December weather forecastNairobi, Kenya

December
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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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).
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).
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 0min).
- Average sunshine in December: 9h and 6min
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).
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).
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).
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).
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).





