December Weather in San Juan Tecomatlan, Mexico

Last updated: August 27, 2025

In San Juan Tecomatlan, Mexico, the average temperature in December is a pleasant 17°C (63°F), with a minimum of 8°C (46°F) and a maximum of 27°C (82°F). Expect a bit of moisture with an average precipitation of 5 mm (0.2 in) over just 1 day. With an average humidity of 74%, the air may feel a tad more humid, making it a cozy time to explore this beautiful destination!

December Temperature in San Juan Tecomatlan

In December in San Juan Tecomatlan, the average temperature is 17°C (63°F), with maximums that can reach 27°C (82°F) and minimums as low as 8°C (46°F). This mild climate makes it an ideal time for travelers looking to explore the area comfortably.

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

The chart illustrates December temperature patterns in San Juan Tecomatlan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Juan Tecomatlan, December typically has an average temperature of 17°C (63°F), with highs reaching up to 27°C (82°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec626569727472707069686562
Data source: Temperature data for San Juan 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 San Juan Tecomatlan

In San Juan Tecomatlan in December, the precipitation amount is 5 mm (0.2 in) over a duration of 1 day.

December Precipitation Trends in San Juan Tecomatlan

The chart displays monthly precipitation patterns in San Juan 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 San Juan Tecomatlan, December typically receives around 5 mm (0.2 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec914612713520420919971256
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Juan Tecomatlan

In San Juan Tecomatlan in December, humidity is 74%. With an average temperature of 17°C (63°F), this humidity feels like a gentle embrace, making outdoor exploration comfortable yet slightly enveloped in warmth, perfect for leisurely strolls but requiring ample hydration for prolonged activities.

December Average Humidity in San Juan Tecomatlan

This chart illustrates the average monthly humidity levels in San Juan 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 San Juan Tecomatlan is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec64%57%46%43%51%74%79%81%84%75%71%74%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Juan Tecomatlan

In San Juan 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 San Juan Tecomatlan.

Maximum UV Index Levels in San Juan Tecomatlan for December

The chart shows the monthly maximum UV Index (UVI) for San Juan 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 San Juan Tecomatlan typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911141414141313141298
Data source: San Juan 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 San Juan Tecomatlan Compares to Other Months

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

This table compares monthly weather conditions in San Juan Tecomatlan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (62°F)9 mm (0.4 inches)64%very high
February Weather18°C (65°F)14 mm (0.5 inches)57%extreme
March Weather21°C (70°F)6 mm (0.2 inches)46%extreme
April Weather22°C (72°F)1 mm (0.0 inches)42%extreme
May Weather23°C (74°F)27 mm (1.0 inches)51%extreme
June Weather22°C (72°F)135 mm (5.3 inches)74%extreme
July Weather21°C (70°F)204 mm (8.0 inches)79%extreme
August Weather21°C (70°F)209 mm (8.2 inches)81%extreme
September Weather21°C (69°F)199 mm (7.8 inches)84%extreme
October Weather20°C (69°F)71 mm (2.8 inches)75%extreme
November Weather19°C (66°F)25 mm (1.0 inches)71%very high
December Weather17°C (63°F)5 mm (0.2 inches)74%very high

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