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December Weather in Joyabaj, Guatemala

Last updated: August 23, 2025

In Joyabaj, Guatemala, the average temperature in December is a pleasant 17°C (64°F). However, temperatures can vary widely, with a minimum of 5°C (42°F) and a maximum reaching 30°C (85°F). Expect some light rain, with an average precipitation amount of 14 mm (0.6 in) over approximately 3 days. Humidity levels are typically around 76%, contributing to the region's unique charm.

December Temperature in Joyabaj

In December in Joyabaj, the average temperature is 17°C (64°F), with maximums reaching 30°C (85°F) and minimums dropping as low as 5°C (42°F). This variety in temperatures makes Joyabaj an ideal destination for travelers seeking both mild days and cooler evenings.

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

The chart illustrates December temperature patterns in Joyabaj, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Joyabaj, December typically has an average temperature of 17°C (64°F), with highs reaching up to 30°C (85°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec636567707068686868676563
Data source: Temperature data for Joyabaj 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 Joyabaj

In Joyabaj in December, the precipitation amount is 14 mm (0.6 in) accumulated over the course of 3 days.

December Precipitation Trends in Joyabaj

The chart displays monthly precipitation patterns in Joyabaj, 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 Joyabaj, December typically receives around 14 mm (0.6 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec1599341352051191711861905914
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Joyabaj

In Joyabaj in December, humidity is 76%. With an average temperature of 17°C (64°F), this humidity feels like a warm, sticky embrace that can make outdoor activities feel sluggish and draining, challenging travelers to stay hydrated and seek respite in shaded areas or air-conditioned spaces.

December Average Humidity in Joyabaj

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

In Joyabaj 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 Joyabaj.

Maximum UV Index Levels in Joyabaj for December

The chart shows the monthly maximum UV Index (UVI) for Joyabaj 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 Joyabaj typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111315151414151414131110
Data source: Joyabaj 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 Joyabaj Compares to Other Months

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

This table compares monthly weather conditions in Joyabaj, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (63°F)15 mm (0.6 inches)76%extreme
February Weather18°C (66°F)9 mm (0.3 inches)68%extreme
March Weather19°C (67°F)9 mm (0.3 inches)59%extreme
April Weather21°C (70°F)34 mm (1.3 inches)57%extreme
May Weather21°C (70°F)135 mm (5.3 inches)65%extreme
June Weather20°C (69°F)205 mm (8.1 inches)66%extreme
July Weather20°C (68°F)119 mm (4.7 inches)75%extreme
August Weather20°C (68°F)171 mm (6.7 inches)82%extreme
September Weather20°C (68°F)186 mm (7.3 inches)82%extreme
October Weather19°C (67°F)190 mm (7.5 inches)83%extreme
November Weather18°C (65°F)59 mm (2.3 inches)80%extreme
December Weather17°C (64°F)14 mm (0.6 inches)76%very high

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