July is one of the warmer months of the year in Altoona, with average highs near 29°C and lows around 16.5°C (mean 22.8°C). It is a relatively wet time of year, averaging 98 mm of rainfall and 70% relative humidity across the period.
July is one of the warmer months of the year in Altoona. Across 45 years of records, the warmest July in Altoona was 2020 — when the month averaged 25.7°C — while the coldest was 1996 at 19.7°C. Typical July days reach 29°C with nights near 16.5°C. The long-term trend is warming, about 0.4°C per decade.
July is a relatively wet time of year in Altoona, averaging 98 mm of rainfall. The wettest July on record was 2018 with 217 mm, while the driest was 1983 at 38 mm.
Relative humidity in Altoona during July averages 70%. The most humid July was 1989 at 83%, and the least humid was 1988 at 57%.
July receives about 5.7 kWh/m²/day of solar energy in Altoona. The sunniest July was 2010 at 6.5 kWh/m²/day, and the cloudiest was 2004 at 4.9.
Average wind speed in Altoona during July is 0.1 m/s. The windiest Julys were 2023, 2024 and 2025, among others at 0.1 m/s, while the calmest were 2006, 2013 and 2022, 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 | 22.3°C | 22.5°C | 22.1°C | 23.2°C | 24.3°C | +2°C |
| Avg High | 28.6°C | 28.8°C | 28.3°C | 29.2°C | 30.7°C | +2.1°C |
| Avg Low | 16.0°C | 16.2°C | 15.8°C | 17.2°C | 18.0°C | +2°C |
| Avg Rain | 98 mm | 93 mm | 95 mm | 108 mm | 96 mm | -2 mm |
July temperatures in Altoona have risen by about 2.5°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 7.5°C (1983) to a record high of 38.7°C (1988).
Rainfall in July is a relatively wet time of year, averaging 98 mm, with a wettest year of 217 mm.
One of the best times to visit Altoona
July is one of the best times to visit Altoona. Expect days averaging 29°C and nights around 16.5°C (mean 22.8°C) — warmer than Altoona's yearly average — with higher rainfall (98 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 | 30.8°C | 24.7°C | 18.6°C | 35.8°C | 13.5°C | 112 mm | 74% | 0.1 m/s | 5.9 |
| 2024 | 31.1°C | 24.6°C | 18.1°C | 35.8°C | 10.9°C | 99 mm | 65% | 0.1 m/s | 6.2 |
| 2023 | 29.5°C | 23.6°C | 17.6°C | 35.0°C | 14.4°C | 132 mm | 72% | 0.1 m/s | 5.6 |
| 2022 | 30.7°C | 24.1°C | 17.5°C | 35.9°C | 13.0°C | 71 mm | 65% | 0 m/s | 5.8 |
| 2021 | 29.4°C | 23.2°C | 16.9°C | 33.8°C | 11.6°C | 113 mm | 70% | 0.1 m/s | 5.7 |
| 2020 🔥 | 32.5°C | 25.7°C | 19.0°C | 35.9°C | 14.2°C | 47 mm | 62% | 0.1 m/s | 6.4 |
| 2019 | 28.8°C | 23.4°C | 17.9°C | 32.5°C | 11.9°C | 95 mm | 79% | 0.1 m/s | 5.9 |
| 2018 🌧️ | 27.2°C | 21.7°C | 16.2°C | 33.0°C | 11.1°C | 217 mm | 81% | 0.1 m/s | 5.8 |
| 2017 | 28.5°C | 22.7°C | 16.9°C | 33.5°C | 11.3°C | 137 mm | 75% | 0.1 m/s | 5.6 |
| 2016 | 31.5°C | 24.7°C | 18.0°C | 36.4°C | 12.3°C | 52 mm | 61% | 0.1 m/s | 5.9 |
| 2015 | 27.3°C | 21.7°C | 16.0°C | 33.6°C | 9.2°C | 116 mm | 76% | 0.1 m/s | 6 |
| 2014 | 27.2°C | 21.2°C | 15.1°C | 32.3°C | 9.4°C | 108 mm | 72% | 0.1 m/s | 5.7 |
| 2013 | 28.5°C | 23.1°C | 17.8°C | 34.0°C | 10.8°C | 81 mm | 76% | 0 m/s | 5.6 |
| 2012 | 31.2°C | 24.9°C | 18.5°C | 35.9°C | 14.3°C | 117 mm | 66% | 0.1 m/s | 5.7 |
| 2011 | 30.9°C | 24.5°C | 18.1°C | 37.0°C | 11.9°C | 57 mm | 68% | 0.1 m/s | 6.4 |
| 2010 | 31.2°C | 24.3°C | 17.5°C | 37.1°C | 8.9°C | 106 mm | 65% | 0.1 m/s | 6.5 |
| 2009 | 26.0°C | 20.1°C | 14.2°C | 30.6°C | 9.8°C | 114 mm | 72% | 0.1 m/s | 5.5 |
| 2008 | 28.3°C | 22.3°C | 16.3°C | 32.7°C | 11.8°C | 99 mm | 75% | 0.1 m/s | 5.9 |
| 2007 | 28.6°C | 21.8°C | 15.0°C | 34.8°C | 8.5°C | 71 mm | 64% | 0.1 m/s | 5.9 |
| 2006 | 29.4°C | 23.4°C | 17.4°C | 34.6°C | 10.9°C | 96 mm | 74% | 0 m/s | 5.6 |
| 2005 | 30.3°C | 24.2°C | 18.0°C | 34.2°C | 14.0°C | 101 mm | 69% | 0.1 m/s | 5.7 |
| 2004 | 26.6°C | 21.3°C | 16.1°C | 29.8°C | 12.0°C | 185 mm | 81% | 0.1 m/s | 4.9 |
| 2003 | 26.4°C | 21.1°C | 15.7°C | 29.2°C | 12.0°C | 124 mm | 80% | 0.1 m/s | 5.7 |
| 2002 | 30.9°C | 23.9°C | 17.0°C | 35.9°C | 9.6°C | 47 mm | 62% | 0.1 m/s | 6.1 |
| 2001 | 28.9°C | 21.6°C | 14.3°C | 36.4°C | 8.9°C | 43 mm | 57% | 0 m/s | 6 |
| 2000 | 27.6°C | 20.9°C | 14.2°C | 31.4°C | 9.4°C | 72 mm | 64% | 0.1 m/s | 5.3 |
| 1999 | 32.3°C | 25.1°C | 17.8°C | 38.5°C | 10.5°C | 55 mm | 57% | 0.1 m/s | 6.1 |
| 1998 | 27.2°C | 21.2°C | 15.3°C | 30.4°C | 10.1°C | 66 mm | 72% | 0.1 m/s | 5.8 |
| 1997 | 28.9°C | 22.1°C | 15.3°C | 34.7°C | 10.0°C | 62 mm | 64% | 0.1 m/s | 6 |
| 1996 ❄️ | 25.0°C | 19.7°C | 14.3°C | 28.3°C | 9.2°C | 160 mm | 81% | 0.1 m/s | 5.4 |
| 1995 | 29.3°C | 23.0°C | 16.8°C | 34.8°C | 8.0°C | 68 mm | 71% | 0.1 m/s | 5.7 |
| 1994 | 29.6°C | 23.4°C | 17.2°C | 34.0°C | 11.8°C | 95 mm | 71% | 0.1 m/s | 5.5 |
| 1993 | 29.7°C | 23.4°C | 17.1°C | 34.7°C | 11.7°C | 90 mm | 67% | 0.1 m/s | 5.6 |
| 1992 | 27.7°C | 22.0°C | 16.3°C | 32.0°C | 11.1°C | 141 mm | 75% | 0 m/s | 5.4 |
| 1991 | 30.1°C | 23.3°C | 16.6°C | 35.9°C | 11.6°C | 79 mm | 63% | 0.1 m/s | 5.9 |
| 1990 | 27.8°C | 21.6°C | 15.4°C | 32.5°C | 10.4°C | 112 mm | 75% | 0 m/s | 5.3 |
| 1989 | 26.8°C | 21.7°C | 16.7°C | 35.7°C | 10.8°C | 198 mm | 83% | 0.1 m/s | 5.2 |
| 1988 | 32.5°C | 25.1°C | 17.8°C | 38.7°C | 8.1°C | 89 mm | 57% | 0.1 m/s | 5.7 |
| 1987 | 29.9°C | 23.6°C | 17.3°C | 35.1°C | 9.6°C | 72 mm | 69% | 0.1 m/s | 6 |
| 1986 | 28.9°C | 22.8°C | 16.6°C | 32.4°C | 9.9°C | 111 mm | 73% | 0.1 m/s | 5.7 |
| 1985 | 28.1°C | 21.3°C | 14.5°C | 33.0°C | 9.9°C | 102 mm | 70% | 0.1 m/s | 5.7 |
| 1984 | 25.7°C | 20.0°C | 14.2°C | 29.5°C | 7.8°C | 79 mm | 78% | 0.1 m/s | 5 |
| 1983 | 29.0°C | 22.4°C | 15.9°C | 34.2°C | 7.5°C | 38 mm | 70% | 0.1 m/s | — |
| 1982 | 28.3°C | 21.9°C | 15.5°C | 33.4°C | 7.9°C | 87 mm | 73% | 0.1 m/s | — |
| 1981 | 28.5°C | 22.0°C | 15.6°C | 34.0°C | 8.4°C | 102 mm | 69% | 0.1 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 29°C with lows near 16.5°C (mean 22.8°C), based on 45 years of NASA POWER data.
July averages 98 mm of rainfall in Altoona, a relatively wet time of year. The wettest on record was 217 mm in 2018.
The hottest July reached 38.7°C in 1988. The coldest dipped to 7.5°C in 1983.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 2.5°C. Daytime highs moved from 27.9°C to 30.3°C and overnight lows from 15.1°C to 17.7°C over the same span.
July is one of the warmer months of the year in Altoona and a relatively wet time of year, so plan for around 29°C daytime highs and 16.5°C at night.
Not quite — July is the 12th coolest month in Altoona, averaging 22.8°C.
For July in Altoona, pack light layers you can adjust through the day, with typical highs of 29°C and lows of 16.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 70% — moderately humid.
Average wind speed in July is 0.1 m/s. The windiest July on record averaged 0.1 m/s (1981).
The wettest July on record was 2018 with 217 mm. On average, July sees 98 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 July, 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 July specifically, along with year-by-year records and how the month has changed over the decades.
