December weather forecastSei Mati, Indonesia
December
Weather in December
December, the first month of the winter in Sei Mati, is also a moderately hot month, with an average temperature fluctuating between 29.7°C (85.5°F) and 24.5°C (76.1°F).Temperature
In Sei Mati, the lowest temperatures are generally noted in December, averaging a high of 29.7°C (85.5°F) and a low of 24.5°C (76.1°F).Heat index
The heat index value for December is evaluated at a torrid 37°C (98.6°F). Exercise increased caution, heat cramps and heat exhaustion are potential hazards. Continuous activity could lead to heatstroke.Heat index specifics point out values are for conditions of shade and a slight breeze. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
The process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. An increase in relative humidity disrupts body cooling by slowing the evaporation rate, thereby reducing the rate at which the body cools and amplifying the sense of heat. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.
Humidity
December is the most humid month in Sei Mati, with an average relative humidity of 80%.Rainfall
In Sei Mati, Indonesia, during December, the rain falls for 27.6 days and regularly aggregates up to 150mm (5.91") of precipitation. In Sei Mati, during the entire year, the rain falls for 317.8 days and collects up to 1437mm (56.57") of precipitation.Daylight
With an average of 11h and 54min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 06:16 and sunset at 18:12. On the last day of December, sunrise is at 06:30 and sunset at 18:25 WIB.
Sunshine
The months with the least sunshine in Sei Mati are November and December, with an average of 8h of sunshine.UV index
The months with the highest UV index in Sei Mati 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 of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 7 in December translates into these instructions:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sei Mati, Indonesia
- Average high temperature in December: 29.7°C
The warmest months (with the highest average high temperature) are May and June (31.9°C).
The month with the lowest average high temperature is December (29.7°C).
- Average low temperature in December: 24.5°C
The month with the highest average low temperature is April (25.6°C).
The coldest month (with the lowest average low temperature) is January (24.1°C).
Average pressure in December
Sei Mati, Indonesia
- Average pressure in December: 1010.2mbar
The month with the highest atmospheric pressure is January (1010.9mbar).
The month with the lowest atmospheric pressure is May (1009.5mbar).
Average wind speed in December
Sei Mati, Indonesia
- Average wind speed in December: 7.6km/h
The windiest month (with the highest average wind speed) is February (7.8km/h).
The calmest month (with the lowest average wind speed) is September (6.7km/h).
Average humidity in December
Sei Mati, Indonesia
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are March, June, July and August (75%).
Average rainfall in December
Sei Mati, Indonesia
- Average rainfall in December: 150mm
The wettest month (with the highest rainfall) is October (158mm).
The driest month (with the least rainfall) is February (88mm).
Average rainfall days in December
Sei Mati, Indonesia
- Average rainfall days in December: 27.6 days
The month with the highest number of rainy days is October (28.7 days).
The month with the least rainy days is February (21.3 days).
Average daylight in December /
Average sunshine in December
Sei Mati, Indonesia
- Average daylight in December: 11h and 54min
The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 11h and 54min).
- Average sunshine in December: 8h and 0min
The month with the most sunshine is June (Average sunshine: 9h and 18min).
The months with the least sunshine are November and December (Average sunshine: 8h and 0min).
Average sunshine days in December
Sei Mati, Indonesia
- Average sunshine days in December: 2.2 days
The months with the most sunshine days are January and February (5 days).
The month with the least sunshine days is April (0.9 days).
Average UV index in December
Sei Mati, Indonesia
- 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
Sei Mati, Indonesia
- Average cloud cover in December: 45
The month with the most cloud cover is November (Cloud cover 47).
The months with the least cloud cover are March and June (Cloud cover 31).
Average visibility in December
Sei Mati, Indonesia
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).
