January Weather in Astambul, Indonesia

Last updated: August 23, 2025

In January, the average temperature in Astambul, Indonesia is a warm 27°C (80°F). The temperatures can range from a minimum of 23°C (73°F) to a sizzling maximum of 34°C (93°F). Be prepared for wet weather, as 246 mm (9.7 in) of precipitation typically falls over 23 days. With an average humidity of 87%, expect a tropical feel throughout the month!

January Temperature in Astambul

In January in Astambul, the average temperature is 27°C (80°F). Maximums can reach 34°C (93°F), while minimums can drop to as low as 23°C (73°F). This mild and warm weather makes Astambul an ideal destination for travelers seeking pleasant conditions.

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

The chart illustrates January temperature patterns in Astambul, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Astambul, January typically has an average temperature of 27°C (80°F), with highs reaching up to 34°C (93°F) and lows dropping to around 23°C (73°F).

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

January Precipitation in Astambul

In Astambul in January, the total precipitation amount is 246 mm (9.7 in), recorded over a span of 23 days.

January Precipitation Trends in Astambul

The chart displays monthly precipitation patterns in Astambul, 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 Astambul, January typically receives around 246 mm (9.7 inches) of precipitation spread over approximately 23 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Astambul

In Astambul in January humidity is 87%. With an average temperature of 27°C (80°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sticky and challenging for traveling.

January Average Humidity in Astambul

This chart illustrates the average monthly humidity levels in Astambul, 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 Astambul is approximately 87%, 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 Astambul

In Astambul 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 Astambul, you can check here.

Maximum UV Index Levels in Astambul for January

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

Data source: Astambul 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 Astambul Compares to Other Months

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

This table compares monthly weather conditions in Astambul, 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)	246 mm (9.7 inches)	87%	extreme
February Weather	27°C (81°F)	214 mm (8.4 inches)	87%	extreme
March Weather	27°C (81°F)	272 mm (10.7 inches)	88%	extreme
April Weather	27°C (82°F)	215 mm (8.5 inches)	87%	extreme
May Weather	28°C (82°F)	137 mm (5.4 inches)	85%	extreme
June Weather	27°C (81°F)	103 mm (4.0 inches)	87%	extreme
July Weather	27°C (80°F)	69 mm (2.7 inches)	87%	extreme
August Weather	27°C (81°F)	57 mm (2.2 inches)	86%	extreme
September Weather	27°C (82°F)	71 mm (2.8 inches)	79%	extreme
October Weather	28°C (83°F)	96 mm (3.8 inches)	78%	extreme
November Weather	28°C (82°F)	217 mm (8.5 inches)	81%	extreme
December Weather	27°C (81°F)	266 mm (10.5 inches)	85%	extreme