June is one of the warmer months of the year in Altoona, with average highs near 25.6°C and lows around 13.8°C (mean 19.7°C). It is a relatively wet time of year, averaging 100 mm of rainfall and 76% relative humidity across the period.
June is one of the warmer months of the year in Altoona. Across 45 years of records, the warmest June in Altoona was 2005 — when the month averaged 21.8°C — while the coldest was 1982 at 16.9°C. Typical June days reach 25.6°C with nights near 13.8°C. The long-term trend is warming, about 0.4°C per decade.
June is a relatively wet time of year in Altoona, averaging 100 mm of rainfall. The wettest June on record was 2015 with 185 mm, while the driest was 1988 at 39 mm.
Relative humidity in Altoona during June averages 76%. The most humid June was 1989 at 84%, and the least humid was 1988 at 60%.
June receives about 5.8 kWh/m²/day of solar energy in Altoona. The sunniest June was 1988 at 7 kWh/m²/day, and the cloudiest was 2015 at 4.8.
Average wind speed in Altoona during June is 0.1 m/s. The windiest Junes were 2022, 2023 and 2024, among others at 0.1 m/s, while the calmest were 2015, 2020 and 2025, among others at 0 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 18.8°C | 19.6°C | 19.8°C | 20.0°C | 20.4°C | +1.6°C |
| Avg High | 24.7°C | 25.7°C | 25.7°C | 25.6°C | 26.4°C | +1.7°C |
| Avg Low | 12.9°C | 13.4°C | 14.0°C | 14.4°C | 14.4°C | +1.5°C |
| Avg Rain | 116 mm | 85 mm | 104 mm | 106 mm | 89 mm | -27 mm |
June temperatures in Altoona have risen by about 2.1°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 3.1°C (1988) to a record high of 36°C (2021).
Rainfall in June is a relatively wet time of year, averaging 100 mm, with a wettest year of 185 mm.
One of the best times to visit Altoona
June is one of the best times to visit Altoona. Expect days averaging 25.6°C and nights around 13.8°C (mean 19.7°C) — warmer than Altoona's yearly average — with higher rainfall (100 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 | 26.5°C | 21.3°C | 16.1°C | 33.7°C | 4.1°C | 134 mm | 83% | 0 m/s | 5.7 |
| 2024 | 27.0°C | 20.9°C | 14.8°C | 34.5°C | 8.6°C | 58 mm | 75% | 0.1 m/s | 6.4 |
| 2023 | 25.6°C | 19.1°C | 12.6°C | 32.8°C | 7.7°C | 87 mm | 66% | 0.1 m/s | 5.5 |
| 2022 | 26.3°C | 20.1°C | 13.9°C | 32.4°C | 7.4°C | 88 mm | 72% | 0.1 m/s | 6.6 |
| 2021 | 27.2°C | 21.1°C | 15.1°C | 36.0°C | 6.6°C | 85 mm | 73% | 0.1 m/s | 6 |
| 2020 | 25.7°C | 19.8°C | 13.9°C | 34.8°C | 3.9°C | 79 mm | 77% | 0 m/s | 6.4 |
| 2019 | 24.5°C | 19.1°C | 13.7°C | 33.4°C | 4.3°C | 95 mm | 81% | 0.1 m/s | 6 |
| 2018 | 24.9°C | 19.8°C | 14.7°C | 34.1°C | 8.9°C | 141 mm | 81% | 0.1 m/s | 5.4 |
| 2017 | 25.4°C | 19.8°C | 14.2°C | 33.0°C | 8.9°C | 88 mm | 77% | 0.1 m/s | 6.1 |
| 2016 | 26.9°C | 20.6°C | 14.3°C | 32.2°C | 6.6°C | 72 mm | 69% | 0.1 m/s | 6.4 |
| 2015 🌧️ | 25.8°C | 20.3°C | 14.8°C | 32.5°C | 8.0°C | 185 mm | 80% | 0 m/s | 4.8 |
| 2014 | 25.3°C | 19.8°C | 14.2°C | 29.3°C | 8.2°C | 125 mm | 82% | 0.1 m/s | 5.8 |
| 2013 | 25.8°C | 20.2°C | 14.5°C | 32.2°C | 6.4°C | 140 mm | 76% | 0.1 m/s | 5.5 |
| 2012 | 25.5°C | 19.5°C | 13.5°C | 33.3°C | 9.6°C | 75 mm | 73% | 0.1 m/s | 6.4 |
| 2011 | 25.3°C | 19.8°C | 14.4°C | 28.9°C | 6.9°C | 59 mm | 80% | 0.1 m/s | 5.9 |
| 2010 | 26.9°C | 21.1°C | 15.3°C | 32.1°C | 8.1°C | 76 mm | 76% | 0 m/s | 5.8 |
| 2009 | 24.1°C | 18.8°C | 13.5°C | 29.4°C | 5.3°C | 122 mm | 80% | 0.1 m/s | 5.2 |
| 2008 | 25.6°C | 20.3°C | 15.0°C | 30.4°C | 8.9°C | 89 mm | 81% | 0 m/s | 6 |
| 2007 | 27.0°C | 20.4°C | 13.8°C | 34.3°C | 8.2°C | 92 mm | 69% | 0.1 m/s | 6.4 |
| 2006 | 25.1°C | 19.3°C | 13.6°C | 33.8°C | 4.9°C | 139 mm | 74% | 0.1 m/s | 5.6 |
| 2005 🔥 | 28.0°C | 21.8°C | 15.7°C | 35.1°C | 9.9°C | 60 mm | 72% | 0.1 m/s | 6.1 |
| 2004 | 23.8°C | 18.3°C | 12.8°C | 29.4°C | 6.7°C | 91 mm | 81% | 0 m/s | 5.8 |
| 2003 | 23.1°C | 17.9°C | 12.7°C | 33.2°C | 4.2°C | 118 mm | 83% | 0 m/s | 4.9 |
| 2002 | 26.3°C | 20.3°C | 14.3°C | 32.7°C | 8.2°C | 112 mm | 75% | 0.1 m/s | 6.1 |
| 2001 | 27.9°C | 20.9°C | 13.9°C | 34.1°C | 7.2°C | 100 mm | 67% | 0.1 m/s | 6 |
| 2000 | 26.3°C | 20.4°C | 14.6°C | 30.9°C | 7.5°C | 114 mm | 75% | 0.1 m/s | 5.2 |
| 1999 | 28.0°C | 20.7°C | 13.4°C | 34.2°C | 7.0°C | 62 mm | 62% | 0.1 m/s | 5.9 |
| 1998 | 23.3°C | 18.3°C | 13.4°C | 30.3°C | 3.8°C | 114 mm | 82% | 0 m/s | 5 |
| 1997 | 24.9°C | 19.1°C | 13.3°C | 31.5°C | 5.5°C | 76 mm | 76% | 0.1 m/s | 6 |
| 1996 | 25.5°C | 20.0°C | 14.5°C | 32.1°C | 6.7°C | 136 mm | 83% | 0.1 m/s | 5.6 |
| 1995 | 25.7°C | 20.1°C | 14.5°C | 33.9°C | 7.7°C | 140 mm | 77% | 0.1 m/s | 5.7 |
| 1994 | 26.9°C | 20.6°C | 14.2°C | 33.2°C | 4.7°C | 76 mm | 75% | 0.1 m/s | 6.1 |
| 1993 | 24.9°C | 18.6°C | 12.4°C | 31.0°C | 3.3°C | 62 mm | 76% | 0.1 m/s | 6.1 |
| 1992 | 25.1°C | 18.4°C | 11.7°C | 32.0°C | 6.1°C | 52 mm | 69% | 0.1 m/s | 5.8 |
| 1991 | 27.6°C | 20.9°C | 14.2°C | 33.7°C | 7.7°C | 47 mm | 66% | 0.1 m/s | 6 |
| 1990 | 25.0°C | 18.9°C | 12.8°C | 29.6°C | 3.9°C | 91 mm | 76% | 0.1 m/s | 5.4 |
| 1989 | 24.0°C | 19.3°C | 14.6°C | 32.0°C | 9.4°C | 176 mm | 84% | 0.1 m/s | 5.1 |
| 1988 | 26.4°C | 19.0°C | 11.7°C | 34.9°C | 3.1°C | 39 mm | 60% | 0 m/s | 7 |
| 1987 | 26.3°C | 20.4°C | 14.5°C | 31.9°C | 7.4°C | 106 mm | 75% | 0.1 m/s | 5.9 |
| 1986 | 25.1°C | 18.8°C | 12.4°C | 29.5°C | 3.3°C | 110 mm | 74% | 0.1 m/s | 6.1 |
| 1985 | 23.4°C | 17.3°C | 11.1°C | 27.6°C | 6.9°C | 68 mm | 76% | 0 m/s | 5.9 |
| 1984 | 24.9°C | 19.1°C | 13.3°C | 29.2°C | 5.9°C | 133 mm | 80% | 0.1 m/s | 5.8 |
| 1983 | 24.4°C | 18.8°C | 13.1°C | 29.5°C | 4.3°C | 128 mm | 79% | 0.1 m/s | — |
| 1982 ❄️ | 22.1°C | 16.9°C | 11.6°C | 28.5°C | 7.2°C | 143 mm | 82% | 0.1 m/s | — |
| 1981 | 25.9°C | 19.7°C | 13.6°C | 29.8°C | 6.2°C | 138 mm | 76% | 0.1 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 25.6°C with lows near 13.8°C (mean 19.7°C), based on 45 years of NASA POWER data.
June averages 100 mm of rainfall in Altoona, a relatively wet time of year. The wettest on record was 185 mm in 2015.
The hottest June reached 36°C in 2021. The coldest dipped to 3.1°C in 1988.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 2.1°C. Daytime highs moved from 24.1°C to 26.5°C and overnight lows from 12.5°C to 14.5°C over the same span.
June is one of the warmer months of the year in Altoona and a relatively wet time of year, so plan for around 25.6°C daytime highs and 13.8°C at night.
Not quite — June is the 10th coolest month in Altoona, averaging 19.7°C.
For June in Altoona, pack light layers you can adjust through the day, with typical highs of 25.6°C and lows of 13.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 76% — quite humid.
Average wind speed in June is 0.1 m/s. The windiest June on record averaged 0.1 m/s (1981).
The wettest June on record was 2015 with 185 mm. On average, June sees 100 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 Altoona 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.
