Adamstown
Pitcairn
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Adamstown, Pitcairn

Splendid view of the British territory of Adamstown in the Pitcairn Island viewed from the Pacific waters
Splendid view of the British territory of Adamstown in the Pitcairn Island viewed from the Pacific waters
December, the first month of the summer, in Adamstown, is also a moderately hot month, with average temperature fluctuating between 24.4°C (75.9°F) and 19.5°C (67.1°F).

Temperature

In Adamstown, Pitcairn, the average high-temperature is essentially the same as in November - a still warm 24.4°C (75.9°F). In December, the average low-temperature is 19.5°C (67.1°F).

Rainfall

December is the month with the most rainfall. Rain falls for 11.4 days and accumulates 163mm (6.4") of precipitation.

Sea temperature

In Adamstown, the average water temperature is 25°C (77°F).
Note: 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.

Daylight

December has the longest days of the year in Adamstown, Pitcairn, with an average of 13.7h of daylight.

Sunshine

The average sunshine in December is 9h.

UV index

January, February, November and December, with an average maximum UV index of 12, are months with the highest UV index. A UV Index of 11, and more, symbolizes an extreme health hazard from the exposure to the Sun's UV rays for average individuals.
Note: 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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. 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 reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in December in Adamstown?

In Adamstown, in December, the average high-temperature is 24.4°C (75.9°F), and the average low-temperature is 19.5°C (67.1°F).

How many days does it rain in December in Adamstown?

In December, in Adamstown, Pitcairn, the rain falls for 11.4 days. Throughout December, 163mm (6.4") of precipitation is accumulated.

What is the rainiest month in Adamstown?

The month with the most rainfall in Adamstown is December when the rain falls for 11.4 days and typically aggregates up to 163mm (6.4") of precipitation.

What is the water temperature in December in Adamstown?

In Adamstown, Pitcairn, the average seawater temperature in December is 25°C (77°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 Adamstown?

December has the longest days of the year, with an average of 13.7h of daylight.

What is the average length of the day in December in Adamstown?

In December, the average length of the day in Adamstown is 13.7h.

How long on average sun shines in December in Adamstown?

The average sunshine in December in Adamstown is 9h.

When is the highest UV index in Adamstown?

January, February, November and December, with an average maximum UV index of 12, are months with the highest UV index.

How high is the UV index in December in Adamstown?

In Adamstown, the average daily maximum UV index in December is 12. A UV Index estimate of 11, and higher, represents an excessive health risk from the exposure to the Sun's UV radiation.
Average temperature in December - Adamstown, Pitcairn
  • Average high temperature in December: 24.4°C

The warmest month (with the highest average high temperature) is February (26.2°C).
The month with the lowest average high temperature is August (20.6°C).

  • Average low temperature in December: 19.5°C

The month with the highest average low temperature is February (21°C).
The coldest month (with the lowest average low temperature) is August (16°C).

Average rainfall in December - Adamstown, Pitcairn
  • Average rainfall in December: 163mm

The wettest month (with the highest rainfall) is December (163mm).
The driest month (with the lowest rainfall) is March (119mm).

Average rainfall days in December - Adamstown, Pitcairn
  • Average rainfall days in December: 11.4 days

The month with the highest number of rainy days is April (16 days).
The month with the lowest number of rainy days is October (9 days).

Average sea temperature in December - Adamstown, Pitcairn
  • Average sea temperature in December: 25°C

The best month for swimming (with the highest average sea temperature) is March (27.3°C).
Coldest months (with the lowest average sea temperature) are August and September (22.3°C).

Average daylight in December / Average sunshine in December - Adamstown, Pitcairn
  • Average daylight in December: 13.7h

The month with the longest days is December (Average daylight: 13.7h).
The month with shortest days is June (Average daylight: 10.6h).

  • Average sunshine in December: 9h

Months with most sunshine are January, February and March (Average sunshine: 14h).
The month with least sunshine is August (Average sunshine: 4h).

Average UV index in December - Adamstown, Pitcairn
  • Average UV index in December: 12

Months with the highest UV index are January, February, November and December (UV index 12).
Months with the lowest UV index are June and July (UV index 5).