June is one of the warmer months of the year in Mission, with average highs near 19°C and lows around 10.3°C (mean 14.7°C). It is one of the drier months, averaging 63 mm of rainfall and 79% relative humidity across the period.
June is one of the warmer months of the year in Mission. Across 45 years of records, the warmest June in Mission was 2021 — when the month averaged 17.7°C — while the coldest were 1981 and 2012 at 12.7°C. Typical June days reach 19°C with nights near 10.3°C. The long-term June temperature trend is broadly flat.
June is one of the drier months in Mission, averaging 63 mm of rainfall. The wettest June on record was 1981 with 141 mm, while the driest was 2015 at 19 mm.
Relative humidity in Mission during June averages 79%. The most humid June was 2025 at 83%, and the least humid was 2015 at 73%.
June receives about 5.5 kWh/m²/day of solar energy in Mission. The sunniest June was 2015 at 7.1 kWh/m²/day, and the cloudiest was 2012 at 4.4.
Average wind speed in Mission during June is 0.5 m/s. The windiest June was 1993 at 0.6 m/s, while the calmest were 1988, 2006 and 2009, among others at 0.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 14.6°C | 14.5°C | 14.8°C | 14.7°C | 14.9°C | +0.3°C |
| Avg High | 19.2°C | 18.6°C | 19.2°C | 18.9°C | 19.1°C | -0.1°C |
| Avg Low | 10.0°C | 10.4°C | 10.4°C | 10.4°C | 10.6°C | +0.6°C |
| Avg Rain | 61 mm | 74 mm | 57 mm | 53 mm | 71 mm | +10 mm |
June temperatures in Mission have risen by about 0.9°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 4.4°C (2008) to a record high of 42.9°C (2021).
Rainfall in June is one of the drier months, averaging 63 mm, with a wettest year of 141 mm.
One of the best times to visit Mission
June is one of the best times to visit Mission. Expect days averaging 19°C and nights around 10.3°C (mean 14.7°C) — warmer than Mission's yearly average — with moderate rainfall (63 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 | 17.7°C | 13.6°C | 9.6°C | 26.6°C | 5.1°C | 54 mm | 83% | 0.5 m/s | 5.8 |
| 2024 | 17.9°C | 13.7°C | 9.4°C | 26.0°C | 6.2°C | 91 mm | 81% | 0.5 m/s | 5.5 |
| 2023 | 19.6°C | 15.1°C | 10.5°C | 28.7°C | 6.7°C | 45 mm | 81% | 0.5 m/s | 6.4 |
| 2022 | 19.2°C | 15.0°C | 10.8°C | 33.2°C | 7.5°C | 103 mm | 81% | 0.5 m/s | 5 |
| 2021 🔥 | 22.6°C | 17.7°C | 12.9°C | 42.9°C | 6.9°C | 38 mm | 74% | 0.5 m/s | 6.5 |
| 2020 | 17.8°C | 14.1°C | 10.4°C | 23.3°C | 6.7°C | 95 mm | 82% | 0.5 m/s | 4.9 |
| 2019 | 19.7°C | 15.2°C | 10.8°C | 29.3°C | 7.0°C | 41 mm | 78% | 0.5 m/s | 6.1 |
| 2018 | 18.7°C | 14.6°C | 10.5°C | 27.9°C | 6.0°C | 49 mm | 79% | 0.5 m/s | 5 |
| 2017 | 19.6°C | 15.1°C | 10.6°C | 31.8°C | 6.4°C | 47 mm | 78% | 0.5 m/s | 5.8 |
| 2016 | 19.7°C | 15.3°C | 10.9°C | 30.3°C | 6.8°C | 56 mm | 79% | 0.5 m/s | 5.7 |
| 2015 | 22.8°C | 17.6°C | 12.4°C | 32.1°C | 8.4°C | 19 mm | 73% | 0.5 m/s | 7.1 |
| 2014 | 18.8°C | 14.6°C | 10.3°C | 23.1°C | 7.8°C | 45 mm | 81% | 0.5 m/s | 5.8 |
| 2013 | 19.4°C | 15.1°C | 10.8°C | 32.5°C | 7.4°C | 60 mm | 80% | 0.5 m/s | 5.2 |
| 2012 | 16.4°C | 12.7°C | 9.0°C | 24.1°C | 6.4°C | 110 mm | 83% | 0.5 m/s | 4.4 |
| 2011 | 17.1°C | 13.2°C | 9.3°C | 23.3°C | 6.8°C | 44 mm | 82% | 0.5 m/s | 4.9 |
| 2010 | 17.0°C | 13.1°C | 9.2°C | 23.3°C | 5.7°C | 61 mm | 83% | 0.5 m/s | 5 |
| 2009 | 20.3°C | 15.7°C | 11.0°C | 33.5°C | 7.6°C | 20 mm | 77% | 0.4 m/s | 6.1 |
| 2008 | 17.3°C | 13.1°C | 8.8°C | 30.7°C | 4.4°C | 58 mm | 79% | 0.5 m/s | 5 |
| 2007 | 17.7°C | 13.8°C | 9.9°C | 28.2°C | 6.0°C | 83 mm | 80% | 0.5 m/s | 4.7 |
| 2006 | 20.1°C | 15.6°C | 11.1°C | 32.5°C | 8.3°C | 46 mm | 78% | 0.4 m/s | 6 |
| 2005 | 18.0°C | 14.2°C | 10.5°C | 27.8°C | 6.7°C | 79 mm | 82% | 0.5 m/s | 4.6 |
| 2004 | 21.5°C | 16.4°C | 11.4°C | 32.4°C | 7.1°C | 36 mm | 75% | 0.5 m/s | 6.5 |
| 2003 | 20.7°C | 15.9°C | 11.1°C | 31.9°C | 7.6°C | 32 mm | 76% | 0.5 m/s | 6.1 |
| 2002 | 20.0°C | 15.5°C | 10.9°C | 33.8°C | 5.9°C | 51 mm | 77% | 0.5 m/s | 6.2 |
| 2001 | 17.1°C | 13.1°C | 9.0°C | 24.2°C | 5.4°C | 78 mm | 79% | 0.5 m/s | 5.4 |
| 2000 | 19.2°C | 14.8°C | 10.4°C | 30.9°C | 7.0°C | 90 mm | 79% | 0.5 m/s | 5.6 |
| 1999 | 16.9°C | 13.0°C | 9.2°C | 30.8°C | 4.6°C | 81 mm | 82% | 0.5 m/s | 5.6 |
| 1998 | 19.2°C | 15.2°C | 11.3°C | 26.1°C | 7.9°C | 50 mm | 82% | 0.5 m/s | 5.6 |
| 1997 | 18.4°C | 14.6°C | 10.8°C | 22.5°C | 8.6°C | 101 mm | 81% | 0.5 m/s | 5.2 |
| 1996 | 18.1°C | 13.7°C | 9.2°C | 25.7°C | 6.4°C | 21 mm | 77% | 0.5 m/s | 5.7 |
| 1995 | 20.4°C | 15.8°C | 11.2°C | 32.2°C | 8.1°C | 56 mm | 76% | 0.5 m/s | 5.7 |
| 1994 | 17.8°C | 13.7°C | 9.7°C | 22.8°C | 6.3°C | 78 mm | 77% | 0.5 m/s | 5 |
| 1993 | 18.3°C | 14.5°C | 10.6°C | 26.2°C | 8.0°C | 94 mm | 80% | 0.6 m/s | 5 |
| 1992 | 21.0°C | 16.5°C | 11.9°C | 28.7°C | 7.8°C | 92 mm | 78% | 0.5 m/s | 5.8 |
| 1991 | 17.2°C | 13.3°C | 9.4°C | 25.0°C | 5.9°C | 60 mm | 81% | 0.5 m/s | 5 |
| 1990 | 18.8°C | 14.6°C | 10.3°C | 31.3°C | 7.0°C | 108 mm | 80% | 0.5 m/s | 5 |
| 1989 | 20.7°C | 15.9°C | 11.2°C | 29.0°C | 7.4°C | 43 mm | 76% | 0.5 m/s | 5.9 |
| 1988 | 18.2°C | 13.7°C | 9.2°C | 28.3°C | 5.7°C | 49 mm | 76% | 0.4 m/s | 5.3 |
| 1987 | 20.5°C | 15.5°C | 10.4°C | 29.1°C | 5.0°C | 27 mm | 75% | 0.4 m/s | 5.8 |
| 1986 | 20.7°C | 15.7°C | 10.6°C | 34.5°C | 6.7°C | 44 mm | 74% | 0.4 m/s | 5.2 |
| 1985 | 18.9°C | 14.0°C | 9.2°C | 29.0°C | 6.6°C | 51 mm | 76% | 0.5 m/s | 5.6 |
| 1984 | 17.4°C | 13.1°C | 8.9°C | 24.3°C | 4.6°C | 71 mm | 81% | 0.5 m/s | 5.2 |
| 1983 | 18.2°C | 14.0°C | 9.9°C | 25.1°C | 7.5°C | 83 mm | 80% | 0.5 m/s | — |
| 1982 | 21.5°C | 16.7°C | 11.8°C | 32.9°C | 7.4°C | 38 mm | 75% | 0.4 m/s | — |
| 1981 ❄️ 🌧️ | 16.6°C | 12.7°C | 8.9°C | 24.2°C | 7.2°C | 141 mm | 82% | 0.5 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 19°C with lows near 10.3°C (mean 14.7°C), based on 45 years of NASA POWER data.
June averages 63 mm of rainfall in Mission, one of the drier months. The wettest on record was 141 mm in 1981.
The hottest June reached 42.9°C in 2021. The coldest dipped to 4.4°C in 2008.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 0.9°C. Daytime highs moved from 18.5°C to 19.4°C and overnight lows from 9.7°C to 10.6°C over the same span.
June is one of the warmer months of the year in Mission and one of the drier months, so plan for around 19°C daytime highs and 10.3°C at night.
Not quite — June is the 9th coolest month in Mission, averaging 14.7°C.
For June in Mission, pack light layers you can adjust through the day, with typical highs of 19°C and lows of 10.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 79% — quite humid.
Average wind speed in June is 0.5 m/s. The windiest June on record averaged 0.6 m/s (1993).
The wettest June on record was 1981 with 141 mm. On average, June sees 63 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 Mission 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.
