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 »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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
- Average pressure in January:
1009.2mbar - Average pressure in February:
1009.6mbar - Average pressure in March:
1009.7mbar - Average pressure in April:
1009.7mbar - Average pressure in May:
1009.8mbar - Average pressure in June:
1010.4mbar
- Average pressure in July:
1010.8mbar - Average pressure in August:
1011.1mbar - Average pressure in September:
1011.2mbar - Average pressure in October:
1010.4mbar - Average pressure in November:
1009.2mbar - Average pressure in December:
1008.8mbar
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
- Average wind speed in January:
8.6km/h - Average wind speed in February:
7.6km/h - Average wind speed in March:
6km/h - Average wind speed in April:
5.4km/h - Average wind speed in May:
6.6km/h - Average wind speed in June:
7.1km/h
- Average wind speed in July:
7.9km/h - Average wind speed in August:
8.6km/h - Average wind speed in September:
8.3km/h - Average wind speed in October:
7.6km/h - Average wind speed in November:
5.9km/h - Average wind speed in December:
6.6km/h
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
- Average rainfall in January:
249mm - Average rainfall in February:
244mm - Average rainfall in March:
259mm - Average rainfall in April:
191mm - Average rainfall in May:
91mm - Average rainfall in June:
50mm
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
- Average rainfall days in January:
29.9 days - Average rainfall days in February:
27.5 days - Average rainfall days in March:
28.9 days - Average rainfall days in April:
26.3 days - Average rainfall days in May:
20.7 days - Average rainfall days in June:
14.5 days
- Average rainfall days in July:
14.5 days - Average rainfall days in August:
10.6 days - Average rainfall days in September:
10.9 days - Average rainfall days in October:
18 days - Average rainfall days in November:
25.5 days - Average rainfall days in December:
28.7 days
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
- Average daylight in January:
12h and 30min - Average daylight in February:
12h and 18min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 0min - Average daylight in May:
11h and 48min - Average daylight in June:
11h and 42min
- Average daylight in July:
11h and 48min - Average daylight in August:
11h and 54min - Average daylight in September:
12h and 6min - Average daylight in October:
12h and 18min - Average daylight in November:
12h and 24min - Average daylight in December:
12h and 30min
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).
- Average sunshine in January:
6h and 30min - Average sunshine in February:
7h and 0min - Average sunshine in March:
7h and 48min - Average sunshine in April:
8h and 12min - Average sunshine in May:
8h and 36min - Average sunshine in June:
9h and 0min
- Average sunshine in July:
9h and 18min - Average sunshine in August:
9h and 36min - Average sunshine in September:
9h and 30min - Average sunshine in October:
9h and 30min - Average sunshine in November:
8h and 30min - Average sunshine in December:
7h and 12min
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
- Average sunshine days in January:
0.3 days - Average sunshine days in February:
0.4 days - Average sunshine days in March:
1.1 days - Average sunshine days in April:
3.3 days - Average sunshine days in May:
8.5 days - Average sunshine days in June:
13.8 days
- Average sunshine days in July:
15 days - Average sunshine days in August:
18.3 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
11.1 days - Average sunshine days in November:
3.7 days - Average sunshine days in December:
1.6 days
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).





