January weather forecast
Biru, Indonesia

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Weather in January

January, the same as December, is a moderately hot summer month in Biru, Indonesia, with an average temperature varying between 21.8°C (71.2°F) and 28.4°C (83.1°F).

Temperature

Biru starts January with an average high-temperature of a still moderately hot 28.4°C (83.1°F), staying steady with the temperature in December. In Biru, the nighttime temperature averages to an agreeable 21.8°C (71.2°F) during January.

Heat index

January's average heat index is evaluated at a hot 33°C (91.4°F). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', integrates the air's temperature and its humidity to showcase the felt temperature by people. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.

Humidity

The average relative humidity in January in Biru is 82%.

Rainfall

In Biru, in January, it is raining for 30.3 days, with typically 280mm (11.02") of accumulated precipitation. Throughout the year, there are 304.3 rainfall days, and 2093mm (82.4") of precipitation is accumulated.

Daylight

In Biru, the average length of the day in January is 12h and 29min.
On the first day of the month, sunrise is at 05:36 and sunset at 18:08. On the last day of January, in Biru, Indonesia, sunrise is at 05:49 and sunset at 18:14 WIB.

Sunshine

In January, the average sunshine is 8.3h.

UV index

The months with the highest UV index in Biru are January through December, with an average maximum UV index of 6. January through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: The daily high UV index of 6 during January translates into the following recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.

Frequently asked questions

How hot is it in Biru in January?

During January, Biru experiences an average high-temperature of 28.4°C (83.1°F) and a low-temperature of 21.8°C (71.2°F). In January, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 33°C (91.4°F).

What is the average humidity in January in Biru?

The average relative humidity in January is 82%.

How much does it rain in Biru in January?

In Biru, during January, the rain falls for 30.3 days and regularly aggregates up to 280mm (11.02") of precipitation.

What is the average length of the day in January in Biru?

The average day length in January in Biru, Indonesia, is 12h and 29min.

When are sunrise and sunset in January in Biru?

In January, on the first day of the month, sunrise is at 05:36 and sunset at 18:08. On the last day of the month, in Biru, sunrise is at 05:49 and sunset at 18:14 WIB.

How many hours of sunshine does Biru have in January?

In Biru, the average sunshine duration in January is 8.3h.

What is the month with the highest UV index in Biru?

The months with the highest UV index in Biru, Indonesia, are January through December, with an average maximum UV index of 6.

When is the lowest UV index in Biru?

The months with the lowest UV index in Biru are January through December, with an average maximum UV index of 6.

What is the UV index reading in January in Biru?

In January, the average daily maximum UV index in Biru, Indonesia, is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Biru, Indonesia

Average temperature in January - Biru, Indonesia
  • Average high temperature in January: 28.4°C

The warmest month (with the highest average high temperature) is October (28.9°C).
The month with the lowest average high temperature is July (27°C).

  • Average low temperature in January: 21.8°C

The months with the highest average low temperature are January and December (21.8°C).
The coldest month (with the lowest average low temperature) is August (19.2°C).

Average pressure in January
Biru, Indonesia

Average pressure in January - Biru, Indonesia
  • Average pressure in January: 1009.6mbar

The month with the highest atmospheric pressure is September (1011.7mbar).
The month with the lowest atmospheric pressure is December (1009.4mbar).

Average wind speed in January
Biru, Indonesia

Average wind speed in January - Biru, Indonesia
  • Average wind speed in January: 4.5km/h

The windiest month (with the highest average wind speed) is September (6.7km/h).
The calmest month (with the lowest average wind speed) is February (4.1km/h).

Average humidity in January
Biru, Indonesia

Average humidity in January - Biru, Indonesia
  • Average humidity in January: 82%

The months with the highest relative humidity are May, June and July (86%).
The months with the lowest relative humidity are September and October (81%).

Average rainfall in January
Biru, Indonesia

Average rainfall in January - Biru, Indonesia
  • Average rainfall in January: 280mm

The wettest month (with the highest rainfall) is March (310mm).
The driest month (with the least rainfall) is August (30mm).

Average rainfall days in January
Biru, Indonesia

Average rainfall days in January - Biru, Indonesia
  • Average rainfall days in January: 30.3 days

The month with the highest number of rainy days is March (30.6 days).
The month with the least rainy days is August (16.4 days).

Average daylight in January /
Average sunshine in January
Biru, Indonesia

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

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 42min).

  • Average sunshine in January: 8h and 2min

The month with the most sunshine is October (Average sunshine: 8h and 48min).
The month with the least sunshine is July (Average sunshine: 6h and 18min).

Average sunshine days in January
Biru, Indonesia

Average sunshine days in January - Biru, Indonesia
  • Average sunshine days in January: 0.4 days

The month with the most sunshine days is August (10.8 days).
The months with the least sunshine days are February and March (0.2 days).

Average UV index in January
Biru, Indonesia

Average UV index in January - Biru, Indonesia
  • Average UV index in January: 6

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

Average cloud cover in January
Biru, Indonesia

Average cloud cover in January - Biru, Indonesia
  • Average cloud cover in January: 52

The months with the most cloud cover are January and February (Cloud cover 52).
The month with the least cloud cover is October (Cloud cover 42).

Average visibility in January
Biru, Indonesia

Average visibility in January - Biru, Indonesia
  • Average visibility in January: 9km

The months with the highest visibility are January and December (9km).
The month with the lowest visibility is July (7km).

Biru, Indonesia

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