January weather forecast
Cheongju, South Korea

The initial month of the year in Cheongju, South Korea experiences relatively cold temperatures. The most chill is felt at night with lows reaching -6.9°C (19.6°F). With the shortest daylight span in the year, individuals often find themselves limiting outdoor activities. Surprisingly, the city receives a moderate amount of rainfall. As the month concludes, weather parameters show a minor uptick, preparing for the transition to February.

Temperature

January, with its high-temperature average of 2.9°C (37.2°F) and a low-temperature average of -6.9°C (19.6°F), is the coldest month.

Humidity

In January, the average relative humidity in Cheongju is 67.2%.

Rainfall

In Cheongju, South Korea, in January, during 8 rainfall days, 26mm (1.02") of precipitation is typically accumulated. Throughout the year, in Cheongju, there are 113.1 rainfall days, and 1239mm (48.78") of precipitation is accumulated.

Daylight

In Cheongju, South Korea, the average length of the day in January is 9h and 59min.
On the first day of January in Cheongju, sunrise is at 07:42 and sunset at 17:24. On the last day of the month, sunrise is at 07:33 and sunset at 17:53 KST.

Sunshine

In January, the average sunshine in Cheongju is 5.3h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index of 2 during January translates into these guidelines:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.