December weather forecastAdamstown, Pitcairn
December
Weather in December
The final month of the year sees Adamstown fully embracing its summer trappings. The city is in full festive mode, with people enjoying the warm weather that hovers around 24.2°C (75.6°F). This period of the year witnesses a net increase in local and foreign visitors, all in order to experience the city's well-known summer thrills. Adamstown's weather in December is a wonderful end to a year marked by diverse weather patterns. The city lights up during this time, capturing the joy and warmth of the season in a truly remarkable fashion.Temperature
The introduction of December in Adamstown sees an average high-temperature of a moderately hot 24.2°C (75.6°F), hardly deviating from November. Adamstown's nights throughout December are marked by an average low temperature of 23.1°C (73.6°F), a minor drop from the day's high.Humidity
January, October through December, with an average relative humidity of 78%, are the most humid months.Rainfall
The month with the most rainfall in Adamstown is December, when the rain falls for 18.4 days and typically aggregates up to 112mm (4.41") of precipitation.Sea temperature
In Adamstown, Pitcairn, in December, the average water temperature is 25°C (77°F).Note: Water surface temperatures from 25°C (77°F) to 29°C (84.2°F) are considered optimal and extremely delightful for long-lasting pleasure in any water activity.
Daylight
The month with the longest days is December, with an average of 13h and 42min of daylight.On the first day of the month, sunrise is at 05:42 and sunset at 19:17. On the last day of December, in Adamstown, sunrise is at 05:53 and sunset at 19:33 -08.
Sunshine
The month with the most sunshine in Adamstown is December, with an average of 9.2h of sunshine.UV index
In Adamstown, the average daily maximum UV index in December is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 6 in December converts into the following recommendations:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Watch out! Reflections from sand and water can surge UV radiation exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Adamstown, Pitcairn
- Average high temperature in December: 24.2°C
The warmest months (with the highest average high temperature) are February and March (26.2°C).
The month with the lowest average high temperature is September (21.3°C).
- Average low temperature in December: 23.1°C
The months with the highest average low temperature are February and March (25.3°C).
The coldest month (with the lowest average low temperature) is August (19.8°C).
Average pressure in December
Adamstown, Pitcairn
- Average pressure in December: 1016.7mbar
The month with the highest atmospheric pressure is September (1019.7mbar).
The month with the lowest atmospheric pressure is January (1016.3mbar).
Average wind speed in December
Adamstown, Pitcairn
- Average wind speed in December: 22.7km/h
The windiest month (with the highest average wind speed) is July (26.2km/h).
The calmest month (with the lowest average wind speed) is February (20.3km/h).
Average humidity in December
Adamstown, Pitcairn
- Average humidity in December: 78%
The months with the highest relative humidity are January, October, November and December (78%).
The month with the lowest relative humidity is July (75%).
Average rainfall in December
Adamstown, Pitcairn
- Average rainfall in December: 112mm
The wettest month (with the highest rainfall) is December (112mm).
The driest month (with the least rainfall) is July (57mm).
Average rainfall days in December
Adamstown, Pitcairn
- Average rainfall days in December: 18.4 days
The month with the highest number of rainy days is January (22 days).
The month with the least rainy days is September (14.8 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).
The 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: 13h and 42min
The month with the longest days is December (Average daylight: 13h and 42min).
The month with the shortest days is June (Average daylight: 10h and 36min).
- Average sunshine in December: 9h and 12min
The month with the most sunshine is December (Average sunshine: 9h and 12min).
The month with the least sunshine is June (Average sunshine: 6h and 0min).
Average sunshine days in December
Adamstown, Pitcairn
- Average sunshine days in December: 6.2 days
The month with the most sunshine days is July (10.6 days).
The month with the least sunshine days is January (4.9 days).
Average UV index in December
Adamstown, Pitcairn
- Average UV index in December: 6
The months with the highest UV index are January and February (UV index 7).
The months with the lowest UV index are June, August and September (UV index 5).
Average cloud cover in December
Adamstown, Pitcairn
- Average cloud cover in December: 47
The month with the most cloud cover is October (Cloud cover 50).
The month with the least cloud cover is February (Cloud cover 40).
Average visibility in December
Adamstown, Pitcairn
- 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).
