January weather forecastTonjong, Indonesia
January weather forecast for Tonjong, Indonesia: In January, the average heat index, which factors the actual air temperature with the relative humidity, is computed to be 38°C (100.4°F). January, like December, in Tonjong, Indonesia, is a moderately hot summer month, with an average temperature varying between 23.3°C (73.9°F) and 29.8°C (85.6°F).
January
Weather in January
January, like December, in Tonjong, Indonesia, is a moderately hot summer month, with an average temperature varying between 23.3°C (73.9°F) and 29.8°C (85.6°F).Temperature
The onset of January brings with it an average high-temperature of a warm 29.8°C (85.6°F), showing a negligible variation from the month before. Tonjong in January anticipates an average nighttime temperature of 23.3°C (73.9°F).Heat index
For January, the heat index is computed to be a sweltering 38°C (100.4°F). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.Research indicates the heat index considers values in shaded locales and with light winds. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', blends air temperature and moisture content to represent the felt temperature to humans. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. In conditions of both high temperature and humidity (a high heat index), sweating is limited and the perception of heat is enhanced. When body heat isn't effectively managed, risks of dehydration and overheating amplify.
Humidity
The average relative humidity in January is 82%.Rainfall
In Tonjong, during January, the rain falls for 28.9 days and regularly aggregates up to 305mm (12.01") of precipitation. Throughout the year, there are 268.1 rainfall days, and 2169mm (85.39") of precipitation is accumulated.Daylight
The average length of the day in January is 12h and 29min.On the first day of January, sunrise is at 05:31 and sunset at 18:03. On the last day of the month, sunrise is at 05:44 and sunset at 18:09 WIB.
Sunshine
In January, the average sunshine is 8.4h.UV index
January, July, August and November, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In January, the maximum UV index of 6 translates into these guidelines:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Tonjong, Indonesia
- Average high temperature in January: 29.8°C
The warmest month (with the highest average high temperature) is October (31°C).
The month with the lowest average high temperature is July (28.9°C).
- Average low temperature in January: 23.3°C
The months with the highest average low temperature are January and December (23.3°C).
The coldest month (with the lowest average low temperature) is August (20.8°C).
Average pressure in January
Tonjong, Indonesia
- Average pressure in January: 1009.5mbar
The month with the highest atmospheric pressure is September (1011.7mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).
Average wind speed in January
Tonjong, Indonesia
- Average wind speed in January: 5.6km/h
The windiest month (with the highest average wind speed) is September (9.1km/h).
The calmest month (with the lowest average wind speed) is April (4.6km/h).
Average humidity in January
Tonjong, Indonesia
- Average humidity in January: 82%
The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are September and October (76%).
Average rainfall in January
Tonjong, Indonesia
- Average rainfall in January: 305mm
The wettest month (with the highest rainfall) is December (312mm).
The driest month (with the least rainfall) is August (20mm).
Average rainfall days in January
Tonjong, Indonesia
- Average rainfall days in January: 28.9 days
The month with the highest number of rainy days is January (28.9 days).
The month with the least rainy days is August (10.3 days).
Average daylight in January /
Average sunshine in January
Tonjong, 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: 8h and 24min
The month with the most sunshine is August (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 30min).
Average sunshine days in January
Tonjong, Indonesia
- Average sunshine days in January: 1.6 days
The month with the most sunshine days is August (17.7 days).
The month with the least sunshine days is February (0.8 days).
Average UV index in January
Tonjong, Indonesia
- Average UV index in January: 6
The months with the highest UV index are February, March, April, May, June, September, October and December (UV index 7).
The months with the lowest UV index are January, July, August and November (UV index 6).
Average cloud cover in January
Tonjong, Indonesia
- Average cloud cover in January: 52
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in January
Tonjong, Indonesia
- Average visibility in January: 9km
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is February (8km).
