December Weather in Guatajiagua, El Salvador

Last updated: August 23, 2025

In December, the average temperature in Guatajiagua, El Salvador is a pleasant 25°C (78°F), making it a great time to explore the area. Temperatures can range from a cool 17°C (62°F) to a warm 35°C (96°F). Expect minimal rainfall, with an average precipitation of just 6 mm (0.2 in) over 1 day. The average humidity sits at 66%, providing a comfortable atmosphere for your adventures.

December Temperature in Guatajiagua

In December in Guatajiagua, the average temperature is 25°C (78°F). Maximums can reach 35°C (96°F) and minimums can be as low as 17°C (62°F). This pleasant weather makes Guatajiagua an ideal destination for travelers looking to enjoy outdoor activities and explore the local sights.

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

The chart illustrates December temperature patterns in Guatajiagua, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Guatajiagua, December typically has an average temperature of 25°C (78°F), with highs reaching up to 35°C (96°F) and lows dropping to around 17°C (62°F).
JanFebMarAprMayJunJulAugSepOctNovDec798183838079807978777777
Data source: Temperature data for Guatajiagua 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 Guatajiagua

In Guatajiagua in December, the precipitation amount is 6 mm (0.2 in) over the course of 1 day.

December Precipitation Trends in Guatajiagua

The chart displays monthly precipitation patterns in Guatajiagua, 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 Guatajiagua, December typically receives around 6 mm (0.2 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec23458373347161350358376756
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Guatajiagua

In Guatajiagua in December, humidity is 66%. With an average temperature of 25°C (78°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities feel more draining, yet still enjoyable for short adventures.

December Average Humidity in Guatajiagua

This chart illustrates the average monthly humidity levels in Guatajiagua, 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 Guatajiagua is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec63%62%59%59%59%68%78%79%77%77%75%67%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Guatajiagua

In Guatajiagua in December, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Guatajiagua.

Maximum UV Index Levels in Guatajiagua for December

The chart shows the monthly maximum UV Index (UVI) for Guatajiagua 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 Guatajiagua typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11121414141413131313109
Data source: Guatajiagua 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 Guatajiagua Compares to Other Months

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

This table compares monthly weather conditions in Guatajiagua, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)2 mm (0.1 inches)63%extreme
February Weather27°C (81°F)3 mm (0.1 inches)62%extreme
March Weather28°C (83°F)4 mm (0.1 inches)59%extreme
April Weather28°C (83°F)58 mm (2.3 inches)59%extreme
May Weather27°C (80°F)373 mm (14.7 inches)59%extreme
June Weather26°C (79°F)347 mm (13.7 inches)68%extreme
July Weather27°C (80°F)161 mm (6.3 inches)77%extreme
August Weather26°C (79°F)350 mm (13.8 inches)79%extreme
September Weather26°C (78°F)358 mm (14.1 inches)77%extreme
October Weather25°C (77°F)376 mm (14.8 inches)77%extreme
November Weather25°C (78°F)75 mm (3.0 inches)75%very high
December Weather25°C (78°F)6 mm (0.2 inches)66%very high

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