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City in Nagano, Japan
Nagano
Host of the 1998 Winter Olympics and the gateway to Hakuba, Shiga Kogen and Nozawa Onsen.
Forecast updated , when it was 19:00 in Nagano (GMT+9).
Nagano snow forecast
Next 24 hours
No snow in the next 24 hours.
No snow expected in the next 7 days.
High confidence, all three forecast models agree
No snow is forecast for Nagano in the next 7 days, and all three weather models we compare agree. Expect temperatures from 6 to 16 °C (43 to 61 °F) and the freezing level near 3,250 m (10,700 ft) over the next day.
- Temperature now
- 9 °C (48 °F)
- Freezing level
- 3,250 m (10,700 ft)
- Wind
- 2 km/h (1 mph), gusts 6 km/h (4 mph)
- Sky now
- Overcast, 90% cloud
Nagano hour by hour
Hourly snowfallNo rain or snow in Nagano in the next 24 hours.
Nagano 7-day snow forecast
| Day | Weather | Snowfall |
|---|---|---|
| Tonight | Dry8 to 9 °C (46 to 48 °F) · freezing level 3,200 m (10,500 ft) | No snow |
| Sat | Cloudy6 to 16 °C (43 to 61 °F) · freezing level 3,200 m (10,500 ft) | No snow |
| Sun | Rain10 to 13 °C (50 to 55 °F) · freezing level 3,050 m (10,000 ft) | No snow |
| Mon | Rain7 to 12 °C (45 to 54 °F) · freezing level 2,400 m (7,900 ft) | No snow |
| Tue | Cloudy6 to 15 °C (43 to 59 °F) · freezing level 2,700 m (8,900 ft) | No snow |
| Wed | Rain9 to 14 °C (48 to 57 °F) · freezing level 2,800 m (9,200 ft) | No snow |
| Thu | Rain5 to 10 °C (41 to 50 °F) · gusts 44 km/h (27 mph) · freezing level 1,350 m (4,400 ft) | No snow |
Sky is graded over the ski day, 9am to 4pm. Bluebird means at least two of the three models show clear skies all day, none shows overcast, and no snow or rain is forecast. Models are weaker on cloud than on snow, and none of them can see valley fog, so treat it as a good sign rather than a promise.
Nagano 14-day snow outlook
Days 8 to 14. Only two of our three models run this far ahead, and forecasts at this range often change, so read this as a guide to the pattern rather than a plan.
| Day | Weather | Snowfall |
|---|---|---|
| Fri 20 Nov | Rain3 to 10 °C (37 to 50 °F) | No snow |
| Sat 21 Nov | Rain3 to 9 °C (37 to 48 °F) | No snow |
| Sun 22 Nov | Sunny1 to 9 °C (34 to 48 °F) | No snow |
| Mon 23 Nov | Rain1 to 11 °C (34 to 52 °F) | No snow |
| Tue 24 Nov | Some sun2 to 11 °C (36 to 52 °F) | No snow |
| Wed 25 Nov | Cloudy2 to 8 °C (36 to 46 °F) | No snow |
| Thu 26 Nov | Some sun3 to 11 °C (37 to 52 °F) | No snow |
How much snow is there in Nagano?
No snow on the ground
This is an estimate from weather models, not a measurement, so it can differ from the depth a resort reports on its pistes.
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