Peak Sun Hours in Paris 20 Ménilmontant, Île-de-France, France
- Solar zone
- Zone 2 (moderate)
- Best month
- June (5.8)
- Worst month
- December (0.8)
- Climate
- Temperate · 10.9°C
Monthly solar breakdown
| Month | GHI | Clear-sky | DNI | DHI | Temp °C | Humid % |
|---|---|---|---|---|---|---|
| Jan | 0.96 | 1.75 | 1.57 | 0.57 | 3.0 | 92 |
| Feb | 1.77 | 2.88 | 2.47 | 0.93 | 3.6 | 87 |
| Mar | 3.01 | 4.48 | 3.11 | 1.53 | 6.7 | 82 |
| Apr | 4.54 | 6.22 | 4.07 | 2.16 | 10.3 | 77 |
| May | 5.25 | 7.49 | 3.98 | 2.66 | 13.8 | 76 |
| Jun | 5.81 | 7.98 | 4.33 | 2.86 | 17.4 | 75 |
| Jul | 5.63 | 7.62 | 4.30 | 2.75 | 19.3 | 72 |
| Aug | 4.81 | 6.47 | 3.86 | 2.41 | 18.9 | 72 |
| Sep | 3.74 | 5.01 | 4.03 | 1.69 | 15.6 | 76 |
| Oct | 2.21 | 3.30 | 2.77 | 1.13 | 11.6 | 84 |
| Nov | 1.17 | 1.99 | 1.82 | 0.66 | 6.9 | 91 |
| Dec | 0.80 | 1.44 | 1.55 | 0.45 | 3.5 | 93 |
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 0.80 kWh/m²/day, 0.77 system efficiency.
About solar in Paris 20 Ménilmontant
Paris 20 Ménilmontant, France has a temperate climate with meaningful seasonal variation in solar resource. Its annual peak sun hours average 3.31 kWh/m²/day, a moderate solar resource by global standards.
The strongest month in Paris 20 Ménilmontant is June (summer) at 5.81 kWh/m²/day, and the weakest is December (winter) at 0.8 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, Paris 20 Ménilmontant installations typically oversize panels or combine solar with another source (grid, generator, hydro) for reliability.
FAQ
- What are the peak sun hours in Paris 20 Ménilmontant?
- Paris 20 Ménilmontant averages 3.31 peak sun hours per day annually, ranging from 0.8 in December to 5.81 in June.
- How many solar panels do I need in Paris 20 Ménilmontant?
- Panel count depends on your daily load. At Paris 20 Ménilmontant's annual average of 3.31 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 Paris 20 Ménilmontant?
- Sizing against Paris 20 Ménilmontant's worst month (December, 0.8 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 Paris 20 Ménilmontant's solar resource compare globally?
- Paris 20 Ménilmontant sits in solar zone 2 out of 5 (where 5 is strongest) at 3.31 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.
- How much does winter reduce solar output in Paris 20 Ménilmontant?
- Paris 20 Ménilmontant's worst month (December) delivers 0.8 kWh/m²/day — about 14% of the summer peak of 5.81. Off-grid systems here typically oversize 1.5–2× or pair with a backup source.
- Do cloudy days significantly affect Paris 20 Ménilmontant's solar?
- Partly. Diffuse light still produces 10–25% of clear-sky output. Paris 20 Ménilmontant's 3.31 kWh/m²/day already reflects average cloudiness, so no further derating is needed for sizing.
- What panel tilt works best in Paris 20 Ménilmontant?
- At Paris 20 Ménilmontant's latitude (49°), a fixed tilt near 49° balances year-round yield. Winter-heavy loads favor latitude + 15°; summer-heavy, latitude − 15°.