January weather forecastCiwandan, Indonesia
January
Weather in January
January, the same as December, is a moderately hot summer month in Ciwandan, Indonesia, with an average temperature fluctuating between 25.6°C (78.1°F) and 29.6°C (85.3°F).Temperature
January is the month when Ciwandan experiences its coldest temperatures, averaging a high of 29.6°C (85.3°F) and a low of 25.6°C (78.1°F).Heat index
For most parts of January, the heat index is computed to be a fiery hot 35°C (95°F). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful 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.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.
Humidity
In Ciwandan, the average relative humidity in January is 76%.Rainfall
The months with the most rainfall are January and February, with an average 180mm (7.09") of precipitation.Daylight
In Ciwandan, Indonesia, the average length of the day in January is 12h and 26min.On the first day of the month, sunrise is at 05:45 and sunset at 18:13. On the last day of January, sunrise is at 05:58 and sunset at 18:20 WIB.
Sunshine
In January, the average sunshine is 9.1h.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 reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In January, the maximum UV index of 7 suggests these recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Ciwandan, Indonesia
- Average high temperature in January: 29.6°C
The warmest month (with the highest average high temperature) is October (31.6°C).
The month with the lowest average high temperature is January (29.6°C).
- Average low temperature in January: 25.6°C
The months with the highest average low temperature are May and November (26°C).
The coldest month (with the lowest average low temperature) is August (24.5°C).
Average pressure in January
Ciwandan, Indonesia
- Average pressure in January: 1009.7mbar
The month with the highest atmospheric pressure is September (1011mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).
Average wind speed in January
Ciwandan, Indonesia
- Average wind speed in January: 11.3km/h
The windiest months (with the highest average wind speed) are January and December (11.3km/h).
The calmest month (with the lowest average wind speed) is September (6.2km/h).
Average humidity in January
Ciwandan, Indonesia
- Average humidity in January: 76%
The months with the highest relative humidity are February and March (78%).
The months with the lowest relative humidity are September and October (71%).
Average rainfall in January
Ciwandan, Indonesia
- Average rainfall in January: 180mm
The wettest months (with the highest rainfall) are January and February (180mm).
The driest month (with the least rainfall) is August (29mm).
Average rainfall days in January
Ciwandan, Indonesia
- Average rainfall days in January: 28.8 days
The month with the highest number of rainy days is January (28.8 days).
The month with the least rainy days is August (11.3 days).
Average daylight in January /
Average sunshine in January
Ciwandan, Indonesia
- Average daylight in January: 12h and 24min
The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 48min).
- Average sunshine in January: 9h and 6min
The month with the most sunshine is September (Average sunshine: 9h and 18min).
The months with the least sunshine are June and July (Average sunshine: 7h and 12min).
Average sunshine days in January
Ciwandan, Indonesia
- Average sunshine days in January: 0.6 days
The month with the most sunshine days is August (16.9 days).
The month with the least sunshine days is January (0.6 days).
Average UV index in January
Ciwandan, 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
Ciwandan, Indonesia
- Average cloud cover in January: 49
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in January
Ciwandan, 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).





