Weather in Tokyo in January 2025
- January is usually the coldest month of the year in Tokyo;
- January is usually the driest month of the year in Tokyo
Average weather
Average temperature in Tokyo in January
Going from a maximum of +14°C during the day to a minimum of -2°C during the night, the temperature in January averages around +10°C.
The average maximum temperature goes down 25% by the end of the month, compared with the beginning of the month, from +12°C to +8°C.
Is Tokyo warm or cold in January?
Tokyo is typically cool in January.
Maximum temperatures go down compared to the previous month from +12°C to +9°C. The minimum temperature also goes down from +5°C to +2°C.
Pack a sweater and a jacket as there will be cooler temperatures.
January is the coldest month in Tokyo, here is the comparison with other months:
Water temperature in Tokyo in January
Water in Tokyo in January is Cold. It varies from +14°C to +17°C, with an average of +16°C. Note that the air temperature is lower than the water temperature, averaging around +9°C.
The water temperature in January is one of the coldest of the entire year:
Can you swim in Tokyo in January?
Climate in Tokyo in January
| December | January | February | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +12°C | +9°C | +10°C | ||||
| Min. temperature | ||||||
| -5°C | -6°C | -9°C | ||||
| Max. temperature | ||||||
| +24°C | +19°C | +24°C | ||||
| Rainfall | ||||||
| 69 mm | 69 mm | 75 mm | ||||
| Wind | ||||||
| 4 m/s | 4 m/s | 4 m/s | ||||
| Avg. water temperature | ||||||
| +17°C | +16°C | +14°C | ||||
| Humidity | ||||||
| 54% | 50% | 52% | ||||
| Air pressure | ||||||
| 1015 HPa | 1014 HPa | 1015 HPa | ||||
| Sunny days | ||||||
| 11 | 11 | 7 | ||||
| Cloudy days | ||||||
| 9 | 7 | 7 | ||||
| Rainy days | ||||||
| 11 | 10 | 12 | ||||
| Snowy days | ||||||
| 0 | 2 | 2 | ||||
January weather is still as good as in December. It’s getting colder in January. From +12°C in the day, the average maximum temperature lowers to +9°C. The rainfall amount in January stays the same as in the previous month with a 69 mm of total precipitation. It feels drier, as humidity decreases from 54% to 50%. The average wind speed doesn’t change much during January, staying around 4 m/s. The amount of sunny days stay about the same, averaging 11 sunny days during the month.
Next month (February) brings a further decline in the weather.
Wind
The average wind speed is 4 m/s getting up to 10 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Tokyo is gradually increasing during January, going from 3 m/s to 3 m/s over the course of the month.
Rain
Snow
January is one of the snowiest months in Tokyo.
Here’s how January is compared with other months in the amount of snow, total mm:
How was the weather last January in Tokyo?
Climate Change over Years
The climate in Tokyo in January has not changed much over the last 43 years.
The average temperature was the lowest in 1984 (+18°C) and the highest in 2023 (+22°C). The driest year was 1984 with only 896 mm of rainfall, and the wettest year was 2021 with 5634 mm.
FAQ
Is January a good time to visit Tokyo?
Can you sunbathe in Tokyo in January?
Can you swim in Tokyo in January?
Is Tokyo rainy in January?
Is it sunny in Tokyo in January?
Other cities in Japan
Monthly weather in Tokyo
Source of the data
For this page, we’ve looked at the typical weather in Tokyo, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.