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December Weather in Masasi, Tanzania

Last updated: August 28, 2025

In December, the average temperature in Masasi, Tanzania is a warm 28°C (82°F). Visitors can expect a minimum temperature of 21°C (71°F) and a maximum reaching up to 37°C (98°F). With an average humidity level of 82%, it feels quite sultry, especially during the 15 days of the month that see a total precipitation of 103 mm (4.1 in). Prepare for a tropical experience!

December Temperature in Masasi

In December in Masasi, the average temperature is 28°C (82°F), with maximums reaching up to 37°C (98°F) and minimums dropping to as low as 21°C (71°F). This makes it an ideal time for travelers seeking warm weather and outdoor activities.

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

The chart illustrates December temperature patterns in Masasi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Masasi, December typically has an average temperature of 28°C (82°F), with highs reaching up to 37°C (98°F) and lows dropping to around 21°C (71°F).
JanFebMarAprMayJunJulAugSepOctNovDec807978777775747678808282
Data source: Temperature data for Masasi 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 Masasi

In Masasi in December, the precipitation amount is 103 mm (4.1 in) during a span of 15 days.

December Precipitation Trends in Masasi

The chart displays monthly precipitation patterns in Masasi, 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 Masasi, December typically receives around 103 mm (4.1 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec1391241531041522141738103
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Masasi

In Masasi in December humidity is 82%. With an average temperature of 28°C (82°F), this humidity feels like walking through a warm, dense blanket, making outdoor activities a challenge and necessitating frequent breaks to stay hydrated.

December Average Humidity in Masasi

This chart illustrates the average monthly humidity levels in Masasi, 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 Masasi is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%85%85%81%75%67%61%59%57%64%82%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Masasi

In Masasi in December, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Masasi, you can check here.

Maximum UV Index Levels in Masasi for December

The chart shows the monthly maximum UV Index (UVI) for Masasi 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 Masasi typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151515141210101213141414
Data source: Masasi 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 Masasi Compares to Other Months

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

This table compares monthly weather conditions in Masasi, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (80°F)139 mm (5.5 inches)87%extreme
February Weather26°C (79°F)124 mm (4.9 inches)87%extreme
March Weather26°C (79°F)153 mm (6.0 inches)85%extreme
April Weather25°C (78°F)104 mm (4.1 inches)85%extreme
May Weather25°C (77°F)15 mm (0.6 inches)81%extreme
June Weather24°C (75°F)2 mm (0.1 inches)75%very high
July Weather23°C (74°F)2 mm (0.1 inches)67%very high
August Weather24°C (76°F)1 mm (0.1 inches)61%extreme
September Weather25°C (78°F)4 mm (0.2 inches)59%extreme
October Weather27°C (80°F)17 mm (0.7 inches)57%extreme
November Weather28°C (82°F)37 mm (1.5 inches)64%extreme
December Weather28°C (82°F)103 mm (4.1 inches)82%extreme

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