January weather forecastWonogiri, Indonesia

Weather in January

January, the same as December, is a moderately hot summer month in Wonogiri, Indonesia, with an average temperature ranging between min 22.8°C (73°F) and max 28.8°C (83.8°F).

Temperature

The start of January sees the average high-temperature at a still warm 28.8°C (83.8°F), showing little difference from December's 29°C (84.2°F). Wonogiri usually reports an average low-temperature of 22.8°C (73°F) during the month of January.

Heat index

January's mean heat index is estimated at a torrid 35°C (95°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
One should consider that heat index numbers are for shaded settings and light wind. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', melds the effects of warmth and moisture to generate a feeling of heat. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
The body's self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

The average relative humidity in January in Wonogiri, Indonesia, is 84%.

Rainfall

In Wonogiri, during January, the rain falls for 25.1 days and regularly aggregates up to 138mm (5.43") of precipitation. In Wonogiri, during the entire year, the rain falls for 247.2 days and collects up to 1234mm (48.58") of precipitation.

Daylight

In Wonogiri, the average length of the day in January is 12h and 31min.
On the first day of January, sunrise is at 05:22 and sunset at 17:56. On the last day of the month, sunrise is at 05:36 and sunset at 18:03 WIB.

Sunshine

In Wonogiri, the average sunshine in January is 7.8h.

UV index

The months with the lowest UV index in Wonogiri are January, March through August, November and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: In January, the maximum UV index of 6 translates into these guidelines:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. 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. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.