Peak Sun Hours in Trois-Rivières, Quebec, Canada
- Solar zone
- Zone 2 (moderate)
- Best month
- June (5.7)
- Worst month
- December (1.0)
- Climate
- Continental · 4.4°C
Monthly solar breakdown
| Month | GHI | Clear-sky | DNI | DHI | Temp °C | Humid % |
|---|---|---|---|---|---|---|
| Jan | 1.43 | 2.23 | 2.56 | 0.73 | -13.4 | 97 |
| Feb | 2.30 | 3.47 | 3.22 | 1.14 | -11.7 | 96 |
| Mar | 3.55 | 5.16 | 4.33 | 1.51 | -5.8 | 94 |
| Apr | 4.50 | 6.74 | 4.41 | 1.98 | 3.4 | 83 |
| May | 5.28 | 7.80 | 4.59 | 2.33 | 11.7 | 80 |
| Jun | 5.72 | 8.15 | 4.78 | 2.46 | 17.0 | 80 |
| Jul | 5.64 | 7.69 | 4.68 | 2.48 | 19.8 | 82 |
| Aug | 4.90 | 6.67 | 4.47 | 2.12 | 18.7 | 82 |
| Sep | 3.79 | 5.23 | 4.37 | 1.49 | 14.6 | 82 |
| Oct | 2.23 | 3.65 | 2.88 | 1.08 | 7.2 | 85 |
| Nov | 1.36 | 2.36 | 2.23 | 0.70 | -0.1 | 88 |
| Dec | 1.00 | 1.82 | 1.85 | 0.55 | -8.6 | 95 |
GHI, Clear-sky, DNI, DHI in kWh/m²/day. Data: NASA POWER climatology (long-term monthly averages).
Off-grid calculator
Add appliances
- Add an appliance to size a system.
Sizing
- Daily load
- 0.00 kWh
- Panel wattage
- 0 W
- Panel count (400W modules)
- 0
- Battery bank
- 0.0 kWh
Sizing against worst-month PSH of 1.00 kWh/m²/day, 0.77 system efficiency.
About solar in Trois-Rivières
Trois-Rivières, Canada has a continental climate with cold winters and warmer summers. Its annual peak sun hours average 3.47 kWh/m²/day, a moderate solar resource by global standards.
The strongest month in Trois-Rivières is June (summer) at 5.72 kWh/m²/day, and the weakest is December (winter) at 1 kWh/m²/day. When sizing a year-round off-grid system, it's standard practice to design against the December value rather than the annual average — otherwise the battery bank runs low during the darkest weeks.
Given the moderate resource, Trois-Rivières installations typically oversize panels or combine solar with another source (grid, generator, hydro) for reliability.
FAQ
- What are the peak sun hours in Trois-Rivières?
- Trois-Rivières averages 3.47 peak sun hours per day annually, ranging from 1 in December to 5.72 in June.
- How many solar panels do I need in Trois-Rivières?
- Panel count depends on your daily load. At Trois-Rivières's annual average of 3.47 kWh/m²/day, a 5 kWh/day load needs roughly 5 × 400 W panels. Use the calculator above for your actual load.
- What size battery do I need in Trois-Rivières?
- Sizing against Trois-Rivières's worst month (December, 1 kWh/m²/day) with 2 days of autonomy at 80% depth of discharge, a 5 kWh/day load needs about a 12.5 kWh battery bank.
- How does Trois-Rivières's solar resource compare globally?
- Trois-Rivières sits in solar zone 2 out of 5 (where 5 is strongest) at 3.47 kWh/m²/day — moderate by global standards. For reference, top-tier desert sites average ~6.5 and high-latitude cities around 2.5 kWh/m²/day.
- Does snow block solar panels in Trois-Rivières?
- Yes — snow cover can drop output to near zero. In Trois-Rivières's winter months (around December), brush panels after significant snowfall or design with steep tilt (45°+) so snow slides off naturally.
- How much does winter hurt solar output in Trois-Rivières?
- Trois-Rivières's worst month is December at 1 kWh/m²/day versus 5.72 in June — a 136% seasonal swing. Off-grid continental systems usually combine oversized arrays with wood-stove or generator backup.
- Is solar worth it in a continental climate like Trois-Rivières's?
- Yes, but the seasonal ratio matters. Trois-Rivières's annual 3.47 kWh/m²/day is solid; grid-tied net metering works well (summer credits offset winter draw). Full off-grid needs generator or hydro backup.