This article was originally published at The Conversation. The publication contributed the article to Live Science's Expert Voices: Op-Ed & Insights.

We often use the weather as a metaphor for how we’re feeling: gloomy, sunny or under a cloud. But how does it actually affect us?

In this episode of TCTV, Nick Haslam describes the influence of sunny skies and rainy days on our moods.

This video is a co-production between SBS World News and The Conversation.

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Nick Haslam does not work for, consult to, own shares in or receive funding from any company or organisation that would benefit from this article, and has no relevant affiliations.

This article was originally published on The Conversation. Read the original article. Follow all of the Expert Voices issues and debates — and become part of the discussion — on FacebookTwitter and Google +. The views expressed are those of the author and do not necessarily reflect the views of the publisher. This version of the article was originally published on Live Science.