What is the weather like in Diani Beach in December?

Expect temperatures between 25°C and 30°C with 31% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Diani Beach in December?

Diani Beach in December scores 60/100 based on 30 years of climate data. Worthwhile timing with some trade-offs.

Who should visit Diani Beach in December?

December in Diani Beach is ideal for: Beach lovers, Business travelers.

Diani Beach Weather in December | 30-Year Forecast

Avg High

30°C

Hottest around day 30

Avg Low

25°C

Coolest around day 2

Rainy Days

27days

31% avg rain chance

Sunshine

8hrs/day

Winter season

Sea Temperature in December

Coastal Waters(Ocean)

29.3°C

Monthly Average

Water Feel

🌴Tropical

Perfect for swimming and water sports

Swim Rating

✅Excellent for swimming

Based on average sea surface temperature

Body of Water

Coastal Waters

Ocean

Diani Beach coastline

Diani Beach December Weather Calendar

Click any day to see detailed weather information

Day 1

Cloudy

30°C37%

Day 2

Cloudy

30°C37%

Day 3

Cloudy

30°C34%

Day 4

Cloudy

30°C33%

Day 5

Cloudy

30°C35%

Day 6

Cloudy

30°C34%

Day 7

Cloudy

30°C37%

Day 8

Cloudy

30°C39%

Day 9

Cloudy

30°C38%

Day 10

Cloudy

30°C36%

Day 11

Cloudy

30°C37%

Day 12

Cloudy

30°C34%

Day 13

Cloudy

31°C33%

Day 14

Cloudy

31°C34%

Day 15

Cloudy

31°C33%

Day 16

Cloudy

31°C31%

Day 17

Cloudy

31°C30%

Day 18

Cloudy

31°C30%

Day 19

Cloudy

31°C30%

Day 20

Cloudy

31°C32%

Day 21

Cloudy

31°C30%

Day 22

Cloudy

30°C29%

Day 23

Cloudy

31°C31%

Day 24

Cloudy

31°C28%

Day 25

Cloudy

31°C26%

Day 26

Cloudy

31°C27%

Day 27

Cloudy

31°C27%

Day 28

Cloudy

31°C22%

Day 29

Cloudy

31°C21%

Day 30

Cloudy

31°C21%

Day 31

Sunny

31°C18%

Essential Travel Info for Diani Beach

🗓️ Best Time to Visit 📖 Travel Guide 🍴 Food Guide

Currency

KES

Sh Kenyan shilling

Language

English

+1 more

Driving

Left side

Connect

Most long distance connections (bus, tra...

Safety

Moderate Safety

GPI: 2.303

Travel Intelligence

Exclusive flight analytics & health data for Diani Beach

Smart Flight Estimator

Airport-to-Airport Logistics

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Add your home location in settings to see airport details.

Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Remote

3/ 100

Traffic Index

Off the beaten path

Peak Daily Arrivals

slots per day

Peak

Apr

Low

Jun

Monthly Traffic Distribution

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Traffic Level

Low Season

Key Connections

Nairobi Wilson (WIL)

Nairobi Jomo Kenyatta (NBO)

Health & Safety Advisory

CDC travel health recommendations

13 Recommendations

COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Chikungunya

All travelers should take steps to prevent mosquito bites. Chikungunya vaccination is generally not recommended. Travelers who wish to consider vaccination can visit “What to consider before traveling” on thechikungunya vaccinespage to learn more.

Cholera

Areas of active cholera transmission arelocalizedto the counties of Garissa (last case reported 3-6 months ago), Kisumu (last case reported 6-9 months ago), Kwale (last case reported 6-9 months ago), Migori (last case reported in the past 3 months), Mombasa (last case reported 6-9 months ago), Nairobi (last case reported in the past 3 months), Narok (last case reported in the past 3 months), and Turkana (last case reported 3-6 months ago) in Kenya. Cholera is rare in travelers.Certain factorsmay increase the risk of getting cholera or having severe disease (more information). Avoiding unsafe food and water and washing your hands can also help prevent cholera.Vaccination may be considered for children and adults who are traveling to areas of active cholera transmission.

Hepatitis A

Recommended for unvaccinated travelers one year old or older going to Kenya.Infants 6 to 11 months old should also be vaccinated against Hepatitis A. The dose does not count toward the routine 2-dose series.Travelers allergic to a vaccine component should receive a single dose of immune globulin, which provides effective protection for up to 2 months depending on dosage given.Unvaccinated travelers who are over 40 years old, are immunocompromised, or have chronic medical conditions planning to depart to a risk area in less than 2 weeks should get the initial dose of vaccine and at the same appointment receive immune globulin.

Hepatitis B

Recommended for unvaccinated travelers younger than 60 years old traveling to Kenya. Unvaccinated travelers 60 years and older may get vaccinated before traveling to Kenya.

Malaria

CDC recommends that travelers going to certain areas of Kenya take prescription medicine to prevent malaria. Depending on the medicine you take, you will need to start taking this medicine multiple days before your trip, as well as during and after your trip. Talk to your doctor about which malaria medication you should take.Transmission areasAll areas (including game parks) <2,500 m (<8,200 ft) elevation; rare cases in the highly urbanized central part of the city of Nairobi (the capital)Drug resistanceChloroquineSpeciesP. falciparum(primarily)P. malariae,P. ovale, andP. vivax(less commonly)Recommended chemoprophylaxisAtovaquone-proguanil, doxycycline, mefloquine, tafenoquine2Highly urbanized central part of the city of Nairobi: No chemoprophylaxis recommended (insect bite precautions and mosquito avoidance only)4Updated April 23, 2025See footnotes

+7 more

Source: CDC Travelers' Health

View Complete Health Guide

Is December a Good Time to Visit Diani Beach?

👌Worthwhile timing with some trade-offs(60/100)

Short Answer

December brings oppressive conditions to Diani Beach: 30°C highs feel like 39°C due to 80% humidity. Only recommended for heat-tolerant travelers willing to limit outdoor activities during peak afternoon hours.

Decision Factors

Oppressive heat and humidity

30.4°C with 80% humidity - challenging conditions

Vaccinations required

Yellow Fever

Feels significantly hotter than 30.4°C

Heat index: 39°C due to 80% humidity

Warm tropical seas

29.3°C sea temperature - Hot Soup

Health precautions needed

Be aware of: Leptospirosis, Melioidosis, Schistosomiasis

Plenty of sunshine

11.2h of sunshine daily

Good For

🏖️
Beach lovers
29.3°C warm seas and 31% rain probability
💼
Business travelers
Climate-controlled meetings unaffected by weather

Who Should Avoid

👨‍👩‍👧‍👦
Families with children
39°C heat index dangerous for children
👴
Elderly travelers
Heat index of 39°C poses health risks
🌡️
Heat-sensitive visitors
39°C feels-like temperature creates discomfort

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Diani Beach in December averages 30°C with 31% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Diani Beach in December

What are the temperatures in Diani Beach in December?

Daytime highs average 30°C, nights drop to 25°C. Temperatures remain fairly consistent.

How many rainy days in Diani Beach in December?

Expect around 27 days with measurable rainfall. An umbrella is advisable.

What to wear in Diani Beach in December?

Light, breathable fabrics. Don't forget sunglasses and a hat.

Is December peak season in Diani Beach?

This is shoulder season—moderate prices and manageable crowds.

Diani Beach Weather in December

Sea Temperature in December

Diani Beach December Weather Calendar

Essential Travel Info for Diani Beach

Travel Intelligence

Smart Flight Estimator

Flight Connectivity Analysis

Monthly Traffic Distribution

Key Connections

Health & Safety Advisory

COVID-19

Chikungunya

Cholera

Hepatitis A

Hepatitis B

Malaria

Decision Factors

Good For

Who Should Avoid

Related Guides

Frequently Asked Questions: Diani Beach in December

What are the temperatures in Diani Beach in December?

How many rainy days in Diani Beach in December?

What to wear in Diani Beach in December?

Is December peak season in Diani Beach?