Hong Kong in August: what to plant
Over the last 5 years, August in Hong Kong has run 25.5–29.5°C with about 345 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 Hong Kong is actually having, today.
Grow one in Hong Kong's weather right now →❄️ No sub-zero nights in August in the last 5 years — frost is not the limiting factor here.
🗓️ No night at or below 0°C in the last 5 years — frost is not a limiting factor here, and tender crops can stay out year-round.
☀️ About 8.7 h of sunshine a day this month. Temperatures hold steady through the month.
Sow this month — when would you harvest?
Assuming you sow in mid-August, then adding up the warmth Hong Kong usually gets, one day at a time — which is why some of these run past the end of the month.
| Crop | Days | Harvest around |
|---|---|---|
| 🍈 Winter melon | 152 | Jan 13 |
| 🌶️ Okra | 63 | Oct 16 |
| 🍆 Aubergine | 109 | Dec 1 |
| 🥒 Luffa | 88 | Nov 10 |
| 🌻 Sunflower | 52 | Oct 5 |
| 🧅 Onion | 48 | Oct 1 |
| 🌱 Microgreens | 5 | Aug 19 |
| 🏵️ Marigold | 30 | Sep 13 |
| 🌿 Amaranth greens | 32 | Sep 15 |
| 🥕 Carrot | 41 | Sep 24 |
| 🥬 Bok Choy | 21 | Sep 4 |
| 🥬 Swiss chard | 30 | Sep 13 |
Best crops to sow now
- 🍈 Winter melon Ideal about 104 days to harvest Recent mean 27.5°C — right in the sweet spot
- 🌶️ Okra Ideal about 61 days to harvest Recent mean 27.5°C — right in the sweet spot
- 🍆 Aubergine Ideal about 91 days to harvest Recent mean 27.5°C — right in the sweet spot
- 🥒 Luffa Ideal about 79 days to harvest Recent mean 27.5°C — right in the sweet spot
- 🌻 Sunflower Ideal about 52 days to harvest Recent mean 27.5°C — right in the sweet spot
- 🧅 Onion Ideal about 47 days to harvest Recent mean 27.5°C — right in the sweet spot
- 🌱 Microgreens Ideal about 5 days to harvest 🪴 Windowsill pot — sheltered from outdoor weather
- 🏵️ Marigold Ideal about 30 days to harvest Recent mean 27.5°C — right in the sweet spot
- 🌿 Amaranth greens Ideal about 32 days to harvest Recent mean 27.5°C — right in the sweet spot
- 🥕 Carrot Good about 41 days to harvest Recent mean 27.5°C is too hot (ideal 7–27°C)
- 🥬 Bok Choy Marginal about 21 days to harvest Recent mean 27.5°C is too hot (ideal 10–26°C)
- 🥬 Swiss chard Marginal about 29 days to harvest Recent mean 27.5°C is too hot (ideal 7–26°C)
Leave these for another month
- 🌿 Dill — Recent mean 27.5°C is too hot (ideal 9–26°C)
- 🌿 Parsley — Recent mean 27.5°C is too hot (ideal 7–25°C)
- 🌿 Coriander — Recent mean 27.5°C is too hot (ideal 8–24°C)
Other months in Hong Kong
📍 Somewhere else? Look up your own city →
Temperature and rainfall come from Open-Meteo's historical observations for Hong Kong, 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.