December Weather in Njombe, Tanzania

Last updated: August 28, 2025

In December, the average temperature in Njombe, Tanzania is a pleasant 19°C (66°F). Expect a minimum drop to 13°C (55°F) and a maximum rise to 30°C (85°F). With an average humidity of 91%, the atmosphere can feel quite moist. Be prepared for some rain, as 203 mm (8.0 in) of precipitation typically falls over 24 days this month. Enjoy your time in this vibrant locale!

December Temperature in Njombe

In December in Njombe, the average temperature is 19°C (66°F), with maximums reaching up to 30°C (85°F) and minimums dropping as low as 13°C (55°F). This pleasant climate makes Njombe an ideal destination for travelers seeking a comfortable escape during this month.

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

The chart illustrates December temperature patterns in Njombe, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Njombe, December typically has an average temperature of 19°C (66°F), with highs reaching up to 30°C (85°F) and lows dropping to around 13°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec656565646259586062656766
Data source: Temperature data for Njombe 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 Njombe

In Njombe in December, the total precipitation amount is 203 mm (8.0 in) spread over 24 days.

December Precipitation Trends in Njombe

The chart displays monthly precipitation patterns in Njombe, 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 Njombe, December typically receives around 203 mm (8.0 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec273237289982945652469203
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Njombe

In Njombe in December humidity is 91%. With an average temperature of 19°C (66°F), this humidity feels like a heavy blanket, making travel uncomfortable and muggy, causing sweat to accumulate and sticking to clothes, which can dampen the joy of exploring.

December Average Humidity in Njombe

This chart illustrates the average monthly humidity levels in Njombe, 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 Njombe is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%89%85%79%71%62%53%49%66%91%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Njombe

In Njombe 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 Njombe.

Maximum UV Index Levels in Njombe for December

The chart shows the monthly maximum UV Index (UVI) for Njombe 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 Njombe typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161717161311111314141416
Data source: Njombe 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 Njombe Compares to Other Months

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

This table compares monthly weather conditions in Njombe, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (65°F)273 mm (10.8 inches)89%extreme
February Weather18°C (65°F)237 mm (9.3 inches)88%extreme
March Weather18°C (65°F)289 mm (11.4 inches)87%extreme
April Weather18°C (64°F)98 mm (3.9 inches)89%extreme
May Weather17°C (62°F)29 mm (1.1 inches)84%extreme
June Weather15°C (59°F)4 mm (0.2 inches)78%extreme
July Weather14°C (58°F)5 mm (0.2 inches)71%extreme
August Weather16°C (60°F)6 mm (0.2 inches)62%extreme
September Weather17°C (63°F)5 mm (0.2 inches)53%extreme
October Weather18°C (66°F)24 mm (0.9 inches)49%extreme
November Weather19°C (67°F)69 mm (2.7 inches)66%extreme
December Weather19°C (66°F)203 mm (8.0 inches)91%extreme

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