A lighting device (10) includes a first light source (12) having a first S/P ratio, a second light source (13) having a second S/P ratio that is higher than the first S/P ratio, and a controller (14) configured to performing dimming control of light output from the first and second light sources (12, 13). The controller (14) performs the dimming control separately on the first and second light sources (12, 13) at least under a snow covered condition.
