1. Temperature: This refers to the average long-term temperature patterns of a region, including seasonal variations and extremes. Factors influencing temperature include latitude, altitude, proximity to water bodies, and ocean currents.

2. Precipitation: This encompasses all forms of moisture falling from the atmosphere, including rain, snow, sleet, and hail. Factors influencing precipitation include prevailing winds, air pressure systems, and geographical features like mountains.

While there are other factors that influence climate, temperature and precipitation are the most fundamental components.