December weather forecast
Saint Lucia Estuary, South Africa

Today
Tomorrow
Long-term
YearJFMAMJJASONDecember
°Celsius°Fahrenheit
englishespañol中文
Share

Contents

Weather in December

As the year concludes in December, Saint Lucia Estuary experiences a mild drop in temperature high but maintains a warm climate overall. December represents the area's typical summer with long daylight hours and maximum cloud coverage. The wind speed sees a modest drop, leading to calmer weather conditions. The sea remains inviting, providing much-needed relief from the tropical heat. The rainfall level slightly increases from November, capturing the essence of a tropical December perfectly.

Temperature

Saint Lucia Estuary observes an average high-temperature of a still moderately hot 25.6°C (78.1°F) in December, barely different from 24.3°C (75.7°F) in November. Saint Lucia Estuary's nighttime temperatures in December display a slight drop from daytime highs, averaging to an agreeable 22.2°C (72°F).

Humidity

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

Rainfall

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

Sea temperature

In Saint Lucia Estuary, the average seawater temperature in December is 25.3°C (77.5°F).
Note: Water activities in surface temperatures between 25°C (77°F) and 29°C (84.2°F) are seen as exceptional and extremely agreeable for lengthened time spans.

Daylight

With an average of 13h and 54min of daylight, December has the longest days of the year.
On the first day of the month, sunrise is at 04:44 and sunset at 18:33. On the last day of December, in Saint Lucia Estuary, sunrise is at 04:55 and sunset at 18:50 SAST.

Sunshine

The average sunshine in December is 7.5h.

UV index

The average daily maximum UV index in December is 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: A maximum high daily UV index of 6 during December translates into the following directions:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. 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. Caution! The Sun's UV intensity grows with reflections off sand and water.
[Resources]

Frequently asked questions

What is the average December temperature in Saint Lucia Estuary?

The average high-temperature and low-temperature during December are 25.6°C (78.1°F) and 22.2°C (72°F) respectively. The average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in February is estimated at 30°C (86°F).

What is the most humid month in Saint Lucia Estuary?

With an average relative humidity of 80%, December is the most humid month.

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

The average relative humidity in December is 80%.

What is the rainiest month in Saint Lucia Estuary?

December is the month with the most rainfall. Rain falls for 21.8 days and accumulates 90mm (3.54") of precipitation.

How much does it rain in Saint Lucia Estuary in December?

In Saint Lucia Estuary, in December, during 21.8 rainfall days, 90mm (3.54") of precipitation is typically accumulated.

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

In Saint Lucia Estuary, in December, the average water temperature is 25.3°C (77.5°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 Saint Lucia Estuary?

December has the longest days of the year in Saint Lucia Estuary, with an average of 13h and 54min of daylight.

How many hours of daylight does Saint Lucia Estuary have in December?

In December, the average day length is 13h and 55min.

When are sunrise and sunset in December in Saint Lucia Estuary?

On the first day of December, sunrise is at 04:44 and sunset at 18:33. On the last day of the month, sunrise is at 04:55 and sunset at 18:50 SAST.

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

The average sunshine duration in December in Saint Lucia Estuary is 7.5h.

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

In Saint Lucia Estuary, the average daily maximum UV index in December is 6. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJFMAMJJASONDecember

Average temperature in December
Saint Lucia Estuary, South Africa

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).

[Resources]

Average pressure in December
Saint Lucia Estuary, South Africa

Average pressure in December - Saint Lucia Estuary, South Africa
  • Average pressure in December: 1013.8mbar

The month with the highest atmospheric pressure is July (1023mbar).
The month with the lowest atmospheric pressure is January (1013.4mbar).

[Resources]

Average wind speed in December
Saint Lucia Estuary, South Africa

Average wind speed in December - Saint Lucia Estuary, South Africa
  • Average wind speed in December: 22.8km/h

The windiest month (with the highest average wind speed) is October (25.2km/h).
The calmest month (with the lowest average wind speed) is March (20.2km/h).

[Resources]

Average humidity in December
Saint Lucia Estuary, South Africa

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%).

[Resources]

Average rainfall in December
Saint Lucia Estuary, South Africa

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).

[Resources]

Average rainfall days in December
Saint Lucia Estuary, South Africa

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).

[Resources]

Average sea temperature in December
Saint Lucia Estuary, South Africa

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).

[Resources]

Average daylight in December /
Average sunshine in December
Saint Lucia Estuary, South Africa

Average daylight in December / Average sunshine in December - Saint Lucia Estuary, South Africa
  • Average daylight in December: 13h and 5min

The month with the longest days is December (Average daylight: 13h and 54min).
The month with the shortest days is June (Average daylight: 10h and 24min).

  • Average sunshine in December: 7h and 3min

The month with the most sunshine is February (Average sunshine: 8h and 48min).
The month with the least sunshine is April (Average sunshine: 5h and 48min).

[Resources]

Average sunshine days in December
Saint Lucia Estuary, South Africa

Average sunshine days in December - Saint Lucia Estuary, South Africa
  • Average sunshine days in December: 7 days

The month with the most sunshine days is June (18.3 days).
The month with the least sunshine days is November (6.4 days).

[Resources]

Average UV index in December
Saint Lucia Estuary, South Africa

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).
The months with the lowest UV index are July, September and October (UV index 5).

[Resources]

Average cloud cover in December
Saint Lucia Estuary, South Africa

Average cloud cover in December - Saint Lucia Estuary, South Africa
  • Average cloud cover in December: 56

The months with the most cloud cover are November and December (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 22).

[Resources]

Average visibility in December
Saint Lucia Estuary, South Africa

Average visibility in December - Saint Lucia Estuary, South Africa
  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

[Resources]

Saint Lucia Estuary, South Africa

Weather forecast for today
Weather forecast for tomorrow
10 days weather forecast
Climate data
1January
2February
3March
4April
5May
6June
7July
8August
9September
10October
11November
12December

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location