Medan weather in January
January in Medan: warm, soaked, with very humid — fine if you can take 22 rainy days.
#2 of 12 months in Medan · #553 of 897 destinations to visit in January · comfort 66/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Medan in January
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Medan climate normals — January
| Daytime high | 29°C / 84°F | 🌤 warm |
|---|---|---|
| Nighttime low | 22°C / 72°F | |
| Rainfall | 188 mm / 7.4 in | ⛈ soaked |
| Rainy days | 22 days | |
| Humidity | 88% | 💦 very humid |
| Dew point | 23°C / 73°F | |
| Sunshine | 9.3 h/day | |
| Daylight | 11.9 h | |
| Wind | 8 km/h / 5 mph | |
| Air quality (US AQI) | 77 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Medan in January — FAQ
- Is January a good time to visit Medan?
- January in Medan: warm, soaked, with very humid — fine if you can take 22 rainy days. It ranks #2 of 12 months for Medan on SeasonMap's comfort score (66/100).
- What is the weather like in Medan in January?
- In January, Medan averages a daily high of 28.9°C and a low of 22.1°C, with about 187.9 mm of rain over roughly 21.8 rainy days.
- What is the air quality in Medan in January?
- Medan has a mean US Air Quality Index of about 77 in January.