San Manuel experiences a relatively consistent climate throughout the year, with temperatures rarely dropping below 10°C or rising above 37°C. The warmest months are May and April, averaging highs of 26-27°C, while the coolest month is January, still averaging around 22°C. June to October see temperatures stabilize around 24°C, with minimal fluctuations. The transition periods in March and November bring a slight increase in temperature, but overall, the region's climate remains mild and pleasant year-round.