January weather forecast
Jatidukuh, Indonesia

January

Weather in January

January, like December, is another hot summer month in Jatidukuh, Indonesia, with an average temperature fluctuating between 23.6°C (74.5°F) and 30.2°C (86.4°F).

Temperature

January's arrival brings an average high-temperature of a still tropical 30.2°C (86.4°F), slightly deviating from December's 31.5°C (88.7°F). Throughout January, the average low-temperature records at a warm 23.6°C (74.5°F).

Heat index

During January, the heat index is estimated at a sweltering 39°C (102.2°F). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.
Understand that the heat index values take into account shaded locations and mild winds. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', ties air temperature with relative humidity to produce the perceived temperature sensation. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.

Humidity

In Jatidukuh, the average relative humidity in January is 83%.

Rainfall

In January, the rain falls for 30.1 days. Throughout January, 261mm (10.28") of precipitation is accumulated. Throughout the year, there are 218.3 rainfall days, and 1409mm (55.47") of precipitation is accumulated.

Daylight

The average length of the day in January is 12h and 31min.
On the first day of the month, sunrise is at 05:16 and sunset at 17:50. On the last day of January, in Jatidukuh, sunrise is at 05:30 and sunset at 17:56 WIB.

Sunshine

With an average of 7.1h of sunshine, January has the least sunshine of the year.

UV index

The months with the lowest UV index in Jatidukuh are January and March, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: A maximum UV index of 6 in January translates into the following recommendations:
Shield from overexposure. Defense against sun-related harm is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.

Frequently asked questions

How hot is it in January?
The high-temperature, in January, in Jatidukuh, records 30.2°C (86.4°F), while the low-temperature is 23.6°C (74.5°F). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in January is estimated at 39°C (102.2°F).
What is the average humidity in January?
In January, the average relative humidity is 83%.
How much does it rain in January?
In Jatidukuh, during January, the rain falls for 30.1 days and regularly aggregates up to 261mm (10.28") of precipitation.
What is the average length of the day in January?
In Jatidukuh, the average day length in January is 12h and 31min.
What time are sunrise and sunset in January?
On the first day of January, sunrise is at 05:16 and sunset at 17:50. On the last day of the month, sunrise is at 05:30 and sunset at 17:56 WIB.
What is the month with the least sunshine?
With an average of 7.1h of sunshine, January has the least sunshine of the year.
How long on average sun shines in January in Jatidukuh?
In Jatidukuh, the average sunshine duration in January is 7.1h.
When is the lowest UV index?
The months with the lowest UV index in Jatidukuh are January and March, with an average maximum UV index of 6.
What is the UV index intensity in January?
In January, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health threat from exposure to Sun's UV rays.
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
Jatidukuh, Indonesia
  • Average high temperature in January: 30.2°C

The warmest month (with the highest average high temperature) is October (34.6°C).
The month with the lowest average high temperature is February (30.1°C).

  • Average low temperature in January: 23.6°C

The month with the highest average low temperature is November (24.9°C).
The coldest months (with the lowest average low temperature) are July and August (21.8°C).

Average pressure in January
Jatidukuh, Indonesia
  • Average pressure in January: 1009.1mbar

The month with the highest atmospheric pressure is August (1011.4mbar).
The month with the lowest atmospheric pressure is December (1008.7mbar).

Average wind speed in January
Jatidukuh, Indonesia
  • Average wind speed in January: 7.6km/h

The windiest month (with the highest average wind speed) is September (7.7km/h).
The calmest month (with the lowest average wind speed) is April (5.4km/h).

Average humidity in January
Jatidukuh, Indonesia
  • Average humidity in January: 83%

The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are September and October (62%).

Average rainfall in January
Jatidukuh, Indonesia
  • Average rainfall in January: 261mm

The wettest month (with the highest rainfall) is February (273mm).
The driest month (with the least rainfall) is August (6mm).

Average rainfall days in January
Jatidukuh, Indonesia
  • Average rainfall days in January: 30.1 days

The month with the highest number of rainy days is January (30.1 days).
The month with the least rainy days is August (4 days).

Average daylight in January /
Average sunshine in January
Jatidukuh, Indonesia
  • Average daylight in January: 12h and 3min

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 1min

The months with the most sunshine are August, September and October (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 7h and 6min).

Average sunshine days in January
Jatidukuh, Indonesia
  • Average sunshine days in January: 0.8 days

The month with the most sunshine days is August (26.5 days).
The month with the least sunshine days is February (0.3 days).

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

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

Average cloud cover in January
Jatidukuh, Indonesia
  • Average cloud cover in January: 52

The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are August and September (Cloud cover 17).

Average visibility in January
Jatidukuh, Indonesia
  • Average visibility in January: 8km

The months with the highest visibility are June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and March (8km).

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