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December Weather in Sidoarjo, Indonesia

Last updated: August 23, 2025

In December, the average temperature in Sidoarjo, Indonesia reaches a warm 28°C (82°F). Daily highs can soar to 38°C (101°F), while the lows typically hover around 23°C (73°F). Be prepared for some rain, as 293 mm (11.5 in) of precipitation falls over 28 days, contributing to an average humidity level of 75%.

December Temperature in Sidoarjo

In December in Sidoarjo, the average temperature is 28°C (82°F), with maximums reaching 38°C (101°F) and minimums dropping to as low as 23°C (73°F). This warm climate makes Sidoarjo an ideal destination for travelers seeking summer adventures and outdoor activities.

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

The chart illustrates December 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, December typically has an average temperature of 28°C (82°F), with highs reaching up to 38°C (101°F) and lows dropping to around 23°C (73°F).
JanFebMarAprMayJunJulAugSepOctNovDec818081828382818283858482
Data source: Temperature data for Sidoarjo generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Sidoarjo

In Sidoarjo in December, the precipitation amount is 293 mm (11.5 in) over the course of 28 days.

December Precipitation Trends in Sidoarjo

The chart displays monthly precipitation patterns in Sidoarjo, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Sidoarjo, December typically receives around 293 mm (11.5 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec2933153121323922861239179293
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sidoarjo

In Sidoarjo in December humidity is 75%. With an average temperature of 28°C (82°F), this humidity feels like a warm, enveloping embrace that can quickly leave travelers feeling sticky and fatigued. It can make outdoor activities challenging, as sweat doesn’t evaporate easily, leading to a constant struggle between comfort and the desire to explore.

December Average Humidity in Sidoarjo

This chart illustrates the average monthly humidity levels in Sidoarjo, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Sidoarjo is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%85%83%80%81%80%78%74%72%72%73%75%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sidoarjo

In Sidoarjo in December, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Sidoarjo.

Maximum UV Index Levels in Sidoarjo for December

The chart shows the monthly maximum UV Index (UVI) for Sidoarjo in December, 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 December, the maximum UV index in Sidoarjo typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141515131310121314141413
Data source: Sidoarjo December 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 December 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 December’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 December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)293 mm (11.5 inches)81%extreme
February Weather27°C (80°F)315 mm (12.4 inches)85%extreme
March Weather27°C (81°F)312 mm (12.3 inches)83%extreme
April Weather28°C (82°F)132 mm (5.2 inches)80%extreme
May Weather28°C (83°F)39 mm (1.5 inches)81%extreme
June Weather28°C (83°F)22 mm (0.9 inches)80%very high
July Weather27°C (82°F)8 mm (0.3 inches)78%extreme
August Weather28°C (82°F)5 mm (0.2 inches)74%extreme
September Weather28°C (83°F)12 mm (0.5 inches)72%extreme
October Weather29°C (85°F)38 mm (1.5 inches)72%extreme
November Weather29°C (84°F)179 mm (7.0 inches)73%extreme
December Weather28°C (82°F)293 mm (11.5 inches)75%extreme

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