December weather forecastLalomanu, Samoa
December
Weather in December
December concludes the climatic cycle in Lalomanu with some distinctive changes. This includes a return to higher rainfall at 162mm (6.38"), reinstating the vibrancy of the lush Samoan landscape. However, these showers do not disturb the island city's charm as sunshine hours remain satisfactory. The sea temperature and wind speed see minor changes, but they do not hamper the beach activities typical of Lalomanu. Finally, the atmospheric pressure ends the year on a neutral note, ensuring a comfortable environment amidst the tropical climate.Temperature
Lalomanu's weather, upon December's arrival, documents an average high-temperature of a still warm 28.3°C (82.9°F), nearly identical to the prior month. During December, Lalomanu perceives a slight decrease in temperature from daytime highs, settling at an average low of 27.5°C (81.5°F).Heat index
December's average heat index is computed to be a hot 32°C (89.6°F). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.Understand that the heat index values take into account shaded locations and mild winds. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'feels like', reflects the blend of air temperature and relative humidity to give a temperature impression. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly important for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Humidity
The average relative humidity in December is 76%.Rainfall
In Lalomanu, in December, it is raining for 19.1 days, with typically 162mm (6.38") of accumulated precipitation. Throughout the year, there are 246.7 rainfall days, and 1451mm (57.13") of precipitation is accumulated.Sea temperature
January through May and December, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater.Note: For swimming, diving, and various water activities, the temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are seen as highly enjoyable and comfortable for extended durations without any discomfort.
Daylight
December has the longest days of the year, with an average of 12h and 54min of daylight.On the first day of December in Lalomanu, sunrise is at 05:48 and sunset at 18:42. On the last day of the month, sunrise is at 06:00 and sunset at 18:57 +13.
Sunshine
In December, the average sunshine is 8h.UV index
The months with the highest UV index in Lalomanu are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.Note: In December, the maximum UV index of 7 suggests these recommendations:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Stay vigilant! UV rays get a boost in intensity due to sand and water reflections.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lalomanu, Samoa
- Average high temperature in December: 28.3°C
The warmest months (with the highest average high temperature) are March and April (28.7°C).
The month with the lowest average high temperature is September (27.3°C).
- Average low temperature in December: 27.5°C
The month with the highest average low temperature is January (27.6°C).
The coldest month (with the lowest average low temperature) is August (26°C).
Average pressure in December
Lalomanu, Samoa
- Average pressure in December: 1008.3mbar
The month with the highest atmospheric pressure is September (1012.3mbar).
The month with the lowest atmospheric pressure is January (1007.5mbar).
Average wind speed in December
Lalomanu, Samoa
- Average wind speed in December: 17.4km/h
The windiest month (with the highest average wind speed) is July (24.7km/h).
The calmest month (with the lowest average wind speed) is March (14.8km/h).
Average humidity in December
Lalomanu, Samoa
- Average humidity in December: 76%
The months with the highest relative humidity are June, July, August and September (78%).
The month with the lowest relative humidity is March (75%).
Average rainfall in December
Lalomanu, Samoa
- Average rainfall in December: 162mm
The wettest month (with the highest rainfall) is January (175mm).
The driest month (with the least rainfall) is September (57mm).
Average rainfall days in December
Lalomanu, Samoa
- Average rainfall days in December: 19.1 days
The month with the highest number of rainy days is April (22.7 days).
The month with the least rainy days is September (18.7 days).
Average sea temperature in December
Lalomanu, Samoa
- Average sea temperature in December: 29°C
The best months for swimming (with the highest average sea temperature) are January, February, March, April, May and December (29°C).
The coldest months (with the lowest average sea temperature) are August and September (27°C).
Average daylight in December /
Average sunshine in December
Lalomanu, Samoa
- Average daylight in December: 12h and 54min
The month with the longest days is December (Average daylight: 12h and 54min).
The month with the shortest days is June (Average daylight: 11h and 18min).
- Average sunshine in December: 8h and 0min
The month with the most sunshine is March (Average sunshine: 8h and 42min).
The month with the least sunshine is July (Average sunshine: 7h and 18min).
Average sunshine days in December
Lalomanu, Samoa
- Average sunshine days in December: 10.4 days
The month with the most sunshine days is December (10.4 days).
The month with the least sunshine days is June (2.7 days).
Average UV index in December
Lalomanu, Samoa
- Average UV index in December: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in December
Lalomanu, Samoa
- Average cloud cover in December: 43
The month with the most cloud cover is July (Cloud cover 49).
The month with the least cloud cover is March (Cloud cover 38).
Average visibility in December
Lalomanu, Samoa
- 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).





