January weather forecastSemawut, Indonesia
January weather forecast for Semawut, Indonesia: The average heat index, which takes the relative humidity and factors it into the air temperature reading, in January is computed to be 39°C (102.2°F). January, the same as December, in Semawut, Indonesia, is another hot summer month, with an average temperature ranging between max 30.2°C (86.4°F) and min 23.6°C (74.5°F).
January
Weather in January
January, the same as December, in Semawut, Indonesia, is another hot summer month, with an average temperature ranging between max 30.2°C (86.4°F) and min 23.6°C (74.5°F).Temperature
The onset of January notes an average high-temperature of a still hot 30.2°C (86.4°F), subtly shifted from December's 31.5°C (88.7°F). January nights are marked by an average temperature drop to a moderately hot 23.6°C (74.5°F).Heat index
For most parts of January, the heat index is computed to be a torrid 39°C (102.2°F). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.Factoring in the heat index, values are geared towards shaded areas with light breezes. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. Higher relative humidity impedes evaporation, thus reducing heat dispersion from the body, culminating in a sensation of overheating. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.
Humidity
The average relative humidity in January is 83%.Rainfall
In Semawut, during January, the rain falls for 30.1 days and regularly aggregates up to 261mm (10.28") of precipitation. Throughout the year, there are 218.1 rainfall days, and 1410mm (55.51") of precipitation is accumulated.Daylight
The average length of the day in January is 12h and 30min.On the first day of January, sunrise is at 05:16 and sunset at 17:49. On the last day of the month, sunrise is at 05:30 and sunset at 17:56 WIB.
Sunshine
The month with the least sunshine is January, with an average of 7.1h of sunshine.UV index
The months with the lowest UV index are January and March, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: A typical high UV index of 6 in January suggests the following recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Semawut, Indonesia
- Average high temperature in January: 30.2°C
The warmest month (with the highest average high temperature) is October (34.6°C).
The month with the lowest average high temperature is February (30.1°C).
- Average low temperature in January: 23.6°C
The month with the highest average low temperature is November (24.9°C).
The coldest months (with the lowest average low temperature) are July and August (21.8°C).
Average pressure in January
Semawut, Indonesia
- Average pressure in January: 1009.1mbar
The months with the highest atmospheric pressure are August and September (1011.4mbar).
The month with the lowest atmospheric pressure is December (1008.7mbar).
Average wind speed in January
Semawut, Indonesia
- Average wind speed in January: 7.6km/h
The windiest month (with the highest average wind speed) is September (7.7km/h).
The calmest month (with the lowest average wind speed) is April (5.4km/h).
Average humidity in January
Semawut, Indonesia
- Average humidity in January: 83%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are September and October (62%).
Average rainfall in January
Semawut, Indonesia
- Average rainfall in January: 261mm
The wettest month (with the highest rainfall) is February (273mm).
The driest month (with the least rainfall) is August (6mm).
Average rainfall days in January
Semawut, Indonesia
- Average rainfall days in January: 30.1 days
The month with the highest number of rainy days is January (30.1 days).
The month with the least rainy days is August (4 days).
Average daylight in January /
Average sunshine in January
Semawut, Indonesia
- Average daylight in January: 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: 7h and 6min
The months with the most sunshine are August, September and October (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 7h and 6min).
Average sunshine days in January
Semawut, Indonesia
- Average sunshine days in January: 0.8 days
The month with the most sunshine days is August (26.5 days).
The month with the least sunshine days is February (0.3 days).
Average UV index in January
Semawut, Indonesia
- Average UV index in January: 6
The months with the highest UV index are February, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January and March (UV index 6).
Average cloud cover in January
Semawut, Indonesia
- Average cloud cover in January: 52
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are August and September (Cloud cover 17).
Average visibility in January
Semawut, Indonesia
- Average visibility in January: 8km
The months with the highest visibility are June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and March (8km).





