Climate and monthly weather forecast
Merauke, Indonesia

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The climate of Merauke

Merauke, located in the easternmost region of Indonesia, falls under the Aw category of the Köppen climate classification. This identifies the local climate as Tropical wet and dry, or otherwise known as Savanna, evoking images of warm weather throughout the year.

The weather in Merauke is characterized by high temperatures and humidity, paired with significant rainfall. Throughout the year, the high temperatures range from 28.4°C (83.1°F) to 32.4°C (90.3°F), while the low temperatures fluctuate mildly between 23.3°C (73.9°F) to 26°C (78.8°F). Humidity in this region is relatively high, with readings of 75% to 82%.

Rainfall in Merauke shows a stark contrast between wet and dry periods. The area receives considerable rainfall from 112mm (4.41") to 173mm (6.81") during the first five months of the year. However, the volume of rain significantly reduces from 31mm (1.22") to 14mm (0.55") during the months of June and July. This pattern aligns with the typical tropical climate characterized by a dry season and a wet season.

Daylight hours in Merauke remain quite stable throughout the year, varying from 11.6 hours to 12.6 hours. This uniformity in daylight hours showcases the region's equatorial position. Concurrently, the sea temperature also remains stable from 26°C (78.8°F) to 29°C (84.2°F), adding to the tropical climate appeal of the area.

The best time to visit Merauke

Given the tropical climate of Merauke, determining the best time to visit hinges on preferences for a drier or a wetter climate. However, taking into account multiple factors - from rainfall to temperature - the driest months, from June to September, would likely make the best time to visit. During these months, rainfall reduces significantly from 31mm (1.22") to 19mm (0.75") and the relative humidity drops to around 76%.

The worst time to visit Merauke

For those seeking to avoid heavy rainfall and high humidity, the first five months of the year may not be the most suitable time to explore Merauke. January holds the record for the highest average rainfall at 167mm (6.57"), along with high humidity at 80%. March also displays similarly adverse weather conditions, with rainfall reaching 173mm (6.81") coupled with 81% humidity.

Spring weather in Merauke

Springtime in Merauke does not quite display the usual hallmarks of mild and pleasant weather. Instead, the region continues to experience high temperatures ranging from 30.7°C (87.3°F) to 30°C (86°F) and a relatively high level of rainfall at 148mm (5.83") to 112mm (4.41") during March to May.

Summer weather in Merauke

Merauke's summer months are characterized by decreasing rainfall, dropping progressively from 112mm (4.41") in May to a drastic reduction to 14mm (0.55") by July. Summer also brings about a slight dip in temperatures, with high temperatures hovering between 30°C (86°F) and 28.4°C (83.1°F) and low temperatures dropping to 23.7°C (74.7°F).

Autumn weather in Merauke

In Merauke, autumn represents a transition from the drier months back towards the wetter season. September exhibits a slight increase in rainfall from 19mm (0.75") to 29mm (1.14"). Correspondingly, the temperatures also rise gradually from 28.4°C (83.1°F) to 29.9°C (85.8°F) in high temperatures and from 23.7°C (74.7°F) to 24.6°C (76.3°F) in low temperatures from September to November.

Winter weather in Merauke

Winter in Merauke is synonymous with the onset of the wet season. Rainfall starts to rise from 61mm (2.4") in November to 110mm (4.33") by December. Concurrently, temperatures also notably increase, with highs reaching 32°C (89.6°F) to 32.4°C (90.3°F) and with lows in the range of 25.5°C (77.9°F) to 26°C (78.8°F) in December. Despite these shifts in weather, daylight remains steady, only varying slightly from 12.3 hours to 12.6 hours from November to December.

Weather in January

Typically, the year begins in Merauke, Indonesia with moderately high temperatures and significant precipitation. January's weather closely resembles that of December, with only slight differences in temperature and humidity levels. Weather in January »

Weather in February

The weather in February continues much in the same vein as January, although there is a slight drop in rainfall. The temperatures remain almost unchanged but the days become a smidgen shorter. On the horizon, the weather forecast for March indicates an increase in both rainfall and relative humidity. Weather in February »

Weather in March

As March embarks, Merauke, Indonesia experiences a slight increase in rainfall relative to February, yet the weather remains steadily tropical. The slight increase in humidity is offset by the continuation of warm temperatures from the prior month. Weather in March »

Weather in April

In Merauke, Indonesia, the month of April usually signifies the start of a drier spell, with a substantial decrease in rainfall from 173mm (6.81") in March down to 121mm (4.76"). The weather forecast for May indicates that this trend will continue, with further decreases in both temperature and rainfall. Weather in April »

Weather in May

May brings about a significant reduction in sunshine hours in Merauke, Indonesia, with only 6.9 hours averaged each day compared to 8 hours in April. This coincides with lesser rainfall than in the preceding month, indicating a shift towards the dry season. Weather in May »

Weather in June

Indonesia's Merauke region heralds the onset of the dry season in June, with rainfall dropping to just 31mm (1.22") across 13 days. It represents a noticeable shift from May, bringing below-average levels of rainfall. Forecasts reveal that July will follow a similar weather pattern, albeit with a minor drop in temperature. Weather in June »

Weather in July

As the dry season advances in Merauke, Indonesia, July witnesses a further dip in rainfall, bringing it down to only 14mm (0.55") over approximately 10 days. This is significant when compared to June’s already lower-than-average rainfall. Weather in July »

Weather in August

Moving into August, Merauke sees a small rise in rainfall levels, with a corresponding increase in the average number of rainy days. However, it is only a minor deviation from July's weather, staying within the parameters of the dry season. Weather in August »

Weather in September

With September, a substantial increase in rainfall in Merauke, Indonesia signals the end of the dry spell. While the weather remains consistent with August in terms of relative humidity and temperatures, ongoing changes indicate the transition into the wet season. Weather in September »

Weather in October

October is the month when the wet season gains momentum, with rainfall hitting 61mm (2.4") spread over roughly 14 days. It is a marked difference from September’s rainfall, making October noticeably wetter. However, November promises even higher rainfall, alerting locals and visitors to anticipate more umbrellas in sight. Weather in October »

Weather in November

As the penultimate month of the year, November in Merauke, Indonesia is characterize by high rainfall of approximately 69mm (2.72") spread across 17 days. This contrasts with October, where slightly lesser rainfall was recorded. Weather in November »

Weather in December

December concludes the year in Merauke, Indonesia, round-off the weather patterns experienced over the past 12 months. There is a significant rise in rainfall from November’s average, taking it up to 110mm (4.33"). Looking ahead, the forecast predicts that January will continue the trend of high precipitation and similar temperatures. Weather in December »

Frequently asked questions

How many days does it rain in Merauke?

In Merauke, during the entire year, the rain falls for 213.7 days and collects up to 1054mm (41.5") of precipitation.

What are the months with the warmest sea water in Merauke?

January through April and December, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater.

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

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

When is the lowest UV index in Merauke?

The months with the lowest UV index in Merauke, Indonesia, are January through December, with an average maximum UV index of 7.

What is the wettest month in Merauke?

The month with the most rainfall is March, when the rain falls for 26.1 days and typically aggregates up to 173mm (6.81") of precipitation.

What is the most humid month in Merauke?

The most humid month in Merauke, Indonesia, is May, with an average relative humidity of 82%.

What is the month with the shortest days in Merauke?

June has the shortest days of the year in Merauke, with an average of 11h and 36min of daylight.

What is the month with the least sunshine in Merauke?

With an average of 5.7h of sunshine, June has the least sunshine of the year in Merauke, Indonesia.

What time of the year is the coldest in Merauke?

In Merauke, July registers the lowest temperatures, averaging 28.4°C (83.1°F) at the peak and 23.7°C (74.7°F) at the lowest.

What is the driest month in Merauke?

The month with the least rainfall in Merauke, Indonesia, is July, when the rain falls for 10.1 days and typically collects 14mm (0.55") of precipitation.

What months are the sea coldest in Merauke?

The months with the coldest seawater are July through September, with an average sea temperature of 26°C (78.8°F).

What is the least humid month in Merauke?

The months with the lowest humidity are September through November, with an average relative humidity of 75%.

What month has the most sunshine in Merauke?

The month with the most sunshine in Merauke is November, with an average of 9h of sunshine.

What month is the hottest in Merauke?

With average high and low temperatures of 32.4°C (90.3°F) and 26°C (78.8°F) respectively, December is Merauke's warmest month.

When are the longest days in Merauke?

With an average of 12h and 36min of daylight, December has the longest days of the year in Merauke, Indonesia.

Is there Daylight Saving Time (DST) in Merauke?

Merauke does not observe Daylight Saving Time (DST). WIT timezone is used throughout the entire year.

Average temperature
Merauke, Indonesia

Average temperature - Merauke, Indonesia

The warmest month (with the highest average high temperature) is December (32.4°C).
The month with the lowest average high temperature is July (28.4°C).

The month with the highest average low temperature is December (26°C).
The coldest month (with the lowest average low temperature) is August (23.3°C).

Average pressure
Merauke, Indonesia

Average pressure - Merauke, Indonesia

The month with the highest atmospheric pressure is August (1011.5mbar).
The months with the lowest atmospheric pressure are January and December (1007mbar).

Average wind speed
Merauke, Indonesia

Average wind speed - Merauke, Indonesia

The windiest month (with the highest average wind speed) is July (17.6km/h).
The calmest month (with the lowest average wind speed) is December (10km/h).

Average humidity
Merauke, Indonesia

Average humidity - Merauke, Indonesia

The month with the highest relative humidity is May (82%).
The months with the lowest relative humidity are September, October and November (75%).

Average rainfall
Merauke, Indonesia

Average rainfall - Merauke, Indonesia

The wettest month (with the highest rainfall) is March (173mm).
The driest month (with the least rainfall) is July (14mm).

Average rainfall days
Merauke, Indonesia

Average rainfall days - Merauke, Indonesia

The month with the highest number of rainy days is January (26.8 days).
The month with the least rainy days is August (7.8 days).

Average sea temperature
Merauke, Indonesia

Average sea temperature - Merauke, Indonesia

The best months for swimming (with the highest average sea temperature) are January, February, March, April and December (29°C).
The coldest months (with the lowest average sea temperature) are July, August and September (26°C).

Average daylight / Average sunshine
Merauke, Indonesia

Average daylight / Average sunshine - Merauke, 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 36min).

The month with the most sunshine is November (Average sunshine: 9h and 0min).
The month with the least sunshine is June (Average sunshine: 5h and 42min).

Average sunshine days
Merauke, Indonesia

Average sunshine days - Merauke, Indonesia

The month with the most sunshine days is August (22 days).
The month with the least sunshine days is March (2.8 days).

Average UV index
Merauke, Indonesia

Average UV index - Merauke, 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 visibility
Merauke, Indonesia

Average visibility - Merauke, Indonesia

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).

Merauke, Indonesia

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