January Weather in Medan, Indonesia

Last updated: August 23, 2025

In January, the average temperature in Medan, Indonesia reaches a warm 26°C (80°F). Expect a comfortable minimum of 21°C (71°F), while highs can soar to 33°C (92°F). You might want to pack an umbrella, as 177 mm (7.0 in) of precipitation is expected over 21 days. With an average humidity of 83%, stay cool and hydrated while enjoying the tropical atmosphere!

January Temperature in Medan

In January in Medan, the average temperature is 26°C (80°F). Maximums can reach 33°C (92°F) and minimums can be as low as 21°C (71°F). This climate makes Medan an ideal destination for travelers seeking warm and pleasant weather.

January Weather in Medan: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Medan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Medan, January typically has an average temperature of 26°C (80°F), with highs reaching up to 33°C (92°F) and lows dropping to around 21°C (71°F).

Data source: Temperature data for Medan generated using information from the Copernicus Climate Change Service.

January Precipitation in Medan

In Medan in January, the total precipitation amount is 177 mm (7.0 in) spread over 21 days.

January Precipitation Trends in Medan

The chart displays monthly precipitation patterns in Medan, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Medan, January typically receives around 177 mm (7.0 inches) of precipitation spread over approximately 21 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Medan

In Medan in January humidity is 83%. With an average temperature of 26°C (80°F), this humidity feels like a warm, enveloping blanket that can make traveling quite uncomfortable; you may find yourself needing frequent breaks for hydration and cool shade as the thick air clings to your skin.

January Average Humidity in Medan

This chart illustrates the average monthly humidity levels in Medan, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Medan is approximately 83%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Medan

In Medan in January, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Medan.

Maximum UV Index Levels in Medan for January

The chart shows the monthly maximum UV Index (UVI) for Medan in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Medan typically reaches 13, which falls under the extreme exposure category.

Data source: Medan January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How January Weather in Medan Compares to Other Months

Weather in Medan varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Medan, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Medan, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (80°F)	177 mm (7.0 inches)	83%	extreme
February Weather	27°C (81°F)	113 mm (4.4 inches)	74%	extreme
March Weather	27°C (81°F)	146 mm (5.8 inches)	74%	extreme
April Weather	27°C (82°F)	241 mm (9.5 inches)	77%	extreme
May Weather	27°C (82°F)	335 mm (13.2 inches)	82%	extreme
June Weather	27°C (81°F)	204 mm (8.0 inches)	85%	extreme
July Weather	27°C (81°F)	227 mm (9.0 inches)	84%	extreme
August Weather	27°C (81°F)	239 mm (9.4 inches)	87%	extreme
September Weather	27°C (80°F)	354 mm (14.0 inches)	89%	extreme
October Weather	27°C (80°F)	344 mm (13.5 inches)	89%	extreme
November Weather	26°C (80°F)	384 mm (15.1 inches)	88%	extreme
December Weather	26°C (80°F)	320 mm (12.6 inches)	88%	extreme