Apia
Samoa
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Apia, Samoa

The view of the large Methodist church in the town of Apia, Samoa
The view of the large Methodist church in the town of Apia, Samoa
The first month of the summer, December, is still a warm month in Apia, Samoa, with average temperature varying between 29°C (84.2°F) and 23°C (73.4°F).

Temperature

In Apia, Samoa, the average high-temperature is relatively the same as in November - a moderately hot 29°C (84.2°F). The average low-temperature, in December, is 23°C (73.4°F).

Humidity

In Apia, the average relative humidity in December is 78%.

Rainfall

In Apia, in December, during 17 rainfall days, 370mm (14.6") of precipitation is typically accumulated. Throughout the year, there are 169 rainfall days, and 2800mm (110.2") of precipitation is accumulated.

Sea temperature

In Apia, the average seawater temperature is 29.5°C (85.1°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.

Daylight

December has the longest days of the year, with an average of 12.9h of daylight.

Sunshine

January through March and December, with an average of 6h of sunshine, are months with the least sunshine in Apia.

UV index

Months with the highest UV index in Apia are January through April, September through December, with an average maximum UV index of 12. A UV Index reading of 11, and higher, represents an extreme threat to health from the exposure to the Sun's UV radiation for ordinary individuals.
The daily maximum UV index of 12 in December interpret into the following advice:
Take all necessary precautions, as unprotected skin can burn in minutes. 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. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the temperature in December in Apia?

The average high-temperature, in December, is 29°C (84.2°F), while the average low-temperature is 23°C (73.4°F).

What is the average humidity in December in Apia?

The average relative humidity in December in Apia is 78%.

How much does it rain in Apia in December?

In Apia, in December, it is raining for 17 days, with typically 370mm (14.6") of accumulated precipitation.

How warm is the water in December in Apia?

In Apia, Samoa, in December, the average water temperature is 29.5°C (85.1°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

When are the longest days in Apia?

The month with the longest days is December, with an average of 12.9h of daylight.

How many hours of daylight does Apia have in December?

In Apia, the average length of the day in December is 12.9h.

What is the month with the least sunshine in Apia?

Months with the least sunshine in Apia are January through March and December, with an average of 6h of sunshine.

How many hours of sunshine does Apia have in December?

In December, the average sunshine in Apia is 6h.

What are the months with the highest UV index in Apia?

Months with the highest UV index are January through April, September through December, with an average maximum UV index of 12.

What is the UV index reading in December in Apia?

The average daily maximum UV index in December in Apia is 12. A UV Index of 11, and more, symbolizes an excessive health risk from the exposure to the Sun's UV rays.
Average temperature in December - Apia, Samoa
  • Average high temperature in December: 29°C

Warmest months (with the highest average high temperature) are January, March, April and November (30°C).
Months with the lowest average high temperature are August and September (28°C).

  • Average low temperature in December: 23°C

The month with the highest average low temperature is February (24°C).
Coldest months (with the lowest average low temperature) are January, March, April, May, June, July, August, September, October, November and December (23°C).

Average humidity in December - Apia, Samoa
  • Average humidity in December: 78%

The month with the highest relative humidity is January (81%).
Months with the lowest relative humidity are June, August and September (75%).

Average rainfall in December - Apia, Samoa
  • Average rainfall in December: 370mm

The wettest month (with the highest rainfall) is January (450mm).
Driest months (with the lowest rainfall) are July and August (80mm).

Average rainfall days in December - Apia, Samoa
  • Average rainfall days in December: 17 days

The month with the highest number of rainy days is January (19 days).
The month with the lowest number of rainy days is July (8 days).

Average sea temperature in December - Apia, Samoa
  • Average sea temperature in December: 29.5°C

The best month for swimming (with the highest average sea temperature) is March (29.7°C).
Coldest months (with the lowest average sea temperature) are August and September (27.9°C).

Average daylight in December / Average sunshine in December - Apia, Samoa
  • Average daylight in December: 12.9h

The month with the longest days is December (Average daylight: 12.9h).
The month with shortest days is June (Average daylight: 11.3h).

  • Average sunshine in December: 6h

Months with most sunshine are June, July, August and September (Average sunshine: 8h).
Months with least sunshine are January, February, March and December (Average sunshine: 6).

Average UV index in December - Apia, Samoa
  • Average UV index in December: 12

Months with the highest UV index are January, February, March, April, September, October, November and December (UV index 12).
Months with the lowest UV index are June and July (UV index 8).