Singapore in May: what to plant
Over the last 5 years, May in Singapore has run 24.7–31.1°C with about 278 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 Singapore is actually having, today.
Grow one in Singapore's weather right now →❄️ No sub-zero nights in May 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 9.9 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-May, then adding up the warmth Singapore 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 | 104 | Aug 26 |
| 🌱 Microgreens | 5 | May 19 |
| 🏵️ Marigold | 29 | Jun 12 |
| 🌿 Amaranth greens | 31 | Jun 14 |
| 🥢 Green Beans | 34 | Jun 17 |
| 🥒 Zucchini | 37 | Jun 20 |
| 🌽 Sweet Corn | 52 | Jul 5 |
| 🌻 Sunflower | 51 | Jul 4 |
| 🌿 Basil | 20 | Jun 3 |
| 🍃 Mint | 20 | Jun 3 |
| 🧅 Chives | 22 | Jun 5 |
| 🥒 Cucumber | 55 | Jul 8 |
Best crops to sow now
They are all ideal for this month — the only real difference is how long each one takes, so pick whatever you want to eat.
- 🍈 Winter melon about 101 days to harvest Recent mean 27.9°C — right in the sweet spot
- 🌱 Microgreens about 5 days to harvest 🪴 Windowsill pot — sheltered from outdoor weather
- 🏵️ Marigold about 29 days to harvest Recent mean 27.9°C — right in the sweet spot
- 🌿 Amaranth greens about 31 days to harvest Recent mean 27.9°C — right in the sweet spot
- 🥢 Green Beans about 34 days to harvest Recent mean 27.9°C — right in the sweet spot
- 🥒 Zucchini about 37 days to harvest Recent mean 27.9°C — right in the sweet spot
- 🌽 Sweet Corn about 51 days to harvest Recent mean 27.9°C — right in the sweet spot
- 🌻 Sunflower about 51 days to harvest Recent mean 27.9°C — right in the sweet spot
- 🌿 Basil about 20 days to harvest 🪴 Windowsill pot — sheltered from outdoor weather
- 🍃 Mint about 20 days to harvest 🪴 Windowsill pot — sheltered from outdoor weather
- 🧅 Chives about 22 days to harvest 🪴 Windowsill pot — sheltered from outdoor weather
- 🥒 Cucumber about 54 days to harvest Recent mean 27.9°C — right in the sweet spot
Leave these for another month
- 🌿 Dill — Recent mean 27.9°C is too hot (ideal 9–26°C)
- 🌿 Parsley — Recent mean 27.9°C is too hot (ideal 7–25°C)
- 🌿 Coriander — Recent mean 27.9°C is too hot (ideal 8–24°C)
Other months in Singapore
📍 Somewhere else? Look up your own city →
Temperature and rainfall come from Open-Meteo's historical observations for Singapore, 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.