April weather forecast
Yamagata, Japan

In Yamagata, April brings a distinct change in seasons. Patchy white landscapes give way to vibrant blooming cherry blossoms, heralding the arrival of spring. The transition from the last snowfall in March to no measurable snowfall in April paves the way for outdoor activities. Weather enthusiasts note the hastened increase of UV Index in April's fair weather. Arguably, these conditions, alluding to the gentle warmth of May, make April a generally enjoyable time to visit Yamagata.

Temperature

With the beginning of April, Yamagata's average high-temperature experiences a significant increase, moving from a chilly 8°C (46.4°F) in March to a refreshing 16°C (60.8°F). Contrasted against daytime highs, Yamagata records an average nighttime low of 4°C (39.2°F) in April.

Rainfall

In Yamagata, Japan, in April, during 18 rainfall days, 68mm (2.68") of precipitation is typically accumulated. In Yamagata, during the entire year, the rain falls for 260 days and collects up to 1125mm (44.29") of precipitation.

Snowfall

January through April, November and December are months with snowfall in Yamagata. April is the last month it regularly snows in Yamagata, Japan. Throughout April, Yamagata aggregates 30mm (1.18") of snow. In Yamagata, Japan, during the entire year, snow aggregates up to 4880mm (192.13").

Daylight

The average length of the day in April is 13h and 12min.
On the first day of April in Yamagata, sunrise is at 05:23 and sunset at 18:01. On the last day of the month, sunrise is at 04:42 and sunset at 18:28 JST.

Sunshine

In Yamagata, the average sunshine in April is 6h.

UV index

In April, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In April, the maximum UV index of 6 suggests these recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.