Climate and monthly weather forecast
Klaten, Indonesia


The climate of Klaten

It is clear that Klaten, Indonesia, finds itself nestled within the Tropical monsoon or Am zone according to the Köppen climate classification. This type of climate is characterized by high annual rainfall and minimal difference in terms of temperatures through the year. The geographic position of Klaten near the equator helps to maintain a relatively warm weather even during cooler months.

Throughout the year, average high temperatures in Klaten oscillate narrowly from 29.8°C (85.6°F) to 33.6°C (92.5°F) while low temperatures range from 22.3°C (72.1°F) to 24.6°C (76.3°F). The lack of drastic temperature changes throughout the year maintains Klaten's tropical climate. Humidity remains moderately high year-round, with the lowest relative humidity reaching 65% in September while the highest peaks at 86% in February.

Rainfall in Klaten shows a distinct pattern, with the months from December to March experiencing the most precipitation, and the least amount of rainfall happens from June to September. Daily sunshine hours remain relatively constant but increase slightly from 6.5 hours in January to a summit of 9.6 hours in August. One interesting fact about Klaten is that even though it is located near the equator, sunlight is not equally distributed throughout the year due to variations in monsoons and cloud cover.

The best time to visit Klaten

Taking weather elements into account, the optimal time to visit Klaten would be between May and September. This period provides the most favorable weather conditions with lesser rainfall, ranging from 24mm (0.94") in August to 91mm (3.58") in May, and higher sunshine hours which cap at 9.6 hours in August. Furthermore, temperatures remain warm with minimums between 22.3°C (72.1°F) and 23.4°C (74.1°F) and maximum readings between 30.9°C (87.6°F) and 33.6°C (92.5°F). The relative humidity is also at its lowest during these months, providing a more comfortable atmosphere for outdoor activities.

The worst time to visit Klaten

If avoiding high rainfall is a priority, the period between December and March may not be a suitable time to visit Klaten. During these months, the rainfall in Klaten peaks with 243mm (9.57") in December and 259mm (10.2") in March. Along with high rainfall, a slight decrease in sunshine hours can be observed in this period with a lower limit of 6.5 hours in January. In addition, high humidity levels can make the weather feel somewhat uncomfortable for those not used to tropical climates.

Spring weather in Klaten

In Klaten, spring proves to be a transitional period from the wetter months to the drier ones. Temperatures in these months continue to rise, starting from a high of 30.4°C (86.7°F) in March and attaining the figure of 31°C (87.8°F) in May. The lows range from 23.4°C (74.1°F) to 23.7°C (74.7°F). Rainfall sees a significant decrease from 259mm (10.2") in March to 91mm (3.58") in May. Relative humidity also lessens during this period, starting from 85% in March and reducing to 82% in May.

Summer weather in Klaten

Summer in Klaten exhibits typical warm tropical monsoon weather. The temperature highs register from 31.1°C (88°F) in June to 33.6°C (92.5°F) in August while the lows fluctuate between 22.3°C (72.1°F) and 22.9°C (73.2°F). This season denotes the driest time of the year with rainfall varying from a minimal 24mm (0.94") in August to 50mm (1.97") in June. The sunshine hours attain their yearly maximum at 9.6 hours in August, creating perfect conditions for summer activities.

Autumn weather in Klaten

During the autumn months, Klaten starts to transition from the dry season back to its rainy period. The high temperatures peak at 33.6°C (92.5°F) in October and decline to 32.1°C (89.8°F) in November while the lows rise from 23.1°C (73.6°F) to 24.6°C (76.3°F). Rainfall increases significantly from 31mm (1.22") in September to 161mm (6.34") in November. Additionally, humidity starts to rise, starting from 65% in September and ending with a relative humidity of 78% in November.

Winter weather in Klaten

Winter in Klaten is characterized by a return to high rainfall levels, with 243mm (9.57") being recorded in December and reducing slightly to 191mm (7.52") in February. High temperatures in this season range from 30.7°C (87.3°F) in December to 29.8°C (85.6°F) in February. Low temperatures vary minimally, from 23.8°C (74.8°F) to 23.7°C (74.7°F). Sunshine hours see a decrease with this season having the least hours of sunshine, reaching as low as 6.5 hours in January. Additionally, higher relative humidity levels are observed, making the weather feel more damp and less comfortable compared to other seasons.

Weather in January

January in Klaten, Indonesia is characterized by high humidity with increased chances of rainfall. The weather remains predominantly mild, though skies tend to stay overcast. Relative humidity measuring around 85% coupled with an elevated cloud percentage offers a cooler climate contrasted to the sweltering heat that follows in the subsequent months. Weather in January »

Weather in February

Transitioning from January, February typically inherits the lingering humidity and rainfall tendencies. Klaten's weather displays a slight decrease in rainfall, on average, providing a marginally drier climate. However, the number of rainy days doesn't greatly differ, confirming the persistence of the monsoonal influence. Weather in February »

Weather in March

March weather in Klaten witnesses a decline in rainfall, thus marking the advent of drier seasons. The average high temperatures show a slight increase favoring the onset of a warm environment. This rise in mercury levels goes hand in hand with diminishing relative humidity. Weather in March »

Weather in April

April experiences a distinctive reduction of rainfall and the emergence of a visibly drier climate. Length of daylight decreases whilst sunshine duration extends, offering more sunlit hours to the inhabitants. The shifting weather conditions expose Klaten to an elevated UV index, necessitating proper sun protection. Weather in April »

Weather in May

May bears witness to the full onset of the dry season in Klaten, evidenced by the considerable decrease in rainfall. The weather exhibits relatively lower humidity levels accompanied by lengthier sunshine hours. Dust particles become more dominant due to the drier months, resulting in enhanced visibility. Weather in May »

Weather in June

June continues the trend of reduced rainfall and enhanced sunshine duration, thus maintaining Klaten's dry period. The city basks in longer sunlit hours, contributing to the increase in the average UV index. Temperatures remain consistently high throughout the month. Weather in June »

Weather in July

A decrescendo in rainfall continues into July, solidifying the prevalence of the dry season. Klaten endures sustained periods of dryness and heat. Temperature averages remain stable, while the UV index continues at its peak. Amidst the drying conditions, the wind speed increases marginally, delivering a reprieve from the torrid climate. Weather in July »

Weather in August

Residing in the heart of the dry season, August further depreciates the monthly rainfall. Klaten views a short extension of daylight hours, paralleled by sustained warm temperatures. August constitutes the driest phase with reduced relative humidity accompanying the high UV index. Weather in August »

Weather in September

Departing from the peak dry season, September introduces a gradual climb in rainfall. Cloud cover starts to thicken, blocking out some sunshine hours, while temperatures remain relatively constant. Despite the increase in rainfall, relative humidity stays on the lower spectrum. Weather in September »

Weather in October

Klaten's October weather kick starts the wetter period. The city experiences an apparent amplification of rainfall, ushering in the onset of monsoon. The number of sunshine days dwindles with the expanding cloud percentage, limiting the UV exposure. Weather in October »

Weather in November

November is marked by the heavier rainfall. It translated into a noticeable increase in precipitation and relative humidity. Temperature averages remain somewhat constant, ensuring the warm weather persists in Klaten. As forecasted, daylight hours increase while sunshine duration decreases, depicting a cloudier outlook. Weather in November »

Weather in December

December in Klaten exhibits a surge in precipitation, marking the peak of the wet season. The climate is characterized by high relative humidity and frequent bouts of rainfall. Wind speed drops to average values while the length of daylight peaks. Weather in December »

Frequently asked questions

What month is the coldest in Klaten?

In Klaten, Indonesia, the coldest period comes during January and February, when the average high-temperature touches 29.8°C (85.6°F).

How many days does it rain in Klaten?

In Klaten, during the entire year, the rain falls for 256 days and collects up to 1649mm (64.92") of precipitation.

What is the month with the least sunshine in Klaten?

January has the least sunshine of the year, with an average of 6.5h of sunshine.

When is the lowest UV index in Klaten?

The month with the lowest UV index is January, with an average maximum UV index of 6.

What is the most humid month in Klaten?

With an average relative humidity of 86%, February is the most humid month in Klaten, Indonesia.

When is the highest UV index in Klaten?

February through December, with an average maximum UV index of 7, are months with the highest UV index in Klaten, Indonesia.

What is the rainiest month in Klaten?

The month with the most rainfall in Klaten is March, when the rain falls for 28.9 days and typically aggregates up to 259mm (10.2") of precipitation.

What is the month with the shortest days in Klaten?

The month with the shortest days in Klaten, Indonesia, is June, with an average of 11h and 42min of daylight.

What is the driest month in Klaten?

August is the month with the least rainfall in Klaten. Rain falls for 10.6 days and accumulates 24mm (0.94") of precipitation.

What month has the most sunshine in Klaten?

The month with the most sunshine in Klaten is August, with an average of 9.6h of sunshine.

What part of the year is the hottest in Klaten?

The months of September and October bring the highest temperatures in Klaten, averaging a high of 33.6°C (92.5°F).

What is the least humid month in Klaten?

September is the least humid month in Klaten, Indonesia, with an average relative humidity of 65%.

When are the longest days in Klaten?

The month with the longest days in Klaten is December, with an average of 12h and 36min of daylight.

Is there Daylight Saving Time (DST) in Klaten?

Klaten does not utilize Daylight Saving Time (DST). WIB timezone is used over the entire year.

Average temperature
Klaten, Indonesia

Average temperature - Klaten, Indonesia

The warmest months (with the highest average high temperature) are September and October (33.6°C).
The months with the lowest average high temperature are January and February (29.8°C).

The month with the highest average low temperature is November (24.6°C).
The coldest month (with the lowest average low temperature) is July (22.3°C).


Average pressure
Klaten, Indonesia

Average pressure - Klaten, Indonesia

The month with the highest atmospheric pressure is September (1011.2mbar).
The month with the lowest atmospheric pressure is December (1008.8mbar).


Average wind speed
Klaten, Indonesia

Average wind speed - Klaten, Indonesia

The windiest months (with the highest average wind speed) are January and August (8.6km/h).
The calmest month (with the lowest average wind speed) is April (5.4km/h).


Average humidity
Klaten, Indonesia

Average humidity - Klaten, Indonesia

The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is September (65%).


Average rainfall
Klaten, Indonesia

Average rainfall - Klaten, Indonesia

The wettest month (with the highest rainfall) is March (259mm).
The driest month (with the least rainfall) is August (24mm).


Average rainfall days
Klaten, Indonesia

Average rainfall days - Klaten, Indonesia

The month with the highest number of rainy days is January (29.9 days).
The month with the least rainy days is August (10.6 days).


Average daylight / Average sunshine
Klaten, Indonesia

Average daylight / Average sunshine - Klaten, Indonesia

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 42min).

The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 6h and 30min).


Average sunshine days
Klaten, Indonesia

Average sunshine days - Klaten, Indonesia

The month with the most sunshine days is August (18.3 days).
The month with the least sunshine days is January (0.3 days).


Average UV index
Klaten, Indonesia

Average UV index - Klaten, Indonesia

The months with the highest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is January (UV index 6).


Average visibility
Klaten, Indonesia

Average visibility - Klaten, Indonesia

The months with the highest visibility are August, September and October (10km).
The months with the lowest visibility are January, February, March, April and December (8km).


Klaten, Indonesia

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