Mombasa Weather in December: What to Expect
In December, Mombasa averages highs of 30.1°C and lows of 24.9°C, with about 20 rainy days (~108 mm). Verdict: Wet season — plan around rain — ~20 rainy days this month. That makes it the 2nd hottest of Kenya's 6 main cities this month.
Mombasa vs other Kenya cities in December
Kenya is not one climate. In December, Diani Beach runs to 30.2°C while Lake Nakuru sits at 24.6°C — a 6°C spread. Here is where Mombasa falls:
| City | Avg high | Avg low | Rainy days |
|---|---|---|---|
| Diani Beach | 30.2°C | 24.8°C | 18 |
| Mombasa | 30.1°C | 24.9°C | 20 |
| Amboseli | 27.7°C | 17.9°C | 19 |
| Masai Mara | 27.3°C | 15.1°C | 13 |
| Nairobi | 24.6°C | 14.9°C | 16 |
| Lake Nakuru | 24.6°C | 13.9°C | 8 |
What to pack for Mombasa in December
With highs near 30.1°C and lows around 24.9°C, pack light summer clothing plus a thin layer for evenings, a compact umbrella or rain shell.
Mombasa is on the coast — add swimwear; sea conditions are pleasant for swimming this month.
What to do in Mombasa in December
With 30.1°C midday highs, start outdoor sights early and keep afternoons for shaded or indoor stops. Top sights:
Public holidays in Kenya, December
- 2026-12-12 — Jamhuri Day
- 2026-12-25 — Christmas Day
- 2026-12-26 — Boxing Day
- 2027-12-13 — Jamhuri Day
- 2027-12-25 — Christmas Day
- 2027-12-26 — Boxing Day
Mombasa in December — FAQs
What is the weather like in Mombasa in December?
In December, Mombasa averages daytime highs of 30.1°C and overnight lows around 24.9°C, with roughly 20 rainy days and about 108 mm of rain across the month. Wet season — plan around rain — ~20 rainy days this month.
Is December a good time to visit Mombasa?
Wet season — plan around rain. Plan outdoor sights for early morning and keep midday for indoor or shaded activities. Among Kenya's cities, Mombasa is the 2nd hottest this month.
What should I pack for Mombasa in December?
For December (24.9–30.1°C), pack light summer clothing plus a thin layer for evenings, a compact umbrella or rain shell.
What is there to do in Mombasa in December?
Mombasa's main sights include Fort Jesus Museum, Ruins of Gedi, Arabuko Sokoke National Park, Watamu Marine National Park. Time outdoor sites for early morning given the midday heat.
Are there public holidays in Kenya in December?
Yes — Jamhuri Day (2026-12-12), Christmas Day (2026-12-25), Boxing Day (2026-12-26), Jamhuri Day (2027-12-13), Christmas Day (2027-12-25), Boxing Day (2027-12-26). Sites can be busier or closed around these dates.
Mombasa weather by month: