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December Weather in Las Mercedes, Honduras

Last updated: August 23, 2025

In December, the average temperature in Las Mercedes, Honduras hovers around 19°C (66°F). Expect a comfortable range with minimum temperatures dipping to 10°C (51°F) and reaching a delightful 28°C (83°F) at their peak. With 16 mm (0.6 in) of rainfall distributed over 4 days, the month brings a refreshing touch to the air, complemented by an average humidity level of 74%.

December Temperature in Las Mercedes

In December in Las Mercedes, the average temperature is 19°C (66°F), with maximums reaching 28°C (83°F) and minimums dropping as low as 10°C (51°F). This pleasant climate makes Las Mercedes an ideal destination for outdoor activities and exploration during this time.

December Weather in Las Mercedes: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Las Mercedes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Las Mercedes, December typically has an average temperature of 19°C (66°F), with highs reaching up to 28°C (83°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec656870737271717171696765
Data source: Temperature data for Las Mercedes 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 Las Mercedes

In Las Mercedes in December, the precipitation amount is 16 mm (0.6 in) over a span of 4 days.

December Precipitation Trends in Las Mercedes

The chart displays monthly precipitation patterns in Las Mercedes, 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 Las Mercedes, December typically receives around 16 mm (0.6 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec1381354283301931952823018916
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Las Mercedes

In Las Mercedes in December humidity is 74%. With an average temperature of 19°C (66°F), this humidity feels like a warm, enveloping blanket, making it ideal for leisurely outdoor exploration but potentially heavy for those not accustomed to tropical conditions.

December Average Humidity in Las Mercedes

This chart illustrates the average monthly humidity levels in Las Mercedes, 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 Las Mercedes is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%72%61%53%51%52%58%63%71%79%79%74%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Las Mercedes

In Las Mercedes 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 Las Mercedes.

Maximum UV Index Levels in Las Mercedes for December

The chart shows the monthly maximum UV Index (UVI) for Las Mercedes 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 Las Mercedes typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111315151414141414131010
Data source: Las Mercedes 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 Las Mercedes Compares to Other Months

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

This table compares monthly weather conditions in Las Mercedes, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather19°C (66°F)13 mm (0.5 inches)80%extreme
February Weather20°C (68°F)8 mm (0.3 inches)72%extreme
March Weather21°C (70°F)13 mm (0.5 inches)61%extreme
April Weather23°C (73°F)54 mm (2.1 inches)53%extreme
May Weather22°C (72°F)283 mm (11.1 inches)51%extreme
June Weather21°C (71°F)301 mm (11.8 inches)52%extreme
July Weather22°C (71°F)93 mm (3.6 inches)58%extreme
August Weather21°C (71°F)194 mm (7.7 inches)63%extreme
September Weather21°C (71°F)281 mm (11.1 inches)71%extreme
October Weather21°C (69°F)301 mm (11.8 inches)79%extreme
November Weather19°C (67°F)88 mm (3.5 inches)79%very high
December Weather19°C (66°F)16 mm (0.6 inches)74%very high

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