Temperature in Estonia

Summer warmth zones
Accumulated temperatures above +10C
A - chilly summer
< 1900
B - moderate summer
1900 - 2000
C - warm summer
> 2000
Summer length zones
Frost free period (days)
Short summer
< 120
Medium summer
120-140
Long summer
> 140
Winter frost zones
Absolute minimum temperature C
Hard winter
Below -40
Moderate winter
-35 ... -40
Mild winter
Above -35