There are 17 climate zones defined by ASHRAE that are used to encompass all the world’s climates.
|
Climate Zone
|
Temperature
|
Moisture
|
Köppen Classification Description
|
|
1A
|
Very Hot
|
Humid
|
Tropical Wet and Dry
|
|
1B
|
Very Hot
|
Dry
|
Arid Middle Latitude
|
|
2A
|
Hot
|
Humid
|
Humid Subtropical (Warm Summer)
|
|
2B
|
Hot
|
Dry
|
Arid Subtropical
|
|
3A
|
Warm
|
Humid
|
Humid Subtropical (Warm Summer)
|
|
3B
|
Warm
|
Dry
|
Semiarid Middle Latitude/Arid Subtropical/Highlands
|
|
3C
|
Warm
|
Marine
|
Dry Summer Subtropical (Mediterranean)
|
|
4A
|
Mixed
|
Humid
|
Humid Subtropical/Humid Continental (Warm Summer)
|
|
4B
|
Mixed
|
Dry
|
Semiarid Middle Latitude/Arid Subtropical/Highlands
|
|
4C
|
Mixed
|
Marine
|
Marine (CoolSummer)
|
|
5A
|
Cool
|
Humid
|
Humid Continental (Warm Summer)
|
|
5B
|
Cool
|
Dry
|
Semiarid Middle Latitude/Highlands
|
|
5C
|
Cool
|
Marine
|
Marine (Cool)
|
|
6A
|
Cold
|
Humid
|
Humid Continental (Warm Summer/Cool Summer)
|
|
6B
|
Cold
|
Dry
|
Semiarid Middle Latitude/Highlands
|
|
7
|
Very Cold
|
-
|
Humid Continental (Cool Summer)
|
|
8
|
Subarctic
|
-
|
Subarctic
|
