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Isahaya weather in January (Nagasaki, Japan)

What can you expect from the weather in Isahaya during January? Wondering if it's an optimal time for a visit? This page provides detailed information on the weather conditions for that month.

In January, Isahaya generally has low temperatures and moderate rainfall. January falls within the winter season. Throughout the daytime, temperatures often hover around 11°C. However, as the sun sets and evening approaches, there's a noticeable cool-down, with temperatures gently dropping to a more temperate 6°C. On average, January has the most moderate temperatures of the year.

Isahaya in January usually receives moderate rainfall, averaging around 80 mm for the month. It's the month with the least rainfall. Whether you're keen on hiking, outdoor festivals, or just enjoying a walk in the park, this month provides a reliably dry backdrop for all your plans. Typically around 20 days of rainfall is expected.

The city usually sees around 104 hours of sunlight, indicating a moderately sunny period.

If your ideal day consists of dry skies and moderate temperatures October generally stands out with the best circumstances. While February, June and July tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Isahaya climate page with graphs.

 

Isahaya, monthly averages in January

Min TemperatureMin Temperature 6°C  
Max TemperatureMax Temperature 11°C  
Water TemperatureWater Temperature 16°C *  
Chance of RainChance of Rain 67%  
PrecipitationPrecipitation 80 mm  
Rainy daysRainy days 20 days  
HumidityHumidity 66% *  
WindspeedWindspeed 7 km/h *  
SunshineSunshine 104 hours *  
Percentage SunshinePercentage Sunshine 32% *  
* Data from: Nagasaki, Japan (23 KM, 14 Miles).

Where to go in Japan in January

Find out more about the weather in Japan in January and which places have the best weather conditions in this month.

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Isahaya in January?

Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly. Bring a rain jacket in case it rains during your stay. With a water temperature of around 16°C there is no need to bring your swimwear.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in January.

Swimming
5/10
Cycling
6/10
Walking
6/10
Camping
4/10
Outdoor sports
6/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Isahaya.

Our site offers climate and forecast data for every country in the world. Are you going to Japan? On this website you can find historical weather averages for many cities in Japan. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.