6/18/2025
Beat St. George's Summer Heat: How Aluminum Patio Covers Can Lower Outdoor Temperatures
Read more about how you can beat the Saint George 110°F+ heat and reduce outdoor temperatures with an aluminum patio cover or awning.

How to Beat the St. George Heat
If you lived through St. George's record-breaking July 2024, when temperatures averaged an unprecedented 107.9°F, you know firsthand that southern Utah's heat isn't just uncomfortable, it's downright dangerous. With our desert city regularly seeing the mercury climb past 110°F, finding ways to make outdoor spaces livable has become less of a luxury and more of a necessity for homeowners in Washington County.
Here's the reality: your patio, deck, or outdoor entertainment area becomes completely unusable for nearly four months of the year without proper shade protection. But there's good news, the right aluminum patio covers St George Utah homeowners are installing can transform these scorching spaces into comfortable retreats, even during our hottest summer days.
The St. George Heat Challenge: Why Traditional Solutions Fall Short
St. George isn't just hot, it's one of the most extreme heat environments in the entire United States. Our unique geographic position in the Mojave Desert, combined with our elevation of 2,880 feet, creates a perfect storm of intense UV radiation and sustained high temperatures that last from May through September.
Consider these sobering statistics:
- St. George experiences an average of 60 days per year with temperatures exceeding 100°F
- UV index regularly reaches "extreme" levels (11+) during summer months
- Surface temperatures on unshaded patios can reach 140-160°F
- The city has recorded temperatures as high as 117°F
For the thousands of new residents flocking to Utah's fastest-growing metro area, this heat often comes as a shock. Traditional shade solutions like fabric awnings or wooden pergolas simply weren't designed for this level of thermal stress. Fabric fades and deteriorates under our intense UV exposure, while wood warps, cracks, and requires constant maintenance in our low-humidity environment.
How Aluminum Patio Covers Create a 20-Degree Temperature Drop
The science behind St George heat protection patio covers is surprisingly straightforward yet remarkably effective. Aluminum patio covers work through a combination of reflection, insulation, and strategic airflow management that specifically addresses our desert climate challenges.
The Reflection Advantage
Aluminum naturally reflects up to 95% of radiant heat away from your patio space. Unlike dark-colored materials that absorb heat and re-radiate it downward, powder-coated aluminum bounces solar radiation back into the atmosphere. This reflection alone can reduce surface temperatures beneath the cover by 10-15 degrees.
Engineered Insulation Systems
Modern aluminum patio cover systems incorporate foam-core insulation within their panels. This creates a thermal barrier that prevents heat transfer, similar to how your home's insulated roof keeps interior spaces cool. The difference? These systems are specifically engineered for 110 degree weather patio shade applications, maintaining their integrity even under extreme thermal expansion and contraction.
Convection Cooling Design
The best aluminum cover designs for St George cooling outdoor spaces incorporate strategic ventilation that promotes natural convection currents. As hot air rises and escapes through ridge vents or latticed sections, cooler air is drawn in from the sides, creating a constant but gentle airflow that enhances the cooling effect.
Check out our photo gallery to see our work in action.
The 25% Energy Savings Breakdown: Real Numbers for St. George Homeowners
Let's talk dollars and cents. With Dixie Power rates averaging $0.11 per kWh and summer cooling costs often exceeding $400 per month for a typical 2,500 square foot home, the financial impact of energy saving patio covers southern Utah residents install can be substantial.
How Patio Covers Reduce Your Cooling Bills
When you install aluminum patio covers adjacent to your home, you're essentially creating a buffer zone that:
- Reduces Wall Temperature: South and west-facing walls under patio covers stay 15-20 degrees cooler
- Decreases Window Heat Gain: Shaded windows reduce solar heat gain by up to 77%
- Lowers AC Runtime: Your system cycles less frequently, reducing wear and energy consumption
- Minimizes Peak Load Demand: Covers reduce cooling needs during expensive peak rate hours (1-7 PM)
The Math That Matters
For a typical St. George home:
- Average summer cooling cost: $400/month
- Estimated savings with strategic patio cover placement: $100/month
- Annual savings (5-month cooling season): $500
- Average installation cost: $4,000-$8,000
- Payback period: 8-16 years
- Added home value: $3,000-$6,000
UV Protection: A Critical Health Benefit in High-Altitude Desert Climate
Living at nearly 3,000 feet elevation in the desert means UV radiation is approximately 25% more intense than at sea level. UV protection awnings St George families rely on aren't just about comfort, they're about health protection.
Aluminum patio covers block 100% of direct UV radiation, providing the equivalent of SPF 50+ protection for anyone beneath them. This means:
- Reduced risk of skin cancer for your family
- Protection for outdoor furniture that would otherwise fade and deteriorate
- Safe play areas for children and pets
- Extended usability of outdoor electronics and entertainment systems
Durability in St. George's Extreme Weather: Why Aluminum Wins
St George heat protection patio covers face unique challenges beyond just heat. Our weather includes:
Monsoon Season Challenges
- Sudden 60+ mph wind gusts
- Flash flooding and heavy rain
- Hail events
- Dramatic temperature swings
Year-Round Environmental Stress
- Temperature variations of 40°F in a single day
- Near-zero humidity causing material brittleness
- Alkaline soil conditions affecting foundations
- Intense UV degradation
Aluminum patio covers excel in all these conditions because they:
- Don't absorb moisture (zero rot or mold risk)
- Maintain structural integrity from -20°F to 120°F
- Resist wind loads up to 90 mph when properly installed
- Feature powder-coated finishes warranted for 20+ years
Aluminum vs. Other Materials: The Desert Climate Comparison
Choosing the right patio cover material is crucial for St. George's extreme climate. Compare all our aluminum patio cover options to find the perfect match for your needs.
Wood Patio Covers
Pros: Natural appearance, traditional aesthetic Cons: Requires annual sealing, prone to splitting in dry climate, termite risk, 5-10 year lifespan in St. George conditions Cost: Initially cheaper but higher lifetime expense
Fabric Awnings
Pros: Retractable options, lower initial cost Cons: UV degradation within 3-5 years, wind damage risk, limited temperature reduction, frequent cleaning required Cost: Replacement every 5-7 years
Vinyl/Composite
Pros: Low maintenance, various colors Cons: Can warp in extreme heat, limited insulation value, potential for brittleness Cost: Mid-range but less durable than aluminum
Aluminum (Clear Winner)
Pros: 50+ year lifespan, maximum heat reflection, zero maintenance, highest wind resistance Cons: Higher initial investment Cost: Best long-term value
Installation Considerations for St. George Homes
Installing aluminum patio covers St George Utah properties requires specific expertise due to our unique building codes and environmental factors.
Key Installation Factors
Foundation Requirements: St. George's soil composition requires specialized footings that account for both expansive clay and potential flooding. Professional installers understand the minimum 24-inch depth requirement and proper drainage considerations.
Wind Load Calculations: Washington County building codes require patio covers to withstand 90 mph winds. This means proper attachment to existing structures and appropriate post spacing
Electrical Integration: Many homeowners want lighting and ceiling fans integrated into their covers. St. George's electrical codes require GFCI protection for all outdoor outlets and specific conduit types for high-temperature environments.
HOA Compliance: Many St. George communities, especially in newer developments like Desert Color or SunRiver, have specific architectural requirements. Professional installers familiar with local HOAs can ensure your project meets all guidelines.
Check out our FAQ page to get answers to our most common questions.
Making the Investment: ROI Calculations Using Local Utility Rates
Let's crunch the numbers using actual Dixie Power rates and typical St. George home values:
Annual Return Calculations
- Energy savings (25% reduction): $500/year
- Reduced interior furniture fading: $200/year value
- Eliminated patio furniture replacement: $150/year
- Increased home value (3% of cover cost): $264/year amortized
- Total Annual Benefit: $1,114
The Bottom Line
- Simple ROI: 7.9 years
- With home value consideration: 12.6% annual return
- Lifespan of cover: 50+ years
- Total lifetime savings: $55,700
Beyond the Numbers: Quality of Life in America's Premier Retirement Destination
St. George attracts thousands of retirees and remote workers seeking year-round outdoor living. But without proper shade protection, that dream quickly becomes a four-month nightmare of indoor isolation. Aluminum patio covers restore the outdoor lifestyle that brought you here in the first place.
Consider the intangible benefits:
- Morning coffee on the patio in July
- Evening dinners outside without waiting until 9 PM
- Grandchildren playing safely in shaded areas
- Year-round use of outdoor kitchens and entertainment areas
- Protected space for gardening and hobbies
The Professional Installation Advantage
While some companies like Stuart Awning and Sun Country Awnings offer various shade solutions, choosing a dedicated aluminum patio cover specialist ensures you get:
- Precise engineering for St. George's specific climate challenges
- Warranties that cover extreme temperature conditions
- Installation teams familiar with local building codes
- Post-installation service and support
- Custom designs that complement your home's architecture
See our various products and how we can install them:
Take Action Before Next Summer's Heat
With St. George's population booming and contractors booking months in advance, now is the time to plan your patio cover installation. Spring installations are already filling up, and waiting until summer means suffering through another season of unbearable heat and higher installation costs due to peak demand.
The evidence is clear: St George heat protection patio covers aren't just a luxury they're an essential investment in your home's comfort, value, and energy efficiency. With temperatures continuing to break records and energy costs rising, the question isn't whether you need an aluminum patio cover, but how quickly you can get one installed.
Investing in St George cooling outdoor spaces today means comfort tomorrow. Contact us now and beat the spring installation rush.
Reclaim Your Outdoor Space Today!
Reed come out and gave us a bid. After that they kept in contact with us until they completed the job. They were fast and friendly. Our patio cover made our back yard look great.
Brad Yates
St. George, UT


