December Weather in San Mateo Ixtatan, Guatemala

Last updated: August 23, 2025

In December, the average temperature in San Mateo Ixtatan, Guatemala hovers around 14°C (57°F). Expect a minimum of 4°C (39°F) and a maximum of 23°C (74°F) during this time. With 44 mm (1.7 in) of precipitation spread across 11 days, you might want to carry an umbrella! The air feels quite humid, with an average humidity of 76%, making for a refreshing yet slightly damp environment.

December Temperature in San Mateo Ixtatan

In December in San Mateo Ixtatan, the average temperature is 14°C (57°F). The maximum can reach 23°C (74°F) and the minimum can be as low as 4°C (39°F). It's a pleasant time for exploring the outdoors, so pack accordingly and enjoy your travels!

December Weather in San Mateo Ixtatan: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in San Mateo Ixtatan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Mateo Ixtatan, December typically has an average temperature of 14°C (57°F), with highs reaching up to 23°C (74°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec565859626362616161615857
Data source: Temperature data for San Mateo Ixtatan 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 Mateo Ixtatan

In San Mateo Ixtatan in December, the precipitation amount is 44 mm (1.7 in) during 11 days, indicating a relatively wet period for that time of year.

December Precipitation Trends in San Mateo Ixtatan

The chart displays monthly precipitation patterns in San Mateo Ixtatan, 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 Mateo Ixtatan, December typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec5235319525640117929533626312544
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Mateo Ixtatan

In San Mateo Ixtatan in December humidity is 76%. With an average temperature of 14°C (57°F), this humidity feels like a warm blanket wrapped around you, creating a heavy atmosphere that can make outdoor activities feel sluggish and stifling, urging travelers to seek shade and refreshment more frequently.

December Average Humidity in San Mateo Ixtatan

This chart illustrates the average monthly humidity levels in San Mateo Ixtatan, 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 Mateo Ixtatan is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%68%59%57%65%66%75%82%82%83%80%76%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Mateo Ixtatan

In San Mateo Ixtatan in December, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in San Mateo Ixtatan.

Maximum UV Index Levels in San Mateo Ixtatan for December

The chart shows the monthly maximum UV Index (UVI) for San Mateo Ixtatan 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 Mateo Ixtatan typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111315161515151515131110
Data source: San Mateo Ixtatan 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 Mateo Ixtatan Compares to Other Months

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

This table compares monthly weather conditions in San Mateo Ixtatan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather13°C (56°F)52 mm (2.1 inches)76%extreme
February Weather14°C (58°F)34 mm (1.4 inches)68%extreme
March Weather15°C (59°F)31 mm (1.2 inches)59%extreme
April Weather17°C (62°F)95 mm (3.7 inches)57%extreme
May Weather17°C (63°F)255 mm (10.1 inches)65%extreme
June Weather17°C (62°F)401 mm (15.8 inches)66%extreme
July Weather16°C (61°F)179 mm (7.0 inches)75%extreme
August Weather16°C (61°F)295 mm (11.6 inches)82%extreme
September Weather16°C (62°F)336 mm (13.2 inches)82%extreme
October Weather16°C (61°F)263 mm (10.4 inches)83%extreme
November Weather15°C (59°F)125 mm (4.9 inches)80%extreme
December Weather14°C (57°F)44 mm (1.7 inches)76%very high

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