Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
January
Weather in January
Temperature
January proves to be the coldest month, recording an average maximum temperature of 29.8°C (85.6°F) and a minimum temperature of 24.3°C (75.7°F).Heat index
For January, the heat index is appraised at a very hot 37°C (98.6°F). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. 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 particularly relevant to children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
Evaporating sweat, thanks to perspiration, acts as a natural air conditioner for the human body. An increase in relative humidity disrupts body cooling by slowing the evaporation rate, thereby reducing the rate at which the body cools and amplifying the sense of heat. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.
Humidity
In January, the average relative humidity is 78%.Rainfall
In Petir, Indonesia, during January, the rain falls for 29.4 days and regularly aggregates up to 165mm (6.5") of precipitation. Throughout the year, in Petir, there are 292.5 rainfall days, and 1468mm (57.8") of precipitation is accumulated.Daylight
In January, the average length of the day in Petir, Indonesia, is 12h and 26min.On the first day of January in Petir, sunrise is at 05:44 and sunset at 18:12. On the last day of the month, sunrise is at 05:56 and sunset at 18:20 WIB.
Sunshine
In January, the average sunshine is 9h.UV index
With an average maximum UV index of 6, January is the month with the lowest UV index. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.Note: In January, the maximum UV index of 6 suggests this advice:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Petir?
How hot is January in Petir?
What is the average humidity in January in Petir?
How many days does it rain in January in Petir?
How many hours of daylight does Petir have in January?
When is the sunrise / sunset in January in Petir?
How many hours of sunshine does Petir have in January?
When is the lowest UV index in Petir?
How high is the UV index in January in Petir?
Average temperature in January
Petir, Indonesia
- Average high temperature in January: 29.8°C
The warmest month (with the highest average high temperature) is October (32.2°C).
The month with the lowest average high temperature is January (29.8°C).
- Average low temperature in January: 24.3°C
The month with the highest average low temperature is May (24.8°C).
The coldest month (with the lowest average low temperature) is August (23.1°C).
Average pressure in January
Petir, Indonesia
- Average pressure in January: 1009.7mbar
The month with the highest atmospheric pressure is September (1011.1mbar).
The month with the lowest atmospheric pressure is December (1009.3mbar).
Average wind speed in January
Petir, Indonesia
- Average wind speed in January: 9.4km/h
The windiest month (with the highest average wind speed) is January (9.4km/h).
The calmest month (with the lowest average wind speed) is August (5km/h).
Average humidity in January
Petir, Indonesia
- Average humidity in January: 78%
The months with the highest relative humidity are February and March (80%).
The months with the lowest relative humidity are September and October (71%).
Average rainfall in January
Petir, Indonesia
- Average rainfall in January: 165mm
The wettest month (with the highest rainfall) is March (189mm).
The driest month (with the least rainfall) is August (45mm).
Average rainfall days in January
Petir, Indonesia
- Average rainfall days in January: 29.4 days
The month with the highest number of rainy days is January (29.4 days).
The month with the least rainy days is August (14.3 days).
Average daylight in January /
Average sunshine in January
Petir, Indonesia
- Average daylight in January: 12h and 2min
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 48min).
- Average sunshine in January: 9h and 0min
The month with the most sunshine is December (Average sunshine: 9h and 12min).
The months with the least sunshine are June and July (Average sunshine: 7h and 0min).
Average sunshine days in January
Petir, Indonesia
- Average sunshine days in January: 0.8 days
The month with the most sunshine days is August (14 days).
The month with the least sunshine days is February (0.7 days).
Average UV index in January
Petir, Indonesia
- Average UV index in January: 6
The months with the highest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is January (UV index 6).
Average cloud cover in January
Petir, Indonesia
- Average cloud cover in January: 48
The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in January
Petir, Indonesia
- Average visibility in January: 9km
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, November and December (9km).
