December weather forecast
Diani Beach, Kenya

A shade and palm trees on the white sandy beaches of Diani, the coastal city in Kenya
A shade and palm trees on the white sandy beaches of Diani, the coastal city in Kenya

Weather in December

The first month of the summer, December, is still a tropical month in Diani Beach, Kenya, with an average temperature fluctuating between 23°C (73.4°F) and 32°C (89.6°F).

Temperature

In Diani Beach, the average high-temperature in December is essentially the same as in November - a still tropical 32°C (89.6°F). In December, in Diani Beach, the average low-temperature is 23°C (73.4°F).

Rainfall

In December, the rain falls for 12 days. Throughout December, 66mm (2.6") of precipitation is accumulated. Throughout the year, there are 140 rainfall days, and 1121mm (44.13") of precipitation is accumulated.

Sea temperature

In December, the average sea temperature in Diani Beach is 28°C (82.4°F).
Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

The month with the longest days in Diani Beach is December, with an average of 12h and 22min of daylight.
On the first day of December in Diani Beach, sunrise is at 06:00 and sunset at 18:21. On the last day of the month, sunrise is at 06:13 and sunset at 18:35 EAT.

Sunshine

In Diani Beach, the average sunshine in December is 9h.

UV index

The months with the highest UV index in Diani Beach are January through April, September through December, with an average maximum UV index of 12. A UV Index value of 11, and more, symbolizes an excessive health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 12 in December interpret into the following advice:
Practice all essential precautions. Protection against sun damage is crucial. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
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FAQ

What is the temperature in December in Diani Beach?

The average high-temperature, in December, in Diani Beach, Kenya, is 32°C (89.6°F), while the average low-temperature is 23°C (73.4°F).

How much does it rain in Diani Beach in December?

In Diani Beach, Kenya, during December, the rain falls for 12 days and regularly aggregates up to 66mm (2.6") of precipitation.

What is the sea water temperature in December in Diani Beach?

In Diani Beach, the average seawater temperature in December is 28°C (82.4°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

When are the longest days in Diani Beach?

The month with the longest days in Diani Beach, Kenya, is December, with an average of 12h and 22min of daylight.

What is the average length of the day in December in Diani Beach?

The average day length in December in Diani Beach, Kenya, is 12h and 22min.

When are sunrise and sunset in December in Diani Beach?

In December, on the first day of the month, sunrise is at 06:00 and sunset at 18:21. On the last day of the month, in Diani Beach, Kenya, sunrise is at 06:13 and sunset at 18:35 EAT.

How many hours of sunshine does Diani Beach have in December?

The average sunshine duration in December in Diani Beach is 9h.

What are the months with the highest UV index in Diani Beach?

January through April, September through December, with an average maximum UV index of 12, are months with the highest UV index in Diani Beach, Kenya.

What is the UV index reading in December in Diani Beach?

In December, the average daily maximum UV index is 12. A UV Index estimate of 11, and higher, represents an extreme health vulnerability from exposure to Sun's UV rays.
Average rainfall days
Average sunshine
Average UV index

Average temperature in December
Diani Beach, Kenya

Average temperature in December - Diani Beach, Kenya
  • Average high temperature in December: 32°C

The warmest month (with the highest average high temperature) is March (33°C).
The months with the lowest average high temperature are July and August (28°C).

  • Average low temperature in December: 23°C

The months with the highest average low temperature are February, March and April (24°C).
The coldest months (with the lowest average low temperature) are July and August (20°C).

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Average rainfall in December
Diani Beach, Kenya

Average rainfall in December - Diani Beach, Kenya
  • Average rainfall in December: 66mm

The wettest month (with the highest rainfall) is May (270mm).
The driest month (with the least rainfall) is February (17mm).

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Average rainfall days in December
Diani Beach, Kenya

Average rainfall days in December - Diani Beach, Kenya
  • Average rainfall days in December: 12 days

The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is February (4 days).

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Average sea temperature in December
Diani Beach, Kenya

Average sea temperature in December - Diani Beach, Kenya
  • Average sea temperature in December: 28°C

The best months for swimming (with the highest average sea temperature) are March and April (29°C).
The coldest month (with the lowest average sea temperature) is August (25°C).

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Average daylight in December /
Average sunshine in December
Diani Beach, Kenya

Average daylight in December / Average sunshine in December - Diani Beach, Kenya
  • Average daylight in December: 12h and 22min

The month with the longest days is December (Average daylight: 12h and 22min).
The month with the shortest days is June (Average daylight: 11h and 53min).

  • Average sunshine in December: 9h

The month with the most sunshine is February (Average sunshine: 10h).
The month with the least sunshine is May (Average sunshine: 6h).

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Average UV index in December
Diani Beach, Kenya

Average UV index in December - Diani Beach, Kenya
  • Average UV index in December: 12

The months with the highest UV index are January, February, March, April, September, October, November and December (UV index 12).
The months with the lowest UV index are June and July (UV index 10).

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