Sendai weather in July
July in Sendai: warm, soaked, with clean air — a gamble, with 19 rainy days.
#11 of 12 months in Sendai · #711 of 897 destinations to visit in July · comfort 63/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
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Sendai climate normals — July
| Daytime high | 26°C / 78°F | 🌤 warm |
|---|---|---|
| Nighttime low | 21°C / 69°F | |
| Rainfall | 217 mm / 8.6 in | ⛈ soaked |
| Rainy days | 19 days | |
| Humidity | 88% | 💦 very humid |
| Dew point | 22°C / 72°F | |
| Sunshine | 7 h/day | |
| Daylight | 14.5 h | |
| Wind | 10 km/h / 6 mph | |
| Air quality (US AQI) | 49 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Sendai in July — FAQ
- Is July a good time to visit Sendai?
- July in Sendai: warm, soaked, with clean air — a gamble, with 19 rainy days. It ranks #11 of 12 months for Sendai on SeasonMap's comfort score (63/100).
- What is the weather like in Sendai in July?
- In July, Sendai averages a daily high of 25.6°C and a low of 20.6°C, with about 217.2 mm of rain over roughly 19 rainy days.
- What is the air quality in Sendai in July?
- Sendai has a mean US Air Quality Index of about 49 in July.