Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
January
Weather in January
Temperature
Biru in January records a high-temperature average of a still warm 28.4°C (83.1°F), on par with December. Biru cools down to an average low-temperature of 21.8°C (71.2°F) throughout the month of January.Heat index
Throughout January, the heat index is computed to be a tropical 33°C (91.4°F). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.Research indicates the heat index considers values in shaded locales and with light winds. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'real feel' or 'felt air temperature', gauges the sensation of temperature factoring in the air's moisture content. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Humidity
The average relative humidity in January is 82%.Rainfall
In Biru, during January, the rain falls for 30.3 days and regularly aggregates up to 280mm (11.02") of precipitation. Throughout the year, there are 304.3 rainfall days, and 2093mm (82.4") of precipitation is accumulated.Daylight
In January, the average length of the day is 12h and 29min.On the first day of January, sunrise is at 05:36 and sunset at 18:08. On the last day of the month, sunrise is at 05:49 and sunset at 18:14 WIB.
Sunshine
In Biru, Indonesia, the average sunshine in January is 8.3h.UV index
The months with the highest UV index 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 health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In January, a daily UV index of 6 turns into the following recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in January?
What is the average humidity in January?
How many days does it rain in January?
How many hours of daylight does Biru have in January?
What time are sunrise and sunset in January?
How many hours of sunshine does Biru have in January?
What are the months with the highest UV index?
When is the lowest UV index?
How high is the UV index in January?
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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 9km
The months with the highest visibility are January and December (9km).
The month with the lowest visibility is July (7km).
