January weather forecast and climate
Díli, East Timor

A scenic view of the mountainous shores in Díli, East Timor, on a calm, sunny day
A scenic view of the mountainous shores in Díli, East Timor, on a calm, sunny day
January, the same as December, in Díli, East Timor, is another hot summer month, with average temperature ranging between min 24.1°C (75.4°F) and max 31.3°C (88.3°F).

Temperature

In January, the average high-temperature is practically the same as in December - a still tropical 31.3°C (88.3°F). In Díli, in January, the average low-temperature is 24.1°C (75.4°F).

Heat index

In January, the average heat index is calculated to a blistering 41.9°C (107.4°F). Beware - heat cramps and heat exhaustion are very likely. Heatstroke is imminent with prolonged activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'felt air temperature', 'feels like', or 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like activity, metabolic differences, pregnancy, and wind affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

In January, the average relative humidity is 80%.

Rainfall

In Díli, it is raining for 13 days, with typically 139.5mm (5.49") of accumulated precipitation. In Díli, East Timor, during the entire year, the rain falls for 80 days and collects up to 908.8mm (35.78") of precipitation.

Sea temperature

In Díli, the average seawater temperature is 29.6°C (85.3°F).
Note: 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.

Daylight

Months with the longest days in Díli are January and December, with an average of 12.6h of daylight.

Sunshine

The average sunshine in January is 6.1h.

UV index

January through April, August through December, with an average maximum UV index of 12, are months with the highest UV index. A UV Index reading of 11, and higher, represents an excessive health risk from the exposure to the Sun's UV radiation for ordinary individuals.
Note: In January, the average maximum UV index of 12 translate into the following recommendations:
Take all required precautions, as unprotected skin and eyes can burn in minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the temperature in January in Díli?

The average high-temperature, in January, in Díli, East Timor, is 31.3°C (88.3°F), while the average low-temperature is 24.1°C (75.4°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), that takes the relative humidity and factores it into the air temperature reading, in January is evaluated at 41.9°C (107.4°F).

What is the average humidity in January in Díli?

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

How much does it rain in Díli in January?

In Díli, during January, the rain falls for 13 days and regularly aggregates up to 139.5mm (5.49") of precipitation.

What is the water temperature in January in Díli?

In Díli, East Timor, the average seawater temperature in January is 29.6°C (85.3°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

When are the longest days in Díli?

Months with the longest days are January and December, with an average of 12.6h of daylight.

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

The average length of the day in January is 12.6h.

How long on average sun shines in January in Díli?

In January, the average sunshine in Díli, East Timor, is 6.1h.

What are the months with the highest UV index in Díli?

January through April, August through December, with an average maximum UV index of 12, are months with the highest UV index.

How high is the UV index in January in Díli?

In Díli, the average daily maximum UV index in January is 12. A UV Index of 11, and more, symbolizes an extreme health vulnerability from the exposure to the Sun's UV radiation.
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

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

Months with the highest number of rainy days are January and February (13 days).
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: 12.6h

Months with the longest days are January and December (Average daylight: 12.6h).
The month with the shortest days is June (Average daylight: 11.6h).

  • Average sunshine in January: 6.1h

Months with the most sunshine are September and October (Average sunshine: 9.6h).
The month with the least sunshine is February (Average sunshine: 5.8h).

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

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