The climate of Banjarmasin
Banjarmasin, located in
Indonesia, experiences Af climate according to the Köppen climate classification. This is the designation for Tropical Rainforest climate, characterized by high temperatures and heavy rainfall year-round. Interestingly, Banjarmasin's geographical position within the equatorial region contributes significantly to these climate attributes.
Throughout the year, the city experiences minimal temperature fluctuations with an average of ambient air highs oscillating from 30.8°C (87.4°F) to 33.1°C (91.6°F). Meanwhile, low-temperature averages stay within a range from 23.3°C (73.9°F) to 25.2°C (77.4°F). This indicates a consistently warm temperature regime, with more or less consistent temperature levels, both in daylight and after sunset.
In terms of rainfall, large amounts are observed all year round, ranging from 33mm (1.3") to 257mm (10.12"), emphasizing the tropical humid environment of the region. The city also has a high relative humidity level from 73% to 83%, adding to the overall moist and warm feel. Notable months stand out during this period, such as the drier months from
July to
September, where there is less rainfall accompanied by fewer rain days.
The sea temperature, fundamental for visitors interested in water activities, varies slightly throughout the year. The range extends from 28.2°C (82.8°F) to 29.8°C (85.6°F), highlighting the overall warm sea temperatures well-suited for comfortable swimming all year round.
Wind speeds in Banjarmasin maintain a steady pace all year, with the highest gusts observed from September to
February with a top speed of 12.9km/h (8mph).
The best time to visit Banjarmasin
Due to the consistent weather pattern of
Banjarmasin, deciding when to visit boils down to slight weather variances and personal preferences. Nevertheless, if avoiding heavy rainfall while still enjoying warm temperatures is a priority, then the summer months, from
July to
September, could be ideal. During this period, an average rainfall of around 37mm (1.46") per month is observed compared to a high of 257mm (10.12") in
December. There is also a decline in rain days, averaging between 8 and 10.6 days a month, permitting more outdoor activity and exploration opportunities. The sea temperature hovering around a warm 28.5°C (83.3°F) in July, guarantees suitable conditions for water activities.
The worst time to visit Banjarmasin
For those who wish to avoid days with heavy rainfall and high humidity, the months of
November to
January would be less desirable for a visit. In these months, rainfall averages climb to higher totals of 168mm (6.61"), 257mm (10.12") and 199mm (7.83") respectively. Visibly, the weather is dominated by an increase in downpours, which may limit outdoor activities and travel plans. Additionally, unique to this period is an increase in average relative humidity from 78% to 80% and above, potentially adding discomfort due to enhanced moisture.
Spring weather in Banjarmasin
In
Banjarmasin, variations in weather parameters during spring months are slight.
March sees an ambient temperature high of 31°C (87.8°F) and a low of 24.3°C (75.7°F). Similar figures continue into
May, though with a slight rise in low temperatures, emphasizing the constant warm climate of the city. March to May also sees a decline in rainfall from an average of 203mm (7.99") to 120mm (4.72"). Daylight and sunshine hours show a subtle decrease from 12.1 hours to 11.9 hours, and 8.5 hours to 7.2 hours, respectively.
Summer weather in Banjarmasin
In contrast to many climates globally, the summer period in
Banjarmasin, from
June to
August, offers lower rainfall levels, with figures dropping to 44mm (1.73") in
July. This period also sees a decrease in rain days, offering more dry days for outdoor activities. While daytime temperatures remain consistent around 30.8°C (87.4°F), night temperatures show a slight dip to 23.3°C (73.9°F) in June, making summer nights relatively cooler.
Autumn weather in Banjarmasin
Autumn introduces an increase in the level of rainfall from 35mm (1.38") in
September to 168mm (6.61") by
November. This period also sees an increase in the average number of rain days. Ambient temperatures remain fairly constant, while sea temperatures increase slightly, reaching a peak 29.8°C (85.6°F) in November.
Winter weather in Banjarmasin
Winter in
Banjarmasin is characterized by high rainfall, peaking at 257mm (10.12") in
December. The modest decline in temperatures observed during the earlier part of the year becomes obsolete, yet the climate remains warm, with high temperatures averaging around 30.9°C (87.6°F) and lows around 24.9°C (76.8°F). Notably, daylight hours in this period remain relatively constant from 12.3 hours in December, supporting outdoor activities despite the high rainfall levels.
Weather in January
January commences the year with moderate warmth and significant rainfall for
Banjarmasin,
Indonesia, with temperatures mostly ranging from 24.8°C (76.6°F) to 30.8°C (87.4°F). This month sets the pace for an intense humidity and pressure, paving the way for the monsoon season.
Weather in January » Weather in February
The climate in
Banjarmasin,
Indonesia, changes gradually with
February displaying a similar pattern to
January. There is slightly less rainfall, indicating a gradual shift from the monsoon season; however, this does not significantly alter the high relative humidity levels.
Weather in February »Weather in March
March exhibits a minor shift in the overall climate conditions with a further reduction in rainfall. This slight decrease is well accommodated by reduced cloud coverage, which in turn allows more sunlight to penetrate during the day.
Weather in March »
Weather in April
The weather conditions in
April for
Banjarmasin,
Indonesia, start to present an observable transition from the preceding wet conditions. With the city exiting the monsoon season, less rainfall is recorded, and the high levels of humidity start to retreat.
Weather in April »Weather in May
May heralds the warm season in
Banjarmasin,
Indonesia. This change manifests through appreciable decreases in rainfall and humidity, ushering in a drier season. With the city brave against excessive rains, more sunlight filters through inviting locals and tourists to explore Banjarmasin.
Weather in May » Weather in June
June sustains the warmer and drier conditions experienced in
May. Reduced relative humidity and rainfall levels mark a great deviation from the initial monsoon season experienced earlier in the year. The reduced cloud cover allows for more considerable sunshine hours, and the sea temperature remains conducive for water activities.
Weather in June »
Weather in July
Continuing the fine weather trend,
July heightens the dry season experienced in
Banjarmasin,
Indonesia. Drier conditions imply fewer rains, consequently leading to a lower relative humidity level. Despite the high daytime temperatures, the nights experience slightly cooler temperatures.
Weather in July »Weather in August
August maintains the dry spell, introducing little changes from
July in
Banjarmasin,
Indonesia. This weather pattern encourages both local and international tourists, taking advantage of the consistent nice weather. The continuously high sea temperatures make it a perfect time to explore the city's clear water attractions.
Weather in August » Weather in September
Though
September signals the commencement of the gradual return to a wetter season,
Banjarmasin,
Indonesia, still benefits from the residual warmer weather from
August. Slightly increased rainfall does not drastically affect the prevailing favorable weather conditions.
Weather in September »
Weather in October
October exemplifies a more pronounced transition into the rainy season from the dry spell experienced in
Banjarmasin,
Indonesia. Slight increases in rainfall and cloud cover become prominent, though temperatures stay relatively constant.
Weather in October » Weather in November
November increases the pace to embrace the rainy season in
Banjarmasin,
Indonesia. Marked increases in the relative humidity and cloud cover become prevalent, indicating a return to the familiar monsoon season. Despite the notable reductions in sunshine hours due to increased rainfall, outdoor activities continue albeit with reduced frequency.
Weather in November » Weather in December
Concluding the year,
December reinforces the return of monsoon weather for
Banjarmasin,
Indonesia. Higher rainfall levels accompany humid conditions and lower visibility levels stemming from the high cloud cover percentage. While these characteristics persist from
November, the month's temperatures remain fairly stable.
Weather in December » [Resources]