December Weather in Nairobi, Kenya

Last updated: August 21, 2025

December in Nairobi, Kenya offers a delightful blend of warm temperatures and refreshing rains. With maximum highs averaging 28°C (83°F) and a comfortable average of 19°C (67°F), the city's climate is generally pleasant. Nights can be cool, dipping to a minimum of 11°C (52°F), ideal for cozy evenings. This month sees about 76 mm (3.0 in) of rainfall spread over 11 days, contributing to the lush greenery that defines Nairobi. The humidity hovers at 84%, enhancing the vibrancy of the city's flora while creating a refreshing atmosphere. Embrace the unique charm that December brings to this dynamic African metropolis!

December Temperature in Nairobi

In December, Nairobi experiences a mild climate, with temperatures ranging from a minimum of 11°C (52°F) to a pleasant maximum of 28°C (83°F). The average temperature hovers around 19°C (67°F), presenting a comfortable backdrop for both residents and visitors. As the year draws to a close, you’ll notice a subtle drop from the warmer months, with December typically being cooler than the preceding November, which has similar minimums but slightly higher maximums. This time of year also marks a transitional phase, as Nairobi shifts from the dry season to the onset of the short rains, adding a refreshing vibrancy. Overall, December's temperatures provide an ideal opportunity to explore the city's natural beauty and cultural richness.

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

The chart illustrates December temperature patterns in Nairobi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nairobi, December typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec686970696765646466686767
Data source: Temperature data for Nairobi 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 Nairobi

In December, Nairobi experiences a notable transition in rainfall patterns, receiving approximately 76 mm (3.0 in) of precipitation over 11 days. This marks a decline from the heavier downpours characteristic of the preceding months, particularly April and May, which see average rainfall levels exceeding 130 mm. As the year wraps up, December's rainfall represents a drier spell compared to both November's 92 mm and the mid-year peaks. However, the consistent frequency of rainy days hints at the tail end of the wet season, allowing for lush greenery to thrive without overwhelming saturation. This rhythmic ebb and flow of rain contributes to Nairobi's vibrant ecosystem, showcasing the region's climatic diversity.

December Precipitation Trends in Nairobi

The chart displays monthly precipitation patterns in Nairobi, 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 Nairobi, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec36338014613355212636699276
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Nairobi

In Nairobi, December marks a notable peak in humidity levels, reaching 84%, just shy of the year's highest recorded in November at 89%. This increase signifies a transition into the wet season, following a gradual rise from the drier months of early year, where February recorded a low of 53%. The months leading up to December show a steady pattern with humidity fluctuating but generally increasing, particularly in the late year. This culminates in the more humid conditions of early summer, especially after the rains in October that surge up to 76%. As Nairobians embrace the end-of-year festivities, the soul of the city is enveloped in a warm, damp embrace that is characteristic of the season.

December Average Humidity in Nairobi

This chart illustrates the average monthly humidity levels in Nairobi, 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 Nairobi is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec64%53%49%54%71%70%63%60%63%76%89%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Nairobi

In December, Nairobi maintains its position under an extreme UV Index of 13, consistent with the trend observed in the preceding months. Although the UV Index slightly dips from its peak at 16 in the earlier months, the potential for sunburn remains significant, with a recommended burn time of just 10 minutes. This month echoes the patterns established from January through November, where levels consistently hovered in the extreme category. As residents and visitors navigate the city, it’s crucial to take precautions against harmful UV exposure. For more details on daily UV levels and protection tips, explore the resources at Nairobi UV Index.

Maximum UV Index Levels in Nairobi for December

The chart shows the monthly maximum UV Index (UVI) for Nairobi 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 Nairobi typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151616161311111314141313
Data source: Nairobi 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.

December Sunshine in Nairobi

December in Nairobi, Kenya, ushers in the peak of sunshine, boasting 344 hours of brilliant sunlight—a fitting end to the year. This month not only stands out as the sunniest, but it also highlights an overall trend of increasing daylight hours as the year unfolds. From 289 hours in January to a remarkable 343 hours in October, sunlight gradually accumulates, reaching its zenith in December. Notably, the consistent rise in sunlight hours, especially from October to December, paints a picture of a vibrant, warm climax to the Kenyan year, where the sun's embrace brings life and energy to the bustling city.

Monthly Sunshine Duration in Nairobi: December Highlighted

The December sunshine duration represents the total number of hours Nairobi experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec289h313h340h314h336h316h319h330h330h343h330h344h
Data source: Nairobi December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Nairobi During December

In Nairobi, Kenya, December presents a moderate likelihood of sun, with a 28% chance of clear skies. As the year winds down, the probability of sunny weather dips slightly, reflecting a trend seen throughout the latter months, where November holds a more favorable 41% chance of sunshine. The pattern suggests that while December may bring its share of overcast days, it still offers potential for enjoyable sunshine amid the transition to the rainy season. Comparatively, this month's chances are more favorable than those in the cooler mid-year months of July and August, which record a mere 10% and 29%, respectively. Thus, while December isn't the sunniest spell in Nairobi, it's a time when sunshine can still make a delightful appearance.

Percentage of Sunny Days in December in Nairobi

The chart illustrates the percentage of sunny days in Nairobi throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Nairobi experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec46%32%43%26%18%27%11%29%25%34%41%28%
Data source: Nairobi December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Nairobi in December

In Nairobi, Kenya, the allure of consistent daylight is a hallmark of each month, with the city basking in an unwavering 12 hours of daylight throughout the entire year, including December. This remarkable consistency fosters a vibrant lifestyle, where the rhythm of daily activities is rarely disrupted by seasonal changes in sunlight. Whether it's the lush green parks, lively markets, or stunning sunsets, Nairobi's unique daylight duration allows residents and visitors alike to enjoy the warm embrace of the sun, making every day feel bright and full of potential. This uniformity not only enhances outdoor experiences but also creates a sense of predictability in daily life, allowing people to embrace the beauty of each day with equal enthusiasm, regardless of the month.

Average Daylight Hours in Nairobi for December

The chart illustrates the variation in daylight duration in Nairobi throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 9m12h 8m12h 5m12h 4m12h 3m12h 2m12h 2m12h 3m12h 5m12h 7m12h 9m12h 10m
Data source: Nairobi daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Nairobi

In Nairobi, Kenya, the December winds bring a refreshing change, with average speeds reaching 3.4 m/s (8 mph), making it one of the breezier months of the year. Throughout the preceding months, there is a gradual trend of increasing wind speeds, peaking in December after a series of more subdued autumn winds. Notably, November's winds averaged 3.0 m/s (7 mph), signaling the onset of this invigorating shift. As the year comes to a close, the lively December breezes invite both locals and visitors to enjoy the outdoors, embodying the enchanting essence of Nairobi's late-year climate.

Average December Wind Speed in Nairobi

The chart displays monthly wind speed patterns in Nairobi, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.82.33.52.51.82.01.82.12.42.93.03.4 m/s
Data source: Nairobi December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Nairobi Compares to Other Months

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

In December, temperatures in Nairobi range from a minimum of 11°C (52°F) to a maximum of 28°C (83°F), with an average of 19°C (67°F). The month also sees a significant amount of rainfall, averaging 76 mm (3.0 in) across 11 days, along with a high humidity level of 84%. In contrast, January offers slightly warmer conditions, with temperatures ranging from 11°C (52°F) at night to a high of 30°C (86°F) during the day, averaging 20°C (68°F). The precipitation drops considerably to 36 mm (1.4 in) over just 6 days, and the humidity decreases to a more comfortable 64%. For more detailed insights about January's weather, you can check Nairobi weather in January.

December and February showcase distinct contrasts in Nairobi's weather. December experiences slightly cooler temperatures, with averages ranging from a minimum of 11°C (52°F) to a maximum of 28°C (83°F), and a relatively high humidity level of 84%. Additionally, it sees more rainfall, with 76 mm (3.0 in) over about 11 days. In contrast, February brings warmer conditions, featuring temperatures that range from a minimum of 11°C (53°F) to a maximum of 31°C (88°F). This month has much less precipitation, only 33 mm (1.3 in) over 7 days, and a notable decrease in humidity to 53%. For a more detailed look at February weather, you can visit Nairobi weather in February.

In December, Nairobi experiences mild temperatures, with a minimum of 11°C (52°F) and an average of 19°C (67°F), reaching highs of up to 28°C (83°F). The month sees relatively high humidity at 84% and receives about 76 mm (3.0 in) of precipitation over 11 days. In contrast, March marks a slightly warmer period with minimum temperatures around 13°C (55°F) and an average of 21°C (70°F), peaking at 32°C (90°F). The humidity drops significantly to 49%, and precipitation increases slightly to 80 mm (3.1 in) over 12 days. For more detailed information about the weather in March, you can visit Nairobi weather in March.

In December, Nairobi experiences a warm climate with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 28°C (83°F), and an average of 19°C (67°F). The month sees about 76 mm (3.0 in) of rainfall spread over 11 days, accompanied by a high humidity level of 84%. In contrast, April tends to be slightly warmer with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 31°C (87°F), while the average sits at 20°C (69°F). However, April is also wetter, with a total precipitation of 146 mm (5.7 in) over 23 days, and a significantly lower humidity of 54%. For more detailed information, you can check Nairobi weather in April.

December and May in Nairobi exhibit similar average temperatures, with both months averaging around 19°C (67°F) and peaking at 28°C (82-83°F). However, December tends to be slightly warmer with a minimum of 11°C (52°F), compared to May's minimum of 12°C (54°F). In terms of precipitation, May is notably wetter, receiving 133 mm (5.2 in) over 19 days, while December experiences 76 mm (3.0 in) across 11 days. This results in higher humidity levels in December at 84%, compared to 71% in May. To explore more about the weather in May, visit Nairobi weather in May.

December and June in Nairobi present notable differences in weather patterns. In December, temperatures range from a minimum of 11°C (52°F) to a maximum of 28°C (83°F), with an average of 19°C (67°F). The month receives about 76 mm (3.0 in) of precipitation over 11 days, contributing to a high humidity level of 84%. In contrast, June experiences slightly cooler temperatures, with a minimum of 10°C (51°F) and a maximum of 26°C (80°F), averaging 18°C (65°F). Rainfall is less frequent in June, totaling 55 mm (2.2 in) over 10 days, and humidity is lower at 70%. For more detailed insights, you can check Nairobi weather in June.

When comparing the weather in December and July, there are notable differences in temperature, precipitation, and humidity. December experiences warmer temperatures, with daily averages reaching up to 19°C (67°F) and maximum highs of 28°C (83°F). In contrast, July has slightly cooler temperatures, averaging 18°C (64°F) with a maximum of 27°C (81°F). December also brings more humidity, averaging 84%, compared to July's more comfortable 63%. Additionally, December is wetter, with 76 mm (3.0 in) of precipitation over about 11 days, while July sees significantly less rain at 21 mm (0.8 in) over just 5 days. For more detailed insights, you can refer to Nairobi weather in July.

December weather features a warmer climate, with average temperatures ranging from a minimum of 11°C (52°F) to a maximum of 28°C (83°F). It experiences higher humidity at 84% and more precipitation, totaling 76 mm (3.0 in) over approximately 11 days. In contrast, August tends to be cooler, with temperatures spanning from a minimum of 8°C (47°F) to a maximum of 29°C (85°F), and significantly less rain, accumulating only 26 mm (1.0 in) over about 6 days. The humidity in August is notably lower at 60%. For more information on Nairobi's weather during this month, visit Nairobi weather in August.

In December, the weather in Nairobi sees slightly warmer temperatures compared to September, with minimums around 11°C (52°F) and maximums reaching up to 28°C (83°F), while September records similar maximums but slightly cooler minimums at 10°C (50°F). Both months have an average temperature of about 19°C (66-67°F), but December tends to be wetter, receiving 76 mm (3.0 in) of precipitation over 11 days, compared to September's more moderate 36 mm (1.4 in) over just 7 days. Additionally, December's humidity is higher at 84%, making it feel more humid than the 63% humidity typical of September. For more details, check out Nairobi weather in September.

In comparing the weather between December and October, December tends to be slightly warmer on average, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 28°C (83°F), while October sees temperatures between 12°C (54°F) and 29°C (85°F). Precipitation levels are somewhat higher in December, with 76 mm (3.0 in) over 11 days, compared to October's 69 mm (2.7 in) across 13 days. Additionally, December has higher humidity at 84%, compared to October's 76%. These seasonal variations highlight the more humid and slightly wetter conditions experienced in December. For a more detailed look at October weather, visit Nairobi weather in October.

In comparing the weather of December to November, both months display mild temperatures, with December experiencing slightly higher minimum and maximum temperatures. December's average temperature sits at 19°C (67°F), compared to November's 20°C (68°F). While the maximum temperature in December reaches 28°C (83°F), November peaks a notch higher at 29°C (84°F). Precipitation levels are also noteworthy; December sees 76 mm (3.0 in) of rain over 11 days, whereas November has a higher total of 92 mm (3.6 in) over 16 days. Humidity is relatively high for both months, but December's 84% is slightly less than November's 89%. For a more detailed look at the conditions in November, check out Nairobi weather in November.

Compare Nairobi's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Nairobi

In December, Nairobi experiences a distinct shift in weather, setting it apart from the drier months earlier in the year. The city sees a pleasant warmth with an average temperature comfortably resting at 19°C, while daily highs can reach up to 28°C. While temperatures are inviting, humidity levels rise to 84%, adding a touch of mugginess to the air. Furthermore, December marks the onset of the short rains, with about 11 days of precipitation and a total rainfall of 76 mm, transforming the landscape into a vibrant, green oasis. This month truly showcases the dynamic climate of Nairobi, making it a unique time to visit. For an in-depth look at what to expect throughout the year, explore the Nairobi Climate.