what temperature for cannabis
Cannabis plants like about the same temperature as humans do! If your grow room feels warm or cold, humid or dry, that is a sign that you may want to look into changing the temperature and/or humidity of your grow area.Generally, cannabis plants prefer temperatures in the 70-85 Â°F (20-30 Â°C) range during the day when lights are on.ore About the Upper Limits of Temperature. With bright grow lights (such as 600W HPS and brighter), cannabis plants of all stages can thrive at slightly higher temps up to a max of about 85Â°F (30Â°C) even with no CO2 enrichment, as long as there is low relative humidity and plenty of air movement.