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December Weather in Vallam, India

Last updated: August 23, 2025

In Vallam, India, the average temperature in December hovers around 26°C (79°F), with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 32°C (90°F). Expect a precipitation amount of 119 mm (4.7 in) spread over approximately 12 days, with an average humidity level of 83%. Prepare for a warm and humid month!

December Temperature in Vallam

In December in Vallam, the average temperature is 26°C (79°F). Maximums can reach 32°C (90°F) and minimums can be as low as 20°C (68°F). This pleasant climate makes Vallam an ideal destination for travelers seeking warm weather and outdoor activities.

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

The chart illustrates December temperature patterns in Vallam, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vallam, December typically has an average temperature of 26°C (79°F), with highs reaching up to 32°C (90°F) and lows dropping to around 20°C (68°F).
JanFebMarAprMayJunJulAugSepOctNovDec788084889090888786848179
Data source: Temperature data for Vallam 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 Vallam

In Vallam in December, the total precipitation amount is 119 mm (4.7 in), falling over a span of 12 days.

December Precipitation Trends in Vallam

The chart displays monthly precipitation patterns in Vallam, 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 Vallam, December typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec475161844617193133156232119
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Vallam

In Vallam in December, humidity is 83%. With an average temperature of 26°C (79°F), this humidity feels like a heavy blanket enveloping you, making travel an exercise in endurance as the air clings to your skin and saps your energy.

December Average Humidity in Vallam

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

In Vallam 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 Vallam.

Maximum UV Index Levels in Vallam for December

The chart shows the monthly maximum UV Index (UVI) for Vallam 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 Vallam typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121315121213131312119
Data source: Vallam 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 Vallam Compares to Other Months

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

This table compares monthly weather conditions in Vallam, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)46 mm (1.8 inches)72%very high
February Weather27°C (80°F)5 mm (0.2 inches)62%extreme
March Weather29°C (85°F)16 mm (0.6 inches)57%extreme
April Weather31°C (88°F)18 mm (0.7 inches)56%extreme
May Weather32°C (90°F)44 mm (1.7 inches)64%extreme
June Weather32°C (90°F)61 mm (2.4 inches)71%extreme
July Weather31°C (89°F)71 mm (2.8 inches)64%extreme
August Weather31°C (87°F)93 mm (3.7 inches)69%extreme
September Weather30°C (86°F)133 mm (5.2 inches)76%extreme
October Weather29°C (84°F)156 mm (6.1 inches)87%extreme
November Weather27°C (81°F)232 mm (9.1 inches)88%extreme
December Weather26°C (79°F)119 mm (4.7 inches)83%very high

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