Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
The transition into January is marked with an average high-temperature of a still warm 29.9°C (85.8°F), showing an insignificant shift from December's 29.7°C (85.5°F). Rengas Pulau witnesses an average low-temperature of 24.1°C (75.4°F) throughout the month of January.Heat index
For January, the heat index is calculated to be a torrid 37°C (98.6°F). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.Keep in mind the heat index values are meant for areas in shade and with light wind. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', joins air temperature with relative humidity to produce a temperature perception for humans. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
When the body gets too warm, it perspires, leading to sweat evaporation which cools it down. Elevated relative humidity diminishes evaporation, thereby reducing the body's ability to shed heat and creating a feeling of being too warm. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.
Humidity
In January, the average relative humidity in Rengas Pulau, Indonesia, is 79%.Rainfall
In Rengas Pulau, Indonesia, during January, the rain falls for 25 days and regularly aggregates up to 100mm (3.94") of precipitation. Throughout the year, in Rengas Pulau, there are 317.8 rainfall days, and 1437mm (56.57") of precipitation is accumulated.Daylight
The average length of the day in January is 11h and 56min.On the first day of January in Rengas Pulau, sunrise is at 06:31 and sunset at 18:25. On the last day of the month, sunrise is at 06:39 and sunset at 18:37 WIB.
Sunshine
In Rengas Pulau, the average sunshine in January is 8.6h.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index in Rengas Pulau are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The daily maximum UV index of 7 in January interprets into the following advice:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is January in Rengas Pulau?
What is the average humidity in January in Rengas Pulau?
How much does it rain in Rengas Pulau in January?
How many hours of daylight does Rengas Pulau have in January?
When are sunrise and sunset in January in Rengas Pulau?
How many hours of sunshine does Rengas Pulau have in January?
When is the highest UV index in Rengas Pulau?
When is the lowest UV index in Rengas Pulau?
What is the UV index reading in January in Rengas Pulau?
Average temperature in January
Rengas Pulau, Indonesia
- Average high temperature in January: 29.9°C
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).
- Average low temperature in January: 24.1°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 in January
Rengas Pulau, Indonesia
- Average pressure in January: 1010.9mbar
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 in January
Rengas Pulau, Indonesia
- Average wind speed in January: 7.7km/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 in January
Rengas Pulau, Indonesia
- Average humidity in January: 79%
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 in January
Rengas Pulau, Indonesia
- Average rainfall in January: 100mm
The wettest month (with the highest rainfall) is October (158mm).
The driest month (with the least rainfall) is February (88mm).
Average rainfall days in January
Rengas Pulau, Indonesia
- Average rainfall days in January: 25 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 in January /
Average sunshine in January
Rengas Pulau, Indonesia
- Average daylight in January: 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
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 in January
Rengas Pulau, Indonesia
- Average sunshine days in January: 5 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 in January
Rengas Pulau, Indonesia
- Average UV index in January: 7
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 in January
Rengas Pulau, Indonesia
- Average cloud cover in January: 39
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 in January
Rengas Pulau, Indonesia
- Average visibility in January: 10km
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).
Rengas Pulau, Indonesia
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