January weather forecast
Kochi, Japan

Beginning the year in Kochi, Japan, the climate expresses a chill, as temperatures typically hover at a low of 1.6°C (34.9°F), making it an ideal month for those preferring cooler conditions. Rainfall is moderate compared to the other months, but humidity remains relatively low. Long walks and outdoor activities during daylight hours can prove refreshing, especially with the sun shining more than half of each day. The sea temperature, meanwhile, stays cool, indicating that beach activities may be a touch chilly this month. As winter becomes spring, the weather in January sets the stage for warming trends on the way.

Temperature

January is the coldest month in Kochi, Japan, with the temperature often reaching an average high of 11.9°C (53.4°F) and an average low of 1.6°C (34.9°F).

Humidity

In January, the average relative humidity in Kochi is 60%.

Rainfall

In Kochi, in January, during 13.1 rainfall days, 59mm (2.32") of precipitation is typically accumulated. Throughout the year, there are 188.2 rainfall days, and 2548mm (100.31") of precipitation is accumulated.

Sea temperature

In January, the average sea temperature is 17.3°C (63.1°F).
Note: Most people find swimming in 17.3°C (63.1°F) unenjoyable. As the water temperature falls from 21°C (69.8°F) to 15°C (59°F), controlling one's breathing becomes harder.

Daylight

In January, the average length of the day in Kochi, Japan, is 10h and 13min.
On the first day of the month, sunrise is at 07:09 and sunset at 17:08. On the last day of January, sunrise is at 07:03 and sunset at 17:35 JST.

Sunshine

The average sunshine in January in Kochi is 6.1h.

UV index

January and December, with an average maximum UV index of 3, are months with the lowest UV index in Kochi, Japan. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: A maximum UV index of 3 in January translates into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.