Singapore in January: what to plant
Over the last 5 years, January in Singapore has run 23.1–29.6°C with about 290 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 January 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 8.8 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-January, 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 |
|---|---|---|
| 🧅 Onion | 49 | Mar 4 |
| 🌱 Microgreens | 5 | Jan 19 |
| 🏵️ Marigold | 31 | Feb 14 |
| 🌿 Amaranth greens | 34 | Feb 17 |
| 🥢 Green Beans | 37 | Feb 20 |
| 🥒 Zucchini | 40 | Feb 23 |
| 🌻 Sunflower | 54 | Mar 9 |
| 🌽 Sweet Corn | 55 | Mar 10 |
| 🥒 Cucumber | 58 | Mar 13 |
| 🥕 Carrot | 42 | Feb 25 |
| 🥬 Bok Choy | 21 | Feb 4 |
| 🥬 Swiss chard | 31 | Feb 14 |
Best crops to sow now
- 🧅 Onion Ideal about 50 days to harvest Recent mean 26.3°C — right in the sweet spot
- 🌱 Microgreens Ideal about 5 days to harvest 🪴 Windowsill pot — sheltered from outdoor weather
- 🏵️ Marigold Ideal about 32 days to harvest Recent mean 26.3°C — right in the sweet spot
- 🌿 Amaranth greens Ideal about 34 days to harvest Recent mean 26.3°C — right in the sweet spot
- 🥢 Green Beans Ideal about 37 days to harvest Recent mean 26.3°C — right in the sweet spot
- 🥒 Zucchini Ideal about 40 days to harvest Recent mean 26.3°C — right in the sweet spot
- 🌻 Sunflower Ideal about 55 days to harvest Recent mean 26.3°C — right in the sweet spot
- 🌽 Sweet Corn Ideal about 56 days to harvest Recent mean 26.3°C — right in the sweet spot
- 🥒 Cucumber Ideal about 60 days to harvest Recent mean 26.3°C — right in the sweet spot
- 🥕 Carrot Good about 43 days to harvest Recent mean 26.3°C — right in the sweet spot
- 🥬 Bok Choy Good about 22 days to harvest Recent mean 26.3°C is too hot (ideal 10–26°C)
- 🥬 Swiss chard Good about 31 days to harvest Recent mean 26.3°C is too hot (ideal 7–26°C)
Leave these for another month
- 🌿 Dill — Recent mean 26.3°C is too hot (ideal 9–26°C)
- 🌿 Parsley — Recent mean 26.3°C is too hot (ideal 7–25°C)
- 🌿 Coriander — Recent mean 26.3°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.