Nagano
January
Weather in Nagano for January 2027
Your guide to Nagano weather in January - trends and predictions
Nagano is transformed into a snow paradise in January, with more than 20 snowy days on average.
In general, the average temperature in Nagano at the beginning of January is 2.1 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 1.6 °C by the end of January.
Is January a good time to visit Nagano? check out the best time to travel to Nagano page.
✨ Is January a good time to visit Nagano? – Ask the AI Weatherman
Snow Forecast ❄️
Temperatures
More
6
Dry days
4
Rainy days
21
Snow days
2°/-7°
Temperatures
9 km/h
Avg max wind
86 %
Avg humidity
Nagano Weather January
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What’s the Weather Like in Nagano This January?
Discover the average temperatures and weather trends across Nagano’s cities this January.
Temperatures trend during January in Nagano
See the weather trend as well as the moving average line
January weather in Nagano day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Jan. |  Light snow | 1° /-7° | 9 mm | 4.5 cm | |
| 2 Jan. |  Moderate snow | 2° /-8° | 9.5 mm | 6.2 cm | |
| 3 Jan. | Light snow | 2° /-6° | 6.6 mm | 3.8 cm | |
| 4 Jan. |  Moderate or heavy snow showers | 1° /-8° | 11 mm | 6.6 cm | |
| 5 Jan. |  Light freezing rain | 3° /-7° | 5.9 mm | 2.1 cm | |
| 6 Jan. | Light freezing rain | 3° /-6° | 5.8 mm | 1.2 cm | |
| 7 Jan. | Light freezing rain | 2° /-6° | 7.6 mm | 4.2 cm | |
| 8 Jan. | Moderate or heavy snow showers | 1° /-8° | 11.3 mm | 7.3 cm | |
| 9 Jan. | Light snow | 2° /-9° | 5.1 mm | 2.5 cm | |
| 10 Jan. | Light snow | 2° /-7° | 6.6 mm | 3.9 cm | |
| 11 Jan. | Light snow | 2° /-7° | 6.8 mm | 3.3 cm | |
| 12 Jan. | Light snow | 3° /-8° | 4.8 mm | 2.3 cm | |
| 13 Jan. | Moderate or heavy snow showers | 4° /-7° | 9.4 mm | 6 cm | |
| 14 Jan. | Light snow | 4° /-6° | 5.4 mm | 2.7 cm | |
| 15 Jan. | Light snow | 4° /-5° | 8.8 mm | 4.4 cm | |
| 16 Jan. | Light freezing rain | 3° /-6° | 8.5 mm | 2.9 cm | |
| 17 Jan. | Light snow | 3° /-8° | 5.7 mm | 3 cm | |
| 18 Jan. | Light snow | 2° /-8° | 5.3 mm | 2.7 cm | |
| 19 Jan. | Light freezing rain | 3° /-7° | 3.2 mm | 1.3 cm | |
| 20 Jan. | Light snow | 3° /-6° | 6.3 mm | 3.2 cm | |
| 21 Jan. | Light snow | 2° /-7° | 8.8 mm | 1.8 cm | |
| 22 Jan. | Light freezing rain | 2° /-7° | 3.3 mm | 1 cm | |
| 23 Jan. | Light freezing rain | 4° /-7° | 2.5 mm | 1.5 cm | |
| 24 Jan. | Moderate or heavy snow showers | 1° /-6° | 14.6 mm | 9 cm | |
| 25 Jan. | Light snow | 0° /-9° | 7.1 mm | 4.9 cm | |
| 26 Jan. | Light snow | 2° /-9° | 3.4 mm | 1.9 cm | |
| 27 Jan. |  Moderate rain at times | 3° /-7° | 7.2 mm | 2.8 cm | |
| 28 Jan. | Light snow | 1° /-6° | 6.1 mm | 3.5 cm | |
| 29 Jan. | Moderate or heavy snow showers | 1° /-7° | 8.8 mm | 5.2 cm | |
| 30 Jan. | Light snow | 2° /-7° | 7.8 mm | 4.5 cm | |
| 31 Jan. | Light snow | 2° /-7° | 4.8 mm | 1.9 cm | |
| Next | |||||
Important Notice
Our weather forecast for Nagano in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Nagano forecast closer to your planned date for the most up-to-date weather information.
Change Month
Nagano weather in January vs December vs February
Compare January weather in Nagano with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
| December | January | February | |
|---|---|---|---|
| Weather | Moderate snow | Moderate snow | Moderate snow |
| Temperatures | 5°/-4° | 2°/-7° | 4°/-5° |
| Rainfall | 234 mm | 217 mm | 165 mm |
| Snowfall | 88 cm | 112 cm | 71 cm |
| Wind | 7.9 km/h | 8.6 km/h | 9 km/h |
| Humidity | 83% | 86% | 82% |
| Rainy days | 7 days | 4 days | 3 days |
| Snow days | 14 days | 21 days | 16 days |
| Dry days | 10 days | 6 days | 9 days |
Planning a trip to Nagano? Discover the best time to visit
Nagano in January - FAQ
What are the expected maximum and minimum temperatures in Nagano during January?
Brace for cold days with temperatures not exceeding 2° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Nagano during January?
Significant rainfall exceeding 217.2 mm is expected in Nagano during January, occurring over more than 4 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Nagano in January 2027?
Nagano experiences an average snowfall of 112.1 cm during January, occurring over 21 days.
What are the typical wind conditions in Nagano during January?
The average wind speed in Nagano during January is 9 km/h, suggesting breezy to windy conditions, depending on your activities.
Nagano snow forecast January 2027
Track daily snowfall levels and discover Nagano’s snowy potential this January ❄️
On average, Nagano sees 21 snowy days during January, with approximately 112.1 cm of total snowfall.
January rainfall patterns in Nagano
Explore the daily rainfall trends and prepare for Naganos January weather 💧
Typically, Nagano has 4 rainy days in January with a total of 217.2 mm of rainfall.
What to pack to Nagano in January?
Cold & raw · highs around 2 °C, frequent showers
As you prepare for your trip to Nagano in January, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Nagano, during January, is comfortable and enjoyable, regardless of the weather conditions.
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