Washington weather in July
July in Washington: sweltering, rainy — a good time to visit.
#9 of 12 months in Washington · #428 of 604 destinations to visit in July · comfort 67/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Washington climate normals — July
| Daytime high | 32°C / 90°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 22°C / 72°F | |
| Feels like (high) | 36°C / 97°F | |
| Rainfall | 120 mm / 4.7 in | 🌧 rainy |
| Rainy days | 14 days | |
| Humidity | 74% | 💧 humid |
| Dew point | 21°C / 69°F | |
| Sunshine | 12.1 h/day | |
| Daylight | 14.6 h | |
| Wind | 12 km/h / 8 mph | |
| Air quality (US AQI) | 73 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Washington in July — FAQ
- Is July a good time to visit Washington?
- July in Washington: sweltering, rainy — a good time to visit. It ranks #9 of 12 months for Washington on SeasonMap's comfort score (67/100).
- What is the weather like in Washington in July?
- In July, Washington averages a daily high of 32°C and a low of 22.4°C, with about 119.8 mm of rain over roughly 14 rainy days.
- What is the air quality in Washington in July?
- Washington has a mean US Air Quality Index of about 73 in July.