Weather in March
March in
Niigata sees the lowest sea temperature of 49.6°F, making it a less preferred period for water activities. The daylight hours extend to 12 hours, signaling the impending onset of spring. The weather tends to transition towards a warmer, but still crisp, terrain. With the decrease in cold, March stands as a bridge between the freezing winter and the coming bloom of spring.
Sea temperature
With an average sea temperature of 49.6°F, March is the month with the coldest seawater.
Note: Swimming in 49.6°F is deemed hazardous. Exposure to temperatures below 50°F leads to immediate severe cold shock and hyperventilation.
Daylight
In Niigata, the average length of the day in March is 11h and 58min.
On the first day of March, sunrise is at 06:15 and sunset at 17:37. On the last day of the month, sunrise is at 05:30 and sunset at 18:05 JST.