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December Weather in Ariyalur, India

Last updated: August 23, 2025

In December, the average temperature in Ariyalur, India is a delightful 26°C (78°F). You'll experience a range from a comfortable 20°C (68°F) to a warm 32°C (90°F). Be prepared for some moisture, as the region receives 117 mm (4.6 in) of precipitation over approximately 10 days. With an average humidity of 83%, the air will feel pleasantly tropical, making it perfect for outdoor adventures!

December Temperature in Ariyalur

In December in Ariyalur, the average temperature is 26°C (78°F), with maximums reaching 32°C (90°F) and minimums dropping to as low as 20°C (68°F). This mild and pleasant climate makes it an ideal time for sightseeing and outdoor activities.

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

The chart illustrates December temperature patterns in Ariyalur, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ariyalur, December typically has an average temperature of 26°C (78°F), with highs reaching up to 32°C (90°F) and lows dropping to around 20°C (68°F).
JanFebMarAprMayJunJulAugSepOctNovDec788084899090878685838078
Data source: Temperature data for Ariyalur 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 Ariyalur

In Ariyalur in December, the total precipitation amount is 117 mm (4.6 in) recorded over a span of 10 days.

December Precipitation Trends in Ariyalur

The chart displays monthly precipitation patterns in Ariyalur, 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 Ariyalur, December typically receives around 117 mm (4.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec465131338679295132152204117
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Ariyalur

In Ariyalur in December, humidity is 83%. With an average temperature of 26°C (78°F), this humidity feels like a heavy blanket wrapping around you, making travel a sticky affair as sweat lingers on your skin and every step requires extra effort.

December Average Humidity in Ariyalur

This chart illustrates the average monthly humidity levels in Ariyalur, 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 Ariyalur is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%62%57%56%64%71%64%69%76%87%88%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ariyalur

In Ariyalur in December, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Ariyalur.

Maximum UV Index Levels in Ariyalur for December

The chart shows the monthly maximum UV Index (UVI) for Ariyalur 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 Ariyalur typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121315121213141312119
Data source: Ariyalur 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 Ariyalur Compares to Other Months

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

This table compares monthly weather conditions in Ariyalur, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)46 mm (1.8 inches)72%very high
February Weather26°C (80°F)5 mm (0.2 inches)62%extreme
March Weather29°C (85°F)13 mm (0.5 inches)57%extreme
April Weather32°C (89°F)13 mm (0.5 inches)56%extreme
May Weather32°C (90°F)38 mm (1.5 inches)64%extreme
June Weather32°C (90°F)66 mm (2.6 inches)71%extreme
July Weather31°C (88°F)92 mm (3.6 inches)64%extreme
August Weather30°C (86°F)95 mm (3.7 inches)69%extreme
September Weather30°C (85°F)131 mm (5.2 inches)76%extreme
October Weather29°C (84°F)152 mm (6.0 inches)87%extreme
November Weather27°C (80°F)204 mm (8.0 inches)88%extreme
December Weather26°C (78°F)117 mm (4.6 inches)83%very high

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