January Weather in Demak, Indonesia

Last updated: August 23, 2025

In January, the average temperature in Demak, Indonesia reaches a warm 27°C (81°F). Expect a pleasant range, with minimums dipping to 23°C (73°F) and highs soaring to 34°C (94°F). However, be prepared for some wet days, as the region experiences an average precipitation of 332 mm (13.1 in) spread across 25 days. With humidity levels hovering around 82%, it's best to embrace the warmth but stay hydrated!

January Temperature in Demak

In January in Demak, the average temperature is 27°C (81°F). The maximum can reach 34°C (94°F) and the minimum can be as low as 23°C (73°F). This pleasant climate makes it an ideal time for travel, offering warm days perfect for exploring and enjoying outdoor activities.

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

The chart illustrates January temperature patterns in Demak, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Demak, January typically has an average temperature of 27°C (81°F), with highs reaching up to 34°C (94°F) and lows dropping to around 23°C (73°F).

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

January Precipitation in Demak

In Demak in January, the total precipitation amount reaches 332 mm (13.1 in) over a span of 25 days.

January Precipitation Trends in Demak

The chart displays monthly precipitation patterns in Demak, 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 Demak, January typically receives around 332 mm (13.1 inches) of precipitation spread over approximately 25 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 Demak

In Demak in January humidity is 82%. With an average temperature of 27°C (81°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel more exhausting, and leaving you longing for the relief of air-conditioned spaces during your travels.

January Average Humidity in Demak

This chart illustrates the average monthly humidity levels in Demak, 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 Demak is approximately 82%, 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 Demak

In Demak 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 Demak, you can check here.

Maximum UV Index Levels in Demak for January

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

Data source: Demak 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 Demak Compares to Other Months

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

This table compares monthly weather conditions in Demak, 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 (81°F)	332 mm (13.1 inches)	82%	extreme
February Weather	27°C (81°F)	349 mm (13.7 inches)	86%	extreme
March Weather	27°C (82°F)	307 mm (12.1 inches)	84%	extreme
April Weather	28°C (83°F)	192 mm (7.6 inches)	80%	extreme
May Weather	28°C (83°F)	75 mm (2.9 inches)	81%	extreme
June Weather	28°C (83°F)	71 mm (2.8 inches)	81%	very high
July Weather	28°C (83°F)	16 mm (0.6 inches)	78%	very high
August Weather	28°C (83°F)	10 mm (0.4 inches)	74%	extreme
September Weather	29°C (84°F)	37 mm (1.4 inches)	70%	extreme
October Weather	29°C (85°F)	100 mm (4.0 inches)	72%	extreme
November Weather	28°C (83°F)	254 mm (10.0 inches)	73%	extreme
December Weather	28°C (82°F)	312 mm (12.3 inches)	75%	extreme