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December Weather in Lethem, Guyana

Last updated: August 23, 2025

In December, the average temperature in Lethem, Guyana is a pleasant 28°C (82°F). You can expect minimums of 22°C (71°F) and maximums reaching up to 37°C (98°F). With 36 mm (1.4 in) of precipitation spread over 8 days, the atmosphere remains beautifully balanced, complemented by an average humidity of 59%.

December Temperature in Lethem

In December in Lethem, the average temperature is 28°C (82°F). Maximum can reach 37°C (98°F) and minimum can be as low as 22°C (71°F). This pleasant climate makes Lethem an ideal destination for travelers seeking warm and enjoyable weather.

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

The chart illustrates December temperature patterns in Lethem, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lethem, December typically has an average temperature of 28°C (82°F), with highs reaching up to 37°C (98°F) and lows dropping to around 22°C (71°F).
JanFebMarAprMayJunJulAugSepOctNovDec828283838079788183858482
Data source: Temperature data for Lethem 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 Lethem

In Lethem in December, the precipitation amount is 36 mm (1.4 in) over a period of 8 days.

December Precipitation Trends in Lethem

The chart displays monthly precipitation patterns in Lethem, 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 Lethem, December typically receives around 36 mm (1.4 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec2528429927435332416588438236
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Lethem

In Lethem in December humidity is 59%. With an average temperature of 28°C (82°F), this humidity feels like a warm embrace, making travel somewhat sticky yet invigorating, as the moist air clings to your skin and enhances the experience of vibrant surroundings.

December Average Humidity in Lethem

This chart illustrates the average monthly humidity levels in Lethem, 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 Lethem is approximately 59%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec52%49%47%47%61%89%86%81%61%41%51%59%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Lethem

In Lethem in December, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Lethem.

Maximum UV Index Levels in Lethem for December

The chart shows the monthly maximum UV Index (UVI) for Lethem 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 Lethem typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec131516171513121313131313
Data source: Lethem 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 Lethem Compares to Other Months

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

This table compares monthly weather conditions in Lethem, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather28°C (82°F)25 mm (1.0 inches)52%extreme
February Weather28°C (82°F)28 mm (1.1 inches)49%extreme
March Weather28°C (83°F)42 mm (1.7 inches)46%extreme
April Weather28°C (83°F)99 mm (3.9 inches)47%extreme
May Weather26°C (80°F)274 mm (10.8 inches)60%extreme
June Weather26°C (79°F)353 mm (13.9 inches)89%extreme
July Weather26°C (79°F)324 mm (12.7 inches)86%extreme
August Weather27°C (81°F)165 mm (6.5 inches)81%extreme
September Weather28°C (83°F)88 mm (3.5 inches)61%extreme
October Weather30°C (86°F)43 mm (1.7 inches)41%extreme
November Weather29°C (85°F)82 mm (3.2 inches)51%extreme
December Weather28°C (82°F)36 mm (1.4 inches)59%extreme

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