Medan Weather in December
During December, Medan experiences very high daytime temperatures of 31°C (88°F) and cooler nights around 23°C (73°F). December sits within the rainy season, so expect regular and often heavy rainfall.
Rainfall in Medan in December
As part of the rainy season, Medan sees around 15 days of rain in December, with an average of 334 mm (13 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.
Temperature in Medan in December
Medan in December gets highs of 31°C (88°F) during the day and drops to 23°C (73°F) at night. Mornings and evenings are often more comfortable than the peak afternoon hours. Nights are warm at 23°C (73°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Sunshine in Medan in December
The city usually sees around 98 hours of sunlight, indicating fewer sunny days.December in Medan can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Indonesia, check out our Medan's climate page.
Medan Temperature in December
Min Temperature
23°C (73°F)
Max Temperature
31°C (88°F)
Chance of Rain
50%
Precipitation
334 mm (13 in)
Rainy days
15 days
Sunshine
98 hours
Percentage Sunshine
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Medan typically stay consistent throughout December, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in December
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Medan in December
Browse day-by-day weather records for Medan spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Medan historical weather extremes in December
Based on 35 years of weather observations (1990-2025), these are the most extreme conditions recorded in Medan.
- The hottest December day on record in Medan reached 34°C (93°F) (December 15, 2009).
- On December 11, 2022, Medan saw its coldest December day with temperatures maxing out at 24°C (75°F).
- The coldest night in December in Medan was on December 2, 1994, with a minimum of 21°C (70°F).
- The wettest day in December Medan was on December 1, 2000 with 197 mm (7.8 in) of precipitation.
Best Places in Indonesia in December
Find out more about the weather in Indonesia and which places have the best travel conditions in this month. See all of Indonesia in December →
perfect weather
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What to Wear in Medan in December
Warm but pleasant conditions in Medan in December. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.What To Do in Medan in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Indonesia, check out our Medan's climate page.
See the full Medan climate overview or explore weather in Indonesia.
