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December Weather in New Amsterdam, Guyana

Last updated: August 23, 2025

In December, the average temperature in New Amsterdam, Guyana is a warm 26°C (79°F), with a minimum of 23°C (74°F) and a maximum reaching 30°C (86°F). Expect moderate rainfall, as the area receives about 316 mm (12.5 in) of precipitation over 29 days. The average humidity hovers around 77%, creating a typically humid atmosphere.

December Temperature in New Amsterdam

In December in New Amsterdam, the average temperature is 26°C (79°F). Maximums can reach 30°C (86°F), while minimums can dip as low as 23°C (74°F). This mild climate makes it an ideal destination for travelers seeking warm and comfortable conditions.

December Weather in New Amsterdam: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in New Amsterdam, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In New Amsterdam, December typically has an average temperature of 26°C (79°F), with highs reaching up to 30°C (86°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec787879797979798182828179
Data source: Temperature data for New Amsterdam 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 New Amsterdam

In New Amsterdam in December, the precipitation amount is 316 mm (12.5 in) over the course of 29 days.

December Precipitation Trends in New Amsterdam

The chart displays monthly precipitation patterns in New Amsterdam, 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 New Amsterdam, December typically receives around 316 mm (12.5 inches) of precipitation spread over approximately 29 days.
JanFebMarAprMayJunJulAugSepOctNovDec158124166220464449315173116117243316
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in New Amsterdam

In New Amsterdam in December humidity is 77%. With an average temperature of 26°C (79°F), this humidity feels like walking through a warm, thick fog that clings to your skin, making every step feel heavier and more exhausting while exploring the sights.

December Average Humidity in New Amsterdam

This chart illustrates the average monthly humidity levels in New Amsterdam, 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 New Amsterdam is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%71%71%70%70%85%85%81%76%76%79%77%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in New Amsterdam

In New Amsterdam in December, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in New Amsterdam.

Maximum UV Index Levels in New Amsterdam for December

The chart shows the monthly maximum UV Index (UVI) for New Amsterdam 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 New Amsterdam typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec131415161413121313131212
Data source: New Amsterdam 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 New Amsterdam Compares to Other Months

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

This table compares monthly weather conditions in New Amsterdam, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)158 mm (6.2 inches)74%extreme
February Weather26°C (79°F)124 mm (4.9 inches)71%extreme
March Weather26°C (79°F)166 mm (6.5 inches)71%extreme
April Weather26°C (80°F)220 mm (8.7 inches)70%extreme
May Weather26°C (79°F)464 mm (18.3 inches)70%extreme
June Weather26°C (79°F)449 mm (17.7 inches)85%extreme
July Weather26°C (80°F)315 mm (12.4 inches)85%extreme
August Weather27°C (81°F)173 mm (6.8 inches)81%extreme
September Weather28°C (82°F)116 mm (4.6 inches)76%extreme
October Weather28°C (82°F)117 mm (4.6 inches)75%extreme
November Weather27°C (81°F)243 mm (9.6 inches)79%extreme
December Weather26°C (79°F)316 mm (12.5 inches)77%extreme

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