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Autoflower Temperature and Humidity Guide by Week

Autoflower Temperature and Humidity Guide by Week

Date published
Dec 18, 2022
The optimal temperature and humidity range for an auto-flowering cannabis plant may vary slightly based on the specific strain, and the grow environment, but here are general guidelines for the temperature and humidity range during each week of the growing cycle:

Here is a general guideline table with the recommended temperature and humidity range for an autoflowering cannabis plant during each week of the grow cycle:

Week
Stage
Temperature
Humidity (%)
1
Vegetative
70-80°F | 21-27°C
50-70%
2
Vegetative
70-80°F | 21-27°C
50-70%
3
Vegetative
70-80°F | 21-27°C
50-70%
4
Flowering
70-85°F | 21-29°C
40-50%
5
Flowering
70-85°F | 21-29°C
40-50%
6
Flowering
70-85°F | 21-29°C
40-50%
7
Flowering
70-85°F | 21-29°C
40-50%
8
Flowering
70-85°F | 21-29°C
40-50%
9
Flowering
70-85°F | 21-29°C
40-50%
10
Flowering
70-85°F | 21-29°C
40-50%
11
Flowering
70-85°F | 21-29°C
40-50%
12
Flowering
70-85°F | 21-29°C
40-50%

To learn more about harvesting guidelines and best practices please visit our page here:

It's essential to maintain a consistent temperature and humidity range throughout the growth cycle and to avoid extreme fluctuations, as this can cause stress to the plant and negatively impact its growth and development. It's also important to use a thermometer and hygrometer to monitor the temperature, and humidity levels in the grow tent and to make adjustments as needed to keep them within the optimal range. By following these guidelines, you should be able to grow healthy and productive autoflowering cannabis plants.

Important:

It's important to note that these are general guidelines. The optimal temperature and humidity range may vary based on factors such as the specific strain, the growing environment, and the care the plant receives. It's always a good idea to research the specific needs of the strain you are growing and to use a thermometer and hygrometer to monitor the temperature, and humidity levels in the grow tent to ensure they are within the optimal range.

Maintaining Optimal Temperature and Humidity Ranges

Temperature:

  • During the vegetative stage (weeks 1-3), it's generally best to keep the temperature in the range of 70-80°F (21-27°C).
  • As the plant enters the flowering stage (weeks 4-12), it can tolerate slightly higher temperatures, up to around 85°F (29°C).
  • It's important to avoid extreme fluctuations in temperature, as this can cause stress to the plant and negatively impact its growth and development.

Humidity:

  • During the vegetative stage (weeks 1-3), it's generally best to maintain a relative humidity (RH) of around 50-70%.
  • During the flowering stage (weeks 4-12), the RH should be kept between 40-50%.
  • Higher humidity levels can lead to mold and other issues, so it's important to monitor the humidity and use a dehumidifier if necessary to keep it within the optimal range.

Tips for Maintaining the Optimal Temperature and Humidity Ranges:

  • Use a thermometer and hygrometer to monitor the temperature and humidity levels in the grow tent.
  • Use fans or air conditioning to control the temperature and airflow in the grow tent.
  • You can use a dehumidifier to reduce the humidity if necessary.
  • Conversely, if you have additional issues related to increasing your humidity, a Humidifier may be required.
  • Keep the grow tent well-ventilated to prevent stagnant air and maintain a consistent temperature and humidity range.

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