Chasing Summers#

Note

This post does not consist of any formal research effort and is more of a fun exploration of a random topic.

After living through Melbourne’s winter, I now have a greater appreciation of the sun. This lead me thinking. I love living in the sun, which means that ideally I would live in two cities: one in the northern hemisphere and one in the south. I could then live an endless summer by switching cities whenever winter loomed. But here is the question, what two cities would I select?

To narrow down my search, I limited my selection to the top 10 most livable cities as chosen by the EIU.[1] These consist of the following:

  • Vienna

  • Copenhagen

  • Zurich

  • Melbourne

  • Calgary

  • Geneva

  • Sydney

  • Vancouver

  • Osaka

  • Auckland

After being traumatised by Melbourne’s perpetual winters, the next questions became obvious: how warm and sunny are these cities?

Monthly temperature of different cities#

Let’s first start with temperature. I found online that the ideal temperature for humans to live in is between 20°C and 25°C, otherwise known by its fancy term: the ‘thermalneutral’ zone.[2]

Because of my summer bias, however, I opted to extend this ‘optimal’ range all the way to 30°C.

Below I then graphed out the monthly temperatures of our candidate cities, with our warm 20°C to 30°C goldilocks zone highlighted in green.

If you select only Sydney and Vienna (by double clicking Sydney in the legend and then enabling Vienna), you can see that their temperatures exactly align when winter approaches for either city. It seems we have our best candidates.

Daily sunshine of different cities#

Next, we move onto sunshine. This metric is measured in ‘sunshine hours’, which as the name suggests, simply means how many hours are spent in sunshine per day. Here we simply prefer higher results over lower ones.

As we can see, our previous candidates of Vienna and Sydney still hold up. Although Sydney is already quite consistent with sunshine, the objective improvement of Vienna’s summer sunshine over Sydney’s fairer winter is still appreciated.

Anyway, so in conclusion, Vienna and Sydney seem good. Again, to reiterate, this research is nothing formal and was just something I found fun, so hope it was interesting!

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