January weather forecast
Citayam, Indonesia

January

Weather in January

January, like December, in Citayam, Indonesia, is another warm summer month, with temperature in the range of an average high of 29.5°C (85.1°F) and an average low of 24.4°C (75.9°F).

Temperature

Citayam's coldest weather arrives in January, when temperatures average a high of 29.5°C (85.1°F) and a low of 24.4°C (75.9°F).

Heat index

January's heat index is appraised at a very hot 35°C (95°F). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.

Humidity

The average relative humidity in January is 76%.

Rainfall

In Citayam, during January, the rain falls for 28 days and regularly aggregates up to 158mm (6.22") of precipitation. Throughout the year, there are 290 rainfall days, and 1580mm (62.2") of precipitation is accumulated.

Daylight

In Citayam, the average length of the day in January is 12h and 27min.
On the first day of January, sunrise is at 05:41 and sunset at 18:10. On the last day of the month, sunrise is at 05:54 and sunset at 18:18 WIB.

Sunshine

The average sunshine in January is 9h.

UV index

January is the month with the lowest UV index, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 6 during January translates into the following guidance:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.

Frequently asked questions

What is the coldest time of year?
January proves to be the coldest month, recording an average maximum temperature of 29.5°C (85.1°F) and a minimum temperature of 24.4°C (75.9°F).
How hot is it in Citayam in January?
The high-temperature, in January, in Citayam, is 29.5°C (85.1°F), while the low-temperature averages to 24.4°C (75.9°F). In January, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is appraised at 35°C (95°F).
What is the average humidity in January?
In January, the average relative humidity is 76%.
How much does it rain in Citayam in January?
In Citayam, during January, the rain falls for 28 days and regularly aggregates up to 158mm (6.22") of precipitation.
How many hours of daylight does Citayam have in January?
In January, the average day length is 12h and 27min.
When is the sunrise / sunset in January?
On the first day of January, sunrise is at 05:41 and sunset at 18:10. On the last day of the month, sunrise is at 05:54 and sunset at 18:18 WIB.
How long on average sun shines in January?
The average sunshine duration in January is 9h.
What is the month with the lowest UV index in Citayam?
January is the month with the lowest UV index, with an average maximum UV index of 6.
What is the UV index intensity in January?
The average daily maximum UV index in January is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in January
Citayam, Indonesia
  • Average high temperature in January: 29.5°C

The warmest month (with the highest average high temperature) is October (32°C).
The month with the lowest average high temperature is January (29.5°C).

  • Average low temperature in January: 24.4°C

The month with the highest average low temperature is November (25°C).
The coldest month (with the lowest average low temperature) is July (23.1°C).

Average pressure in January
Citayam, Indonesia
  • Average pressure in January: 1009.7mbar

The month with the highest atmospheric pressure is September (1011.1mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).

Average wind speed in January
Citayam, Indonesia
  • Average wind speed in January: 9.8km/h

The windiest month (with the highest average wind speed) is January (9.8km/h).
The calmest month (with the lowest average wind speed) is November (6.6km/h).

Average humidity in January
Citayam, Indonesia
  • Average humidity in January: 76%

The month with the highest relative humidity is February (78%).
The months with the lowest relative humidity are September and October (68%).

Average rainfall in January
Citayam, Indonesia
  • Average rainfall in January: 158mm

The wettest month (with the highest rainfall) is March (207mm).
The driest month (with the least rainfall) is August (59mm).

Average rainfall days in January
Citayam, Indonesia
  • Average rainfall days in January: 28 days

The month with the highest number of rainy days is March (28.5 days).
The month with the least rainy days is August (16.4 days).

Average daylight in January /
Average sunshine in January
Citayam, Indonesia
  • Average daylight in January: 12h and 2min

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 0min

The month with the most sunshine is March (Average sunshine: 9h and 54min).
The month with the least sunshine is July (Average sunshine: 7h and 6min).

Average sunshine days in January
Citayam, Indonesia
  • Average sunshine days in January: 2.1 days

The month with the most sunshine days is August (10.7 days).
The month with the least sunshine days is February (0.9 days).

Average UV index in January
Citayam, Indonesia
  • Average UV index in January: 6

The months with the highest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is January (UV index 6).

Average cloud cover in January
Citayam, Indonesia
  • Average cloud cover in January: 47

The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 25).

Average visibility in January
Citayam, Indonesia
  • Average visibility in January: 9km

The months with the highest visibility are May, June, July, August, September, October and December (10km).
The months with the lowest visibility are January, February, March, April and November (9km).

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