December weather forecastCa Mau, Vietnam
December
Weather in December
December in Ca Mau embraces the Dry season, by not only witnessing a further decrease in rainfall to 68mm (2.68") but also the lowest temperature margins from 24.1°C (75.4°F) to 29.8°C (85.6°F). The month is characterized by pleasant and cool weather conditions, a relief from the hot and humid previous months. As the year wraps up, longer daylight hours make way for beautiful sunsets and slightly chillier evenings. The declining trend in rainfall and a dip in temperatures herald the beginning of a fresh cycle for the upcoming January.Temperature
The coldest month is December, with an average high-temperature of 29.8°C (85.6°F) and an average low-temperature of 24.1°C (75.4°F).Heat index
December's mean heat index is computed to be a torrid 36°C (96.8°F). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.When referencing the heat index, its values are suitable for shady environments and light breezes. 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 'apparent temperature' or 'real feel', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are quite important for babies and toddlers. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
The body's self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.
Humidity
In Ca Mau, the average relative humidity in December is 76%.Rainfall
In December, the rain falls for 19.5 days. Throughout December, 68mm (2.68") of precipitation is accumulated. Throughout the year, there are 238.6 rainfall days, and 889mm (35") of precipitation is accumulated.Daylight
December has the shortest days of the year, with an average of 11h and 36min of daylight.On the first day of December, sunrise is at 05:59 and sunset at 17:37. On the last day of the month, sunrise is at 06:14 and sunset at 17:50 +07.
Sunshine
With an average of 5.9h of sunshine, December has the least sunshine of the year.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 7 transforms into these recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ca Mau, Vietnam
- Average high temperature in December: 29.8°C
The warmest month (with the highest average high temperature) is April (33.6°C).
The month with the lowest average high temperature is December (29.8°C).
- Average low temperature in December: 24.1°C
The month with the highest average low temperature is May (27.8°C).
The coldest month (with the lowest average low temperature) is January (23.9°C).
Average pressure in December
Ca Mau, Vietnam
- Average pressure in December: 1010.3mbar
The months with the highest atmospheric pressure are January and February (1011.4mbar).
The month with the lowest atmospheric pressure is June (1008.1mbar).
Average wind speed in December
Ca Mau, Vietnam
- Average wind speed in December: 15.3km/h
The windiest month (with the highest average wind speed) is February (17.1km/h).
The calmest month (with the lowest average wind speed) is May (11.1km/h).
Average humidity in December
Ca Mau, Vietnam
- Average humidity in December: 76%
The month with the highest relative humidity is November (81%).
The month with the lowest relative humidity is March (68%).
Average rainfall in December
Ca Mau, Vietnam
- Average rainfall in December: 68mm
The wettest month (with the highest rainfall) is October (160mm).
The driest month (with the least rainfall) is February (10mm).
Average rainfall days in December
Ca Mau, Vietnam
- Average rainfall days in December: 19.5 days
The month with the highest number of rainy days is October (27.3 days).
The month with the least rainy days is February (6 days).
Average daylight in December /
Average sunshine in December
Ca Mau, Vietnam
- Average daylight in December: 11h and 36min
The month with the longest days is June (Average daylight: 12h and 36min).
The month with the shortest days is December (Average daylight: 11h and 36min).
- Average sunshine in December: 5h and 54min
The month with the most sunshine is April (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in December
Ca Mau, Vietnam
- Average sunshine days in December: 8 days
The month with the most sunshine days is February (19.5 days).
The month with the least sunshine days is October (2.6 days).
Average UV index in December
Ca Mau, Vietnam
- 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
Ca Mau, Vietnam
- Average cloud cover in December: 40
The month with the most cloud cover is September (Cloud cover 44).
The month with the least cloud cover is February (Cloud cover 25).
Average visibility in December
Ca Mau, Vietnam
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, November and December (10km).
The month with the lowest visibility is October (9km).





