January weather forecastPematangsiantar, Indonesia
January weather for Pematangsiantar, Indonesia: January, November and December, with an average relative humidity of 87%, are the most humid months in Pematangsiantar. January, the same as December, is another warm winter month in Pematangsiantar, Indonesia, with an average temperature ranging between min 20°C (68°F) and max 27.8°C (82°F).
January
Weather in January
January, the same as December, is another warm winter month in Pematangsiantar, Indonesia, with an average temperature ranging between min 20°C (68°F) and max 27.8°C (82°F).Temperature
January's onset brings an average high-temperature of a still moderately hot 27.8°C (82°F), showing a minute difference from December's 27.7°C (81.9°F). In January, the average low-temperature is a pleasant 20°C (68°F).Heat index
In January, the average heat index is evaluated at a tropical 33°C (91.4°F). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.Bear in mind that the heat index values are determined for shaded areas and light breezes. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'feels like', determines the feeling of heat when you account for the relative humidity. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. 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.
Humidity
January, November and December, with an average relative humidity of 87%, are the most humid months in Pematangsiantar.Rainfall
In Pematangsiantar, Indonesia, in January, during 28.8 rainfall days, 175mm (6.89") of precipitation is typically accumulated. In Pematangsiantar, during the entire year, the rain falls for 317.9 days and collects up to 2279mm (89.72") of precipitation.Daylight
In January, the average length of the day is 11h and 58min.On the first day of the month, sunrise is at 06:28 and sunset at 18:25. On the last day of January, in Pematangsiantar, sunrise is at 06:37 and sunset at 18:36 WIB.
Sunshine
January and December, with an average of 7.2h of sunshine, are months with the least sunshine in Pematangsiantar.UV index
The months with the highest UV index in Pematangsiantar are January through December, with an average maximum UV index of 6. January through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The average daily UV index of 6 in January transforms into the following instructions:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full 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
Pematangsiantar, Indonesia
- Average high temperature in January: 27.8°C
The warmest month (with the highest average high temperature) is June (30.1°C).
The month with the lowest average high temperature is December (27.7°C).
- Average low temperature in January: 20°C
The month with the highest average low temperature is May (21.3°C).
The coldest month (with the lowest average low temperature) is January (20°C).
Average pressure in January
Pematangsiantar, Indonesia
- Average pressure in January: 1010.8mbar
The month with the highest atmospheric pressure is January (1010.8mbar).
The month with the lowest atmospheric pressure is May (1009.6mbar).
Average wind speed in January
Pematangsiantar, Indonesia
- Average wind speed in January: 4.5km/h
The windiest month (with the highest average wind speed) is February (4.8km/h).
The calmest month (with the lowest average wind speed) is November (4km/h).
Average humidity in January
Pematangsiantar, Indonesia
- Average humidity in January: 87%
The months with the highest relative humidity are January, November and December (87%).
The months with the lowest relative humidity are June, July and August (82%).
Average rainfall in January
Pematangsiantar, Indonesia
- Average rainfall in January: 175mm
The wettest month (with the highest rainfall) is April (237mm).
The driest month (with the least rainfall) is February (127mm).
Average rainfall days in January
Pematangsiantar, Indonesia
- Average rainfall days in January: 28.8 days
The month with the highest number of rainy days is December (29.3 days).
The month with the least rainy days is June (22.6 days).
Average daylight in January /
Average sunshine in January
Pematangsiantar, Indonesia
- Average daylight in January: 12h and 0min
The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 12h and 0min).
- Average sunshine in January: 7h and 12min
The months with the most sunshine are March and August (Average sunshine: 8h and 18min).
The months with the least sunshine are January and December (Average sunshine: 7h and 12min).
Average sunshine days in January
Pematangsiantar, Indonesia
- Average sunshine days in January: 1.4 days
The month with the most sunshine days is June (6.1 days).
The month with the least sunshine days is December (0.8 days).
Average UV index in January
Pematangsiantar, Indonesia
- Average UV index in January: 6
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
Average cloud cover in January
Pematangsiantar, Indonesia
- Average cloud cover in January: 51
The month with the most cloud cover is December (Cloud cover 52).
The months with the least cloud cover are June, July and August (Cloud cover 39).
Average visibility in January
Pematangsiantar, Indonesia
- Average visibility in January: 7km
The months with the highest visibility are March, June, July, August, September, October and November (8km).
The months with the lowest visibility are January, February, April, May and December (7km).
