January weather forecast
Bumijo, Indonesia

January

Weather in January

January, like December, in Bumijo, Indonesia, is a moderately hot summer month, with an average temperature varying between 23.3°C (73.9°F) and 28.6°C (83.5°F).

Temperature

Upon the beginning of January, Bumijo's high-temperatures register at a still moderately hot 28.6°C (83.5°F), closely mirroring the preceding month. An average low-temperature of 23.3°C (73.9°F) is expected during January.

Heat index

The heat index value for January is estimated at a hot 34°C (93.2°F). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.
One should consider that heat index numbers are for shaded settings and light wind. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.

Humidity

In January, the average relative humidity is 83%.

Rainfall

In January, the rain falls for 30.3 days. Throughout January, 209mm (8.23") of precipitation is accumulated. Throughout the year, there are 294.6 rainfall days, and 1749mm (68.86") of precipitation is accumulated.

Daylight

The average length of the day in January is 12h and 31min.
On the first day of January, sunrise is at 05:24 and sunset at 17:58. On the last day of the month, sunrise is at 05:38 and sunset at 18:05 WIB.

Sunshine

The average sunshine in January is 8.6h.

UV index

The months with the lowest UV index are January, April through September, November and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes 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:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.

Frequently asked questions

Is it hot during January?
During January, Bumijo experiences an average high-temperature of 28.6°C (83.5°F) and a low-temperature of 23.3°C (73.9°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in January is estimated at 34°C (93.2°F).
What is the average humidity in January?
In Bumijo, the average relative humidity in January is 83%.
How much does it rain in January?
In Bumijo, in January, it is raining for 30.3 days, with typically 209mm (8.23") of accumulated precipitation.
How many hours of daylight does Bumijo have in January?
In Bumijo, the average day length in January is 12h and 31min.
When are sunrise and sunset in January?
On the first day of January, sunrise is at 05:24 and sunset at 17:58. On the last day of the month, sunrise is at 05:38 and sunset at 18:05 WIB.
How many hours of sunshine does Bumijo have in January?
In January, the average sunshine duration is 8.6h.
What is the month with the lowest UV index?
January, April through September, November and December, with an average maximum UV index of 6, are months with the lowest UV index.
What is the UV index reading in January in Bumijo?
In January, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health threat 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
Bumijo, Indonesia
  • Average high temperature in January: 28.6°C

The warmest month (with the highest average high temperature) is October (29.3°C).
The month with the lowest average high temperature is July (27.7°C).

  • Average low temperature in January: 23.3°C

The months with the highest average low temperature are January and November (23.3°C).
The coldest month (with the lowest average low temperature) is August (21°C).

Average pressure in January
Bumijo, Indonesia
  • Average pressure in January: 1009.2mbar

The months with the highest atmospheric pressure are August and September (1011.8mbar).
The month with the lowest atmospheric pressure is December (1009mbar).

Average wind speed in January
Bumijo, Indonesia
  • Average wind speed in January: 9.2km/h

The windiest month (with the highest average wind speed) is August (11.6km/h).
The calmest month (with the lowest average wind speed) is April (7km/h).

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

The months with the highest relative humidity are May and June (84%).
The months with the lowest relative humidity are September and October (80%).

Average rainfall in January
Bumijo, Indonesia
  • Average rainfall in January: 209mm

The wettest month (with the highest rainfall) is March (236mm).
The driest month (with the least rainfall) is August (29mm).

Average rainfall days in January
Bumijo, Indonesia
  • Average rainfall days in January: 30.3 days

The month with the highest number of rainy days is January (30.3 days).
The month with the least rainy days is August (13.8 days).

Average daylight in January /
Average sunshine in January
Bumijo, 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: 8h and 4min

The month with the most sunshine is February (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).

Average sunshine days in January
Bumijo, Indonesia
  • Average sunshine days in January: 0.4 days

The month with the most sunshine days is August (11.1 days).
The months with the least sunshine days are January and February (0.4 days).

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

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

Average cloud cover in January
Bumijo, 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 June, July and August (Cloud cover 38).

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

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

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