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December Weather in Mumias, Kenya

Last updated: August 23, 2025

In December, the average temperature in Mumias, Kenya is a pleasant 22°C (72°F). Expect a range from a comfortable 15°C (60°F) to a warm 33°C (91°F). However, be prepared for some rain, as 142 mm (5.6 in) of precipitation typically falls over 20 days. Don't forget to account for the high humidity, averaging around 82%, which can make the air feel warmer!

December Temperature in Mumias

In December in Mumias, the average temperature is 22°C (72°F), with maximums reaching up to 33°C (91°F) and minimums dipping as low as 15°C (60°F). This makes it an ideal time for travelers looking to enjoy mild and pleasant weather.

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

The chart illustrates December temperature patterns in Mumias, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mumias, December typically has an average temperature of 22°C (72°F), with highs reaching up to 33°C (91°F) and lows dropping to around 15°C (60°F).
JanFebMarAprMayJunJulAugSepOctNovDec737473727170697071717272
Data source: Temperature data for Mumias 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 Mumias

In Mumias in December, the precipitation amount is 142 mm (5.6 in) spread over 20 days.

December Precipitation Trends in Mumias

The chart displays monthly precipitation patterns in Mumias, 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 Mumias, December typically receives around 142 mm (5.6 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec9192180263267147133156166219178142
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Mumias

In Mumias in December humidity is 82%. With an average temperature of 22°C (72°F), this humidity feels like walking through a warm, damp blanket, making travel feel more exhausting and sticky as sweat clings to your skin, and every step seems to draw you into a slow, sultry embrace.

December Average Humidity in Mumias

This chart illustrates the average monthly humidity levels in Mumias, 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 Mumias is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec59%52%46%56%83%83%83%84%86%89%90%82%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Mumias

In Mumias 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 Mumias.

Maximum UV Index Levels in Mumias for December

The chart shows the monthly maximum UV Index (UVI) for Mumias 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 Mumias typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141516151311111313131312
Data source: Mumias 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 Mumias Compares to Other Months

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

This table compares monthly weather conditions in Mumias, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (73°F)91 mm (3.6 inches)59%extreme
February Weather23°C (74°F)92 mm (3.6 inches)52%extreme
March Weather23°C (73°F)180 mm (7.1 inches)46%extreme
April Weather22°C (72°F)262 mm (10.3 inches)56%extreme
May Weather22°C (71°F)267 mm (10.5 inches)83%extreme
June Weather21°C (70°F)147 mm (5.8 inches)83%extreme
July Weather21°C (70°F)133 mm (5.2 inches)83%extreme
August Weather21°C (70°F)156 mm (6.1 inches)84%extreme
September Weather21°C (71°F)166 mm (6.5 inches)86%extreme
October Weather22°C (71°F)219 mm (8.6 inches)89%extreme
November Weather22°C (72°F)178 mm (7.0 inches)90%extreme
December Weather22°C (72°F)142 mm (5.6 inches)82%extreme

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