Each particle contained in hydrogen gas is made up of two identical hydrogen atoms chemically joined together. hydrogen gas is

Hydrogen Gas is an element. Hydrogen gas was first produce on the 16th century and it was odorless, colorless, nonmetallic, tasteless, highly flammable diatomic gas with the molecular formula H2. It also used to produced ammonia for agricultural fertiliser (the Haber process) and also methanol and cyclohexane.

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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.