Medan weather in May
May in Medan: hot, soaked, with very humid — a gamble, with 27 rainy days.
#10 of 12 months in Medan · #871 of 897 destinations to visit in May · comfort 53/100 (tier D)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Medan in May
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Medan climate normals — May
| Daytime high | 30°C / 87°F | 🥵 hot |
|---|---|---|
| Nighttime low | 24°C / 74°F | |
| Rainfall | 330 mm / 13 in | ⛈ soaked |
| Rainy days | 27 days | |
| Humidity | 88% | 💦 very humid |
| Dew point | 24°C / 76°F | |
| Sunshine | 9.4 h/day | |
| Daylight | 12.3 h | |
| Wind | 8 km/h / 5 mph | |
| Air quality (US AQI) | 95 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Medan in May — FAQ
- Is May a good time to visit Medan?
- May in Medan: hot, soaked, with very humid — a gamble, with 27 rainy days. It ranks #10 of 12 months for Medan on SeasonMap's comfort score (53/100).
- What is the weather like in Medan in May?
- In May, Medan averages a daily high of 30.3°C and a low of 23.5°C, with about 329.6 mm of rain over roughly 27 rainy days.
- What is the air quality in Medan in May?
- Medan has a mean US Air Quality Index of about 95 in May.