Ink Drying in Cooler Temps

We’d like to turn-off our shop heater @ night to conserve electricity. We can leave our De-Humidifier on. We understand that it takes a little longer for things to dry @ 40 degrees F than @ 60 degrees F & up. However, does humidity make for more of a “slow motion” dry than cooler temps?

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Inks which dry from oxidation will dry faster with higher temps as the chemical reaction is speeded up in that way. Inks will still dry at lower temps, but, as you say it will take longer.

Humidity will have some effect on the process, but if your room is down to 40 degrees F., you would not be able to run a dehumidifier (it would freeze up) and the air will already be very dry at that temp as it will not hold much humidity.