January weather forecast
Yamagata, Japan

Kicking off the year, January sees the harshest winter conditions in Yamagata, Japan. Possessing the shortest daylight duration of any month, the sun luxuriates above the horizon for 9.9 hours only. Snow is a persistent feature in the landscape during January with snowfall reaching 1630mm (64.17"), making it the snowiest month in the year. Natural light is sparse while snow lovers take delight in the wintery blanket enveloping the city. By comparison, January immensely contrasts with what is coming in February, hinting at a slight relaxation in the severe cold.

Temperature

The coldest month is January, with an average high-temperature of 3°C (37.4°F) and an average low-temperature of -4°C (24.8°F).

Rainfall

In Yamagata, Japan, in January, during 29 rainfall days, 75mm (2.95") of precipitation is typically accumulated. Throughout the year, in Yamagata, Japan, there are 260 rainfall days, and 1125mm (44.29") of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. January is the month with the most snowfall, with 1630mm (64.17") of accumulated snow.

Daylight

The average length of the day in January is 9h and 51min.
On the first day of January in Yamagata, sunrise is at 06:55 and sunset at 16:28. On the last day of the month, sunrise is at 06:44 and sunset at 16:58 JST.

Sunshine

In January, the average sunshine in Yamagata is 4h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high UV index of 2 in January translates into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.