Hangzhou in August: what to plant
Over the last 5 years, August in Hangzhou has run 26.3–34.9°C with about 138 mm of rain across the month. Here is what weather like that will carry to harvest.
Everything above is a five-year average. In the game it is this — the weather Hangzhou is actually having, today.
Grow one in Hangzhou's weather right now →❄️ No sub-zero nights in August in the last 5 years — frost is not the limiting factor here.
🗓️ This month sits inside the frost-free window. Average last spring frost around Feb 21, first autumn frost around Dec 12 — roughly 296 frost-free days. Sow tender crops after the last frost date and make sure they finish before the first.
☀️ About 10.3 h of sunshine a day this month. Within the month it cools by about 2.1°C from the first ten days to the last — the window for autumn sowings is opening.
Sow this month — when would you harvest?
Assuming you sow in mid-August, then adding up the warmth Hangzhou usually gets, one day at a time — which is why some of these run past the end of the month.
| Crop | Days | Harvest around |
|---|---|---|
| 🌶️ Okra | 79 | Nov 1 |
| 🥢 Yardlong bean | 78 | Oct 31 |
| 🌱 Microgreens | 5 | Aug 19 |
| 🌿 Amaranth greens | 29 | Sep 12 |
| 🍃 Mint | 19 | Sep 2 |
| 🌿 Basil | 20 | Sep 3 |
| 🧅 Chives | 22 | Sep 5 |
| 🌽 Sweet Corn | 52 | Oct 5 |
⏳ Too late this month: Winter melon, Luffa, Bitter melon would still be in the ground when the first frost arrives (around Dec 12). Sow them earlier in the year, or grow them under cover.
Best crops to sow now
- 🌶️ Okra Ideal about 49 days to harvest Recent mean 30.6°C — right in the sweet spot
- 🥢 Yardlong bean Ideal about 53 days to harvest Recent mean 30.6°C — right in the sweet spot
- 🌱 Microgreens Ideal about 5 days to harvest 🪴 Windowsill pot — sheltered from outdoor weather
- 🍈 Winter melon Good about 87 days to harvest Recent mean 30.6°C — right in the sweet spot
- 🥒 Luffa Good about 66 days to harvest Recent mean 30.6°C — right in the sweet spot
- 🌿 Amaranth greens Good about 27 days to harvest Recent mean 30.6°C — right in the sweet spot
- 🍃 Mint Ideal about 19 days to harvest 🪴 Windowsill pot — sheltered from outdoor weather
- 🌿 Basil Ideal about 20 days to harvest 🪴 Windowsill pot — sheltered from outdoor weather
- 🧅 Chives Ideal about 22 days to harvest 🪴 Windowsill pot — sheltered from outdoor weather
- 🥒 Bitter melon Good about 61 days to harvest Recent mean 30.6°C — right in the sweet spot
- 🌽 Sweet Corn Good about 44 days to harvest Recent mean 30.6°C — right in the sweet spot
Leave these for another month
- 🌿 Dill — Recent mean 30.6°C is too hot (ideal 9–26°C)
- 🌿 Parsley — Recent mean 30.6°C is too hot (ideal 7–25°C)
- 🌿 Coriander — Recent mean 30.6°C is too hot (ideal 8–24°C)
Other months in Hangzhou
📍 Somewhere else? Look up your own city →
Temperature and rainfall come from Open-Meteo's historical observations for Hangzhou, averaged day by day over the last 5 years. Whether a crop finishes in time is worked out from its own starting temperature and heat requirement — those numbers are listed on each crop page if you want to check them.