Diani Beach Weather in December: What to Expect
In December, Diani Beach averages highs of 30.2°C and lows of 24.8°C, with about 18 rainy days (~98 mm). Verdict: Wet season — plan around rain — ~18 rainy days this month. That makes it the hottest of Kenya's 6 main cities this month.
Diani Beach 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 Diani Beach 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 Diani Beach in December
With highs near 30.2°C and lows around 24.8°C, pack light summer clothing plus a thin layer for evenings, a compact umbrella or rain shell.
Diani Beach is on the coast — add swimwear; sea conditions are pleasant for swimming this month.
What to do in Diani Beach in December
With 30.2°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
Diani Beach in December — FAQs
What is the weather like in Diani Beach in December?
In December, Diani Beach averages daytime highs of 30.2°C and overnight lows around 24.8°C, with roughly 18 rainy days and about 98 mm of rain across the month. Wet season — plan around rain — ~18 rainy days this month.
Is December a good time to visit Diani Beach?
Wet season — plan around rain. Plan outdoor sights for early morning and keep midday for indoor or shaded activities. Among Kenya's cities, Diani Beach is the hottest this month.
What should I pack for Diani Beach in December?
For December (24.8–30.2°C), pack light summer clothing plus a thin layer for evenings, a compact umbrella or rain shell.
What is there to do in Diani Beach in December?
Diani Beach's main sights include Kisite-Mpunguti 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.
Diani Beach weather by month: