December Weather in Grootfontein, Namibia

Last updated: August 31, 2025

In Grootfontein, Namibia, the average temperature in December hovers around 25°C (78°F), providing a pleasant climate for outdoor activities. Be prepared for temperature fluctuations, as it can dip to a minimum of 15°C (59°F) and rise to a sizzling maximum of 37°C (98°F). Expect approximately 101 mm (4.0 in) of precipitation spread over 14 days, with an average humidity of 73%, contributing to the region’s lush, vibrant atmosphere.

December Temperature in Grootfontein

In December in Grootfontein, the average temperature is 25°C (78°F). The maximum can reach 37°C (98°F), and the minimum can be as low as 15°C (59°F). This weather makes Grootfontein an ideal destination for travelers seeking warm and pleasant conditions.

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

The chart illustrates December temperature patterns in Grootfontein, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grootfontein, December typically has an average temperature of 25°C (78°F), with highs reaching up to 37°C (98°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec757371696460596774787977
Data source: Temperature data for Grootfontein 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 Grootfontein

In Grootfontein in December, the precipitation amount is 101 mm (4.0 in) over the course of 14 days.

December Precipitation Trends in Grootfontein

The chart displays monthly precipitation patterns in Grootfontein, 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 Grootfontein, December typically receives around 101 mm (4.0 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec19020611651000012150101
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Grootfontein

In Grootfontein in December, humidity is 73%. With an average temperature of 25°C (78°F), this humidity feels like stepping into a warm, heavy blanket that wraps around you, making travel feel sluggish and requiring regular breaks to stay refreshed.

December Average Humidity in Grootfontein

This chart illustrates the average monthly humidity levels in Grootfontein, 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 Grootfontein is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%83%78%67%46%33%26%19%17%21%45%73%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Grootfontein

In Grootfontein in December, the maximum UV index is 16, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, making it crucial to take protective measures. For detailed information, you can refer to the Hourly UV Index in Grootfontein.

Maximum UV Index Levels in Grootfontein for December

The chart shows the monthly maximum UV Index (UVI) for Grootfontein 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 Grootfontein typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec171714139881013131516
Data source: Grootfontein 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 Grootfontein Compares to Other Months

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

This table compares monthly weather conditions in Grootfontein, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)190 mm (7.5 inches)83%extreme
February Weather23°C (73°F)206 mm (8.1 inches)83%extreme
March Weather22°C (72°F)116 mm (4.6 inches)78%extreme
April Weather20°C (69°F)50 mm (2.0 inches)67%extreme
May Weather18°C (65°F)0 mm (0.0 inches)46%very high
June Weather16°C (60°F)0 mm (0.0 inches)33%very high
July Weather15°C (59°F)0 mm (0.0 inches)26%very high
August Weather19°C (67°F)0 mm (0.0 inches)19%very high
September Weather24°C (75°F)1 mm (0.0 inches)17%extreme
October Weather26°C (78°F)21 mm (0.8 inches)21%extreme
November Weather26°C (79°F)50 mm (2.0 inches)45%extreme
December Weather25°C (78°F)101 mm (4.0 inches)73%extreme

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