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Contents
- The climate of Tarakan
- The best time to visit Tarakan
- The worst time to visit Tarakan
- Spring weather in Tarakan
- Summer weather in Tarakan
- Autumn weather in Tarakan
- Winter weather in Tarakan
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
The climate of Tarakan
Tarakan, situated in Indonesia, experiences a predominant Tropical Rainforest climate, characterized by the Köppen climate classification as 'Af'. This classification provides insight into the high temperatures, extensive rainfall, and high humidity values that persist throughout the year.
While navigating through the changing seasons, one observes the temperature ranges. These consistently high temperatures vary slightly, with the minimum average being 25.2°C (77.4°F) in February and the maximum average reaching a pick of 30.7°C (87.3°F) in May. The humidity hovers around the high 70s, indicating a moist atmosphere.
The precipitation pattern compliments this moist environment with substantial rainfall all year round. The least rainfall recorded is approximately 136mm (5.35") in September while the highest leaps to 253mm (9.96") in December. Complementing this, the number of rainfall days a month ranges from 22.8 days to a high of 30 days.
Brightness throughout the year intertwines with levels of sunshine and daylight hours. On average, Tarakan experiences around 12 hours of daylight while the sunshine hours fluctuate moderately between 7.8 hours to a maximum of 10.4 hours. Conversely, cloud cover remains moderate, with cloud coverage varying between 34% to 43%, in which September and January have the least and most cloud cover, respectively.
While navigating through the changing seasons, one observes the temperature ranges. These consistently high temperatures vary slightly, with the minimum average being 25.2°C (77.4°F) in February and the maximum average reaching a pick of 30.7°C (87.3°F) in May. The humidity hovers around the high 70s, indicating a moist atmosphere.
The precipitation pattern compliments this moist environment with substantial rainfall all year round. The least rainfall recorded is approximately 136mm (5.35") in September while the highest leaps to 253mm (9.96") in December. Complementing this, the number of rainfall days a month ranges from 22.8 days to a high of 30 days.
Brightness throughout the year intertwines with levels of sunshine and daylight hours. On average, Tarakan experiences around 12 hours of daylight while the sunshine hours fluctuate moderately between 7.8 hours to a maximum of 10.4 hours. Conversely, cloud cover remains moderate, with cloud coverage varying between 34% to 43%, in which September and January have the least and most cloud cover, respectively.
The best time to visit Tarakan
Consider May as the most favorable time for a visit to Tarakan as it has the warmest average temperature of 30.7°C (87.3°F) and records the highest average hours of sunshine at 10.4 hours. Furthermore, it has moderately low rainfall of 205mm (8.07"), which is significantly less compared to other months. Visitors might enjoy the balance between the warm weather, abundant sunshine, and moderate rainfall during this period.
The worst time to visit Tarakan
One should approach a trip in December cautiously as it harbors the highest rainfall of 253mm (9.96") while the number of rainfall days is around 29.5. As a result, the overall weather could be detrimentally affected as the high rainfall coincides with the lowest number of sunshine days, making it less appealing for outdoor activities.
Spring weather in Tarakan
Although the notion of Spring does not universally apply to a tropical climate such as Tarakan, the period from March through May does bring slight weather variations. The average high temperature gradually increases, soaring from 29.4°C (84.9°F) in March to crest at 30.7°C (87.3°F) in May. Simultaneously, the average low temperature rises marginally, from 25.7°C (78.3°F) to 26.5°C (79.7°F) within the same period. Rainfall oscillates from 167mm (6.57") in March to 205mm (8.07") in May, corresponding to relative rainfall days of 28.3 days and 28.1 days, respectively.
Summer weather in Tarakan
The phase from June to August demarcates Tarakan's "summer" period. Temperature evolution reflects a slight decrease, with the average high moving from 30.3°C (86.5°F) in June to 30°C (86°F) in August. The low temperature also exhibits similar behavior, falling from 26.3°C (79.3°F) to 26°C (78.8°F). The period also registers lesser rainfall, with figures declining from 145mm (5.71") to 160mm (6.3"), and rainfall days range from 22.8 days to 27.8 days between June and August.
Autumn weather in Tarakan
Tarakan's "Autumn," defined from September to November, shows little temperature fluctuation. Average high temperatures range narrowly from 30.3°C (86.5°F) to 29.9°C (85.8°F), while low temperatures move from 25.9°C (78.6°F) to 26.2°C (79.2°F). Rainfall increases, rising from 136mm (5.35") in September to 210mm (8.27") in November, evidencing the returning wet season.
Winter weather in Tarakan
"Winter" months from December to February in Tarakan pose an increase in rainfall. December witnesses the highest rainfall, 253mm (9.96"), with 29.5 days of rain. The temperature remains relatively stable, between an average high from 29.8°C (85.6°F) to 29.1°C (84.4°F) and an average low from 26.1°C (79°F) to 25.4°C (77.7°F). There is a slight decline in conditions due to less sunshine hours and increased rainfall during these months.
Weather in January
January weather in Tarakan, Indonesia, is characterized by uncomfortably high humidity and significant precipitation. The city experiences its highest rainfall, a whopping 215mm (8.46"), setting the tone for the rain-laden days ahead. Weather in January »
Weather in February
The weather in February is slightly different from January, with rainfall lessening, while temperature and wind speed increase. Due to the slight increase in wind speed, sea temperatures maintain a consistent 28°C (82.4°F). Additionally, sunshine hours increase by a small but noteworthy amount from January, providing a bit more warmth to the weather. Weather in February »
Weather in March
March proves to be a turning point from the previously noticeable drop in rainfall. The amount of rainy days increase, yet it still plays host to a noticeable increase in sunshine hours. Wind speeds maintain a steady pace from the previous month, contributing to uniform sea temperature. Weather in March »
Weather in April
Weather in April in Tarakan, Indonesia experiences subtle changes with temperatures reaching highs of 30°C (86°F). This increases the warmth when compared to March but still falls within comfortable levels. Days in April take a fascinating turn with extended daylight hours, making the days feel longer and more enjoyable. Weather in April »
Weather in May
May ushers in the height of sunshine hours in Tarakan, Indonesia, with a generous 10.4 hours of sun. Despite this, humidity levels remain constant, making the weather a bit oppressive. Interestingly, wind speeds dip slightly, providing mild breezes that don't do much to alleviate the humidity. Weather in May »
Weather in June
The transition from May to June brings about an evident decrease in sunshine hours, despite maintaining the same daylight hours. This implies that cloudy skies could be a common sight during this month. Even with fewer sunshine hours, the average high temperature remains relatively unaffected. Weather in June »
Weather in July
In the heart of the summer, July brings a remarkable increase in windy days with an average speed of 9km/h (5.6mph). The combination of these windy conditions, stable sea temperatures, and constant daylight hours brings a sense of balance to the weather in July. Weather in July »
Weather in August
August continues with the familiar trend of winds with a marginal increase compared to July. Temperatures marginally rise back up, reaching an average high of 30.3°C (86.5°F). That being said, the climate remains bearable due to the constant sea temperatures that help cool the city. Weather in August »
Weather in September
Tarakan, Indonesia, experiences a swift drop in rainfall in September, a significant dip to 136mm (5.35") from August. This heralds the last leg of the dry season in this region. Sunshine hours, however, incline slightly giving an impression of a warmer month. Weather in September »
Weather in October
Jumping forward to October, there's an evident resurgence in the rainfall with a sharp climb from September. Although rainfall increases significantly, the number of rainy days remains stable from September, implying heavy downpours on these days. Weather in October »
Weather in November
In November, the approach of the wet season becomes undeniable as rainfall mounts to 210mm (8.27"). Alertness to changes in the sky becomes crucial as there's a hike in rainy days from the preceding month. While November may be marked by significant rainfall, the temperature remains consistent with previous months. Weather in November »
Weather in December
December ushers in the wet transition with continuous and sustained precipitation, hosting the second highest rainfall level for the year at 253mm (9.96"). While these lively rains persist, the daylight hours are at their shortest, suggesting most of December to be overcast. Weather in December »
Updated: Jan 25, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Tarakan?
Tarakan's January weather, marked by an average high temperature of 29.1°C (84.4°F) and an average low temperature of 25.4°C (77.7°F), is the coldest in the year.
What is the most humid month in Tarakan?
January is the most humid month in Tarakan, Indonesia, with an average relative humidity of 79%.
How many days does it rain in Tarakan?
Throughout the year, there are 329.3 rainfall days, and 2189mm (86.18") of precipitation is accumulated.
What months are the sea coldest in Tarakan?
January and February, with an average sea temperature of 28°C (82.4°F), are months with the coldest seawater.
What are the months with the highest UV index in Tarakan?
January through December, with an average maximum UV index of 7, are months with the highest UV index in Tarakan, Indonesia.
What are the months with the lowest UV index in Tarakan?
January through December, with an average maximum UV index of 7, are months with the lowest UV index.
When is the sea warmest in Tarakan?
The months with the warmest seawater in Tarakan are April through June, with an average sea temperature of 30°C (86°F).
What is the hottest time of year in Tarakan?
The warmest period tends to be May, when average temperatures fluctuate between a high of 30.7°C (87.3°F) and a low of 26.5°C (79.7°F).
What month has the most sunshine in Tarakan?
The month with the most sunshine in Tarakan is May, with an average of 10.4h of sunshine.
When are the longest days in Tarakan?
June has the longest days of the year, with an average of 12h and 18min of daylight.
What is the least humid month in Tarakan?
September and October, with an average relative humidity of 76%, are the least humid months in Tarakan.
What is the driest month in Tarakan?
September is the month with the least rainfall in Tarakan. Rain falls for 26.5 days and accumulates 136mm (5.35") of precipitation.
What is the wettest month in Tarakan?
The month with the most rainfall is December, when the rain falls for 29.5 days and typically aggregates up to 253mm (9.96") of precipitation.
What is the month with the shortest days in Tarakan?
December has the shortest days of the year in Tarakan, Indonesia, with an average of 11h and 54min of daylight.
Is there Daylight Saving Time (DST) in Tarakan?
Tarakan does not utilize Daylight Saving Time (DST). WITA timezone is used over the entire year.
What is the month with the least sunshine in Tarakan?
With an average of 7.8h of sunshine, December has the least sunshine of the year.
Average temperature
Tarakan, Indonesia
The warmest month (with the highest average high temperature) is May (30.7°C).
The month with the lowest average high temperature is January (29.1°C).
The month with the highest average low temperature is May (26.5°C).
The coldest month (with the lowest average low temperature) is February (25.2°C).
Average pressure
Tarakan, Indonesia
- Average pressure in January:
1010mbar - Average pressure in February:
1010.5mbar - Average pressure in March:
1010.4mbar - Average pressure in April:
1009.9mbar - Average pressure in May:
1009.4mbar - Average pressure in June:
1009.5mbar
- Average pressure in July:
1009.4mbar - Average pressure in August:
1009.5mbar - Average pressure in September:
1009.8mbar - Average pressure in October:
1009.6mbar - Average pressure in November:
1009mbar - Average pressure in December:
1009mbar
The month with the highest atmospheric pressure is February (1010.5mbar).
The months with the lowest atmospheric pressure are November and December (1009mbar).
Average wind speed
Tarakan, Indonesia
- Average wind speed in January:
9.2km/h - Average wind speed in February:
10.5km/h - Average wind speed in March:
9.7km/h - Average wind speed in April:
8.2km/h - Average wind speed in May:
7.8km/h - Average wind speed in June:
8.2km/h
- Average wind speed in July:
9km/h - Average wind speed in August:
9.5km/h - Average wind speed in September:
8.5km/h - Average wind speed in October:
8km/h - Average wind speed in November:
8km/h - Average wind speed in December:
8.2km/h
The windiest month (with the highest average wind speed) is February (10.5km/h).
The calmest month (with the lowest average wind speed) is May (7.8km/h).
Average humidity
Tarakan, Indonesia
The month with the highest relative humidity is January (79%).
The months with the lowest relative humidity are September and October (76%).
Average rainfall
Tarakan, Indonesia
- Average rainfall in January:
215mm - Average rainfall in February:
143mm - Average rainfall in March:
167mm - Average rainfall in April:
188mm - Average rainfall in May:
205mm - Average rainfall in June:
145mm
- Average rainfall in July:
160mm - Average rainfall in August:
165mm - Average rainfall in September:
136mm - Average rainfall in October:
202mm - Average rainfall in November:
210mm - Average rainfall in December:
253mm
The wettest month (with the highest rainfall) is December (253mm).
The driest month (with the least rainfall) is September (136mm).
Average rainfall days
Tarakan, Indonesia
- Average rainfall days in January:
30 days - Average rainfall days in February:
26.2 days - Average rainfall days in March:
28.3 days - Average rainfall days in April:
27.8 days - Average rainfall days in May:
28.1 days - Average rainfall days in June:
22.8 days
- Average rainfall days in July:
26.6 days - Average rainfall days in August:
27.8 days - Average rainfall days in September:
26.5 days - Average rainfall days in October:
27.9 days - Average rainfall days in November:
27.8 days - Average rainfall days in December:
29.5 days
The month with the highest number of rainy days is January (30 days).
The month with the least rainy days is June (22.8 days).
Average sea temperature
Tarakan, Indonesia
The best months for swimming (with the highest average sea temperature) are April, May and June (30°C).
The coldest months (with the lowest average sea temperature) are January and February (28°C).
Average daylight / Average sunshine
Tarakan, Indonesia
- Average daylight in January:
12h and 0min - Average daylight in February:
12h and 0min - Average daylight in March:
12h and 1min - Average daylight in April:
12h and 1min - Average daylight in May:
12h and 2min - Average daylight in June:
12h and 2min
- Average daylight in July:
12h and 2min - Average daylight in August:
12h and 1min - Average daylight in September:
12h and 1min - Average daylight in October:
12h and 0min - Average daylight in November:
12h and 0min - Average daylight in December:
11h and 5min
The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 11h and 54min).
- Average sunshine in January:
8h and 1min - Average sunshine in February:
8h and 4min - Average sunshine in March:
8h and 3min - Average sunshine in April:
8h and 4min - Average sunshine in May:
10h and 2min - Average sunshine in June:
9h and 1min
- Average sunshine in July:
8h and 4min - Average sunshine in August:
9h and 0min - Average sunshine in September:
9h and 5min - Average sunshine in October:
8h and 4min - Average sunshine in November:
8h and 1min - Average sunshine in December:
7h and 5min
The month with the most sunshine is May (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 7h and 48min).
Average sunshine days
Tarakan, Indonesia
- Average sunshine days in January:
0.5 days - Average sunshine days in February:
1.5 days - Average sunshine days in March:
1.9 days - Average sunshine days in April:
1.8 days - Average sunshine days in May:
2.5 days - Average sunshine days in June:
6.8 days
- Average sunshine days in July:
4 days - Average sunshine days in August:
2.8 days - Average sunshine days in September:
3.4 days - Average sunshine days in October:
2.5 days - Average sunshine days in November:
2 days - Average sunshine days in December:
1 days
The month with the most sunshine days is June (6.8 days).
The month with the least sunshine days is January (0.5 days).
Average UV index
Tarakan, Indonesia
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover
Tarakan, Indonesia
The month with the most cloud cover is January (Cloud cover 43).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility
Tarakan, Indonesia
The months with the highest visibility are February, March, June, July and September (10km).
The months with the lowest visibility are January, April, May, August, October, November and December (9km).
