Yes

you do need a jacket based on the weather in Kerman, Kerman Province, Iran 1 second ago

Why? Because it's quite chilly!

33°F1°C & Mostly Cloudy

Wind is 1 mph2 km/h from the South, gusting to 4 mph7 km/h

Date	Low	High	Wind	Day	Night
January 8	30°F-1°C	45°F7°C	2 mph3 km/h from West	Mostly Cloudy	Partly Cloudy
January 9	27°F-3°C	50°F10°C	2 mph3 km/h from Northwest	Clear	Clear
January 10	27°F-3°C	55°F13°C	1 mph2 km/h from Northeast	Clear	Partly Cloudy
January 11	30°F-1°C	56°F13°C	2 mph3 km/h from West	Partly Cloudy	Mostly Clear
January 12	32°F-0°C	53°F12°C	6 mph9 km/h from West	Mostly Clear	Mostly Clear
January 13	30°F-1°C	50°F10°C	3 mph5 km/h from Northwest	Mostly Clear	Clear
January 14	29°F-2°C	54°F12°C	2 mph4 km/h from North	Clear	Mostly Clear

Low of 27°F-3°C, High of 50°F10°C
Wind: 2 mph3 km/h
Precipitation: None