How does the labrador current affect the climate of canada and greenland

The Labrador current affects the climate of Canada and Greenland because it creates one of the densest concentrations of fog in the world occurs.

If the water vapor content stays the same and the temperature drops, then the relative humidity increases. its vise versa.if the water vapor content stats the same and the temperature rises, the relative humidity decreases. so, yes, i'd say that temperature and humidity have a strong relationship.