Moreno Valley, located in Southern California, experiences a semi-arid climate with distinct seasonal variations. Understanding these patterns can help residents and visitors prepare for the weather year-round.
Spring (March to May)
Spring in Moreno Valley brings mild temperatures and decreasing rainfall. Average high temperatures range from 70°F in March to 79°F in May, while lows increase from 43°F to 52°F over the same period. Rainfall diminishes as the season progresses, with March averaging 1.13 inches and May receiving about 0.26 inches. This season is ideal for outdoor activities as the weather is comfortable and the landscape is often lush from winter rains.
Summer (June to September)
Summers are hot and dry, with average high temperatures peaking at 95°F in August. Low temperatures during this period hover around the mid-60s. Rainfall is minimal, with June averaging 0.09 inches and August receiving about 0.06 inches. The hottest month is August, with an average high of 94°F and low of 64°F. Residents should take precautions against heat-related illnesses during this time.
Fall (October to November)
Fall sees a gradual cooling trend, with average high temperatures decreasing from 81°F in October to 73°F in November. Low temperatures drop from 52°F to 43°F. Rainfall begins to increase slightly, with October averaging 0.43 inches and November 0.56 inches. This season offers pleasant weather, making it suitable for various outdoor activities.
Winter (December to February)
Winters are cool and wetter compared to other seasons. December and January are the coolest months, with average high temperatures around 65°F and lows near 40°F. February is typically the wettest month, averaging 2.16 inches of rainfall. While snowfall is rare, occasional frost can occur, especially in December and January. Residents should be prepared for cooler temperatures and increased precipitation during this period.
By understanding these seasonal patterns, individuals can better plan their activities and be prepared for the varying weather conditions in Moreno Valley throughout the year.

