January weather forecast
Semampir, Indonesia

January, like December, in Semampir, Indonesia, is a moderately hot summer month, with an average temperature ranging between min 23°C (73.4°F) and max 28.9°C (84°F).

Temperature

Semampir greets January with an average high-temperature of a still warm 28.9°C (84°F), marking a slight deviation from the preceding month. The month of January records an average low-temperature of 23°C (73.4°F) in Semampir.

Heat index

For most parts of January, the heat index is appraised at a sweltering 35°C (95°F). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. Increasing body temperatures can be a precursor to dehydration if the body can't shed the extra heat.

Humidity

In January, the average relative humidity is 83%.

Rainfall

January is the month with the most rainfall. Rain falls for 30.9 days and accumulates 232mm (9.13") of precipitation.

Daylight

The average length of the day in January is 12h and 29min.
On the first day of the month, sunrise is at 05:16 and sunset at 17:48. On the last day of January, sunrise is at 05:29 and sunset at 17:55 WIB.

Sunshine

January has the least sunshine of the year, with an average of 7.6h of sunshine.

UV index

The months with the lowest UV index are January, March, May through September and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 6 in January converts into the following recommendations:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.