July is one of the warmer months of the year in Astoria, with average highs near 28.7°C and lows around 18.6°C (mean 23.7°C). It is a relatively wet time of year, averaging 114 mm of rainfall and 74% relative humidity across the period.
July is one of the warmer months of the year in Astoria. Across 45 years of records, the warmest July in Astoria was 1999 — when the month averaged 26.2°C — while the coldest was 1984 at 20.8°C. Typical July days reach 28.7°C with nights near 18.6°C. The long-term trend is warming, about 0.6°C per decade.
July is a relatively wet time of year in Astoria, averaging 114 mm of rainfall. The wettest July on record was 2021 with 219 mm, while the driest was 1999 at 27 mm.
Relative humidity in Astoria during July averages 74%. The most humid July was 1984 at 85%, and the least humid was 1999 at 58%.
July receives about 6 kWh/m²/day of solar energy in Astoria. The sunniest July was 2001 at 6.7 kWh/m²/day, and the cloudiest were 1989, 1990 and 1996 at 5.3.
Average wind speed in Astoria during July is 1.2 m/s. The windiest Julys were 1981 and 2014 at 1.4 m/s, while the calmest were 2017, 2019 and 2023, among others at 1.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 22.7°C | 23.5°C | 23.1°C | 24.4°C | 25.1°C | +2.4°C |
| Avg High | 27.9°C | 28.7°C | 28.1°C | 29.3°C | 29.9°C | +2°C |
| Avg Low | 17.5°C | 18.2°C | 18.1°C | 19.5°C | 20.2°C | +2.7°C |
| Avg Rain | 129 mm | 96 mm | 106 mm | 114 mm | 137 mm | +8 mm |
July temperatures in Astoria have risen by about 2.6°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 8.7°C (1988) to a record high of 38.7°C (2010).
Rainfall in July is a relatively wet time of year, averaging 114 mm, with a wettest year of 219 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.4°C per decade while lows rose 0.7°C per decade, narrowing the gap between day and night.
One of the best times to visit Astoria
July is one of the best times to visit Astoria. Expect days averaging 28.7°C and nights around 18.6°C (mean 23.7°C) — warmer than Astoria's yearly average — with higher rainfall (114 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 | 31.1°C | 26.0°C | 20.8°C | 37.8°C | 15.5°C | 112 mm | 73% | 1.2 m/s | 6.2 |
| 2024 | 30.0°C | 25.3°C | 20.6°C | 33.8°C | 15.4°C | 100 mm | 76% | 1.2 m/s | 6 |
| 2023 | 29.1°C | 24.5°C | 20.0°C | 32.8°C | 16.2°C | 198 mm | 80% | 1.1 m/s | 6.1 |
| 2022 | 31.1°C | 25.7°C | 20.3°C | 36.1°C | 15.3°C | 63 mm | 66% | 1.3 m/s | 6.3 |
| 2021 🌧️ | 27.6°C | 23.2°C | 18.9°C | 31.0°C | 12.2°C | 219 mm | 82% | 1.2 m/s | 5.7 |
| 2020 | 30.6°C | 25.7°C | 20.9°C | 34.7°C | 18.0°C | 130 mm | 74% | 1.2 m/s | 6.3 |
| 2019 | 29.3°C | 24.7°C | 20.1°C | 33.2°C | 16.1°C | 128 mm | 79% | 1.1 m/s | 6.5 |
| 2018 | 28.9°C | 24.1°C | 19.4°C | 34.7°C | 14.4°C | 152 mm | 76% | 1.3 m/s | 6.5 |
| 2017 | 27.4°C | 23.0°C | 18.6°C | 32.5°C | 13.7°C | 126 mm | 78% | 1.1 m/s | 5.9 |
| 2016 | 30.5°C | 25.1°C | 19.6°C | 35.2°C | 14.8°C | 148 mm | 69% | 1.2 m/s | 6.3 |
| 2015 | 28.9°C | 23.9°C | 18.9°C | 34.3°C | 15.1°C | 78 mm | 72% | 1.2 m/s | 6.2 |
| 2014 | 27.4°C | 22.8°C | 18.2°C | 30.2°C | 13.8°C | 129 mm | 76% | 1.4 m/s | 6.2 |
| 2013 | 28.5°C | 24.5°C | 20.4°C | 34.0°C | 15.5°C | 97 mm | 81% | 1.3 m/s | 6 |
| 2012 | 30.6°C | 25.4°C | 20.2°C | 35.9°C | 16.6°C | 110 mm | 68% | 1.1 m/s | 6.1 |
| 2011 | 29.6°C | 24.5°C | 19.4°C | 36.1°C | 13.6°C | 80 mm | 74% | 1.1 m/s | 6.5 |
| 2010 | 31.5°C | 25.8°C | 20.1°C | 38.7°C | 13.0°C | 89 mm | 65% | 1.2 m/s | 6.5 |
| 2009 | 25.7°C | 21.2°C | 16.8°C | 29.0°C | 12.6°C | 149 mm | 81% | 1.2 m/s | 6.4 |
| 2008 | 29.6°C | 24.5°C | 19.3°C | 34.8°C | 15.7°C | 108 mm | 72% | 1.1 m/s | 6.1 |
| 2007 | 27.8°C | 22.8°C | 17.9°C | 33.6°C | 11.3°C | 138 mm | 74% | 1.2 m/s | 6.1 |
| 2006 | 28.4°C | 24.0°C | 19.6°C | 34.1°C | 14.8°C | 104 mm | 81% | 1.2 m/s | 5.9 |
| 2005 | 29.8°C | 24.4°C | 19.1°C | 35.2°C | 14.7°C | 89 mm | 72% | 1.2 m/s | 5.8 |
| 2004 | 27.6°C | 22.9°C | 18.2°C | 31.2°C | 15.4°C | 151 mm | 77% | 1.3 m/s | 5.7 |
| 2003 | 27.1°C | 22.7°C | 18.2°C | 30.1°C | 14.7°C | 75 mm | 81% | 1.2 m/s | 5.8 |
| 2002 | 31.1°C | 25.1°C | 19.0°C | 36.2°C | 13.4°C | 40 mm | 61% | 1.2 m/s | 6.4 |
| 2001 | 27.7°C | 22.0°C | 16.2°C | 35.7°C | 11.5°C | 55 mm | 65% | 1.3 m/s | 6.7 |
| 2000 | 25.9°C | 21.1°C | 16.2°C | 29.7°C | 12.4°C | 151 mm | 74% | 1.2 m/s | 5.8 |
| 1999 🔥 | 32.5°C | 26.2°C | 20.0°C | 38.0°C | 14.1°C | 27 mm | 58% | 1.2 m/s | 6.2 |
| 1998 | 27.3°C | 22.3°C | 17.4°C | 31.4°C | 13.3°C | 38 mm | 76% | 1.2 m/s | 6.3 |
| 1997 | 29.1°C | 23.1°C | 17.1°C | 36.4°C | 12.7°C | 123 mm | 66% | 1.3 m/s | 6.5 |
| 1996 | 25.4°C | 21.2°C | 16.9°C | 29.7°C | 12.7°C | 197 mm | 82% | 1.3 m/s | 5.3 |
| 1995 | 30.1°C | 24.6°C | 19.1°C | 35.8°C | 12.0°C | 103 mm | 70% | 1.3 m/s | 5.8 |
| 1994 | 29.2°C | 24.5°C | 19.8°C | 32.9°C | 15.0°C | 100 mm | 77% | 1.2 m/s | 6 |
| 1993 | 30.5°C | 24.6°C | 18.7°C | 36.4°C | 15.6°C | 48 mm | 63% | 1.3 m/s | 6.4 |
| 1992 | 26.6°C | 21.8°C | 16.9°C | 31.4°C | 12.9°C | 145 mm | 76% | 1.3 m/s | 6.1 |
| 1991 | 29.4°C | 23.9°C | 18.4°C | 36.4°C | 14.6°C | 85 mm | 65% | 1.2 m/s | 5.6 |
| 1990 | 26.9°C | 22.4°C | 17.9°C | 30.1°C | 13.1°C | 95 mm | 80% | 1.3 m/s | 5.3 |
| 1989 | 26.0°C | 21.6°C | 17.2°C | 30.3°C | 13.7°C | 110 mm | 83% | 1.1 m/s | 5.3 |
| 1988 | 30.0°C | 24.5°C | 19.1°C | 36.0°C | 8.7°C | 180 mm | 72% | 1.2 m/s | 5.4 |
| 1987 | 28.8°C | 23.6°C | 18.5°C | 33.1°C | 12.9°C | 113 mm | 75% | 1.1 m/s | 5.9 |
| 1986 | 28.2°C | 22.9°C | 17.6°C | 33.4°C | 9.9°C | 158 mm | 74% | 1.2 m/s | 5.5 |
| 1985 | 28.3°C | 22.8°C | 17.2°C | 31.7°C | 11.8°C | 127 mm | 71% | 1.3 m/s | 6.1 |
| 1984 ❄️ | 25.0°C | 20.8°C | 16.6°C | 28.8°C | 11.3°C | 199 mm | 85% | 1.2 m/s | 5.5 |
| 1983 | 27.7°C | 22.4°C | 17.1°C | 31.1°C | 11.1°C | 68 mm | 78% | 1.2 m/s | — |
| 1982 | 27.6°C | 22.1°C | 16.6°C | 32.5°C | 8.9°C | 86 mm | 75% | 1.1 m/s | — |
| 1981 | 29.1°C | 23.5°C | 17.8°C | 34.1°C | 13.5°C | 115 mm | 67% | 1.4 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 28.7°C with lows near 18.6°C (mean 23.7°C), based on 45 years of NASA POWER data.
July averages 114 mm of rainfall in Astoria, a relatively wet time of year. The wettest on record was 219 mm in 2021.
The hottest July reached 38.7°C in 2010. The coldest dipped to 8.7°C in 1988.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 2.6°C. Daytime highs moved from 27.5°C to 29.8°C and overnight lows from 17.1°C to 20.1°C over the same span.
July is one of the warmer months of the year in Astoria and a relatively wet time of year, so plan for around 28.7°C daytime highs and 18.6°C at night.
Not quite — July is the 12th coolest month in Astoria, averaging 23.7°C.
For July in Astoria, pack light layers you can adjust through the day, with typical highs of 28.7°C and lows of 18.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 74% — moderately humid.
Average wind speed in July is 1.2 m/s. The windiest July on record averaged 1.4 m/s (1981).
The wettest July on record was 2021 with 219 mm. On average, July sees 114 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 Astoria 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.
