Saint Lucia Estuary
South Africa
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Saint Lucia Estuary, South Africa

December, the first month of the summer, in Saint Lucia Estuary, is still a warm month, with average temperature varying between 22.2°C (72°F) and 25.6°C (78.1°F).

Temperature

In Saint Lucia Estuary, the average high-temperature is almost the same as in November - a still moderately hot 25.6°C (78.1°F). In December, in Saint Lucia Estuary, the average low-temperature is 22.2°C (72°F).

Humidity

December is the most humid month in Saint Lucia Estuary, South Africa, with an average relative humidity of 80%.

Rainfall

December is the month with the most rainfall in Saint Lucia Estuary, South Africa. Rain falls for 21.8 days and accumulates 90mm (3.54") of precipitation.

Sea temperature

In December, the average sea temperature in Saint Lucia Estuary is 25.3°C (77.5°F).
Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

December has the longest days of the year in Saint Lucia Estuary, with an average of 13.9h of daylight.

Sunshine

In December, the average sunshine in Saint Lucia Estuary is 7.5h.

UV index

In Saint Lucia Estuary, South Africa, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to the UV radiation for the average person.
Note: In December, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in December in Saint Lucia Estuary?

In Saint Lucia Estuary, in December, the average high-temperature is 25.6°C (78.1°F), and the average low-temperature is 22.2°C (72°F).

What is the most humid month in Saint Lucia Estuary?

The most humid month in Saint Lucia Estuary, South Africa, is December, with an average relative humidity of 80%.

What is the average humidity in December in Saint Lucia Estuary?

The average relative humidity in December in Saint Lucia Estuary is 80%.

How many days does it rain in December in Saint Lucia Estuary?

In Saint Lucia Estuary, in December, it is raining for 21.8 days, with typically 90mm (3.54") of accumulated precipitation.

What is the wettest month in Saint Lucia Estuary?

The month with the most rainfall in Saint Lucia Estuary is December when the rain falls for 21.8 days and typically aggregates up to 90mm (3.54") of precipitation.

What is the sea water temperature in December in Saint Lucia Estuary?

In December, the average sea temperature in Saint Lucia Estuary is 25.3°C (77.5°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

When are the longest days in Saint Lucia Estuary?

With an average of 13.9h of daylight, December has the longest days of the year.

What is the average length of the day in December in Saint Lucia Estuary?

In Saint Lucia Estuary, South Africa, the average length of the day in December is 13.9h.

How long on average sun shines in December in Saint Lucia Estuary?

The average sunshine in December in Saint Lucia Estuary, South Africa, is 7.5h.

What is the UV index reading in December in Saint Lucia Estuary?

The average daily maximum UV index in December in Saint Lucia Estuary, South Africa, is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV rays.
Average temperature in December - Saint Lucia Estuary, South Africa
  • Average high temperature in December: 25.6°C

The warmest month (with the highest average high temperature) is February (27.2°C).
The month with the lowest average high temperature is July (21.9°C).

  • Average low temperature in December: 22.2°C

The month with the highest average low temperature is February (23.7°C).
The coldest month (with the lowest average low temperature) is July (18°C).

Average humidity in December - Saint Lucia Estuary, South Africa
  • Average humidity in December: 80%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is June (68%).

Average rainfall in December - Saint Lucia Estuary, South Africa
  • Average rainfall in December: 90mm

The wettest month (with the highest rainfall) is December (90mm).
The driest month (with the least rainfall) is July (26mm).

Average rainfall days in December - Saint Lucia Estuary, South Africa
  • Average rainfall days in December: 21.8 days

The month with the highest number of rainy days is December (21.8 days).
The month with the least rainy days is June (9.6 days).

Average sea temperature in December - Saint Lucia Estuary, South Africa
  • Average sea temperature in December: 25.3°C

The best month for swimming (with the highest average sea temperature) is February (27.2°C).
The coldest month (with the lowest average sea temperature) is August (21.7°C).

Average daylight in December / Average sunshine in December - Saint Lucia Estuary, South Africa
  • Average daylight in December: 13.9h

The month with the longest days is December (Average daylight: 13.9h).
The month with the shortest days is June (Average daylight: 10.4h).

  • Average sunshine in December: 7.5h

The month with the most sunshine is February (Average sunshine: 8.8h).
The month with the least sunshine is April (Average sunshine: 5.8h).

Average UV index in December - Saint Lucia Estuary, South Africa
  • Average UV index in December: 6

The month with the highest UV index is January (UV index 7).
Months with the lowest UV index are July, September and October (UV index 5).