7°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 5.1°C (2000) to a record high of 38.2°C (2012).
Rainfall in June is about average for rainfall, averaging 117 mm, with a wettest year of 274 mm.
One of the best times to visit Maryville
June is one of the best times to visit Maryville. Expect days averaging 26.4°C and nights around 15.8°C (mean 21.1°C) — warmer than Maryville's yearly average — with higher rainfall (117 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 27.7°C | 22.5°C | 17.4°C | 32.7°C | 12.6°C | 114 mm | 79% | 0.3 m/s | 6.3 |
| 2024 | 27.5°C | 22.0°C | 16.4°C | 31.5°C | 11.2°C | 66 mm | 76% | 0.3 m/s | 6.5 |
| 2023 | 25.0°C | 19.6°C | 14.2°C | 29.1°C | 10.0°C | 141 mm | 77% | 0.4 m/s | 5.9 |
| 2022 | 28.0°C | 22.0°C | 16.0°C | 32.8°C | 9.0°C | 70 mm | 72% | 0.3 m/s | 6.6 |
| 2021 | 26.1°C | 21.0°C | 15.9°C | 29.5°C | 10.3°C | 128 mm | 81% | 0.3 m/s | 6.2 |
| 2020 | 25.2°C | 20.5°C | 15.8°C | 30.2°C | 8.8°C | 104 mm | 82% | 0.3 m/s | 5.9 |
| 2019 | 25.4°C | 20.8°C | 16.1°C | 29.9°C | 7.8°C | 165 mm | 82% | 0.3 m/s | 5.9 |
| 2018 | 26.9°C | 22.2°C | 17.6°C | 31.0°C | 12.6°C | 125 mm | 82% | 0.3 m/s | 6.4 |
| 2017 | 25.4°C | 20.5°C | 15.6°C | 29.4°C | 10.9°C | 121 mm | 80% | 0.3 m/s | 5.8 |
| 2016 | 28.5°C | 22.6°C | 16.7°C | 32.9°C | 10.3°C | 93 mm | 72% | 0.4 m/s | 6.9 |
| 2015 | 27.4°C | 22.3°C | 17.2°C | 31.2°C | 11.9°C | 123 mm | 76% | 0.4 m/s | 6.5 |
| 2014 | 26.4°C | 21.6°C | 16.8°C | 30.3°C | 13.3°C | 123 mm | 80% | 0.3 m/s | 5.7 |
| 2013 | 25.5°C | 20.7°C | 16.0°C | 28.4°C | 12.0°C | 217 mm | 84% | 0.3 m/s | 5.9 |
| 2012 | 27.0°C | 21.0°C | 15.1°C | 38.2°C | 8.5°C | 64 mm | 71% | 0.3 m/s | 6.6 |
| 2011 | 27.5°C | 22.5°C | 17.4°C | 31.0°C | 12.5°C | 135 mm | 78% | 0.4 m/s | 6.2 |
| 2010 🔥 | 28.3°C | 23.3°C | 18.3°C | 31.8°C | 13.0°C | 83 mm | 79% | 0.3 m/s | 6.3 |
| 2009 | 26.4°C | 21.7°C | 17.0°C | 29.7°C | 12.7°C | 112 mm | 81% | 0.3 m/s | 6.5 |
| 2008 | 28.5°C | 22.4°C | 16.3°C | 32.2°C | 10.0°C | 56 mm | 67% | 0.4 m/s | 6.8 |
| 2007 | 29.2°C | 22.5°C | 15.7°C | 32.4°C | 11.8°C | 92 mm | 64% | 0.3 m/s | 6.2 |
| 2006 | 26.2°C | 20.6°C | 15.0°C | 32.9°C | 10.3°C | 93 mm | 73% | 0.4 m/s | 6.4 |
| 2005 | 26.1°C | 20.9°C | 15.8°C | 29.8°C | 10.9°C | 150 mm | 81% | 0.3 m/s | 5.7 |
| 2004 | 25.9°C | 21.1°C | 16.2°C | 29.8°C | 10.3°C | 134 mm | 81% | 0.3 m/s | 5.2 |
| 2003 | 24.4°C | 19.4°C | 14.4°C | 28.7°C | 5.8°C | 131 mm | 82% | 0.3 m/s | 5.9 |
| 2002 | 27.3°C | 21.4°C | 15.4°C | 31.7°C | 11.3°C | 69 mm | 72% | 0.3 m/s | 6.4 |
| 2001 | 25.3°C | 19.8°C | 14.3°C | 29.1°C | 9.0°C | 147 mm | 77% | 0.4 m/s | 5.8 |
| 2000 | 26.5°C | 21.0°C | 15.5°C | 30.7°C | 5.1°C | 112 mm | 74% | 0.4 m/s | 5.6 |
| 1999 | 25.7°C | 20.3°C | 14.9°C | 29.0°C | 8.5°C | 160 mm | 78% | 0.3 m/s | 5.5 |
| 1998 | 26.4°C | 21.7°C | 17.0°C | 31.0°C | 5.7°C | 177 mm | 82% | 0.4 m/s | 5.9 |
| 1997 | 24.0°C | 19.3°C | 14.6°C | 29.2°C | 8.7°C | 152 mm | 84% | 0.3 m/s | 5 |
| 1996 | 26.0°C | 20.8°C | 15.5°C | 31.5°C | 10.4°C | 111 mm | 78% | 0.3 m/s | 6 |
| 1995 | 25.0°C | 19.9°C | 14.7°C | 29.1°C | 8.7°C | 121 mm | 78% | 0.3 m/s | 5.4 |
| 1994 | 26.3°C | 21.6°C | 16.8°C | 30.1°C | 13.7°C | 171 mm | 82% | 0.3 m/s | 5.5 |
| 1993 | 26.9°C | 21.2°C | 15.5°C | 30.6°C | 8.4°C | 56 mm | 76% | 0.3 m/s | 6.2 |
| 1992 ❄️ | 24.4°C | 19.2°C | 14.0°C | 28.1°C | 6.1°C | 126 mm | 82% | 0.3 m/s | 5 |
| 1991 | 25.4°C | 20.7°C | 16.0°C | 32.6°C | 9.2°C | 143 mm | 82% | 0.3 m/s | 5.1 |
| 1990 | 25.8°C | 20.4°C | 14.9°C | 30.1°C | 9.3°C | 47 mm | 78% | 0.4 m/s | 6.1 |
| 1989 🌧️ | 23.7°C | 19.7°C | 15.8°C | 28.8°C | 10.7°C | 274 mm | 86% | 0.4 m/s | 5 |
| 1988 | 29.4°C | 21.8°C | 14.1°C | 35.5°C | 5.4°C | 54 mm | 54% | 0.4 m/s | 6.4 |
| 1987 | 26.1°C | 20.9°C | 15.8°C | 28.3°C | 9.1°C | 113 mm | 78% | 0.3 m/s | 6.1 |
| 1986 | 29.2°C | 22.8°C | 16.4°C | 32.8°C | 11.9°C | 45 mm | 67% | 0.4 m/s | 5.9 |
| 1985 | 26.9°C | 21.0°C | 15.1°C | 31.2°C | 7.3°C | 130 mm | 70% | 0.4 m/s | 5.8 |
| 1984 | 26.5°C | 21.2°C | 15.9°C | 29.3°C | 8.3°C | 118 mm | 79% | 0.3 m/s | 6.2 |
| 1983 | 24.7°C | 19.6°C | 14.4°C | 29.3°C | 8.4°C | 92 mm | 79% | 0.3 m/s | — |
| 1982 | 25.1°C | 19.9°C | 14.8°C | 28.1°C | 11.4°C | 96 mm | 80% | 0.3 m/s | — |
| 1981 | 27.2°C | 21.8°C | 16.4°C | 30.9°C | 11.4°C | 126 mm | 77% | 0.4 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 26.4°C with lows near 15.8°C (mean 21.1°C), based on 45 years of NASA POWER data.
June averages 117 mm of rainfall in Maryville, about average for rainfall. The wettest on record was 274 mm in 1989.
The hottest June reached 38.2°C in 2012. The coldest dipped to 5.1°C in 2000.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 0.7°C. Daytime highs moved from 26.1°C to 26.9°C and overnight lows from 15.3°C to 16°C over the same span.
June is one of the warmer months of the year in Maryville and about average for rainfall, so plan for around 26.4°C daytime highs and 15.8°C at night.
Not quite — June is the 10th coolest month in Maryville, averaging 21.1°C.
For June in Maryville, pack light layers you can adjust through the day, with typical highs of 26.4°C and lows of 15.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 77% — quite humid.
Average wind speed in June is 0.3 m/s. The windiest June on record averaged 0.4 m/s (1981).
The wettest June on record was 1989 with 274 mm. On average, June sees 117 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 Maryville 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.
