January weather forecast
Díli, East Timor

The mountainous shores in Díli, East Timor
The mountainous shores in Díli, East Timor

January

Weather in January

Describing the climate of Díli, East Timor in January, high temperature along with consistent rainfall dominates the weather. The underfoot conditions can be quite damp with high readings of rainfall up to 140mm (5.51"). Comparing to the upcoming month, February, there is negligible variation in temperature patterns, making it back-to-back months of consistent warmth and humidity in Díli. However, on the brighter side, the city experiences more than half a day of sunshine on an average which can be a delight for sun worshippers. Distributed evenly throughout the month, relatively high humidity levels can be observed, ensuring a classic tropical climate.

Temperature

During January, the average high-temperature in Díli is a still tropical 31.3°C (88.3°F), maintaining a close resemblance to that of the preceding month. Díli, in January, experiences an average temperature of 24.1°C (75.4°F) at night.

Heat index

For January, the heat index is calculated to be a blistering 42°C (107.6°F). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.
Know that the heat index computations account for shaded terrains and slight winds. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'feels like' or 'apparent temperature', combines both the air temperature and the humidity level to give a perceived human temperature. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
To offset high temperatures, the human body releases sweat which, upon evaporation, cools it down. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. Overheating can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.

Humidity

In Díli, the average relative humidity in January is 80%.

Rainfall

In Díli, in January, during 13 rainfall days, 140mm (5.51") of precipitation is typically accumulated. Throughout the year, there are 80 rainfall days, and 909mm (35.79") of precipitation is accumulated.

Sea temperature

In Díli, in January, the average water temperature is 29.6°C (85.3°F).
Note: With water temperature from 25°C (77°F) to 29°C (84.2°F), all water activities are comfortable and delightful, devoid of discomfort even for lengthened periods.

Daylight

In Díli, the average length of the day in January is 12h and 34min.
On the first day of January, sunrise is at 06:22 and sunset at 18:59. On the last day of the month, sunrise is at 06:36 and sunset at 19:05 +09.

Sunshine

The average sunshine in January is 6.1h.

UV index

The months with the highest UV index are January through April, August through December, with an average maximum UV index of 12. A UV Index of 11, and more, symbolizes an excessive health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A daily maximum UV index of 12 in January translates into the following instructions:
Execute all crucial precautions. Warding off sun exposure is non-negotiable. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Regularly apply and reapply a broad-spectrum sunscreen with a minimum SPF 30 every two hours, or straight after swimming or an outdoor activity. Notice! Sand and water reflections contribute to a stronger UV exposure.

Frequently asked questions

How hot is it in January?
During January, Díli experiences an average high-temperature of 31.3°C (88.3°F) and a low-temperature of 24.1°C (75.4°F). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in January is calculated to be 42°C (107.6°F).
What is the average humidity in January?
In January, the average relative humidity is 80%.
How many days does it rain in January?
In January, the rain falls for 13 days. Throughout January, 140mm (5.51") of precipitation is accumulated.
What is the sea water temperature in January?
In Díli, in January, the average water temperature is 29.6°C (85.3°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.
How many hours of daylight does Díli have in January?
The average day length in January is 12h and 34min.
When is the sunrise / sunset in January?
In January, on the first day of the month, sunrise is at 06:22 and sunset at 18:59. On the last day of the month, sunrise is at 06:36 and sunset at 19:05 +09.
How long on average sun shines in January?
In Díli, East Timor, the average sunshine duration in January is 6.1h.
What are the months with the highest UV index?
The months with the highest UV index are January through April, August through December, with an average maximum UV index of 12.
How high is the UV index in January?
The average daily maximum UV index in January is 12. A UV Index estimate of 11, and higher, represents an extreme health threat from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average humidity
Average rainfall
Average rainfall days
Average sea temperature
Average daylight
Average sunshine
Average UV index
Average temperature in January
Díli, East Timor
  • Average high temperature in January: 31.3°C

The warmest month (with the highest average high temperature) is April (31.5°C).
The month with the lowest average high temperature is August (30.1°C).

  • Average low temperature in January: 24.1°C

The months with the highest average low temperature are January and February (24.1°C).
The coldest month (with the lowest average low temperature) is August (20.1°C).

Average humidity in January
Díli, East Timor
  • Average humidity in January: 80%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is August (70%).

Average rainfall in January
Díli, East Timor
  • Average rainfall in January: 139.5mm

The wettest month (with the highest rainfall) is December (144.9mm).
The driest month (with the least rainfall) is September (9mm).

Average rainfall days in January
Díli, East Timor
  • Average rainfall days in January: 13 days

The months with the highest number of rainy days are January and February (13 days).
The months with the least rainy days are August and September (1 days).

Average sea temperature in January
Díli, East Timor
  • Average sea temperature in January: 29.6°C

The best month for swimming (with the highest average sea temperature) is December (30.6°C).
The coldest month (with the lowest average sea temperature) is August (27.2°C).

Average daylight in January /
Average sunshine in January
Díli, East Timor
  • Average daylight in January: 12h and 4min

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 36min).

  • Average sunshine in January: 6h and 1min

The months with the most sunshine are September and October (Average sunshine: 9h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).

Average UV index in January
Díli, East Timor
  • Average UV index in January: 12

The months with the highest UV index are January, February, March, April, August, September, October, November and December (UV index 12).
The months with the lowest UV index are June and July (UV index 10).

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