Climate and monthly weather forecastMerak, Indonesia
Climate and monthly weather forecast
Weather in January
January, the same as December, is a moderately hot summer month in Merak, Indonesia, with an average temperature varying between 29.5°C (85.1°F) and 26.1°C (79°F). Merak's January weather, with an average high temperature of 29.5°C (85.1°F) and an average low temperature of 26.1°C (79°F), tends to be the coldest of the year. Throughout January, the heat index is evaluated at a torrid 35°C (95°F). Weather in January »Weather in February
The last month of the summer, February, is another warm month in Merak, Indonesia, with an average temperature varying between 25.8°C (78.4°F) and 29.8°C (85.6°F). The transition from January to February brings an average high-temperature of a still moderately hot 29.8°C (85.6°F), barely different from January's 29.5°C (85.1°F). Weather in February »Weather in March
March, the first month of the autumn in Merak, is a tropical month, with temperature in the range of an average high of 30°C (86°F) and an average low of 25.8°C (78.4°F). The dawn of March sees an average high-temperature of a tropical 30°C (86°F), subtly contrasting with February's 29.8°C (85.6°F). Weather in March »Weather in April
April, the same as March, in Merak, Indonesia, is another tropical autumn month, with an average temperature varying between 30.5°C (86.9°F) and 26.3°C (79.3°F). The arrival of April is marked by an average high-temperature of a still hot 30.5°C (86.9°F), bearing a close resemblance to March. Weather in April »Weather in May
May, the last month of the autumn in Merak, is another tropical month, with an average temperature varying between 30.8°C (87.4°F) and 26.5°C (79.7°F). May ushers in an average high-temperature of a still tropical 30.8°C (87.4°F), aligning closely with the preceding month. Weather in May »Weather in June
June, the first month of the winter in Merak, is also a hot month, with an average temperature fluctuating between 30.3°C (86.5°F) and 26°C (78.8°F). The commencement of June brings an average high-temperature of a still tropical 30.3°C (86.5°F), marking an inconsequential divergence from May. Weather in June »Weather in July
July, the same as June, is a moderately hot winter month in Merak, Indonesia, with an average temperature ranging between max 29.9°C (85.8°F) and min 25.2°C (77.4°F). July is marked by an average high-temperature of a moderately hot 29.9°C (85.8°F), almost identical to the preceding month. Weather in July »Weather in August
August, the last month of the winter in Merak, is a hot month, with an average temperature varying between 30.3°C (86.5°F) and 25°C (77°F). As Merak, Indonesia, steps into August, the average high-temperature holds at a hot 30.3°C (86.5°F), hinting at a minor fluctuation from the prior month. Weather in August »Weather in September
The first month of the spring, September, is still a hot month in Merak, Indonesia, with temperature in the range of an average high of 30.8°C (87.4°F) and an average low of 25°C (77°F). Merak's shift into September sets the average high-temperature at a still hot 30.8°C (87.4°F), a figure that deviates only slightly from August's 30.3°C (86.5°F). Weather in September »Weather in October
October, the same as September, in Merak, Indonesia, is another hot spring month, with an average temperature varying between 26.2°C (79.2°F) and 31.5°C (88.7°F). October is the warmest month, with the temperature often reaching an average high of 31.5°C (88.7°F) and an average low of 26.2°C (79.2°F). October's average heat index is evaluated at a sweltering 39°C (102.2°F). Weather in October »Weather in November
November, the last month of the spring in Merak, is another tropical month, with an average temperature ranging between min 26.3°C (79.3°F) and max 31°C (87.8°F). Merak indicates an average high-temperature of a still hot 31°C (87.8°F) in November, showing minor variation from October's 31.5°C (88.7°F). Weather in November »Weather in December
December, the first month of the summer in Merak, is still a hot month, with an average temperature varying between 26.1°C (79°F) and 30.3°C (86.5°F). With the advent of December, Merak experiences an average high-temperature of a still tropical 30.3°C (86.5°F), mirroring a close resemblance to the previous month. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Merak, Indonesia
The warmest month (with the highest average high temperature) is October (31.5°C).
The month with the lowest average high temperature is January (29.5°C).
The month with the highest average low temperature is May (26.5°C).
The coldest months (with the lowest average low temperature) are August and September (25°C).
Average pressure
Merak, Indonesia
- Average pressure in January:
1009.7mbar - Average pressure in February:
1009.9mbar - Average pressure in March:
1009.9mbar - Average pressure in April:
1009.7mbar - Average pressure in May:
1009.7mbar - Average pressure in June:
1010.1mbar
- Average pressure in July:
1010.5mbar - Average pressure in August:
1010.8mbar - Average pressure in September:
1011.1mbar - Average pressure in October:
1010.5mbar - Average pressure in November:
1009.4mbar - Average pressure in December:
1009.2mbar
The month with the highest atmospheric pressure is September (1011.1mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).
Average wind speed
Merak, Indonesia
- Average wind speed in January:
12.2km/h - Average wind speed in February:
10km/h - Average wind speed in March:
9.9km/h - Average wind speed in April:
9.9km/h - Average wind speed in May:
8.1km/h - Average wind speed in June:
7.9km/h
- Average wind speed in July:
7.3km/h - Average wind speed in August:
7km/h - Average wind speed in September:
6.8km/h - Average wind speed in October:
7.9km/h - Average wind speed in November:
9.1km/h - Average wind speed in December:
12.5km/h
The windiest month (with the highest average wind speed) is December (12.5km/h).
The calmest month (with the lowest average wind speed) is September (6.8km/h).
Average humidity
Merak, Indonesia
The months with the highest relative humidity are February and March (77%).
The months with the lowest relative humidity are September and October (71%).
Average rainfall
Merak, Indonesia
- Average rainfall in January:
175mm - Average rainfall in February:
172mm - Average rainfall in March:
150mm - Average rainfall in April:
118mm - Average rainfall in May:
76mm - Average rainfall in June:
58mm
The wettest month (with the highest rainfall) is January (175mm).
The driest month (with the least rainfall) is August (21mm).
Average rainfall days
Merak, Indonesia
- Average rainfall days in January:
26.2 days - Average rainfall days in February:
25.7 days - Average rainfall days in March:
26.3 days - Average rainfall days in April:
24.9 days - Average rainfall days in May:
20.8 days - Average rainfall days in June:
17.6 days
- Average rainfall days in July:
13.1 days - Average rainfall days in August:
9.8 days - Average rainfall days in September:
9.6 days - Average rainfall days in October:
19.5 days - Average rainfall days in November:
24.5 days - Average rainfall days in December:
25.3 days
The month with the highest number of rainy days is March (26.3 days).
The month with the least rainy days is September (9.6 days).
Average daylight / Average sunshine
Merak, Indonesia
- Average daylight in January:
12h and 24min - 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 48min
- 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 12min - 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 48min).
- Average sunshine in January:
8h and 54min - Average sunshine in February:
8h and 12min - Average sunshine in March:
8h and 36min - Average sunshine in April:
8h and 30min - Average sunshine in May:
8h and 48min - Average sunshine in June:
7h and 0min
- Average sunshine in July:
7h and 6min - Average sunshine in August:
7h and 36min - Average sunshine in September:
9h and 18min - Average sunshine in October:
9h and 6min - Average sunshine in November:
8h and 12min - Average sunshine in December:
8h and 36min
The month with the most sunshine is September (Average sunshine: 9h and 18min).
The month with the least sunshine is June (Average sunshine: 7h and 0min).
Average sunshine days
Merak, Indonesia
- Average sunshine days in January:
2.2 days - Average sunshine days in February:
1.4 days - Average sunshine days in March:
2.3 days - Average sunshine days in April:
2.8 days - Average sunshine days in May:
7 days - Average sunshine days in June:
10.6 days
- Average sunshine days in July:
16.3 days - Average sunshine days in August:
18.8 days - Average sunshine days in September:
18.4 days - Average sunshine days in October:
9.3 days - Average sunshine days in November:
3.4 days - Average sunshine days in December:
3.3 days
The month with the most sunshine days is August (18.8 days).
The month with the least sunshine days is February (1.4 days).
Average UV index
Merak, 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 cloud cover
Merak, Indonesia
The months with the most cloud cover are January and December (Cloud cover 50).
The month with the least cloud cover is September (Cloud cover 25).
Average visibility
Merak, 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).





