City in Nagano, Japan
Nagano
Host of the 1998 Winter Olympics and the gateway to Hakuba, Shiga Kogen and Nozawa Onsen.
Nagano snow forecast
Out of season.
Forecasts for Nagano pause outside the snow season and start again in October. The snow record below shows when it usually snows here.
Where is Nagano?
When does it snow in Nagano?
In Nagano, snow falls on about 11 days in January in a typical year, the snowiest month. Snow is regular from December to March.
| January | February | March | April | May | June | July | August | September | October | November | December |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 11 days | 9 days | 5 days | <1 days | 0 days | 0 days | 0 days | 0 days | 0 days | 0 days | 2 days | 9 days |
Average days each month with at least 1 cm of snowfall, 2016–2025. Calculated from ERA5 reanalysis data.
Snow in Nagano month by month
Averages for 2016 to 2025, from ERA5 reanalysis data.
| Month | Snow days | Share of the year's snow | Low to high |
|---|---|---|---|
| January | 11 | 31% | −5 to 5 °C (23 to 41 °F) |
| February | 9 | 24% | −4 to 6 °C (25 to 43 °F) |
| March | 5 | 15% | 0 to 11 °C (32 to 52 °F) |
| April | <1 | 1% | 5 to 17 °C (41 to 63 °F) |
| May | 0 | 0% | 11 to 22 °C (52 to 72 °F) |
| June | 0 | 0% | 16 to 25 °C (61 to 77 °F) |
| July | 0 | 0% | 20 to 29 °C (68 to 84 °F) |
| August | 0 | 0% | 21 to 31 °C (70 to 88 °F) |
| September | 0 | 0% | 18 to 26 °C (64 to 79 °F) |
| October | 0 | 0% | 10 to 19 °C (50 to 66 °F) |
| November | 2 | 3% | 4 to 14 °C (39 to 57 °F) |
| December | 9 | 26% | −2 to 8 °C (28 to 46 °F) |
Snow in Nagano in December
In December, Nagano gets snow on about 9 days, and the month brings about 26% of the year's snowfall. Daily temperatures usually run from −2 to 8 °C (28 to 46 °F).
Snow in Nagano in January
In January, Nagano gets snow on about 11 days, and the month brings about 31% of the year's snowfall. Daily temperatures usually run from −5 to 5 °C (23 to 41 °F).
Snow in Nagano in February
In February, Nagano gets snow on about 9 days, and the month brings about 24% of the year's snowfall. Daily temperatures usually run from −4 to 6 °C (25 to 43 °F).
Snow in Nagano in March
In March, Nagano gets snow on about 5 days, and the month brings about 15% of the year's snowfall. Daily temperatures usually run from 0 to 11 °C (32 to 52 °F).
Which winters were snowiest in Nagano?
Of the last ten winters in Nagano, 2024/25 was the snowiest, about 45% above the ten-year average. The leanest was 2020/21, about 35% below average. The biggest single day of snowfall in the record was 29 January 2016.
| Winter | Compared with average | |
|---|---|---|
| 2016/17 | 124% of average | |
| 2017/18 | 83% of average | |
| 2018/19 | 80% of average | |
| 2019/20 | 77% of average | |
| 2020/21 | 65% of average | |
| 2021/22 | 116% of average | |
| 2022/23 | 86% of average | |
| 2023/24 | 129% of average | |
| 2024/25 | 145% of average | |
| 2025/26 | 93% of average |
Winters are compared with each other rather than given in centimetres. The ERA5 record is reliable on which winters were big and which were lean, but it underestimates absolute snowfall in the mountains, so the resort's own measured totals are the ones to trust for amounts.
Questions about snow in Nagano
Does Nagano have snow at Christmas?
Nagano had at least 2.5 cm (1 in) of snow on the ground on Christmas Day in 9 of the 10 years from 2016 to 2025. Fresh snow fell during 20 to 26 December in 9 of those years.
Does Nagano have snow at New Year?
Nagano had at least 2.5 cm (1 in) of snow on the ground on New Year's Day in 9 of the 10 years from 2016 to 2025. Fresh snow fell during 27 December to 2 January in 9 of those years.
Does Nagano have snow in mid-February?
Nagano had at least 2.5 cm (1 in) of snow on the ground on 15 February in every one of the 10 years from 2016 to 2025. Fresh snow fell during 10 to 20 February in every one of those years.
Does Nagano have snow at Easter?
Nagano had at least 2.5 cm (1 in) of snow on the ground on Easter Sunday in 7 of the 10 years from 2016 to 2025. Fresh snow fell during Good Friday to Easter Monday in 1 of those years.
How many days a year does it snow in Nagano?
It snows on about 36 days a year in Nagano, counting days with at least 1 cm of snowfall, averaged over 2016 to 2025. January has the most, about 11 days.
What is the snowiest month in Nagano?
January is the snowiest month in Nagano, bringing about 31% of the year's snowfall, based on ERA5 reanalysis data for 2016 to 2025.
Which recent winter was the snowiest in Nagano?
Of the last ten winters in Nagano, 2024/25 was the snowiest, about 45% above the ten-year average. The leanest was 2020/21, about 35% below average.
How cold does Nagano get in winter?
January is the coldest month in Nagano, with average daily lows of −5 °C (23 °F) and highs of 5 °C (41 °F).
Snow forecasts near Nagano
Nearest ski resorts to Nagano
Sources: Nagano on Wikidata, Elevation from the Open-Meteo terrain model at the city centre coordinates