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December Weather in Belen, Paraguay

Last updated: August 31, 2025

In Belen, Paraguay, the average temperature in December hovers around 28°C (82°F), with a range that can dip to a cool 16°C (62°F) and soar to a sweltering 39°C (102°F). Expect 182 mm (7.2 in) of precipitation spread over about 13 days, contributing to an overall average humidity of 84%. Whether you're exploring the vibrant streets or lounging at the beach, be ready for a mix of warmth and occasional showers!

December Temperature in Belen

In December in Belen, the average temperature is 28°C (82°F). Maximums can reach 39°C (102°F) and minimums can be as low as 16°C (62°F). This makes Belen an ideal destination for travelers seeking warm weather, but it's wise to pack both light clothing for the heat and layers for cooler evenings.

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

The chart illustrates December temperature patterns in Belen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Belen, December typically has an average temperature of 28°C (82°F), with highs reaching up to 39°C (102°F) and lows dropping to around 16°C (62°F).
JanFebMarAprMayJunJulAugSepOctNovDec838280767067667076798082
Data source: Temperature data for Belen 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 Belen

In Belen in December, the precipitation amount is 182 mm (7.2 in) over the course of 13 days.

December Precipitation Trends in Belen

The chart displays monthly precipitation patterns in Belen, 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 Belen, December typically receives around 182 mm (7.2 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec1431251659813565247057162151182
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Belen

In Belen in December humidity is 84%. With an average temperature of 28°C (82°F), this humidity feels like a warm, thick blanket wrapping around you, making outdoor activities feel sticky and exhausting for traveling.

December Average Humidity in Belen

This chart illustrates the average monthly humidity levels in Belen, 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 Belen is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%79%81%77%73%61%52%38%41%46%70%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Belen

In Belen in December, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Belen.

Maximum UV Index Levels in Belen for December

The chart shows the monthly maximum UV Index (UVI) for Belen 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 Belen typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15151311867910141415
Data source: Belen 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 Belen Compares to Other Months

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

This table compares monthly weather conditions in Belen, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather28°C (83°F)143 mm (5.6 inches)84%extreme
February Weather28°C (82°F)125 mm (4.9 inches)78%extreme
March Weather27°C (80°F)165 mm (6.5 inches)81%extreme
April Weather24°C (76°F)98 mm (3.9 inches)77%extreme
May Weather21°C (70°F)135 mm (5.3 inches)72%very high
June Weather20°C (68°F)65 mm (2.6 inches)61%high
July Weather19°C (67°F)24 mm (1.0 inches)52%high
August Weather21°C (70°F)70 mm (2.8 inches)38%very high
September Weather24°C (76°F)56 mm (2.2 inches)41%very high
October Weather26°C (79°F)162 mm (6.4 inches)46%extreme
November Weather27°C (80°F)151 mm (5.9 inches)70%extreme
December Weather28°C (82°F)182 mm (7.2 inches)84%extreme

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