degree of mildness
climate mildness
remarkable mildness
A: Do you think the weather here is harsh?
A：你觉得这里的天气恶劣吗？
B: Not at all; the mildness of the spring is wonderful.
B：一点也不；春天的温和程度简直太棒了。
1) 温和性
2) 轻微程度
3) 不严厉
1. 温和；轻微；不剧烈
noun
1. The quality of being gentle, moderate, or lacking intensity.
Synonym: gentleness, softness, leniency