Nairobi County weather in December
December is a fair month to visit Nairobi County: highs of 26°C (79°F) and about 65 mm (2.6 in) of rain on average. Nights average 14°C (57°F) and cloud cover 57% (NASA POWER, 2001–2025 averages). It is the 4th wettest month of the year and the 4th coolest. Compared with November, it is about as warm and drier; January brings highs of 27°C (81°F) and 39 mm (1.5 in) of rain.
Figures are long-term averages for Nairobi, the largest city in Nairobi County. See below for other places.
Is December a good time to visit Nairobi County?
fair month Weather score 78/100.
December is a fair month in Nairobi County. The weather is usually best in Jun–Sep, Jan–Feb.
Does it rain a lot in Nairobi County in December?
Some rain is normal: about 65 mm (2.6 in) falls in an average December. It is the 4th wettest month of the year.
How warm is Nairobi County in December?
Days average 26°C (79°F) and nights 14°C (57°F).
Nairobi County weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 27°C (81°F) | 14°C (57°F) | 39 mm | 51% | best |
| February | 29°C (84°F) | 14°C (57°F) | 29 mm | 51% | best |
| March | 29°C (83°F) | 15°C (58°F) | 64 mm | 58% | fair |
| April | 27°C (80°F) | 15°C (58°F) | 114 mm | 73% | least pleasant |
| May | 25°C (78°F) | 13°C (56°F) | 73 mm | 70% | fair |
| June | 25°C (77°F) | 12°C (54°F) | 25 mm | 70% | best |
| July | 26°C (78°F) | 12°C (53°F) | 16 mm | 67% | best |
| August | 26°C (79°F) | 12°C (54°F) | 22 mm | 67% | best |
| September | 28°C (82°F) | 13°C (55°F) | 20 mm | 57% | best |
| October | 28°C (82°F) | 14°C (57°F) | 53 mm | 64% | fair |
| November | 26°C (79°F) | 14°C (58°F) | 81 mm | 67% | fair |
| December | 26°C (79°F) | 14°C (57°F) | 65 mm | 57% | fair |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
Weather across Nairobi County in December
Weather can differ a lot within Nairobi County: coasts, hills and mountains each have their own climate.
| Place | High | Low | Rain | Weather |
|---|---|---|---|---|
| Nairobi | 26°C (79°F) | 14°C (57°F) | 65 mm | fair |
| Thika | 24°C (75°F) | 13°C (55°F) | 80 mm | fair |
| Lang'ata | 26°C (79°F) | 14°C (57°F) | 65 mm | fair |
| Imara Daima Estate | 26°C (79°F) | 14°C (57°F) | 65 mm | fair |
| Pumwani | 26°C (79°F) | 14°C (57°F) | 65 mm | fair |