Click on a day for an hourly weather forecast
The weather in Nagano in March is very cold with temperatures between -2°C and 9°C, warm clothes are a must.
You can expect rain for roughly half of the month of March in Nagano. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Nagano is going to experience quite a number of days of snow during March. It’s the perfect time to build snowmen, drink hot cocoa, and have a snowball fight. Just remember to wear a warm scarf and a pair of mittens!
Our weather forecast can give you a great sense of what weather to expect in Nagano in March 2025.
If you’re planning to visit Nagano in the near future, we highly recommend that you review the 14 day weather forecast for Nagano before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 2° / -6° | 21 | 1 | 19 | 85 mm | Awful | Nagano in January |
| February | 4° / -6° | 18 | 2 | 13 | 62 mm | Awful | Nagano in February |
| March | 9° / -2° | 14 | 10 | 8 | 60 mm | Awful | Nagano in March |
| April | 15° / 3° | 10 | 19 | 1 | 54 mm | Ok | Nagano in April |
| May | 21° / 9° | 9 | 23 | 0 | 51 mm | Ok | Nagano in May |
| June | 25° / 13° | 11 | 20 | 0 | 63 mm | Good | Nagano in June |
| July | 28° / 18° | 16 | 15 | 0 | 112 mm | Good | Nagano in July |
| August | 29° / 18° | 15 | 16 | 0 | 83 mm | Ok | Nagano in August |
| September | 25° / 14° | 12 | 18 | 0 | 83 mm | Good | Nagano in September |
| October | 19° / 8° | 11 | 21 | 0 | 73 mm | Ok | Nagano in October |
| November | 13° / 3° | 12 | 17 | 1 | 60 mm | Bad | Nagano in November |
| December | 5° / -2° | 18 | 4 | 13 | 85 mm | Awful | Nagano in December |