Climate and monthly weather forecast
Dieng Plateau, Indonesia

Situated within Indonesia's tropical region, Dieng Plateau manifests an Af or Tropical Rainforest climate, as described by the Köppen climate classification. Except for a relatively drier period from June to September, the area receives substantial rainfall throughout the year. Highs typically fluctuate around 18.5°C (65.3°F) with minimum monthly average temperatures varying from 7.6°C (45.7°F) to 10.4°C (50.7°F). Days in this region gets an average of 11.9 hours of daylight, with a mild decline to 11.7 hours by mid-year and slightly longer during the extremes of the year.

The hallmark of Dieng Plateau's climate is a constant dampness provided by the average monthly rainfall amounts of 249mm (9.8") to 434mm (17.09"), with the heaviest rainfall recorded between February and April. Conversely, the months from June to September experience a dip in the precipitation levels, reaching a yearly low of 35mm (1.38") in August. Climatic fluctuations are placid when it comes to daylight hours, with slight variations between 11.7 hours to 12.5 hours, longer near the year's end.

Temperature variations in Dieng Plateau are minimal and consistent throughout the year. The months of November registers the highest average high temperatures of 19.2°C (66.6°F) while the coolest month is August on record with a low average of 7.6°C (45.7°F). This evenly distributed temperature regime combined with persistent rainfall contributes to the uniqueness of the Dieng Plateau climate.

Given the relatively constant temperature range, the rainfall variation serves as the distinguishing factor for identifying the ideal visiting period. The period from June to September, featuring lowered precipitation amounts of 35mm (1.38") to 83mm (3.27"), emerges as the optimal time to explore the Dieng Plateau and its wonders. During this period, visitors can better enjoy outdoor activities without the likelihood of rain causing interruptions or disruptions.

The months of February to April earmark the peak of the rainy season in Dieng Plateau, with average monthly rainfall standing between 430mm (16.93") and 434mm (17.09"). It is not advisable to plan trips during these months as the excessive rainfall could impede outdoor activities and render some local roads inaccessible due to flooding.

There is no distinct spring season in the traditionally tropical Dieng Plateau. However, the March-May period marks the transition from the high rainfall months to the moderately dry months. During this period, the average temperature ranges from 18.5°C (65.3°F) to 18.6°C (65.5°F) while the average lows hover between 10.1°C (50.2°F) to 10.4°C (50.7°F). The average monthly rainfall recedes from 434mm (17.09") to 153mm (6.02") by the end of this period, indicating a gradual shift towards dryer conditions.

Summer in Dieng Plateau corresponds to the period from June to August. Characterized by the least rainfall throughout the year, these months see average temperatures ranging from 18.2°C (64.8°F) to 18.5°C (65.3°F). The lows during this season range from 7.6°C (45.7°F) to 9.2°C (48.6°F). This time period also boasts the shortest daylight hours ranging from 11.7 hours to 11.9 hours.

The September to November period in Dieng Plateau sees a gradual escalation of rainfall from 57mm (2.24") to 230mm (9.06"), indicating the advent of the rainy season. The high temperatures during this period range from 18.5°C (65.3°F) to 19.2°C (66.6°F), while the lows range from 8.7°C (47.7°F) to 10.3°C (50.5°F). The daylight hours increase marginally from 12.1 hours to 12.4 hours, revealing a subtle transition towards the year-end period with longer daylight.

Winter in Dieng Plateau registers the heaviest rainfall with the wettest month, December, witnessing an average precipitation rate of 388mm (15.28"). Temperatures during this period are relatively constant with highs varying from 18.5°C (65.3°F) to 18.8°C (65.8°F) and lows from 10.1°C (50.2°F) to 10.3°C (50.5°F). The daylight hours remain steady throughout these months at 12.5 hours.

January ushers in a new year, along with the most rainfall at Dieng Plateau, Indonesia with 370mm (14.57"). The significant downpour and predictably cool temperatures create perfect conditions for cultivating crops, particularly potatoes that thrive in this region. Weather in January »

As January transitions into February, the rainfall increases slightly to reach 430mm (16.93"), ensuring the green sheen of the plateau persists. Graceful mists often descend to lightly veil the mountains and valleys, adding an ethereal quality to the landscapes. Weather in February »

The march towards spring is accompanied by a marginal increase in rainfall from 430mm (16.93") to 434mm (17.09"). Despite the regular downpours, the moderate temperatures support an array of local flora and fauna. Mornings may often greet one with dew-covered spider webs glittering in the early light or exotic birds frolicking around. Weather in March »

April experiences a substantial decrease in precipitation from 434mm (17.09") to 249mm (9.8"), signaling the arrival of drier months. This slight dry spell is welcomed by adventure enthusiasts and tourists, who make the best of the improved outdoor conditions. Weather in April »

With May, the daylight hours tremble marginally from 11.9 hours to 11.8 hours, hinting at the onset of the Indonesian dry season. Daily routines around Dieng plateau start to revolve around the predominantly clear skies and abundant sunlight instead of the earlier rain-based schedule. Weather in May »

June sees a significant dip in the lowest average temperature from 10.1 degrees C to 9.2 degrees C. Locals and visitors welcome this slight chill, which provides a respite from the tropical heat experienced in other parts of Indonesia. Weather in June »

In July, the temperatures and wet weather both follow a downward trend, making it one the driest periods for Dieng Plateau. The lower rainfall means that crop cultivation undergoes a slowdown and water-dependent species may face challenges. Weather in July »

August continues the trend of lesser rainfall with only 35mm (1.38"), marking the driest month in Dieng Plateau. As most other regions in Indonesia witness climaxing summer heat, Dieng Plateau stays relatively cool and pleasant. Weather in August »

With a change in the calendar to September, Dieng Plateau experiences an increase in rainfall to 57mm (2.24"). Despite being a minor relief in the dry spell, this period significantly uplifts the spirits of local agriculturists. Weather in September »

As the rainfall level in October climbs to 170mm (6.69"), Dieng Plateau gears up for the return of its wet season. The accumulated precipitation brings back the verdant hues to the Plateau's landscape, satiating the thirst of the flora and fauna of the region. Weather in October »

November brings a further increase in rainfall to 230mm (9.06"), establishing a solid return of the wet season in Dieng Plateau. Gurgling streams make their appearance again, and the biodiversity of the Plateau joyfully responds to the generous water supply. Weather in November »

As December unfolds in Dieng Plateau, it registers a substantial increase in rainfall, reaching 388mm (15.28"). Torrential showers can often mist over the surroundings, creating a refreshing and intriguing vista of the landscapes. Weather in December »