Last updated: August 28, 2025
December in Arusha, Tanzania brings a blend of warm temperatures and frequent rainfall, making it a vibrant time of year. Daily highs reach a pleasant 29°C (84°F), while the average temperature hovers around 20°C (67°F), offering comfortable conditions for outdoor exploration. Nights can get cooler, dipping to a minimum of 12°C (54°F). Rainfall is a notable feature this month, with 112 mm (4.4 in) of precipitation spread over 20 days, contributing to the lush greenery of the region. Coupled with an 84% humidity level, this weather creates a tropical atmosphere, ideal for immersing oneself in the stunning landscapes and diverse wildlife that Arusha has to offer.
In December, Arusha, Tanzania, enjoys a delightful climate as the year draws to a close. With minimum temperatures hovering around 12°C (54°F), the evenings remain pleasantly cool. The daytime warms up to an average of 20°C (67°F), striking a perfect balance for outdoor activities and exploration. As the sun climbs, temperatures reach a comfortable max of 29°C (84°F), inviting both locals and travelers to bask in its warmth. This month reflects a transition into a warmer season, yet it remains remarkably mild compared to the sweltering heat found in other regions, making it an ideal time to experience the vibrant landscapes and rich culture that Arusha has to offer.
In December, Arusha, Tanzania experiences a notable increase in precipitation, mirroring November's totals with 112 mm (4.4 in) of rainfall over 20 days of showers. This uptick marks a continuation of the region's wet season, which peaks from March to April, showcasing a clear trend of increased moisture in the latter part of the year. Following December, rainfall typically diminishes sharply, with just 11 mm (0.4 in) recorded in June, highlighting a significant seasonal shift. The consistent rains in December not only contribute to the lush greenery that Arusha is known for but also play a crucial role in the agricultural cycles that sustain the region.
In December, Arusha, Tanzania experiences a notable increase in humidity, peaking at a challenging 84%. This trend follows a gradual rise from the year’s cooler months, where humidity hovered around 55% in March and modestly climbed to 83% in November. The wet season begins to take hold as December approaches, contributing to the bustling energy of the region. In contrast to the relatively drier months earlier in the year, the heightened humidity signals a time of lush greenery and vibrant landscapes, inviting visitors to enjoy the beauty of Tanzania’s rainy season despite the moisture-laden air.
In December, Arusha, Tanzania, maintains its reputation for intense sun exposure, with a UV Index of 14, placing it firmly within the extreme category. This trend of high UV levels has been consistent throughout the year, particularly from January to April, where values hit a peak of 16. Even in the cooler months of June and July, the UV Index remains significant at 12. As December approaches, though slightly lower than earlier months, the burn time remains a brisk 10 minutes, underscoring the importance of sun protection during this time. For comprehensive insights on sun safety in Arusha, visit Arusha UV Index.
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In December, Arusha, Tanzania, basks in a remarkable 346 hours of sunshine, continuing the trend of abundant sunlight as the year draws to a close. The sunniest months are consistently found from March to August, where the city experiences peaks of 336 hours or more. As we move through the latter part of the year, sunshine remains abundant, with November closely trailing December with 339 hours. This pattern indicates that travelers can look forward to a pleasantly bright and cheerful atmosphere during the festive season, making it an ideal time to explore the stunning landscapes and vibrant culture of the region. The slight dip in sunlight hours from October's peak of 350 hours showcases the transition into the rainy season, yet December still offers impressive daylight, promising delightful adventures under the Tanzanian sun.
In December, Arusha, Tanzania, experiences a 32% chance of sunny weather, reflecting a drop from the more promising figures of the preceding months. Notably, November and October boast higher probabilities of sunshine at 47%, making them some of the sunniest months. Following this peak, December aligns more closely with the mid-year months such as June and July, where cloudy skies are more common. As the year winds down, the overall trend suggests a gradual decrease in sunny days, hinting that visitors might encounter a mix of sunshine and rain as the festive season approaches.
In Arusha, Tanzania, December marks the continuation of a remarkable trend in daylight duration experienced throughout the year. With a consistent 12 hours of daylight, this tropical city experiences a harmonious blend of light and dark that characterizes the first half of the year, from January to April, while May through August see a slight dip to 11 hours. As the year progresses into September and October, the daylight duration returns to 12 hours, highlighting a striking stability in the daylight cycle. This predictable pattern allows residents and visitors alike to enjoy ample time to explore the stunning landscapes and vibrant culture that Arusha has to offer, making it a delightful destination any month of the year.
As December arrives in Arusha, Tanzania, the winds begin to whisper gently, with an average speed of 1.4 m/s (about 3 mph). This slight decrease from the brisker breezes experienced in the preceding months marks a transition into a calmer period. Notably, the wind has gradually picked up since April, reaching its peak in July at 2.5 m/s (6 mph), but by December, it settles back into a serene lull reminiscent of the earlier months of the year. This trend highlights the unique climate of Arusha, where the winds dance through the landscape, offering a refreshing conclusion to the year, inviting both locals and visitors to appreciate the beauty of this tranquil season.
Weather in Arusha varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Arusha, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January in Arusha showcase similar warm temperatures, with January experiencing slightly cooler conditions. In December, the temperature ranges from a minimum of 12°C (54°F) to a maximum of 29°C (84°F), accompanied by significant rainfall of 112 mm (4.4 in) spread over 20 days, resulting in higher humidity at 84%. In contrast, January offers a similar average temperature of 20°C (68°F) but sees a slight decrease in precipitation to 91 mm (3.6 in) over just 11 days, leading to a more comfortable humidity level of 68%. For a deeper look at what to expect, you can explore more about Arusha weather in January.
December and February both feature a mild average temperature of around 20°C (68°F), but there are notable differences in their weather patterns. In December, temperatures range from a minimum of 12°C (54°F) to a maximum of 29°C (84°F), accompanied by higher humidity at 84% and significant rainfall totaling 112 mm (4.4 in) over 20 days. In contrast, February experiences slightly warmer maximum temperatures of 30°C (86°F) with a lower humidity of 62% and much less precipitation, totaling just 75 mm (2.9 in) over only 9 days. Therefore, February offers a drier and warmer experience compared to the wetter and more humid conditions of December. For more details, check out Arusha weather in February.
When comparing the weather in December and March, we observe notable differences in temperature and precipitation. In December, temperatures range from a minimum of 12°C (54°F) to a maximum of 29°C (84°F), with an average of 20°C (67°F) and higher humidity at 84%. This month experiences considerable rainfall, amounting to 112 mm (4.4 in) over approximately 20 days. Conversely, March features slightly warmer temperatures, with a minimum of 12°C (53°F), an average of 21°C (70°F), and a maximum of 31°C (87°F). However, March sees significantly more rainfall, totaling 201 mm (7.9 in) across 16 days, while humidity drops to 55%. For more detailed insights on the climate during this time, you can check Arusha weather in March.
December and April each exhibit distinct weather patterns, particularly in temperature and precipitation. In December, temperatures range from a minimum of 12°C (54°F) to a maximum of 29°C (84°F), with an average of 20°C (67°F). The month sees significant rainfall, totaling 112 mm (4.4 in) over 20 days, accompanied by high humidity levels at 84%. Conversely, April features slightly warmer temperatures, with a minimum of 14°C (57°F) and a maximum of 28°C (83°F), while maintaining a similar average of 20°C (68°F). However, April experiences increased precipitation, measuring 174 mm (6.9 in) across 26 days, but with more comfortable humidity levels at 58%. This difference highlights how each month exhibits a unique blend of warmth and moisture, impacting the overall climate experience. For more detailed information, check out Arusha weather in April.
In December, the weather is generally warmer with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 29°C (84°F), while May's temperatures are a bit cooler, with a range from 10°C (50°F) to 26°C (78°F). December also experiences higher humidity at 84%, compared to May's 71%, making the air feel noticeably warmer. Additionally, December receives more rainfall, with 112 mm (4.4 in) spread over 20 days, whereas May has less precipitation at 68 mm (2.7 in) over 15 days. For more details about the weather conditions in May, you can visit Arusha weather in May.
In comparing December and June weather, December tends to be much warmer and more humid, with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 29°C (84°F) and high humidity at 84%. The month sees considerable precipitation, averaging 112 mm (4.4 in) over about 20 days, contributing to a lush environment. In contrast, June has cooler temperatures, with a minimum of 8°C (47°F) and a maximum of 24°C (76°F), and significantly lower humidity at 73%. Additionally, June experiences much less rainfall, totaling just 11 mm (0.4 in) over about 3 days, making it a drier month overall. For more detailed insights, check out Arusha weather in June.
In December, the weather is notably warmer and more humid, with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 29°C (84°F). This month also experiences significant rainfall, accumulating around 112 mm (4.4 in) over approximately 20 days, resulting in a humidity level of 84%. In contrast, July brings cooler temperatures, with averages from a minimum of 8°C (46°F) to a maximum of 24°C (76°F). Precipitation is minimal during this month, with only 10 mm (0.4 in) of rain over two days and a lower humidity level of 68%. For more detailed information, you can check Arusha weather in July.
December and August present contrasting weather conditions. In December, temperatures range from a minimum of 12°C (54°F) to a maximum of 29°C (84°F), with an average temperature of 20°C (67°F). This month experiences significant precipitation, with 112 mm (4.4 in) falling over 20 days, leading to high humidity levels of 84%. In contrast, August is much cooler, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 27°C (81°F) and an average of 17°C (62°F). Notably, it is significantly drier, receiving only 11 mm (0.4 in) of rain in just 2 days, resulting in lower humidity levels of 63%. For more detailed insights, check out Arusha weather in August.
When comparing the weather in December and September, notable differences emerge in temperature, precipitation, and humidity. December tends to be warmer, with an average temperature of 20°C (67°F), peaking at a maximum of 29°C (84°F), while September's average is slightly cooler at 18°C (65°F), with a maximum of 27°C (82°F). Precipitation is significantly higher in December, with 112 mm (4.4 in) spread over 20 days compared to just 8 mm (0.3 in) on a single day in September. Additionally, December's humidity is notably elevated at 84%, compared to 60% in September. For more detailed insights into September’s weather, you can refer to Arusha weather in September.
December weather tends to be warmer and more humid than October, with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 29°C (84°F), compared to October's temperatures of 10°C (50°F) to 29°C (84°F). December experiences significantly more precipitation, with 112 mm (4.4 in) spread over 20 days, while October sees just 51 mm (2.0 in) over 12 days. This increase in rainfall contributes to December's higher humidity level of 84%, in contrast to October's 68%. For those looking for specifics on October weather conditions, more details can be found at Arusha weather in October.
In comparing the weather of December and November, both months exhibit similar temperature ranges, with December's average temperature at 20°C (67°F) and November's at 20°C (68°F). However, December features slightly cooler maximum temperatures, peaking at 29°C (84°F) compared to November's 30°C (86°F). Precipitation levels remain consistent at 112 mm (4.4 in) for both months, yet December experiences a slight increase in rainy days, totaling 20 compared to 18 in November. Humidity is marginally higher in December at 84%, compared to November's 83%. For more specific information about November's weather, you can visit Arusha weather in November.
December in Arusha introduces a notable shift in weather patterns as the region transitions into its wet season. The temperatures remain pleasantly warm, with averages hovering around 20°C, but the humidity peaks at 84%, creating a tropical atmosphere. Unlike the drier months, December sees an increase in precipitation, with rain occurring on about 20 days of the month, accumulating to around 112 mm. This wetter climate not only enhances the region's lush landscape but also attracts diverse wildlife, making it a unique time for nature enthusiasts to experience Arusha's beauty. For a detailed overview of what to expect throughout the year, check out Arusha Climate.