Climate and monthly weather forecastJepang, Indonesia

Climate and monthly weather forecast

Weather in January

January, like December, in Jepang, Indonesia, is another warm summer month, with an average temperature varying between 29.8°C (85.6°F) and 23.7°C (74.7°F). During January and February, Jepang registers its lowest temperatures, averaging a high of 29.8°C (85.6°F). In January, the heat index is estimated at a fiery hot 38°C (100.4°F). Weather in January »

Weather in February

The last month of the summer, February, is another warm month in Jepang, Indonesia, with an average temperature varying between 23.4°C (74.1°F) and 29.8°C (85.6°F). Jepang's lowest average temperatures are recorded in January and February, reaching a high of 29.8°C (85.6°F). The heat index value during February is estimated at a sweltering 39°C (102.2°F). Weather in February »

Weather in March

March, the first month of the autumn in Jepang, is a tropical month, with temperature in the range of an average high of 30.4°C (86.7°F) and an average low of 23.4°C (74.1°F). Welcoming March, Jepang notes an average high-temperature of a tropical 30.4°C (86.7°F), nearly consistent with February's 29.8°C (85.6°F). Weather in March »

Weather in April

April, like March, is another tropical autumn month in Jepang, Indonesia, with an average temperature fluctuating between 30.7°C (87.3°F) and 23.7°C (74.7°F). The start of April marks an average high-temperature of a still tropical 30.7°C (87.3°F), hardly distinguishable from the conditions in March. Weather in April »

Weather in May

May, the last month of the autumn in Jepang, is another tropical month, with temperature in the range of an average high of 30.9°C (87.6°F) and an average low of 23.4°C (74.1°F). As May takes hold, the average high-temperature is a still hot 30.9°C (87.6°F), nearly mirroring that of the previous month. Weather in May »

Weather in June

June, the first month of the winter in Jepang, is also a hot month, with an average temperature varying between 31°C (87.8°F) and 22.9°C (73.2°F). The advent of June presents an average high-temperature of a still hot 31°C (87.8°F), maintaining a close correlation with the preceding month. Weather in June »

Weather in July

July, the same as June, in Jepang, Indonesia, is another tropical winter month, with temperature in the range of an average low of 22.3°C (72.1°F) and an average high of 31.1°C (88°F). Jepang's July average high-temperature settles at a still tropical 31.1°C (88°F), showing a near match with the preceding month. Weather in July »

Weather in August

The last month of the winter, August, is also a hot month in Jepang, Indonesia, with an average temperature fluctuating between 22.4°C (72.3°F) and 32.3°C (90.1°F). August's commencement is accompanied by an average high-temperature of a still hot 32.3°C (90.1°F), diverging marginally from July's 31.1°C (88°F). Weather in August »

Weather in September

The first month of the spring, September, is still a tropical month in Jepang, Indonesia, with temperature in the range of an average low of 23.1°C (73.6°F) and an average high of 33.6°C (92.5°F). Jepang witnesses its highest average temperatures during September and October, peaking at 33.6°C (92.5°F). September's average heat index is estimated at a scorching 43°C (109.4°F). Weather in September »

Weather in October

October, like September, is another tropical spring month in Jepang, Indonesia, with an average temperature fluctuating between 33.6°C (92.5°F) and 24.3°C (75.7°F). The warmest period, with an average high-temperature of 33.6°C (92.5°F), falls in September and October. The heat index in October is estimated at a life-threatening hot 45°C (113°F). Weather in October »

Weather in November

The last month of the spring, November, is another hot month in Jepang, Indonesia, with an average temperature fluctuating between 32.1°C (89.8°F) and 24.6°C (76.3°F). As Jepang steps into November, the average high-temperature is measured at a still tropical 32.1°C (89.8°F), displaying minor differences from October's 33.6°C (92.5°F). Weather in November »

Weather in December

December, the first month of the summer in Jepang, is also a hot month, with an average temperature varying between 23.8°C (74.8°F) and 30.7°C (87.3°F). The onset of December manifests an average high-temperature of a still hot 30.7°C (87.3°F), demonstrating a minor variation from the preceding month. Weather in December »

Frequently asked questions

Jepang's lowest temperatures tend to occur in January and February, with an average high-temperature of 29.8°C (85.6°F).

Throughout the year, there are 256 rainfall days, and 1649mm (64.92") of precipitation is accumulated.

The month with the least sunshine is January, with an average of 6.5h of sunshine.

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

The most humid month is February, with an average relative humidity of 86%.

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

March is the month with the most rainfall. Rain falls for 28.9 days and accumulates 259mm (10.2") of precipitation.

June has the shortest days of the year, with an average of 11h and 42min of daylight.

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

With an average of 9.6h of sunshine, August has the most sunshine of the year.

Jepang's temperatures tend to hit their maximum during September and October, with an average high-temperature of 33.6°C (92.5°F).

With an average relative humidity of 65%, September is the least humid month.

December has the longest days of the year, with an average of 12h and 30min of daylight.

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

Average temperature
Jepang, 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
Jepang, 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
Jepang, 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
Jepang, Indonesia

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

Average rainfall
Jepang, Indonesia

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

Average rainfall days
Jepang, 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
Jepang, Indonesia

The month with the longest days is December (Average daylight: 12h and 30min).
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
Jepang, 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
Jepang, 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 cloud cover
Jepang, Indonesia

The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are August and September (Cloud cover 28).

Average visibility
Jepang, 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).