January Weather in Rainis, Indonesia

Last updated: August 23, 2025

In January, the average temperature in Rainis, Indonesia hovers around 27°C (81°F). Hold onto your sun hats, as temperatures can dip to a comfortable 24°C (75°F) and peak at a warm 32°C (89°F). Expect some rain, with approximately 260 mm (10.3 in) of precipitation spread over 23 days, and prepare for humidity levels at a sweltering 82%.

January Temperature in Rainis

In January in Rainis, the average temperature is 27°C (81°F), with maximums reaching up to 32°C (89°F) and minimums dropping to as low as 24°C (75°F). This pleasant climate makes it an ideal time to explore and enjoy outdoor activities in Rainis.

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

The chart illustrates January temperature patterns in Rainis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rainis, January typically has an average temperature of 27°C (81°F), with highs reaching up to 32°C (89°F) and lows dropping to around 24°C (75°F).

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

January Precipitation in Rainis

In Rainis in January, the precipitation amount is 260 mm (10.3 in) spread out over 23 days.

January Precipitation Trends in Rainis

The chart displays monthly precipitation patterns in Rainis, 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 Rainis, January typically receives around 260 mm (10.3 inches) of precipitation spread over approximately 23 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 Rainis

In Rainis 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 Rainis

This chart illustrates the average monthly humidity levels in Rainis, 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 Rainis 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 Rainis

In Rainis 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 Rainis, you can check here.

Maximum UV Index Levels in Rainis for January

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

Data source: Rainis 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 Rainis Compares to Other Months

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

This table compares monthly weather conditions in Rainis, 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)	260 mm (10.3 inches)	82%	extreme
February Weather	27°C (81°F)	136 mm (5.4 inches)	87%	extreme
March Weather	27°C (81°F)	211 mm (8.3 inches)	87%	extreme
April Weather	28°C (82°F)	179 mm (7.1 inches)	83%	extreme
May Weather	28°C (82°F)	303 mm (11.9 inches)	77%	extreme
June Weather	27°C (82°F)	339 mm (13.3 inches)	77%	extreme
July Weather	27°C (81°F)	290 mm (11.4 inches)	77%	extreme
August Weather	28°C (82°F)	186 mm (7.3 inches)	78%	extreme
September Weather	27°C (82°F)	243 mm (9.6 inches)	80%	extreme
October Weather	28°C (82°F)	197 mm (7.8 inches)	77%	extreme
November Weather	28°C (82°F)	221 mm (8.7 inches)	76%	extreme
December Weather	28°C (82°F)	237 mm (9.3 inches)	78%	extreme