January Weather in Mersam, Indonesia

Last updated: August 23, 2025

In Mersam, Indonesia, the average temperature in January hovers around 27°C (80°F). Expect a comfortable minimum of 22°C (72°F), while highs can reach up to 33°C (92°F). However, be prepared for the elements, as precipitation amounts to 178 mm (7.0 in) over approximately 21 days, accompanied by an average humidity of 90%.

January Temperature in Mersam

In January in Mersam, the average temperature is 27°C (80°F). Maximums can reach 33°C (92°F), and minimums can be as low as 22°C (72°F). This pleasant climate makes Mersam an ideal destination for travelers seeking warm and comfortable weather.

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

The chart illustrates January temperature patterns in Mersam, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mersam, January typically has an average temperature of 27°C (80°F), with highs reaching up to 33°C (92°F) and lows dropping to around 22°C (72°F).

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

January Precipitation in Mersam

In Mersam in January, the precipitation amount is 178 mm (7.0 in) spread over a total of 21 days.

January Precipitation Trends in Mersam

The chart displays monthly precipitation patterns in Mersam, 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 Mersam, January typically receives around 178 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 Mersam

In Mersam in January humidity is 90%. With an average temperature of 27°C (80°F), this humidity feels like a warm embrace that can quickly become overwhelming for travelers. The sticky air clings to your skin, making even the simplest activities feel exhausting and requiring frequent breaks in the shade to stay comfortable.

January Average Humidity in Mersam

This chart illustrates the average monthly humidity levels in Mersam, 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 Mersam is approximately 90%, 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 Mersam

In Mersam in January, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Mersam, you can check here.

Maximum UV Index Levels in Mersam for January

The chart shows the monthly maximum UV Index (UVI) for Mersam 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 Mersam typically reaches 14, which falls under the extreme exposure category.

Data source: Mersam 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 Mersam Compares to Other Months

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

This table compares monthly weather conditions in Mersam, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (80°F)	178 mm (7.0 inches)	90%	extreme
February Weather	27°C (81°F)	164 mm (6.4 inches)	88%	extreme
March Weather	27°C (81°F)	282 mm (11.1 inches)	88%	extreme
April Weather	27°C (81°F)	271 mm (10.7 inches)	85%	extreme
May Weather	28°C (82°F)	241 mm (9.5 inches)	85%	extreme
June Weather	27°C (81°F)	165 mm (6.5 inches)	85%	extreme
July Weather	27°C (81°F)	131 mm (5.2 inches)	86%	extreme
August Weather	28°C (82°F)	136 mm (5.4 inches)	88%	extreme
September Weather	28°C (82°F)	173 mm (6.8 inches)	87%	extreme
October Weather	27°C (82°F)	254 mm (10.0 inches)	87%	extreme
November Weather	27°C (81°F)	284 mm (11.2 inches)	86%	extreme
December Weather	27°C (81°F)	219 mm (8.6 inches)	88%	extreme