1. weather that is unpredictable, inconsistent, and does not follow normal patterns; sudden and unexpected changes in atmospheric conditions
The erratic weather this spring has made it difficult for farmers to plan their planting schedule.
O tempo imprevisível desta primavera tem dificultado o planejamento do calendário de plantio dos agricultores.
2. meteorological conditions characterized by irregularity and lack of consistency
Erratic weather patterns have been linked to climate change in recent studies.
Padrões de tempo errático foram relacionados às mudanças climáticas em estudos recentes.