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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
Weather in January
January, like December, in Sei Mati, Indonesia, is another warm winter month, with an average temperature varying between 24.1°C (75.4°F) and 29.9°C (85.8°F). Transitioning into January, Sei Mati records an average high-temperature of a still warm 29.9°C (85.8°F), almost identical to December's 29.7°C (85.5°F). Weather in January »
Weather in February
The last month of the winter, February, is a tropical month in Sei Mati, Indonesia, with temperature in the range of an average low of 24.3°C (75.7°F) and an average high of 30.5°C (86.9°F). The advent of February sees the average high-temperature at a tropical 30.5°C (86.9°F), subtly shifted from January's 29.9°C (85.8°F). Weather in February »
Weather in March
March, the first month of the spring in Sei Mati, is also a hot month, with an average temperature fluctuating between 25.1°C (77.2°F) and 31.4°C (88.5°F). The advent of March sees the average high-temperature at a still hot 31.4°C (88.5°F), subtly shifted from February's 30.5°C (86.9°F). Weather in March »
Weather in April
April, like March, is another hot spring month in Sei Mati, Indonesia, with an average temperature fluctuating between 25.6°C (78.1°F) and 31.8°C (89.2°F). The onset of April brings with it an average high-temperature of a still hot 31.8°C (89.2°F), showing a negligible variation from the month before. Weather in April »
Weather in May
May, the last month of the spring in Sei Mati, is another hot month, with an average temperature fluctuating between 25.5°C (77.9°F) and 31.9°C (89.4°F). During May and June, Sei Mati experiences its peak temperatures, averaging a high-temperature of 31.9°C (89.4°F). The average heat index in May is evaluated at a blisteringly hot 42°C (107.6°F). Weather in May »
Weather in June
The first month of the summer, June, is still a tropical month in Sei Mati, Indonesia, with an average temperature fluctuating between 31.9°C (89.4°F) and 24.9°C (76.8°F). The temperature hits its peak in May and June, recording an average high-temperature of 31.9°C (89.4°F). For most parts of June, the heat index is evaluated at a scorching 42°C (107.6°F). Weather in June »
Weather in July
July, like June, is another tropical summer month in Sei Mati, Indonesia, with an average temperature fluctuating between 24.6°C (76.3°F) and 31.5°C (88.7°F). The initiation of July sees an average high-temperature of a still hot 31.5°C (88.7°F), showing minor variations from the previous month. Weather in July »
Weather in August
August, the last month of the summer in Sei Mati, is another hot month, with temperature in the range of an average low of 24.8°C (76.6°F) and an average high of 31.8°C (89.2°F). August brings an average high-temperature of a still tropical 31.8°C (89.2°F), nearly identical to the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is still a hot month in Sei Mati, Indonesia, with an average temperature ranging between min 24.7°C (76.5°F) and max 31.3°C (88.3°F). Sei Mati's September average high-temperature settles at a still hot 31.3°C (88.3°F), showing a near match with the preceding month. Weather in September »
Weather in October
October, like September, is another tropical autumn month in Sei Mati, Indonesia, with an average temperature ranging between min 24.7°C (76.5°F) and max 31°C (87.8°F). Sei Mati's average high-temperature in October sits at a still hot 31°C (87.8°F), showing little difference from the previous month. Weather in October »
Weather in November
November, the last month of the autumn in Sei Mati, is also a hot month, with temperature in the range of an average low of 24.7°C (76.5°F) and an average high of 30.4°C (86.7°F). November denotes a minimal variation in the average high-temperature to a still tropical 30.4°C (86.7°F) from October's 31°C (87.8°F). Weather in November »
Weather in December
December, the first month of the winter in Sei Mati, is also a moderately hot month, with an average temperature fluctuating between 29.7°C (85.5°F) and 24.5°C (76.1°F). In Sei Mati, the lowest temperatures are generally noted in December, averaging a high of 29.7°C (85.5°F) and a low of 24.5°C (76.1°F). The heat index value for December is evaluated at a torrid 37°C (98.6°F). Weather in December »
Updated: Jul 20, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How much does it rain?
In Sei Mati, during the entire year, the rain falls for 317.8 days and collects up to 1437mm (56.57") of precipitation.
When is the highest UV index in Sei Mati?
The months with the highest UV index are January through December, with an average maximum UV index of 7.
What is the month with the lowest UV index?
January through December, with an average maximum UV index of 7, are months with the lowest UV index in Sei Mati.
What is the driest month?
The month with the least rainfall in Sei Mati is February, when the rain falls for 21.3 days and typically collects 88mm (3.46") of precipitation.
What is the least humid month?
The months with the lowest humidity are March, June through August, with an average relative humidity of 75%.
What is the hottest time of year in Sei Mati?
Sei Mati sees the average highest temperatures during the months of May and June, peaking at 31.9°C (89.4°F).
When are the longest days?
The month with the longest days is June, with an average of 12h and 18min of daylight.
What month has the most sunshine in Sei Mati?
With an average of 9.3h of sunshine, June has the most sunshine of the year.
What is the rainiest month?
The month with the most rainfall is October, when the rain falls for 28.7 days and typically aggregates up to 158mm (6.22") of precipitation.
What are the months with the least sunshine?
November and December, with an average of 8h of sunshine, are months with the least sunshine.
What is the coldest month?
December, recording an average high temperature of 29.7°C (85.5°F) and a low temperature of 24.5°C (76.1°F), is Sei Mati's coldest month.
What is the most humid month?
The most humid month is December, with an average relative humidity of 80%.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 11h and 54min of daylight.
Is there Daylight Saving Time (DST)?
Sei Mati does not observe Daylight Saving Time (DST). WIB timezone is used throughout the entire year.
Average temperature
Sei Mati, Indonesia
The warmest months (with the highest average high temperature) are May and June (31.9°C).
The month with the lowest average high temperature is December (29.7°C).
The month with the highest average low temperature is April (25.6°C).
The coldest month (with the lowest average low temperature) is January (24.1°C).
Average pressure
Sei Mati, Indonesia
- Average pressure in January:
1010.9mbar - Average pressure in February:
1010.8mbar - Average pressure in March:
1010.6mbar - Average pressure in April:
1010.1mbar - Average pressure in May:
1009.5mbar - Average pressure in June:
1009.6mbar
- Average pressure in July:
1009.7mbar - Average pressure in August:
1009.9mbar - Average pressure in September:
1010.6mbar - Average pressure in October:
1010.5mbar - Average pressure in November:
1009.8mbar - Average pressure in December:
1010.2mbar
The month with the highest atmospheric pressure is January (1010.9mbar).
The month with the lowest atmospheric pressure is May (1009.5mbar).
Average wind speed
Sei Mati, Indonesia
- Average wind speed in January:
7.7km/h - Average wind speed in February:
7.8km/h - Average wind speed in March:
7.6km/h - Average wind speed in April:
7.2km/h - Average wind speed in May:
6.8km/h - Average wind speed in June:
7.2km/h
- Average wind speed in July:
7.4km/h - Average wind speed in August:
7.3km/h - Average wind speed in September:
6.7km/h - Average wind speed in October:
6.8km/h - Average wind speed in November:
7.3km/h - Average wind speed in December:
7.6km/h
The windiest month (with the highest average wind speed) is February (7.8km/h).
The calmest month (with the lowest average wind speed) is September (6.7km/h).
Average humidity
Sei Mati, Indonesia
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are March, June, July and August (75%).
Average rainfall
Sei Mati, Indonesia
- Average rainfall in January:
100mm - Average rainfall in February:
88mm - Average rainfall in March:
99mm - Average rainfall in April:
121mm - Average rainfall in May:
136mm - Average rainfall in June:
92mm
- Average rainfall in July:
107mm - Average rainfall in August:
118mm - Average rainfall in September:
117mm - Average rainfall in October:
158mm - Average rainfall in November:
151mm - Average rainfall in December:
150mm
The wettest month (with the highest rainfall) is October (158mm).
The driest month (with the least rainfall) is February (88mm).
Average rainfall days
Sei Mati, Indonesia
- Average rainfall days in January:
25 days - Average rainfall days in February:
21.3 days - Average rainfall days in March:
25.3 days - Average rainfall days in April:
28 days - Average rainfall days in May:
27.8 days - Average rainfall days in June:
23.8 days
- Average rainfall days in July:
26.1 days - Average rainfall days in August:
28.3 days - Average rainfall days in September:
27.8 days - Average rainfall days in October:
28.7 days - Average rainfall days in November:
28.1 days - Average rainfall days in December:
27.6 days
The month with the highest number of rainy days is October (28.7 days).
The month with the least rainy days is February (21.3 days).
Average daylight / Average sunshine
Sei Mati, Indonesia
- Average daylight in January:
11h and 5min - Average daylight in February:
12h and 0min - Average daylight in March:
12h and 1min - Average daylight in April:
12h and 1min - Average daylight in May:
12h and 2min - Average daylight in June:
12h and 2min
- Average daylight in July:
12h and 2min - Average daylight in August:
12h and 1min - Average daylight in September:
12h and 1min - Average daylight in October:
12h and 0min - Average daylight in November:
12h and 0min - Average daylight in December:
11h and 5min
The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 11h and 54min).
- Average sunshine in January:
8h and 4min - Average sunshine in February:
8h and 5min - Average sunshine in March:
9h and 0min - Average sunshine in April:
8h and 5min - Average sunshine in May:
9h and 0min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
9h and 0min - Average sunshine in August:
8h and 5min - Average sunshine in September:
8h and 5min - Average sunshine in October:
8h and 4min - Average sunshine in November:
8h and 0min - Average sunshine in December:
8h and 0min
The month with the most sunshine is June (Average sunshine: 9h and 18min).
The months with the least sunshine are November and December (Average sunshine: 8h and 0min).
Average sunshine days
Sei Mati, Indonesia
- Average sunshine days in January:
5 days - Average sunshine days in February:
5 days - Average sunshine days in March:
4 days - Average sunshine days in April:
0.9 days - Average sunshine days in May:
2.7 days - Average sunshine days in June:
3.8 days
- Average sunshine days in July:
3.8 days - Average sunshine days in August:
1.8 days - Average sunshine days in September:
1.5 days - Average sunshine days in October:
1.9 days - Average sunshine days in November:
1.4 days - Average sunshine days in December:
2.2 days
The months with the most sunshine days are January and February (5 days).
The month with the least sunshine days is April (0.9 days).
Average UV index
Sei Mati, 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
Sei Mati, Indonesia
The month with the most cloud cover is November (Cloud cover 47).
The months with the least cloud cover are March and June (Cloud cover 31).
Average visibility
Sei Mati, Indonesia
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).
