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
Transitioning from December to January, Sleman observes an average high-temperature of a still moderately hot 28.6°C (83.5°F), differing subtly from the previous month. Sleman records an average nighttime low of 23.3°C (73.9°F) in January.Heat index
The heat index for January is appraised at a hot 34°C (93.2°F). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.Consider that heat index readings are for situations in the shade and light wind. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', melds the effects of warmth and moisture to generate a feeling of heat. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
Humidity
In January, the average relative humidity is 83%.Rainfall
In Sleman, in January, during 30.3 rainfall days, 209mm (8.23") of precipitation is typically accumulated. Throughout the year, in Sleman, there are 294.6 rainfall days, and 1749mm (68.86") of precipitation is accumulated.Daylight
In January, the average length of the day is 12h and 31min.On the first day of January in Sleman, sunrise is at 05:24 and sunset at 17:58. On the last day of the month, sunrise is at 05:38 and sunset at 18:05 WIB.
Sunshine
In Sleman, the average sunshine in January is 8.6h.UV index
January, April through September, November and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.Note: A maximum high daily UV index of 6 during January translates into the following directions:
Resist overexposure. Safeguarding from solar damage is indispensable. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Frequently asked questions
How hot is January in Sleman?
What is the average humidity in January in Sleman?
How much does it rain in Sleman in January?
What is the average length of the day in January in Sleman?
What time are sunrise and sunset in January in Sleman?
How long on average sun shines in January in Sleman?
What are the months with the lowest UV index in Sleman?
What is the UV index intensity in January in Sleman?
Average temperature in January
Sleman, Indonesia
- Average high temperature in January: 28.6°C
The warmest month (with the highest average high temperature) is October (29.3°C).
The month with the lowest average high temperature is July (27.7°C).
- Average low temperature in January: 23.3°C
The months with the highest average low temperature are January and November (23.3°C).
The coldest month (with the lowest average low temperature) is August (21°C).
Average pressure in January
Sleman, Indonesia
- Average pressure in January: 1009.2mbar
The months with the highest atmospheric pressure are August and September (1011.8mbar).
The month with the lowest atmospheric pressure is December (1009mbar).
Average wind speed in January
Sleman, Indonesia
- Average wind speed in January: 9.2km/h
The windiest month (with the highest average wind speed) is August (11.6km/h).
The calmest month (with the lowest average wind speed) is April (7km/h).
Average humidity in January
Sleman, Indonesia
- Average humidity in January: 83%
The months with the highest relative humidity are May and June (84%).
The months with the lowest relative humidity are September and October (80%).
Average rainfall in January
Sleman, Indonesia
- Average rainfall in January: 209mm
The wettest month (with the highest rainfall) is March (236mm).
The driest month (with the least rainfall) is August (29mm).
Average rainfall days in January
Sleman, Indonesia
- Average rainfall days in January: 30.3 days
The month with the highest number of rainy days is January (30.3 days).
The month with the least rainy days is August (13.8 days).
Average daylight in January /
Average sunshine in January
Sleman, Indonesia
- Average daylight in January: 12h and 3min
The month with the longest days is December (Average daylight: 12h and 36min).
The month with the shortest days is June (Average daylight: 11h and 42min).
- Average sunshine in January: 8h and 4min
The month with the most sunshine is February (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).
Average sunshine days in January
Sleman, Indonesia
- Average sunshine days in January: 0.4 days
The month with the most sunshine days is August (11.1 days).
The months with the least sunshine days are January and February (0.4 days).
Average UV index in January
Sleman, Indonesia
- Average UV index in January: 6
The months with the highest UV index are February, March and October (UV index 7).
The months with the lowest UV index are January, April, May, June, July, August, September, November and December (UV index 6).
Average cloud cover in January
Sleman, Indonesia
- Average cloud cover in January: 52
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July and August (Cloud cover 38).
Average visibility in January
Sleman, Indonesia
- Average visibility in January: 9km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May, October, November and December (9km).
Sleman, Indonesia
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