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December Weather in Tecomatlan, Mexico

Last updated: August 27, 2025

In Tecomatlan, Mexico, the average temperature in December hovers around 21°C (69°F). While the mercury can dip to a chilly 4°C (40°F), it can also soar to a warm 34°C (93°F). With an average humidity of 70%, you'll find the air relatively moist. And don't worry about the rain – only 1 mm (0.0 in) of precipitation is expected across 0 days this month!

December Temperature in Tecomatlan

In December in Tecomatlan, the average temperature is 21°C (69°F). Maximum temperatures can reach 34°C (93°F), while the minimum can dip as low as 4°C (40°F). This makes Tecomatlan an ideal destination for travelers seeking a mix of warm days and cooler nights.

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

The chart illustrates December temperature patterns in Tecomatlan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tecomatlan, December typically has an average temperature of 21°C (69°F), with highs reaching up to 34°C (93°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec697276798076757574747269
Data source: Temperature data for Tecomatlan 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 Tecomatlan

In Tecomatlan in December, the precipitation amount is 1 mm (0.0 in) during a span of 0 days.

December Precipitation Trends in Tecomatlan

The chart displays monthly precipitation patterns in Tecomatlan, 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 Tecomatlan, December typically receives around 1 mm (0.0 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec325116218413717924680141
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Tecomatlan

In Tecomatlan in December, humidity is 70%. With an average temperature of 21°C (69°F), this humidity feels like a warm blanket that envelops you as you travel, making you feel sticky and a bit lethargic, yet it adds a certain tropical charm to your adventures.

December Average Humidity in Tecomatlan

This chart illustrates the average monthly humidity levels in Tecomatlan, 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 Tecomatlan is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%61%59%62%73%78%79%82%82%79%72%70%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Tecomatlan

In Tecomatlan in December, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Tecomatlan.

Maximum UV Index Levels in Tecomatlan for December

The chart shows the monthly maximum UV Index (UVI) for Tecomatlan 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 Tecomatlan typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121414141414131412108
Data source: Tecomatlan 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 Tecomatlan Compares to Other Months

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

This table compares monthly weather conditions in Tecomatlan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather20°C (69°F)3 mm (0.1 inches)65%very high
February Weather22°C (73°F)2 mm (0.1 inches)61%extreme
March Weather24°C (76°F)5 mm (0.2 inches)59%extreme
April Weather26°C (79°F)11 mm (0.4 inches)62%extreme
May Weather26°C (80°F)61 mm (2.4 inches)73%extreme
June Weather24°C (76°F)184 mm (7.2 inches)78%extreme
July Weather24°C (75°F)137 mm (5.4 inches)79%extreme
August Weather24°C (75°F)179 mm (7.1 inches)82%extreme
September Weather23°C (74°F)246 mm (9.7 inches)82%extreme
October Weather23°C (74°F)80 mm (3.2 inches)79%extreme
November Weather22°C (72°F)14 mm (0.6 inches)72%very high
December Weather21°C (69°F)1 mm (0.0 inches)70%very high

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