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Climate Guide for December

 It’s well into the ‘rain season’. Generally wet and humid with occasional outbreaks of rain showers day or night, however there seems to be a clear prevalence of showers in the early afternoon.
Quite common in the tropics is that even in the rainy season dry and sunny spells is still fairly frequent.
On average December experiences at least 10 dry days and even during the rain days it doesn’t necessarily rain throughout the day.

Although the Northwest monsoon seems to be well established, we normally experience fairly light winds (the only exception is with the presence of tropical cyclones to the south which can stir up moderate winds for a couple of days). Outside of this, condition at sea is quite pleasant.

It is summer down south and with the high humidity conditions can get a bit oppressive at times.

 Climatic Means and Extremes for December 

Rainfall

281.2mm (11.1ins)

 

Highest Rainfall

560.2mm
(22.1ins)

1978

Number of Dry days (<0.1mm)

10

 

Lowest Rainfall

57.9mm
(2.3ins)

1987

Number of Wet days (>5.0mm)

12

 

Highest Temperature

33.4°C (92.1°F)

1997

Relative Humidity

82%

 

Lowest Temperature

20.0°C (68.0°F)

1973

Sunshine Duration

5.5hrs/day

 

Highest wind Speed

56kts (104km/hr)

1994

Cloud Cover

64%

 

Notes:
These statistics are based on records collected at Seychelles International Airport on the main island of Mahé for the 30-year period 1972-2001.
The station is located close to sea level on the east coast.

Sea Surface Temperature is based on only 3 years of data (2000-2002 inclusive).

Air Temperature

26.9°C
(80.4°F)

 

Maximum Air Temperature

30.2°C
(86.4°F)

 

Minimum Air Temperature

24.2°C
(75.6°F)

 

Sea Surface Temperature

28.9°C
(84.0°F)

 

Predominant Wind Direction

West to Northwest

 

Wind Speed

5.5kts (10km/hr)

 

 

To discuss the latest Outlook for your holiday, talk to a Weatherman live on (248) 384070/384071. You can also access the latest weather forecast through the ‘Dial-a-Weather Service’ on (248) 971555

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