Shanghai in August: what to plant
Averaged over the last 5 years of daily records, August in Shanghai runs 26.2–33.8°C with about 109 mm of rain across the month. Here is what that climate actually supports.
❄️ No sub-zero nights in August in the last 5 years — frost is not the limiting factor here.
Best crops to sow now
- 🌱 Microgreens Fastest about 5 days to harvest 🪴 Windowsill pot — sheltered from outdoor weather
- 🍃 Mint about 19 days to harvest 🪴 Windowsill pot — sheltered from outdoor weather
- 🌿 Basil about 20 days to harvest 🪴 Windowsill pot — sheltered from outdoor weather
- 🧅 Chives about 22 days to harvest 🪴 Windowsill pot — sheltered from outdoor weather
- 🌽 Sweet Corn about 45 days to harvest Recent mean 30.0°C — right in the sweet spot
- 🥒 Zucchini 72 about 33 days to harvest Recent mean 30.0°C is too hot (ideal 16–30°C)
- 🌻 Sunflower 72 about 46 days to harvest Recent mean 30.0°C is too hot (ideal 14–30°C)
- 🥒 Cucumber 72 about 48 days to harvest Recent mean 30.0°C — right in the sweet spot
Leave these for another month
- 🧅 Onion — Recent mean 30.0°C is too hot (ideal 8–28°C)
- 🧄 Garlic — Recent mean 30.0°C is too hot (ideal 4–24°C)
- ⚪ Turnip — Recent mean 30.0°C is too hot (ideal 8–24°C)
Other months in Shanghai
Temperature and rainfall are 5-year daily normals from the ERA5 reanalysis via Open-Meteo. Suitability is scored with the same degree-day model the game runs on — it is not a generic planting calendar.