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Weather in Nagasaki for January 2026

Your guide to Nagasaki weather in January - trends and predictions

    Snow Forecast ❄️

  • With an average of 2 snowy days, Nagasaki usually enjoys a light touch of snow in January.
    According to Nagasaki snow forecast for January 2026, no snow is expected until the end of the month.

    • Temperatures

  • Until now, January 2026 in Nagasaki has been nearly identical to the historical average, with a temperature of 10.1 °C (showing only a slight deviation of -0.1 °C).

  • The forecast for the upcoming days in Nagasaki predicts a temperature of 9.4 °C, which is slightly above the historical average.

  • In general, the average temperature in Nagasaki at the beginning of January is 9.7 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 8.7 °C by the end of January.

    • Rain 🌧️

  • Nagasaki experiences moderate rainfall in January, with an average of 8 rainy days and a total precipitation of 62.1 mm.

    • More

  • Is January a good time to visit Nagasaki? check out the best time to travel to Nagasaki page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
21
Dry days
Average rainy days
8
Rainy days
Average snowy days
2
Snow days
Average temperatures
9°/5°
Temperatures
Average wind speed
24 km/h
Avg max wind
Average humidity
62 %
Avg humidity

Nagasaki Weather January

Move between months or click on a day
December
February
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Sunny
9°
2
Partly cloudy
8°
3
Overcast
9°
4
Overcast
11°
5
Overcast
11°
6
Light rain shower
11°
7
Light sleet showers
9°
8
Light rain shower
8°
9
Light sleet showers
9°
10
Light freezing rain
10°
11
Moderate or heavy snow showers
8°
12
Moderate or heavy snow showers
9°
13
Patchy rain possible
12°
14
Patchy rain possible
11°
15
Patchy rain possible
14°
16
Patchy rain possible
11°
17
Patchy rain possible
12°
18
Overcast
9°
19
Patchy rain possible
13°
20
Patchy rain possible
12°
21
Sunny
9°
22
Overcast
8°
23
Cloudy
11°
24
Overcast
12°
25
Sunny
9°
26
Overcast
10°
27
Light rain shower
8°
28
Sunny
9°
29
Partly cloudy
9°
30
Partly cloudy
7°
31
Partly cloudy
9°

Temperatures trend during January in Nagasaki

See the weather trend as well as the moving average line

January weather in Nagasaki day by day

Click on a date for more information
December February
Date Weather Temperatures Rain Snow More
1 Jan. Sunny
Sunny
 9° /4° 0 mm 0 cm
2 Jan. Partly cloudy
Partly cloudy
 8° /5° 1.9 mm 0.2 cm
3 Jan. Overcast
Overcast
 9° /4° 0.3 mm 0 cm
4 Jan. Overcast
Overcast
 11° /5° 0 mm 0 cm
5 Jan. Overcast
Overcast
 11° /6° 3 mm 0 cm
6 Jan. Light rain shower
Light rain shower
 11° /6° 6 mm 0 cm
7 Jan. Light sleet showers
Light sleet showers
 9° /6° 1.1 mm 0 cm
8 Jan. Light rain shower
Light rain shower
 8° /4° 2.7 mm 0 cm
9 Jan. Light sleet showers
Light sleet showers
 9° /2° 2.6 mm 0 cm
10 Jan. Light freezing rain
Light freezing rain
 10° /4° 0.5 mm 0 cm
11 Jan. Moderate or heavy snow showers
Moderate or heavy snow showers
 8° /3° 5.2 mm 0.1 cm
12 Jan. Moderate or heavy snow showers
Moderate or heavy snow showers
 9° /3° 10.2 mm 2.8 cm
13 Jan. Patchy rain possible
Patchy rain possible
 12° /6° 0.8 mm 0 cm
14 Jan. Patchy rain possible
Patchy rain possible
 11° /6° 0.2 mm 0 cm
15 Jan. Patchy rain possible
Patchy rain possible
 14° /6° 2.9 mm 0 cm
16 Jan. Patchy rain possible
Patchy rain possible
 11° /6° 0.1 mm 0 cm
17 Jan. Patchy rain possible
Patchy rain possible
 12° /7° 0 mm 0 cm
18 Jan. Overcast
Overcast
 9° /5° 0 mm 0 cm
19 Jan. Patchy rain possible
Patchy rain possible
 13° /7° 0.1 mm 0 cm
20 Jan. Patchy rain possible
Patchy rain possible
 12° /6° 0.1 mm 0 cm
21 Jan. Sunny
Sunny
 9° /5° 0.2 mm 0 cm
22 Jan. Overcast
Overcast
 8° /4° 1 mm 0.8 cm
23 Jan. Cloudy
Cloudy
 11° /6° 0.4 mm 0 cm
24 Jan. Overcast
Overcast
 12° /7° 1.1 mm 0 cm
25 Jan. Sunny
Sunny
 9° /5° 0 mm 0 cm
26 Jan. Overcast
Overcast
 10° /4° 0 mm 0 cm
27 Jan. Light rain shower
Light rain shower
 8° /6° 5.5 mm 0 cm
28 Jan. Sunny
Sunny
 9° /4° 0 mm 0 cm
29 Jan. Partly cloudy
Partly cloudy
 9° /4° 0 mm 0 cm
30 Jan. Partly cloudy
Partly cloudy
 7° /4° 0 mm 0 cm
31 Jan. Partly cloudy
Partly cloudy
 9° /3° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Nagasaki 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 Nagasaki forecast closer to your planned date for the most up-to-date weather information.
Change Month
‹
›

Nagasaki weather in January vs December vs February

Compare January weather in Nagasaki with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
DecemberJanuaryFebruary
WeatherPatchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures11°/8°9°/5°8°/4°
Rainfall31 mm62 mm64 mm
Snowfall0 cm6 cm2 cm
Wind23.2 km/h23.6 km/h27.3 km/h
Humidity61%62%64%
Rainy days13 days8 days7 days
Snow days0 days2 days2 days
Dry days18 days21 days19 days

Planning a trip to Nagasaki? Discover the best time to visit

Nagasaki in January - FAQ

What are the expected maximum and minimum temperatures in Nagasaki during January?

During January, expect a variety of temperatures with highs around 9° and lows near 5°, suitable for diverse activities and preferences.

How much rainfall should be expected in Nagasaki during January?

Moderate rainfall is anticipated in Nagasaki during January, with a total of 62.1 mm spread over approximately 8 days. Considering plans for rainy days is advisable.

Will it snow in Nagasaki in January 2026?

Nagasaki experiences an average snowfall of 5.84 cm during January, occurring over 2 days.

What are the typical wind conditions in Nagasaki during January?

The average wind speed in Nagasaki during January is 24 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Nagasaki in January?

As you prepare for your trip to Nagasaki 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 Nagasaki, during January, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Warm Clothing: Sweaters, hoodies, long pants
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
  • Accessories
    • Scarves: To protect you from the cold wind
    • Gloves/Mittens: Essential for cold weather
    • Warm Hats: Warm hats for insulation in cold weather
    • Umbrellas/Raincoats: For rainy days

Nagasaki snow forecast January 2026

Track daily snowfall levels and discover Nagasaki’s snowy potential this January ❄️
On average, Nagasaki sees 2 snowy days during January, with approximately 5.8 cm of total snowfall.

January rainfall patterns in Nagasaki

Explore the daily rainfall trends and prepare for Nagasakis January weather 💧
Typically, Nagasaki has 8 rainy days in January with a total of 62.1 mm of rainfall.
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Get accurate weather forecasts for Nagasaki, located at latitude 32.75 and longitude 129.883. Stay updated with localized weather information tailored for Nagasaki.

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