Seattle, Washington Weather in July
United States · July climate averages and travel tips
Avg high23°C (74°F)
Avg low13°C (56°F)
Rainfall19 mm (0.7 in)
RatingExcellent 10/10
Seattle in July sees daytime temperatures around 23°C (74°F), dropping to about 13°C (56°F) at night. July is summer in United States. The month is very dry, with about 19 mm (0.7 in) of rain spread over 4 days, one of the driest months of the year. You get roughly 15.4 hours of daylight and a mix of sun and cloud.
Is July a good time to visit Seattle?
Yes — July is one of the best months to visit Seattle. The weather rates excellent (10/10) on our comfort score.
July weather at a glance
| Average high | 23°C (74°F) |
|---|---|
| Average low | 13°C (56°F) |
| Daily mean | 18°C (65°F) |
| Rainfall | 19 mm (0.7 in) |
| Rainy days (1 mm+) | 4 |
| Humidity | 78% |
| Cloud cover | 44% |
| Daylight | 15.4 hours |
| Est. sunshine | 9.5 hours/day |
| Wind | 1.8 km/h |
| vs June | 4°C warmer than June, with 38 mm less rain. |
What to pack for Seattle in July
- T-shirts plus a light layer for the evening
Seattle weather in other months
Jan7°C / 2°C178 mmPoorFeb8°C / 2°C117 mmPoorMar11°C / 3°C133 mmPoorApr13°C / 5°C98 mmPoorMay18°C / 8°C73 mmGoodJun20°C / 11°C57 mmExcellentJul23°C / 13°C19 mmExcellentAug24°C / 13°C25 mmExcellentSep21°C / 11°C62 mmExcellentOct15°C / 8°C125 mmFairNov10°C / 4°C196 mmPoorDec7°C / 2°C184 mmPoor
← JuneBest time to visit SeattleAugust →
Nearby in July
- Victoria21°C · 19 mm
- Vancouver22°C · 26 mm
- Calgary25°C · 59 mm
- Edmonton24°C · 91 mm
- San Francisco, California23°C · 1 mm
- Las Vegas, Nevada42°C · 16 mm
Where else is good in July? See where to go in July.