Tyre pressure varying temperatures

Tyre pressure varying temperatures

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Discussion

mawallace

Original Poster:

184 posts

74 months

Sunday 21st October 2018
quotequote all
At the moment the tempature varies during the day. E.g. it's 5 degrees this morning and now it's 19!

Tyre pressure varies on temperature so I was thinking. If I check them first thing, when it's 5 degrees, the pressure will be higher later on, so they will be overinflated.

So is it better to have overflated tyres or underflated by having the correct temperature at 15 degrees

mawallace

Original Poster:

184 posts

74 months

Monday 22nd October 2018
quotequote all
A couple of articles here:-

https://www.tyresizecalculator.com/tyres/tyre-pres...

where the test show that the pressure change for 10 degree C the change was 1.5 psi.

https://www.driverknowledgetests.com/resources/how...

which claims that a 10 degree difference will change the pressure by 1.9 psi.