January weather forecastCetan, Indonesia
January weather forecast for Cetan, Indonesia: In January, the average heat index, which combines air temperature and relative humidity, is estimated at 34°C (93.2°F). January, like December, in Cetan, Indonesia, is another warm summer month, with an average temperature fluctuating between 28.5°C (83.3°F) and 22.3°C (72.1°F).
January
Weather in January
January, like December, in Cetan, Indonesia, is another warm summer month, with an average temperature fluctuating between 28.5°C (83.3°F) and 22.3°C (72.1°F).Temperature
The introduction of January sees an average high-temperature of a still moderately hot 28.5°C (83.3°F), hardly deviating from December. Nighttime temperatures in January average to a pleasant 22.3°C (72.1°F).Heat index
In January, the heat index is estimated at a hot 34°C (93.2°F). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.It is emphasized that the heat index's values are meant for shaded zones with mild winds. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
Humidity
The months with the highest humidity are January through April, with an average relative humidity of 85%.Rainfall
In January, the rain falls for 30.5 days. Throughout January, 248mm (9.76") of precipitation is accumulated. Throughout the year, there are 276.8 rainfall days, and 2048mm (80.63") of precipitation is accumulated.Daylight
In January, the average length of the day is 12h and 31min.On the first day of January, sunrise is at 05:23 and sunset at 17:57. On the last day of the month, sunrise is at 05:37 and sunset at 18:03 WIB.
Sunshine
The months with the least sunshine in Cetan are January and December, with an average of 7h of sunshine.UV index
The months with the lowest UV index are January through August, November and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In January, the maximum UV index of 6 transforms into these recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Cetan, Indonesia
- Average high temperature in January: 28.5°C
The warmest month (with the highest average high temperature) is October (31.4°C).
The month with the lowest average high temperature is July (28.4°C).
- Average low temperature in January: 22.3°C
The month with the highest average low temperature is November (22.7°C).
The coldest month (with the lowest average low temperature) is August (20.3°C).
Average pressure in January
Cetan, Indonesia
- Average pressure in January: 1009.2mbar
The months with the highest atmospheric pressure are August and September (1011.6mbar).
The month with the lowest atmospheric pressure is December (1009mbar).
Average wind speed in January
Cetan, Indonesia
- Average wind speed in January: 6.9km/h
The windiest month (with the highest average wind speed) is September (9.7km/h).
The calmest month (with the lowest average wind speed) is April (5.6km/h).
Average humidity in January
Cetan, Indonesia
- Average humidity in January: 85%
The months with the highest relative humidity are January, February, March and April (85%).
The months with the lowest relative humidity are September and October (74%).
Average rainfall in January
Cetan, Indonesia
- Average rainfall in January: 248mm
The wettest month (with the highest rainfall) is March (313mm).
The driest month (with the least rainfall) is August (29mm).
Average rainfall days in January
Cetan, Indonesia
- Average rainfall days in January: 30.5 days
The month with the highest number of rainy days is January (30.5 days).
The month with the least rainy days is August (8.9 days).
Average daylight in January /
Average sunshine in January
Cetan, Indonesia
- Average daylight in January: 12h and 30min
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 42min).
- Average sunshine in January: 7h and 0min
The months with the most sunshine are August and September (Average sunshine: 9h and 12min).
The months with the least sunshine are January and December (Average sunshine: 7h and 0min).
Average sunshine days in January
Cetan, Indonesia
- Average sunshine days in January: 0.3 days
The month with the most sunshine days is August (19.4 days).
The month with the least sunshine days is February (0.2 days).
Average UV index in January
Cetan, Indonesia
- Average UV index in January: 6
The months with the highest UV index are September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, November and December (UV index 6).
Average cloud cover in January
Cetan, Indonesia
- Average cloud cover in January: 60
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in January
Cetan, Indonesia
- Average visibility in January: 8km
The months with the highest visibility are June, July, August, September and October (9km).
The months with the lowest visibility are January, February, March, April, May, November and December (8km).
