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
Weather in January
Temperature
January proves to be the coldest month, recording an average maximum temperature of 29.6°C (85.3°F) and a minimum temperature of 25.6°C (78.1°F).Heat index
The heat index in January is computed to be a very hot 35°C (95°F). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an estimation of the warmth sensation when considering humidity levels. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
As a reaction to high temperatures, the human body begins to perspire, using the evaporation of sweat to lower its temperature. Under high air temperature and high humidity (high heat index) conditions, the body's ability to perspire is compromised, increasing the sensation of heat. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.
Humidity
In January, the average relative humidity is 75%.Rainfall
In Sirsak, during January, the rain falls for 25.7 days and regularly aggregates up to 136mm (5.35") of precipitation. In Sirsak, during the entire year, the rain falls for 283.6 days and collects up to 1323mm (52.09") of precipitation.Daylight
The average length of the day in January is 12h and 26min.On the first day of January in Sirsak, Indonesia, sunrise is at 05:41 and sunset at 18:10. On the last day of the month, sunrise is at 05:54 and sunset at 18:17 WIB.
Sunshine
In Sirsak, Indonesia, the average sunshine in January is 9.3h.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 in Sirsak are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In January, the UV index of 7 transforms into the following advice:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Frequently asked questions
What part of the year is the coldest in Sirsak?
How hot is it in Sirsak in January?
What is the average humidity in January in Sirsak?
How many days does it rain in January in Sirsak?
What is the average length of the day in January in Sirsak?
What time are sunrise and sunset in January in Sirsak?
How long on average sun shines in January in Sirsak?
When is the highest UV index in Sirsak?
When is the lowest UV index in Sirsak?
How high is the UV index in January in Sirsak?
Average temperature in January
Sirsak, Indonesia
- Average high temperature in January: 29.6°C
The warmest month (with the highest average high temperature) is October (31.3°C).
The month with the lowest average high temperature is January (29.6°C).
- Average low temperature in January: 25.6°C
The months with the highest average low temperature are October and November (26.5°C).
The coldest month (with the lowest average low temperature) is July (24.9°C).
Average pressure in January
Sirsak, 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 (1009.2mbar).
Average wind speed in January
Sirsak, Indonesia
- Average wind speed in January: 12.6km/h
The windiest month (with the highest average wind speed) is January (12.6km/h).
The calmest month (with the lowest average wind speed) is September (8.6km/h).
Average humidity in January
Sirsak, Indonesia
- Average humidity in January: 75%
The months with the highest relative humidity are February and March (76%).
The months with the lowest relative humidity are September and October (69%).
Average rainfall in January
Sirsak, Indonesia
- Average rainfall in January: 136mm
The wettest month (with the highest rainfall) is February (162mm).
The driest month (with the least rainfall) is August (49mm).
Average rainfall days in January
Sirsak, Indonesia
- Average rainfall days in January: 25.7 days
The month with the highest number of rainy days is March (28.1 days).
The month with the least rainy days is August (15.3 days).
Average daylight in January /
Average sunshine in January
Sirsak, 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 2min
The month with the most sunshine is March (Average sunshine: 10h and 18min).
The month with the least sunshine is July (Average sunshine: 7h and 12min).
Average sunshine days in January
Sirsak, Indonesia
- Average sunshine days in January: 3.7 days
The month with the most sunshine days is August (10.5 days).
The month with the least sunshine days is March (1.8 days).
Average UV index in January
Sirsak, 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
Sirsak, Indonesia
- Average cloud cover in January: 46
The month with the most cloud cover is January (Cloud cover 46).
The months with the least cloud cover are August and September (Cloud cover 22).
Average visibility in January
Sirsak, Indonesia
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Sirsak, Indonesia
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