January weather forecastSei Mati, Indonesia
January
Weather in January
January, like December, in Sei Mati, Indonesia, is another warm winter month, with an average temperature varying between 24.1°C (75.4°F) and 29.9°C (85.8°F).Temperature
Transitioning into January, Sei Mati records an average high-temperature of a still warm 29.9°C (85.8°F), almost identical to December's 29.7°C (85.5°F). Throughout January, Sei Mati witnesses a consistent average low-temperature of 24.1°C (75.4°F).Heat index
The heat index value during January is evaluated at a very hot 37°C (98.6°F). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.Bear in mind that the heat index values are determined for shaded areas and light breezes. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.
Humidity
In January, the average relative humidity is 79%.Rainfall
In Sei Mati, during January, the rain falls for 25 days and regularly aggregates up to 100mm (3.94") 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
In January, the average length of the day is 11h and 56min.On the first day of January, sunrise is at 06:30 and sunset at 18:26. On the last day of the month, sunrise is at 06:39 and sunset at 18:37 WIB.
Sunshine
In Sei Mati, Indonesia, the average sunshine in January is 8.6h.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 estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A daily high UV index of 7 in January leads to these guidelines:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Sei Mati, Indonesia
- Average high temperature in January: 29.9°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 January: 24.1°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 January
Sei Mati, Indonesia
- Average pressure in January: 1010.9mbar
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 January
Sei Mati, Indonesia
- Average wind speed in January: 7.7km/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 January
Sei Mati, Indonesia
- Average humidity in January: 79%
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 January
Sei Mati, Indonesia
- Average rainfall in January: 100mm
The wettest month (with the highest rainfall) is October (158mm).
The driest month (with the least rainfall) is February (88mm).
Average rainfall days in January
Sei Mati, Indonesia
- Average rainfall days in January: 25 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 January /
Average sunshine in January
Sei Mati, Indonesia
- Average daylight in January: 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 January: 8h and 36min
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 January
Sei Mati, Indonesia
- Average sunshine days in January: 5 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 January
Sei Mati, Indonesia
- Average UV index in January: 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 January
Sei Mati, Indonesia
- Average cloud cover in January: 39
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 January
Sei Mati, Indonesia
- Average visibility in January: 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).
