December weather forecast
Nairobi, Kenya

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

Weather in December

December, the first month of the summer in Nairobi, is still a warm month, with an average temperature fluctuating between 13.9°C (57°F) and 24.1°C (75.4°F).

Temperature

In Nairobi, the average high-temperature in December is essentially the same as in November - a still warm 24.1°C (75.4°F). The average low-temperature, in December, is 13.9°C (57°F).

Humidity

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

Rainfall

In Nairobi, Kenya, in December, it is raining for 20.1 days, with typically 58mm (2.28") of accumulated precipitation. Throughout the year, in Nairobi, there are 241.5 rainfall days, and 676mm (26.61") of precipitation is accumulated.

Daylight

December has the longest days of the year, with an average of 12h and 12min of daylight.
On the first day of the month, sunrise is at 06:15 and sunset at 18:27. On the last day of December, sunrise is at 06:29 and sunset at 18:41 EAT.

Sunshine

The average sunshine in December in Nairobi is 9.1h.

UV index

The months with the lowest UV index are January through August, October through December, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The daily maximum UV index of 5 in December interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the average humidity in December in Nairobi?

In December, the average relative humidity is 78%.

How many days does it rain in December in Nairobi?

In December, in Nairobi, Kenya, the rain falls for 20.1 days. Throughout December, 58mm (2.28") of precipitation is accumulated.

When are the longest days in Nairobi?

The month with the longest days in Nairobi is December, with an average of 12h and 12min of daylight.

How many hours of daylight does Nairobi have in December?

In Nairobi, Kenya, the average day length in December is 12h and 12min.

When is the sunrise / sunset in December in Nairobi?

In December, on the first day of the month, sunrise is at 06:15 and sunset at 18:27. On the last day of the month, in Nairobi, Kenya, 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?

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

How high is the UV index in December in Nairobi?

In December, the average daily maximum UV index in Nairobi, Kenya, is 5. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.

Average temperature in December
Nairobi, Kenya

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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in December - Nairobi, Kenya
  • Average daylight in December: 12h and 12min

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 3min).

  • Average sunshine in December: 9.1h

The months with the most sunshine are January and February (Average sunshine: 9.6h).
The months with the least sunshine are April and May (Average sunshine: 8.5).

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Average sunshine days in December
Nairobi, Kenya

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 - 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 - 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 - 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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