January weather forecastSinaboi, Indonesia
January
Weather in January
January, the same as December, in Sinaboi, Indonesia, is a hot winter month, with an average temperature ranging between min 24.6°C (76.3°F) and max 30.9°C (87.6°F).Temperature
As December transitions into January, the average high-temperature rests at a still tropical 30.9°C (87.6°F), maintaining a close resemblance to the previous month. Throughout January, the average low-temperature dips to a moderately hot 24.6°C (76.3°F).Heat index
The heat index value during January is appraised at a blisteringly hot 40°C (104°F). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.Heat index determinations are made taking into account the shade and light air movements. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Evaporating sweat, an outcome of perspiration, is key in assisting the human body to moderate its temperature. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. The body is at risk of dehydration and related complications when it fails to shed excessive heat.
Humidity
In Sinaboi, the average relative humidity in January is 78%.Rainfall
In Sinaboi, in January, during 25.2 rainfall days, 151mm (5.94") of precipitation is typically accumulated. In Sinaboi, during the entire year, the rain falls for 276 days and collects up to 1334mm (52.52") of precipitation.Snowfall
January through August, October through December are months without snowfall.Daylight
In Sinaboi, the average length of the day in January is 12h and 1min.On the first day of the month, sunrise is at 06:19 and sunset at 18:19. On the last day of January, sunrise is at 06:28 and sunset at 18:30 WIB.
Sunshine
The average sunshine in January is 8.1h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In January, the maximum UV index of 7 transforms into these recommendations:
Deter overexposure. Protecting against the sun's effects is essential. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Sinaboi, Indonesia
- Average high temperature in January: 30.9°C
The warmest months (with the highest average high temperature) are April, May, August and October (32°C).
The month with the lowest average high temperature is December (30.5°C).
- Average low temperature in January: 24.6°C
The month with the highest average low temperature is May (26.2°C).
The coldest months (with the lowest average low temperature) are January and February (24.6°C).
Average pressure in January
Sinaboi, Indonesia
- Average pressure in January: 1010.4mbar
The month with the highest atmospheric pressure is January (1010.4mbar).
The month with the lowest atmospheric pressure is May (1008.7mbar).
Average wind speed in January
Sinaboi, Indonesia
- Average wind speed in January: 6.4km/h
The windiest months (with the highest average wind speed) are July and August (7.7km/h).
The calmest month (with the lowest average wind speed) is December (6.1km/h).
Average humidity in January
Sinaboi, Indonesia
- Average humidity in January: 78%
The month with the highest relative humidity is December (79%).
The months with the lowest relative humidity are August and September (71%).
Average rainfall in January
Sinaboi, Indonesia
- Average rainfall in January: 151mm
The wettest month (with the highest rainfall) is December (198mm).
The driest month (with the least rainfall) is July (52mm).
Average rainfall days in January
Sinaboi, Indonesia
- Average rainfall days in January: 25.2 days
The month with the highest number of rainy days is November (27.3 days).
The month with the least rainy days is June (16.8 days).
Average snowfall in January
Sinaboi, Indonesia
- Average snowfall in January: 0mm
The month with the highest snowfall is September (2mm).
The months with the least snowfall are January, February, March, April, May, June, July, August, October, November and December (0mm).
Average snowfall days in January
Sinaboi, Indonesia
- Average snowfall days in January: 0 days
The month with the highest number of snowfall days is September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).
Average daylight in January /
Average sunshine in January
Sinaboi, Indonesia
- Average daylight in January: 12h and 0min
The month with the longest days is June (Average daylight: 12h and 12min).
The month with the shortest days is December (Average daylight: 12h and 0min).
- Average sunshine in January: 8h and 6min
The months with the most sunshine are June and July (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 7h and 36min).
Average sunshine days in January
Sinaboi, Indonesia
- Average sunshine days in January: 5 days
The month with the most sunshine days is June (11.3 days).
The month with the least sunshine days is November (2.4 days).
Average UV index in January
Sinaboi, 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
Sinaboi, Indonesia
- Average cloud cover in January: 44
The month with the most cloud cover is November (Cloud cover 50).
The months with the least cloud cover are June and July (Cloud cover 32).
Average visibility in January
Sinaboi, 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).
