June is one of the warmer months of the year in Stillwater, with average highs near 30.9°C and lows around 20°C (mean 25.5°C). It is a relatively wet time of year, averaging 120 mm of rainfall and 71% relative humidity across the period.
June is one of the warmer months of the year in Stillwater. Across 45 years of records, the warmest June in Stillwater was 2011 — when the month averaged 30.8°C — while the coldest was 1982 at 21.8°C. Typical June days reach 30.9°C with nights near 20°C. The long-term trend is warming, about 0.6°C per decade.
June is a relatively wet time of year in Stillwater, averaging 120 mm of rainfall. The wettest June on record was 2007 with 316 mm, while the driest was 1990 at 36 mm.
Relative humidity in Stillwater during June averages 71%. The most humid June was 2007 at 85%, and the least humid was 2011 at 46%.
June receives about 6.8 kWh/m²/day of solar energy in Stillwater. The sunniest June was 2011 at 7.6 kWh/m²/day, and the cloudiest was 2007 at 5.6.
Average wind speed in Stillwater during June is 3 m/s. The windiest June was 2011 at 4.4 m/s, while the calmest were 1992 and 2023 at 2.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 24.2°C | 25.1°C | 25.2°C | 26.5°C | 26.3°C | +2.1°C |
| Avg High | 29.6°C | 30.5°C | 30.8°C | 32.0°C | 31.7°C | +2.1°C |
| Avg Low | 18.9°C | 19.7°C | 19.7°C | 21.0°C | 20.9°C | +2°C |
| Avg Rain | 118 mm | 115 mm | 144 mm | 102 mm | 123 mm | +5 mm |
June temperatures in Stillwater have risen by about 2.3°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 8.9°C (1982) to a record high of 42.4°C (2012).
Rainfall in June is a relatively wet time of year, averaging 120 mm, with a wettest year of 316 mm.
One of the best times to visit Stillwater
June is one of the best times to visit Stillwater. Expect days averaging 30.9°C and nights around 20°C (mean 25.5°C) — warmer than Stillwater's yearly average — with higher rainfall (120 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 | 30.0°C | 25.4°C | 20.9°C | 32.8°C | 14.0°C | 249 mm | 82% | 2.7 m/s | 6.6 |
| 2024 | 34.1°C | 28.2°C | 22.3°C | 40.1°C | 16.5°C | 54 mm | 65% | 3.3 m/s | 6.8 |
| 2023 | 32.1°C | 26.2°C | 20.3°C | 39.1°C | 16.2°C | 89 mm | 66% | 2.2 m/s | 6.8 |
| 2022 | 32.0°C | 26.4°C | 20.8°C | 39.0°C | 15.1°C | 89 mm | 68% | 3 m/s | 7.2 |
| 2021 | 30.0°C | 25.3°C | 20.5°C | 35.2°C | 13.8°C | 202 mm | 78% | 2.7 m/s | 6.6 |
| 2020 | 32.0°C | 26.2°C | 20.4°C | 34.5°C | 15.1°C | 54 mm | 68% | 3.5 m/s | 7.5 |
| 2019 | 28.5°C | 24.0°C | 19.4°C | 31.8°C | 13.0°C | 103 mm | 81% | 2.7 m/s | 6.9 |
| 2018 | 32.9°C | 27.4°C | 21.9°C | 35.9°C | 16.4°C | 154 mm | 67% | 3.3 m/s | 7.1 |
| 2017 | 31.3°C | 25.5°C | 19.7°C | 35.8°C | 14.4°C | 64 mm | 69% | 3.1 m/s | 7.3 |
| 2016 | 32.4°C | 27.1°C | 21.8°C | 37.1°C | 14.9°C | 50 mm | 70% | 2.6 m/s | 7.2 |
| 2015 | 30.3°C | 25.6°C | 20.8°C | 34.5°C | 12.5°C | 119 mm | 79% | 3 m/s | 7.1 |
| 2014 | 30.7°C | 25.7°C | 20.7°C | 35.6°C | 14.4°C | 157 mm | 72% | 3.6 m/s | 6.5 |
| 2013 | 30.5°C | 25.0°C | 19.4°C | 36.5°C | 12.1°C | 99 mm | 72% | 3.2 m/s | 7.4 |
| 2012 | 33.7°C | 27.1°C | 20.5°C | 42.4°C | 11.1°C | 61 mm | 59% | 3.2 m/s | 7.2 |
| 2011 🔥 | 38.2°C | 30.8°C | 23.3°C | 41.6°C | 20.1°C | 50 mm | 46% | 4.4 m/s | 7.6 |
| 2010 | 31.9°C | 27.0°C | 22.1°C | 35.1°C | 19.6°C | 161 mm | 75% | 3.2 m/s | 7 |
| 2009 | 33.8°C | 27.5°C | 21.3°C | 40.7°C | 13.1°C | 56 mm | 63% | 3.3 m/s | 7.1 |
| 2008 | 30.1°C | 25.0°C | 19.9°C | 32.8°C | 12.3°C | 201 mm | 78% | 3.7 m/s | 7 |
| 2007 🌧️ | 27.3°C | 23.6°C | 20.0°C | 31.2°C | 13.1°C | 316 mm | 85% | 3 m/s | 5.6 |
| 2006 | 34.2°C | 27.1°C | 20.1°C | 40.2°C | 16.7°C | 76 mm | 54% | 3.1 m/s | 7.5 |
| 2005 | 32.8°C | 26.6°C | 20.4°C | 38.5°C | 16.2°C | 144 mm | 63% | 3.1 m/s | 7.2 |
| 2004 | 28.9°C | 24.1°C | 19.3°C | 33.4°C | 15.7°C | 186 mm | 74% | 2.9 m/s | 6 |
| 2003 | 30.0°C | 24.2°C | 18.4°C | 35.8°C | 12.3°C | 117 mm | 68% | 2.7 m/s | 6.4 |
| 2002 | 31.0°C | 25.2°C | 19.4°C | 35.7°C | 13.4°C | 107 mm | 69% | 3.2 m/s | 7.1 |
| 2001 | 31.1°C | 25.2°C | 19.4°C | 33.4°C | 12.0°C | 60 mm | 68% | 3.4 m/s | 7.3 |
| 2000 | 28.6°C | 23.5°C | 18.5°C | 33.5°C | 11.8°C | 174 mm | 75% | 3.3 m/s | 5.7 |
| 1999 | 27.9°C | 23.6°C | 19.2°C | 32.3°C | 12.0°C | 205 mm | 83% | 3.2 m/s | 5.7 |
| 1998 | 33.1°C | 26.6°C | 20.2°C | 38.9°C | 9.9°C | 66 mm | 62% | 4 m/s | 7.4 |
| 1997 | 30.7°C | 24.9°C | 19.2°C | 35.2°C | 13.4°C | 113 mm | 70% | 2.8 m/s | 6.6 |
| 1996 | 34.1°C | 27.2°C | 20.3°C | 38.8°C | 13.2°C | 69 mm | 57% | 2.7 m/s | 7 |
| 1995 | 27.7°C | 22.8°C | 18.0°C | 31.7°C | 12.8°C | 209 mm | 80% | 2.7 m/s | 6.1 |
| 1994 | 33.3°C | 27.3°C | 21.4°C | 42.1°C | 18.6°C | 51 mm | 67% | 2.8 m/s | 7.4 |
| 1993 | 28.4°C | 24.1°C | 19.8°C | 31.5°C | 10.9°C | 91 mm | 85% | 3.1 m/s | 6 |
| 1992 | 27.2°C | 22.5°C | 17.9°C | 31.5°C | 12.3°C | 211 mm | 82% | 2.2 m/s | 5.9 |
| 1991 | 31.0°C | 26.0°C | 20.9°C | 36.1°C | 17.4°C | 97 mm | 72% | 2.9 m/s | 6.5 |
| 1990 | 31.2°C | 25.9°C | 20.6°C | 34.8°C | 11.9°C | 36 mm | 75% | 3.8 m/s | 7.1 |
| 1989 | 27.9°C | 22.8°C | 17.8°C | 32.9°C | 9.9°C | 193 mm | 78% | 2.4 m/s | 6.1 |
| 1988 | 32.8°C | 26.2°C | 19.7°C | 38.2°C | 12.5°C | 46 mm | 57% | 2.6 m/s | 6.8 |
| 1987 | 28.3°C | 23.7°C | 19.1°C | 33.4°C | 12.8°C | 119 mm | 81% | 2.3 m/s | 6.8 |
| 1986 | 30.0°C | 25.2°C | 20.5°C | 35.2°C | 15.4°C | 94 mm | 78% | 2.4 m/s | 6.5 |
| 1985 | 28.2°C | 22.9°C | 17.6°C | 31.9°C | 10.4°C | 180 mm | 79% | 3 m/s | 6.7 |
| 1984 | 32.0°C | 26.2°C | 20.5°C | 38.0°C | 14.5°C | 91 mm | 65% | 3.5 m/s | 6.3 |
| 1983 | 28.6°C | 23.0°C | 17.5°C | 32.7°C | 10.1°C | 83 mm | 74% | 3.1 m/s | — |
| 1982 ❄️ | 26.8°C | 21.8°C | 16.8°C | 31.3°C | 8.9°C | 115 mm | 81% | 2.5 m/s | — |
| 1981 | 31.6°C | 26.2°C | 20.8°C | 36.5°C | 13.0°C | 138 mm | 72% | 3.8 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 30.9°C with lows near 20°C (mean 25.5°C), based on 45 years of NASA POWER data.
June averages 120 mm of rainfall in Stillwater, a relatively wet time of year. The wettest on record was 316 mm in 2007.
The hottest June reached 42.4°C in 2012. The coldest dipped to 8.9°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 2.3°C. Daytime highs moved from 29.4°C to 31.6°C and overnight lows from 18.6°C to 21°C over the same span.
June is one of the warmer months of the year in Stillwater and a relatively wet time of year, so plan for around 30.9°C daytime highs and 20°C at night.
Not quite — June is the 10th coolest month in Stillwater, averaging 25.5°C.
For June in Stillwater, pack light, breathable clothing and sun protection, with typical highs of 30.9°C and lows of 20°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 71% — moderately humid.
Average wind speed in June is 3 m/s. The windiest June on record averaged 4.4 m/s (2011).
The wettest June on record was 2007 with 316 mm. On average, June sees 120 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 Stillwater 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.
