December weather forecastSapapali'i, Samoa
December
Weather in December
Finally, Sapapali'i concludes the year maintaining the warm temperatures characteristic of November. December witnesses an escalation in both humidity and rainfall from November, setting a festive mood with frequent showers. The highest daylight hours are recorded at 12.9, ensuring brighter days and late sunsets. Despite higher rainfall, the overall weather brings about a pleasant end to the city's climatic year.Temperature
In December, Sapapali'i experiences a minor shift in meteorological conditions with average high-temperatures marked at a still moderately hot 28.3°C (82.9°F), closely mirroring the climate in November. Sapapali'i experiences an average nighttime temperature of 27.5°C (81.5°F) in December, reflecting a minor difference from the day's peak.Heat index
The average heat index in December 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.Evaluating the heat index requires understanding its values in the shade and with gentle winds. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', determines the feeling of heat when you account for the relative humidity. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Humidity
In Sapapali'i, the average relative humidity in December is 76%.Rainfall
In Sapapali'i, in December, it is raining for 19.1 days, with typically 162mm (6.38") of accumulated precipitation. In Sapapali'i, during the entire year, the rain falls for 246.7 days and collects up to 1451mm (57.13") of precipitation.Daylight
December has the longest days of the year, with an average of 12h and 54min of daylight.On the first day of the month, sunrise is at 05:51 and sunset at 18:44. On the last day of December, sunrise is at 06:04 and sunset at 18:59 +13.
Sunshine
In Sapapali'i, the average sunshine in December is 8h.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 7 suggests these recommendations:
Ward off overexposure. Defence against solar harm is crucial. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sapapali'i, 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
Sapapali'i, 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
Sapapali'i, 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
Sapapali'i, 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
Sapapali'i, 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
Sapapali'i, 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 daylight in December /
Average sunshine in December
Sapapali'i, 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
Sapapali'i, 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
Sapapali'i, 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
Sapapali'i, 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
Sapapali'i, 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).
