The Niger Delta region of Nigeria experiences increasing microclimatic instability due to a combination of natural pressures and anthropogenic stressors. Key contributors include oil and gas exploration and refining, methane emissions from agricultural activities, vehicular emissions, biomass combustion, and widespread plastic pollution. These pressures have led to disruptions in local temperature regimes, degradation of air quality, and changes in humidity levels, posing substantial threats to both ecosystems and human well-being. This chapter examines how local communities in the Niger Delta are adopting grassroots mitigation and adaptation strategies to cope with these evolving microclimate challenges. Specifically, it evaluates how these strategies influence local temperature, humidity, and air quality patterns, thereby contributing to microclimate stabilization and resilience. Through a synthesis of field observations, stakeholder input, and policy analysis, we explore practices such as community-led afforestation, sustainable farming, wetland preservation, and informal environmental monitoring systems. These community-driven actions are evaluated based on their effectiveness in enhancing local microclimatic resilience and supporting sustainable livelihoods. The analysis underscores the importance of integrating indigenous knowledge and community participation into broader climate adaptation frameworks. The chapter’s contribution aligns with the overarching aim of Microclimate Monitoring, Mitigation and Adaptation in Deltas by demonstrating how community-based strategies in the Niger Delta offer transferable lessons for enhancing resilience across deltaic environments globally. In addition, it advocates for the adoption of inclusive policy mechanisms and stronger collaboration among governments, industry, and civil society to address the complex microclimate dynamics of delta regions. The chapter provides a practical roadmap for strengthening local climate resilience while contributing to long-term sustainable development in the Niger Delta and similar deltaic environments.