Tokyo in June: what to plant
Averaged over the last 5 years of daily records, June in Tokyo runs 19.2–26.7°C with about 247 mm of rain across the month. Here is what that climate actually supports.
❄️ No sub-zero nights in June in the last 5 years — frost is not the limiting factor here.
Best crops to sow now
- 🌱 Microgreens Fastest about 6 days to harvest 🪴 Windowsill pot — sheltered from outdoor weather
- 🍃 Mint about 21 days to harvest 🪴 Windowsill pot — sheltered from outdoor weather
- 🌿 Basil about 22 days to harvest 🪴 Windowsill pot — sheltered from outdoor weather
- 🧅 Chives about 24 days to harvest 🪴 Windowsill pot — sheltered from outdoor weather
- 🥢 Green Beans about 47 days to harvest Recent mean 22.9°C — right in the sweet spot
- 🥒 Zucchini about 51 days to harvest Recent mean 22.9°C — right in the sweet spot
- 🥒 Cucumber about 78 days to harvest Recent mean 22.9°C — right in the sweet spot
- 🍅 Tomato about 101 days to harvest Recent mean 22.9°C — right in the sweet spot
Leave these for another month
- 🌿 Spinach — Recent mean 22.9°C is too hot (ideal 5–22°C)
- 🫛 Peas — Recent mean 22.9°C is too hot (ideal 7–21°C)
- 🥗 Lettuce — Recent mean 22.9°C — right in the sweet spot
Other months in Tokyo
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.