January weather forecastRiung, Indonesia
January
Weather in January
January, the same as December, is a moderately hot summer month in Riung, Indonesia, with an average temperature varying between 26.3°C (79.3°F) and 28.5°C (83.3°F).Temperature
Riung's weather in January indicates an average high-temperature of a still warm 28.5°C (83.3°F), nearly consistent with the 29.2°C (84.6°F) of December. In Riung, the January nights are characterized by an average low-temperature of 26.3°C (79.3°F), a minor dip from daytime readings.Heat index
January's heat index is estimated at a hot 33°C (91.4°F). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.It is essential to grasp that the heat index's numbers are for shade and light wind settings. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', offers an insight into how hot it feels when we factor in moisture content. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
Humidity
January and May, with an average relative humidity of 78%, are the most humid months.Rainfall
January is the month with the most rainfall. Rain falls for 26.3 days and accumulates 204mm (8.03") of precipitation.Sea temperature
In Riung, in January, the average water temperature is 29.6°C (85.3°F).Note: Water temperature from 25°C (77°F) to 29°C (84.2°F) is considered very warm, making water activities enjoyable for prolonged periods without any uncomfortable sensations.
Daylight
In January, the average length of the day in Riung is 12h and 33min.On the first day of January in Riung, sunrise is at 05:40 and sunset at 18:17. On the last day of the month, sunrise is at 05:54 and sunset at 18:23 WITA.
Sunshine
In Riung, the average sunshine in January is 10.3h.UV index
The months with the highest UV index in Riung 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 value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 7 during January leads to these advisories:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be vigilant! The Sun's UV rays get a boost from sand and water reflections.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Riung, Indonesia
- Average high temperature in January: 28.5°C
The warmest month (with the highest average high temperature) is November (29.3°C).
The month with the lowest average high temperature is July (26.7°C).
- Average low temperature in January: 26.3°C
The month with the highest average low temperature is December (26.7°C).
The coldest month (with the lowest average low temperature) is August (24°C).
Average pressure in January
Riung, Indonesia
- Average pressure in January: 1007.9mbar
The month with the highest atmospheric pressure is August (1012.1mbar).
The months with the lowest atmospheric pressure are January and December (1007.9mbar).
Average wind speed in January
Riung, Indonesia
- Average wind speed in January: 9.7km/h
The windiest month (with the highest average wind speed) is July (10.7km/h).
The calmest month (with the lowest average wind speed) is November (6.2km/h).
Average humidity in January
Riung, Indonesia
- Average humidity in January: 78%
The months with the highest relative humidity are January and May (78%).
The months with the lowest relative humidity are August and October (74%).
Average rainfall in January
Riung, Indonesia
- Average rainfall in January: 204mm
The wettest month (with the highest rainfall) is January (204mm).
The driest month (with the least rainfall) is August (8mm).
Average rainfall days in January
Riung, Indonesia
- Average rainfall days in January: 26.3 days
The month with the highest number of rainy days is December (26.6 days).
The month with the least rainy days is August (5.5 days).
Average sea temperature in January
Riung, Indonesia
- Average sea temperature in January: 29.6°C
The best month for swimming (with the highest average sea temperature) is December (30.7°C).
The coldest month (with the lowest average sea temperature) is July (27.6°C).
Average daylight in January /
Average sunshine in January
Riung, Indonesia
- Average daylight in January: 12h and 36min
The month with the longest days is December (Average daylight: 12h and 36min).
The month with the shortest days is June (Average daylight: 11h and 36min).
- Average sunshine in January: 10h and 18min
The month with the most sunshine is December (Average sunshine: 10h and 42min).
The month with the least sunshine is June (Average sunshine: 7h and 0min).
Average sunshine days in January
Riung, Indonesia
- Average sunshine days in January: 2.7 days
The month with the most sunshine days is August (22.1 days).
The month with the least sunshine days is December (2 days).
Average UV index in January
Riung, 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
Riung, Indonesia
- Average cloud cover in January: 39
The month with the most cloud cover is January (Cloud cover 39).
The month with the least cloud cover is September (Cloud cover 12).
Average visibility in January
Riung, Indonesia
- Average visibility in January: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).





