Yes
you do need a jacket based on the weather in Nagasaki, Japan 1 second ago
Why? Because it's cold. simple as that.
47°F8°C & Mostly Cloudy
Wind is 6 mph9 km/h from the NW, gusting to 13 mph21 km/h
| December 2 | ||||
| 2pm | 47°F8°C | 6 mph10 km/h NW | Mostly Cloudy | |
| 3pm | 47°F8°C | 7 mph11 km/h NW | Mostly Cloudy | |
| 4pm | 47°F8°C | 7 mph11 km/h NW | Mostly Cloudy | |
| 5pm | 47°F9°C | 6 mph10 km/h N | Mostly Cloudy | |
| 6pm | 49°F9°C | 6 mph9 km/h N | Partly Cloudy | |
| 7pm | 51°F10°C | 6 mph9 km/h N | Mostly Cloudy | |
| 8pm | 53°F12°C | 6 mph10 km/h N | Mostly Cloudy | |
| 9pm | 54°F12°C | 7 mph11 km/h N | Mostly Cloudy | |
| 10pm | 56°F13°C | 8 mph12 km/h NW | Mostly Cloudy | |
| 11pm | 56°F14°C | 8 mph14 km/h NW | Mostly Cloudy | |
| December 3 | ||||
| 12am | 57°F14°C | 9 mph14 km/h NW | Mostly Cloudy | |
| 1am | 56°F13°C | 8 mph13 km/h NW | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| December 2 | 46°F8°C | 57°F14°C | 7 mph11 km/h from NW | Partly Cloudy | Mostly Clear |
| December 3 | 44°F7°C | 58°F14°C | 3 mph5 km/h from SE | Partly Cloudy | Rain |
| December 4 | 48°F9°C | 60°F15°C | 6 mph10 km/h from NE | Rain | Mostly Clear |
| December 5 | 46°F8°C | 62°F16°C | 6 mph10 km/h from SW | Cloudy | Drizzle |
| December 6 | 50°F10°C | 57°F14°C | 10 mph16 km/h from NW | Mostly Clear | Mostly Clear |
| December 7 | 49°F9°C | 65°F18°C | 9 mph14 km/h from S | Mostly Clear | Partly Cloudy |
| December 8 | 57°F14°C | 68°F20°C | 8 mph13 km/h from S | Mostly Cloudy | Mostly Cloudy |
Yes
Low of 44°F7°C, High of 57°F14°CWind: 3 mph5 km/h
Precipitation: None