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December Weather in Byumba, Rwanda

Last updated: August 31, 2025

In December, the average temperature in Byumba, Rwanda hovers around 18°C (65°F), with a comfortable range from a minimum of 12°C (54°F) to a maximum of 26°C (79°F). Expect significant precipitation, averaging 178 mm (7.0 in) over 21 days, and be prepared for high humidity levels at 89%.

December Temperature in Byumba

In December in Byumba, the average temperature is 18°C (65°F). Maximum temperatures can reach 26°C (79°F), while the minimum can drop as low as 12°C (54°F). This pleasant weather makes Byumba an ideal destination for outdoor activities and sightseeing.

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

The chart illustrates December temperature patterns in Byumba, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Byumba, December typically has an average temperature of 18°C (65°F), with highs reaching up to 26°C (79°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec666665656566666666656565
Data source: Temperature data for Byumba 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 Byumba

In Byumba in December, the precipitation amount is 178 mm (7.0 in) spread over a total of 21 days.

December Precipitation Trends in Byumba

The chart displays monthly precipitation patterns in Byumba, 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 Byumba, December typically receives around 178 mm (7.0 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec113146211241146281371116169168178
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Byumba

In Byumba in December, humidity is 89%. With an average temperature of 18°C (65°F), this humidity feels like wrapping yourself in a damp blanket while traveling, making it sticky and uncomfortable for outdoor activities.

December Average Humidity in Byumba

This chart illustrates the average monthly humidity levels in Byumba, 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 Byumba is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%80%75%80%88%83%79%79%82%89%93%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Byumba

In Byumba 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 Byumba.

Maximum UV Index Levels in Byumba for December

The chart shows the monthly maximum UV Index (UVI) for Byumba 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 Byumba typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151617161412121314141313
Data source: Byumba 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 Byumba Compares to Other Months

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

This table compares monthly weather conditions in Byumba, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather19°C (66°F)113 mm (4.5 inches)81%extreme
February Weather19°C (66°F)146 mm (5.7 inches)80%extreme
March Weather18°C (65°F)211 mm (8.3 inches)75%extreme
April Weather18°C (65°F)241 mm (9.5 inches)80%extreme
May Weather18°C (65°F)146 mm (5.7 inches)88%extreme
June Weather19°C (66°F)28 mm (1.1 inches)83%extreme
July Weather19°C (66°F)13 mm (0.5 inches)79%extreme
August Weather19°C (67°F)71 mm (2.8 inches)79%extreme
September Weather19°C (66°F)116 mm (4.6 inches)82%extreme
October Weather18°C (65°F)169 mm (6.7 inches)89%extreme
November Weather18°C (65°F)168 mm (6.6 inches)93%extreme
December Weather18°C (65°F)178 mm (7.0 inches)89%extreme

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