January Weather in Sidoarjo, Indonesia

Last updated: August 23, 2025

In January, the average temperature in Sidoarjo, Indonesia hovers around 27°C (81°F), with a minimum of 23°C (73°F) and a maximum reaching up to 35°C (95°F). Be prepared for frequent rain, as the region experiences 293 mm (11.5 in) of precipitation over 25 days. Humidity levels are also high, averaging 81%, making it a tropical experience!

January Temperature in Sidoarjo

In January in Sidoarjo, the average temperature is 27°C (81°F), with a maximum that can reach 35°C (95°F) and a minimum that can drop to 23°C (73°F). This pleasant weather makes it an ideal time for outdoor activities and sightseeing.

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

The chart illustrates January temperature patterns in Sidoarjo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sidoarjo, January typically has an average temperature of 27°C (81°F), with highs reaching up to 35°C (95°F) and lows dropping to around 23°C (73°F).

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

January Precipitation in Sidoarjo

In Sidoarjo in January, the total precipitation amount reaches 293 mm (11.5 in) over the course of 25 days.

January Precipitation Trends in Sidoarjo

The chart displays monthly precipitation patterns in Sidoarjo, 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 Sidoarjo, January typically receives around 293 mm (11.5 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 Sidoarjo

In Sidoarjo in January humidity is 81%. With an average temperature of 27°C (81°F), this humidity feels like a warm, heavy blanket enveloping you, making travel quite uncomfortable as it can quickly drain your energy and require frequent hydration breaks.

January Average Humidity in Sidoarjo

This chart illustrates the average monthly humidity levels in Sidoarjo, 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 Sidoarjo is approximately 81%, 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 Sidoarjo

In Sidoarjo 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 Sidoarjo, you can check here.

Maximum UV Index Levels in Sidoarjo for January

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

Data source: Sidoarjo 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 Sidoarjo Compares to Other Months

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

This table compares monthly weather conditions in Sidoarjo, 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)	293 mm (11.5 inches)	81%	extreme
February Weather	27°C (80°F)	315 mm (12.4 inches)	85%	extreme
March Weather	27°C (81°F)	312 mm (12.3 inches)	83%	extreme
April Weather	28°C (82°F)	132 mm (5.2 inches)	80%	extreme
May Weather	28°C (83°F)	39 mm (1.5 inches)	81%	extreme
June Weather	28°C (83°F)	22 mm (0.9 inches)	80%	very high
July Weather	27°C (82°F)	8 mm (0.3 inches)	78%	extreme
August Weather	28°C (82°F)	5 mm (0.2 inches)	74%	extreme
September Weather	28°C (83°F)	12 mm (0.5 inches)	72%	extreme
October Weather	29°C (85°F)	38 mm (1.5 inches)	72%	extreme
November Weather	29°C (84°F)	179 mm (7.0 inches)	73%	extreme
December Weather	28°C (82°F)	293 mm (11.5 inches)	75%	extreme