Atami Weather in January
During January, Atami experiences low daytime temperatures of 10°C (50°F) and cooler nights around 3°C (37°F). As part of the winter season, expect quite a bit of rainfall. Around 101 mm (4 in) is typical.
Rainfall in Atami in January
Typically around 10 days of rainfall are expected, averaging 101 mm (4 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Atami in January
January in Atami sees highs of 10°C (50°F) and lows of 3°C (37°F) overnight. During January, the winter season is in full swing. The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. Nights fall to 3°C (37°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep. January has the coolest temperatures of the year, but still offering mild weather.January in Atami has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Atami's climate page.
Atami Temperature in January
Min Temperature
3°C (37°F)
Max Temperature
10°C (50°F)
Chance of Rain
35%
Precipitation
101 mm (4 in)
Rainy days
10 days
Humidity
58% *
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in Atami typically stay consistent throughout January, with daily highs averaging around 10°C (50°F). Nights are cold, with lows typically ranging from 0°C (32°F) to 2°C (36°F).
Average temperatures in January
Daily Historical Precipitation
51-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather for Atami in January
Browse day-by-day weather records for Atami spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Atami historical weather extremes in January
Based on 49 years of weather observations in Atami between 1976 and 2025, these are the recorded extremes.
- The warmest day in January was on January 7, 2000, with a maximum of 20°C (68°F).
- On January 31, 1990, Atami saw its coldest January day with temperatures maxing out at 2°C (36°F).
Best Places in Japan in January
Find out more about the weather in Japan and which places have the best travel conditions in this month. See all of Japan in January →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Atami in January
We recommend to layer up for chilly conditions in Atami in January. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. High rain levels are expected, so pack waterproof gear and an umbrella or poncho.What To Do in Atami in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Atami's climate page.
See the full Atami climate overview or explore weather in Japan.
