December weather - Summer 2024

Weather in December
Frequently asked questions
Average temperature in December
Average pressure in December
Average wind speed in December
Average humidity in December
Average rainfall in December
Average rainfall days in December
Average daylight in December
Average sunshine in December
Average sunshine days in December
Average UV index in December
Average cloud cover in December
Average visibility in December

A small lake in Uhuru Park within the city of Nairobi, Kenya

Weather in December

The city of Nairobi concludes the year with weather patterns similar to those in November. Cloudy skies and fairly regular rains define the final weeks of the year, although rainfall decreases as the month progresses. As the city winds up its short rain season and welcomes Christmas, the weather gradually transitions towards the drier months of the coming year. December serves as a bridge between the damp previous months and the upcoming brighter, dry period, wrapping up the annual meteorological cycle in Nairobi.

Temperature

Nairobi's December reports an average high-temperature of a still warm 24.1°C (75.4°F), exhibiting a minor difference from November. Nairobi records an average low-temperature of 13.9°C (57°F) throughout the month of December.

Humidity

In December, the average relative humidity in Nairobi is 78%.

Rainfall

In Nairobi, during December, the rain falls for 20.1 days and regularly aggregates up to 58mm (2.28") of precipitation. In Nairobi, Kenya, during the entire year, the rain falls for 241.5 days and collects up to 676mm (26.61") of precipitation.

Daylight

The month with the longest days is December, with an average of 12h and 12min of daylight.
On the first day of December in Nairobi, sunrise is at 06:16 and sunset at 18:27. On the last day of the month, sunrise is at 06:29 and sunset at 18:41 EAT.

Sunshine

The average sunshine in December is 9.1h.

UV index

January through August, October through December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 5 in December interprets into the following advice:
Be vigilant - Preventing sunburn is recommended. To protect against the Sun's most potent rays, avoid direct exposure around midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.

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Frequently asked questions

What is the average December temperature in Nairobi?

The average high-temperature and low-temperature in Nairobi during December are 24.1°C (75.4°F) and 13.9°C (57°F) respectively. In February, the average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 28°C (82.4°F).

What is the average humidity in December in Nairobi?

In Nairobi, the average relative humidity in December is 78%.

How much does it rain in Nairobi in December?

In Nairobi, in December, during 20.1 rainfall days, 58mm (2.28") of precipitation is typically accumulated.

When are the longest days in Nairobi?

With an average of 12h and 12min of daylight, December has the longest days of the year in Nairobi.

What is the average length of the day in December in Nairobi?

The average day length in December is 12h and 12min.

What time are sunrise and sunset in December in Nairobi?

On the first day of December in Nairobi, Kenya, sunrise is at 06:16 and sunset at 18:27. On the last day of the month, sunrise is at 06:29 and sunset at 18:41 EAT.

How many hours of sunshine does Nairobi have in December?

In Nairobi, Kenya, the average sunshine duration in December is 9.1h.

What are the months with the lowest UV index in Nairobi?

The months with the lowest UV index are January through August, October through December, with an average maximum UV index of 5.

What is the UV index intensity in December in Nairobi?

In December, the average daily maximum UV index in Nairobi is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

24°C 75.2°F

24.1°C 75.4°F

25.7°C 78.3°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

11.8km/h 7.3mph

12.2km/h 7.6mph

12.3km/h 7.6mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

3.3

7.6

15.3

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Nairobi, Kenya

Average high temperature in December: 24.1°C

The warmest month (with the highest average high temperature) is February (27°C).
The month with the lowest average high temperature is June (22.4°C).

Average low temperature in December: 13.9°C

The month with the highest average low temperature is April (15.6°C).
The coldest month (with the lowest average low temperature) is July (12.7°C).

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Average pressure in December
Nairobi, Kenya

Average pressure in December: 1014.2mbar

The month with the highest atmospheric pressure is July (1016.8mbar).
The months with the lowest atmospheric pressure are February and March (1013.4mbar).

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Average wind speed in December
Nairobi, Kenya

Average wind speed in December: 11.1km/h

The windiest month (with the highest average wind speed) is February (11.8km/h).
The calmest month (with the lowest average wind speed) is June (6.1km/h).

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Average humidity in December
Nairobi, Kenya

Average humidity in December: 78%

The month with the highest relative humidity is May (84%).
The month with the lowest relative humidity is February (65%).

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Average rainfall in December
Nairobi, Kenya

Average rainfall in December: 58mm

The wettest month (with the highest rainfall) is April (125mm).
The driest month (with the least rainfall) is January (28mm).

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Average rainfall days in December
Nairobi, Kenya

Average rainfall days in December: 20.1 days

The month with the highest number of rainy days is May (27.7 days).
The month with the least rainy days is January (12.3 days).

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Average daylight in December /
Average sunshine in December
Nairobi, Kenya

Average daylight in December: 12h and 1min

The month with the longest days is December (Average daylight: 12h and 12min).
The month with the shortest days is June (Average daylight: 12h and 0min).

Average sunshine in December: 9h and 1min

The months with the most sunshine are January and February (Average sunshine: 9h and 36min).
The months with the least sunshine are April and May (Average sunshine: 8h and 30min).

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Average sunshine days in December
Nairobi, Kenya

Average sunshine days in December: 7.6 days

The month with the most sunshine days is January (15.3 days).
The month with the least sunshine days is April (1.9 days).

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Average UV index in December
Nairobi, Kenya

Average UV index in December: 5

The month with the highest UV index is September (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, October, November and December (UV index 5).

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Average cloud cover in December
Nairobi, Kenya

Average cloud cover in December: 43

The month with the most cloud cover is May (Cloud cover 54).
The month with the least cloud cover is February (Cloud cover 25).

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Average visibility in December
Nairobi, Kenya

Average visibility in December: 8km

The months with the highest visibility are September and October (10km).
The months with the lowest visibility are April and May (7km).

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December weather forecast
Nairobi, Kenya

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