January weather forecast
Goroka, Papua New Guinea

January signals the beginning of a new year in Goroka, bringing with a fair amount of overcast skies in contrast to the year-end festive period. A consistent feature of the January landscape is the abundant rainfall, with January experiencing a significant 241mm (9.49") all through the month. Compared to February, January tends to be a touch wetter, assuring the continuation of the wet season. The rainfall helps maintain luscious green expanses in and around Goroka. Despite these showers, the weather strikes a nearly perfect balance allowing for sunlit days featuring rich, vibrant hues.

Temperature

The advent of January signifies a minor shift to an average high-temperature of a still warm 28°C (82.4°F), aligning closely with December. Goroka's January nights represent a significant downturn from the day's heat, with an average temperature of 13°C (55.4°F).

Rainfall

In Goroka, during January, the rain falls for 23 days and regularly aggregates up to 241mm (9.49") of precipitation. In Goroka, during the entire year, the rain falls for 257 days and collects up to 2236mm (88.03") of precipitation.

Daylight

In Goroka, Papua New Guinea, the average length of the day in January is 12h and 26min.
On the first day of January, sunrise is at 06:07 and sunset at 18:35. On the last day of the month, sunrise is at 06:20 and sunset at 18:43 +10.

Sunshine

The months with the most sunshine are January, February, June, September through December, with an average of 5h of sunshine.

UV index

January through May, July through December, with an average maximum UV index of 12, are months with the highest UV index. A UV Index estimate of 11, and higher, represents an ultimate health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 12 during January leads to these advisories:
Adopt all important safety measures, unprotected skin may burn rapidly. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Reduce the risk of sunburn by avoiding prolonged exposure and using sunscreen of at least 30 SPF.