Nagasaki weather in February
Temperature, sea and sunshine in February: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in February
Poor
Best time to visit: April – May, September – November
What is the weather like in Nagasaki in February?
In February, Nagasaki is cool: daytime highs average 11 °C, and nights cool down to about 7 °C. The sea averages 15.6 °C – swimming is only for the hardy. Expect around 4 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 102 mm in total. All in all, February is not an ideal month for a holiday in Nagasaki.
February compared
How the weather changes from January to March. Tap a month to open it.
| JanuaryJan | FebruaryFeb | MarchMar | |
|---|---|---|---|
| Score | 26 | 35 | 50 |
| Day | 10° | 11° | 14° |
| Night | 7° | 7° | 9° |
| Sea | 17° | 16° | 16° |
| Sun | 3 h | 4 h | 5 h |
| Rain days | 11 | 11 | 12 |
More details for February
- Daylight
- 11 h 0 min07:05 – 18:05
- UV index
- 5 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 24 km/haverage daily peakAll months
- Cloud cover
- 63 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+9Asia/Tokyo
How the score comes together
- Temperatureweight 50 %29 %
- Sunshineweight 20 %22 %
- Few rainy daysweight 30 %54 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in February
- Sunscreen
- A jumper for the evenings
- Rain jacket or umbrella
Nagasaki in February: quick answers
Is Nagasaki hot in February?
No. In February, Nagasaki is cool: daytime highs average 11 °C and nights drop to about 7 °C.
Can you swim in Nagasaki in February?
Only if you don't mind cold water: in February the sea averages just 15.6 °C. Comfortable swimming is possible from June to November.
Does it rain much in Nagasaki in February?
Rain is frequent, with about 11 rainy days and 102 mm in total.
Nagasaki month by month
The whole year in NagasakiAll destinations: JapanWhere to go in FebruarySea temperature in February
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences