Fontana, located in Southern California’s Inland Empire, experiences a warm and temperate climate characterized by hot, dry summers and mild, wetter winters. Understanding these patterns can help residents prepare for seasonal changes and participate in local environmental initiatives.
Seasonal Climate Overview
Summer
Summers in Fontana are typically hot and arid, with average high temperatures reaching around 94°F (34°C) in August. The season spans from late June to late September, offering clear skies and minimal precipitation. Residents should take precautions against heat-related illnesses and ensure adequate hydration during this period.
Winter
Winters are mild and partly cloudy, with average high temperatures around 66°F (19°C) in December. The season extends from late November to mid-March, bringing the majority of the annual rainfall. February is usually the wettest month, averaging 2.14 inches (54 mm) of precipitation. It’s advisable to prepare for cooler temperatures and occasional rain during these months.
Environmental Initiatives and Resources
The City of Fontana is committed to environmental stewardship and offers various programs to promote sustainability and protect natural resources. Residents are encouraged to participate in the following initiatives:
Household Hazardous Waste Disposal
Proper disposal of household hazardous waste (HHW) is crucial to prevent environmental contamination. The city’s HHW facility, located at 16454 Orange Way, operates on Saturdays from 8:00 am to 12:00 noon, excluding major holiday weekends. Accepted items include batteries, paint, motor oil, and electronic waste. Residents must provide proof of residency to utilize this free service. For more information, visit the city’s official website.
Fats, Oils, and Grease (FOG) Management
Improper disposal of fats, oils, and grease can lead to sewer blockages and environmental hazards. Residents are advised to avoid pouring FOG down sinks. Instead, collect cooking oils and fats in a container and bring them to the Household Hazardous Waste Facility for free recycling. For more details, refer to the city’s guidelines.
Stormwater Pollution Prevention
Stormwater runoff can carry pollutants into local waterways, affecting water quality and aquatic life. The city emphasizes the importance of preventing stormwater pollution by properly disposing of waste, using fertilizers responsibly, and reporting illegal dumping. Learn more about the city’s stormwater program and how you can contribute.
By staying informed about Fontana’s climate and actively participating in environmental programs, residents can contribute to a healthier and more sustainable community.

