Nagasaki Weather in February
February in Nagasaki typically sees daytime highs of 12°C (54°F) and nighttime lows of 7°C (45°F). Rainfall is also possible this month, so it's worth packing an umbrella. It falls within the winter season.
Rainfall in Nagasaki in February
Historically, February sees about 19 days of rain, with a monthly average of 116 mm (4.6 in). Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.
Temperature in Nagasaki in February
Daytime highs in Nagasaki in February reach 12°C (54°F), with nights around 7°C (45°F). During February, the winter season is in full swing. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 7°C (45°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in Nagasaki in February
The area enjoys a moderate level of sunlight, with around 124 hours. It's a good balance between sunny and cloudy days.
Wind Speed in Nagasaki in February
Wind speeds average 2 m/s (4 knots) during February. At this speed, expect light breezes that you can feel on your face and cause leaves to rustle gently. Since this is an average, some days are calmer with barely any wind while others have more noticeable gentle breezes.
Average water temperature in February
The water temperature is 14°C (57°F) — chilly, but perfectly fine for a swim if you're not too sensitive to cold water. A short wetsuit can make longer sessions more comfortable.If you're looking for dry conditions and comfortable temperatures, February may not be the ideal month to visit Nagasaki. Our weather planner can help you explore destinations with more pleasant weather conditions.
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 Nagasaki's climate page.
Nagasaki Temperature in February
Min Temperature
7°C (45°F)
Max Temperature
12°C (54°F)
Water Temperature
14°C (57°F)
Chance of Rain
64%
Precipitation
116 mm (4.6 in)
Rainy days
19 days
Humidity
65%
Windspeed
2 m/s (4 knots)
Sunshine
124 hours
Percentage Sunshine
35%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Nagasaki typically rise from around 10°C (50°F) at the start of February to approximately 13°C (55°F) by the end. Nights are cold, with lows typically ranging from 3°C (37°F) to 6°C (43°F).
Average temperatures in February
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in February
Historical weather for Nagasaki in February
Browse day-by-day weather records for Nagasaki spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Nagasaki historical weather extremes in February
Based on weather observations in Nagasaki between 1976 and 2026, these are the recorded extremes during February.
- On February 24, 2010, temperatures climbed to 22°C (72°F), marking the warmest February day on record.
- Nagasaki experienced its chilliest February day on February 16, 1977, reaching only -1°C (30°F).
- Nighttime temperatures dropped to -6°C (21°F) on February 6, 1977, marking the coldest February night on record.
Best Places in Japan in February
Find out more about the weather in Japan and which places have the best travel conditions in this month. See all of Japan in February →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Nagasaki in February
The weather can be unpredictable in February, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. With water temperatures around 14°C (57°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Nagasaki in February
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 Nagasaki's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Nagasaki climate overview or explore weather in Japan.
