December Weather in Acatenango, Guatemala

Last updated: August 21, 2025

Experience the enchanting December weather of Acatenango, Guatemala, where the region's vibrant climate captivates visitors. With maximum temperatures reaching 29°C (84°F) and an average of 20°C (69°F), the days offer a pleasant warmth perfect for exploration. Nights bring a refreshing coolness, with temperatures dipping to a minimum of 12°C (55°F). Rainfall is moderate, totaling 28 mm (1.1 in) over approximately 8 days, contributing to the lush scenery of this stunning landscape. The humidity levels hover around 76%, creating a comfortable ambiance for enjoying outdoor adventures. December is a splendid time to experience the natural beauty and rich culture of Acatenango.

December Temperature in Acatenango

In December, Acatenango, Guatemala, offers a delightful range of temperatures, with lows dipping to a mild 12°C (55°F) and highs reaching a comfortable 29°C (84°F). This month marks the transition into the cooler season, as temperatures begin to reflect a slight drop compared to previous months. The average temperature stabilizes around 20°C (69°F), making it an ideal time for outdoor adventures or simply enjoying the scenic views of the region. As the year draws to a close, visitors can expect pleasant weather that’s neither too hot nor too cold, perfect for exploring the breathtaking landscapes that surround this vibrant locale.

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

The chart illustrates December temperature patterns in Acatenango, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Acatenango, December typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec687071717170717070706968
Data source: Temperature data for Acatenango 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 Acatenango

In December, Acatenango, Guatemala experiences a noticeable decrease in precipitation, with only 28 mm (1.1 in) recorded over a mere 8 days. This marks a shift from the intense rainfall observed in previous months, especially the peak wet season from May to October, when precipitation soared to impressive levels, even exceeding 400 mm in several months. As the year winds down, the landscape begins to dry up, offering clearer skies and cooler temperatures, creating an inviting environment for those looking to explore the region. This transition heralds a calmer end to the rainy season, setting the stage for the drier months ahead, where a marked reduction in both precipitation amounts and rainy days defines the climate.

December Precipitation Trends in Acatenango

The chart displays monthly precipitation patterns in Acatenango, 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 Acatenango, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec18223813037043623534540638412328
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Acatenango

December in Acatenango, Guatemala, brings a humidity level of 76%, marking a slight drop from the peak levels observed in October (83%) and November (80%). This month’s humidity reflects the transitional nature of the season, where the cooler weather begins to settle in yet still retains a degree of moisture reminiscent of the rainy months of late summer and early fall. With humidity levels steadily declining from their early peak in August and September (both at 82%), December offers a more comfortable atmosphere as locals and visitors alike prepare for the upcoming dry season. Overall, the trend showcases a gradual decrease in humidity as the year draws to a close, promoting a refreshing climate for those exploring the stunning landscapes of Acatenango.

December Average Humidity in Acatenango

This chart illustrates the average monthly humidity levels in Acatenango, 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 Acatenango is approximately {2}%, 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 Acatenango

In December, Acatenango, Guatemala experiences a UV Index of 9, categorized as very high, which translates to a burn time of approximately 15 minutes. This marks a slight decline from the extreme levels seen in previous months, where indices soared to 14 during the peak of the dry season. While December brings slightly reduced UV radiation, visitors are still encouraged to take precautions against sun exposure—especially as the year wraps up and outdoor activities abound. Understanding the sun's intensity is crucial for ensuring a safe and enjoyable experience, and more details can be found here: Acatenango UV Index. Overall, while the UV Index begins to taper off towards year-end, vigilance remains key in this radiant locale.

Maximum UV Index Levels in Acatenango for December

The chart shows the monthly maximum UV Index (UVI) for Acatenango 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 Acatenango typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11121414141413131312109
Data source: Acatenango 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.

December Sunshine in Acatenango

December in Acatenango, Guatemala, shines brightly with an impressive 316 hours of sunshine, continuing the region's trend of abundant light as the year comes to a close. This month showcases a delightful increase compared to the previous months, particularly following November's 300 hours. While January starts the year strong with 256 hours, sunshine steadily builds momentum, peaking in March at 322 hours. The spring months of April and May also maintain high levels, with 314 and 307 hours respectively. The overall trend reveals that Acatenango enjoys a consistent and generous supply of sunshine, making it a perfect escape for those seeking warmth and light throughout the festive season.

Monthly Sunshine Duration in Acatenango: December Highlighted

The December sunshine duration represents the total number of hours Acatenango experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec256h286h322h314h307h278h312h302h283h277h300h316h
Data source: Acatenango December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Acatenango During December

In December, visitors to Acatenango, Guatemala can expect a promising chance of sunny weather, with an impressive 73% likelihood of clear skies. This marks a notable increase compared to the preceding months, particularly when juxtaposed with November's 54%. As the year winds down, December stands out as one of the sunniest months, hinting at a transition from the preceding rainy season. The trend reveals that while Acatenango grapples with significant cloud cover from June to September, the tail end of the year brightens with more frequent sunny days, making it an inviting time for outdoor activities and exploration.

Percentage of Sunny Days in December in Acatenango

The chart illustrates the percentage of sunny days in Acatenango throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Acatenango experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec66%70%63%37%21%10%24%14%16%29%54%73%
Data source: Acatenango December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Acatenango in December

December in Acatenango, Guatemala, sees 11 hours of daylight, continuing the trend established in both January and February. Throughout the year, daylight duration shifts subtly, peaking at 12 hours from March to September, which supports the region's lush landscapes and outdoor activities. As autumn approaches in October, daylight begins to dwindle again, dropping back to 11 hours for the last few months of the year. This rhythmic cycle of light not only marks seasonal transitions but also enhances Acatenango's charm, inviting visitors to explore its stunning natural beauty amidst a vibrant sky.

Average Daylight Hours in Acatenango for December

The chart illustrates the variation in daylight duration in Acatenango throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 21m11h 39m12h 3m12h 27m12h 47m12h 57m12h 52m12h 34m12h 10m11h 46m11h 26m11h 16m
Data source: Acatenango daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Acatenango

As December arrives in Acatenango, Guatemala, the winds whisper at an average speed of 1.6 m/s (4 mph), consistent with the previous month's gentle breeze. This maintains a charming pattern seen throughout much of the year, where wind speeds typically hover between 1.0 and 1.6 m/s. Notably, December marks a transition toward slightly more stable conditions, contrasting with the more variable gusts of the rainy season earlier in the year. The overall trend reveals a gradual decrease in wind speed from the early months of the year, peaking at 1.6 m/s in the cooler months of November and December. This calming atmosphere invites both reflection and exploration, offering a serene experience as the year winds down in this picturesque landscape.

Average December Wind Speed in Acatenango

The chart displays monthly wind speed patterns in Acatenango, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.61.61.61.41.21.01.31.11.11.11.61.6 m/s
Data source: Acatenango December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Acatenango Compares to Other Months

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

December and January exhibit quite similar weather patterns, with both months boasting a minimum temperature of around 12°C (55°F) and an average of 20°C (69°F). January sees a slight increase in maximum temperature, reaching up to 29°C (85°F), while December remains steady at 29°C (84°F). Precipitation is more frequent in December, with about 28 mm (1.1 in) spread over 8 days, compared to January's lighter rainfall of 18 mm (0.7 in) over just 5 days. Humidity levels remain consistent in both months at 76%. For specific details about January weather in Acatenango, you can explore Acatenango weather in January.

In December, temperatures range from a minimum of 12°C (55°F) to a maximum of 29°C (84°F), with an average of 20°C (69°F). The month experiences relatively high humidity at 76% and receives about 28 mm (1.1 in) of precipitation over 8 days. In contrast, February exhibits slightly warmer weather, with average temperatures rising to 21°C (70°F) and a peak of 31°C (88°F). Precipitation decreases to 22 mm (0.8 in) across just 6 days, accompanied by lower humidity at 68%. For more details on February weather conditions, visit Acatenango weather in February.

In December, the weather is generally mild with average temperatures ranging from 12°C (55°F) at night to a maximum of 29°C (84°F) during the day, accompanied by a relatively high humidity of 76%. Precipitation is moderate, occurring on about 8 days of the month, totaling 28 mm (1.1 inches). In contrast, March sees slightly warmer conditions, with temperatures starting at a minimum of 13°C (55°F) and peaking at 31°C (88°F), while average humidity decreases to 59%. However, March has a bit more rainfall, accumulating 38 mm (1.5 inches) over 10 days. For more detailed information, you can check out Acatenango weather in March.

In comparing the weather between December and April, we can observe some notable differences. December typically features a milder climate, with average temperatures ranging from a minimum of 12°C (55°F) to a maximum of 29°C (84°F), along with a total precipitation of 28 mm (1.1 in) over about 8 days. The humidity is quite high at 76%, which can make the atmosphere feel warmer than it is. In contrast, April brings slightly warmer temperatures, with minimums around 14°C (57°F) and maximums reaching 31°C (88°F). However, it also experiences significantly higher precipitation levels, totaling 130 mm (5.1 in) over an average of 21 days, and the humidity drops to 57%, creating a much drier feel. For more detailed weather insights, you can check Acatenango weather in April.

In December, temperatures range from a mild 12°C (55°F) to a pleasant 29°C (84°F), with an average of 20°C (69°F). The month experiences relatively low precipitation, totaling 28 mm (1.1 in) over 8 days, and a humidity level of 76%. In contrast, May sees warmer minimum temperatures starting at 16°C (61°F) and an average of 22°C (71°F), reaching the same maximum of 29°C (84°F). However, May is much wetter, with a significant rainfall of 370 mm (14.6 in) spread over 30 days, while humidity drops to 65%. This noticeable difference in precipitation and temperature highlights the contrasting weather patterns between these two months. For more detailed insights, you can visit Acatenango weather in May.

In December, temperatures are warm, with a minimum of 12°C (55°F) and a maximum of 29°C (84°F), giving an average temperature of 20°C (69°F). The month is relatively dry, with only 28 mm (1.1 in) of precipitation over about 8 days and humidity levels around 76%. In contrast, June experiences slightly higher minimum temperatures at 16°C (61°F) and similar maximums of 29°C (85°F), but the average remains close at 21°C (70°F). However, June is considerably wetter, accumulating 436 mm (17.1 in) of rain over 29 days, accompanied by a lower humidity of 66%. For more detailed information on June weather, refer to Acatenango weather in June.

December and July present quite different weather experiences. In December, temperatures range from a mild 12°C (55°F) at night to a pleasant average of 20°C (69°F) during the day, peaking at 29°C (84°F). The month sees relatively low precipitation of 28 mm (1.1 in) over about 8 days, coupled with a humidity level of 76%. In contrast, July is noticeably warmer with minimum temperatures starting at 16°C (60°F) and averaging around 22°C (71°F), while also reaching a maximum of 29°C (84°F). However, July is much wetter, receiving 235 mm (9.3 in) of rainfall spread over 29 days, resulting in a humidity level slightly lower at 75%. For a more detailed look at July conditions, visit Acatenango weather in July.

In December, the weather is generally milder with temperatures ranging from a minimum of 12°C (55°F) to a maximum of 29°C (84°F) and an average of 20°C (69°F). The month sees moderate rainfall, with only 28 mm (1.1 in) over about 8 days, resulting in a humidity level of 76%. In contrast, August experiences slightly warmer temperatures with a minimum of 16°C (61°F), an average of 21°C (70°F), and the same maximum of 29°C (84°F). However, it's a much wetter month, receiving a staggering 345 mm (13.6 in) of precipitation spread over 30 days, which increases the humidity to 82%. For more insights on August weather patterns, visit Acatenango weather in August.

When comparing the weather in December and September, it's clear that both months have their unique characteristics. December typically sees milder temperatures, with averages ranging from a minimum of 12°C (55°F) to a maximum of 29°C (84°F), while September is slightly warmer, averaging between 15°C (60°F) and 28°C (83°F). However, September is significantly wetter, receiving 406 mm (16.0 in) of precipitation over 30 days, compared to December’s much lower 28 mm (1.1 in) over just 8 days. Additionally, humidity levels are slightly higher in September at 82%, compared to 76% in December. For a more detailed look at weather conditions, you can visit Acatenango weather in September.

When comparing the weather in December and October, December tends to be slightly warmer, with average temperatures ranging from a minimum of 12°C (55°F) to a maximum of 29°C (84°F). In contrast, October has a slightly higher minimum temperature of 15°C (59°F) and an average maximum of 28°C (82°F). However, October is much wetter, receiving an impressive 384 mm (15.1 in) of precipitation over 30 days, compared to December's relatively low 28 mm (1.1 in) over just 8 days. Additionally, the humidity levels are higher in October at 83%, compared to December's 76%. For more detailed insights, you can check Acatenango weather in October.

In December, the weather is generally warmer with a minimum temperature of 12°C (55°F) and an average of 20°C (69°F), while November features slightly cooler conditions with a minimum of 14°C (57°F) and an average of 21°C (69°F). Although the maximum temperatures in both months are similar, December tends to be drier, receiving only 28 mm (1.1 in) of precipitation over 8 days, compared to November's substantial 123 mm (4.9 in) across 22 days. Additionally, December's humidity averages 76%, slightly lower than November's 80%, making the weather feel a bit more comfortable as the month progresses. For detailed insights on November weather, you can check Acatenango weather in November.

Compare Acatenango's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Acatenango

As December rolls in, Acatenango experiences a delightful shift in weather compared to the hotter months. With temperatures averaging around 20°C (69°F), the coolness of the evenings is particularly refreshing, drawing a contrast to the previously sweltering days of summer. Occasional rainfall, totaling 28 mm over about 8 days, introduces a touch of greenery to the landscape and enhances the region's vibrant beauty. Furthermore, humidity levels peak at 76%, creating a unique blend of freshness and warmth that is characteristic of the season. If you're planning a visit, you can explore more about what to expect by checking out Acatenango Climate.