Peak Sun Hours in Kayseri, Kayseri, Turkey
- Solar zone
- Zone 3 (good)
- Best month
- July (7.9)
- Worst month
- December (1.9)
- Climate
- Continental · 9.0°C
Monthly solar breakdown
| Month | GHI | Clear-sky | DNI | DHI | Temp °C | Humid % |
|---|---|---|---|---|---|---|
| Jan | 2.23 | 3.26 | 2.70 | 1.19 | -2.9 | 83 |
| Feb | 3.33 | 4.45 | 3.37 | 1.72 | -0.9 | 79 |
| Mar | 4.10 | 5.82 | 3.64 | 1.99 | 3.1 | 72 |
| Apr | 5.40 | 7.18 | 4.40 | 2.43 | 7.7 | 66 |
| May | 6.46 | 8.11 | 5.28 | 2.66 | 12.5 | 63 |
| Jun | 7.52 | 8.58 | 7.29 | 2.35 | 17.0 | 57 |
| Jul | 7.90 | 8.39 | 8.61 | 1.92 | 20.4 | 49 |
| Aug | 7.20 | 7.51 | 8.24 | 1.68 | 20.9 | 45 |
| Sep | 5.73 | 6.23 | 7.02 | 1.50 | 16.8 | 47 |
| Oct | 3.96 | 4.67 | 4.99 | 1.42 | 10.8 | 59 |
| Nov | 2.69 | 3.44 | 4.16 | 1.01 | 4.0 | 69 |
| Dec | 1.94 | 2.86 | 2.87 | 0.94 | -0.8 | 79 |
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 1.94 kWh/m²/day, 0.77 system efficiency.
About solar in Kayseri
Kayseri, Turkey has a continental climate with cold winters and warmer summers. Its annual peak sun hours average 4.87 kWh/m²/day, a good solar resource by global standards.
The strongest month in Kayseri is July (summer) at 7.9 kWh/m²/day, and the weakest is December (winter) at 1.94 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.
Kayseri's solar conditions are well within the range where off-grid PV is a straightforward engineering exercise with standard-sized arrays and lithium batteries.
FAQ
- What are the peak sun hours in Kayseri?
- Kayseri averages 4.87 peak sun hours per day annually, ranging from 1.94 in December to 7.9 in July.
- How many solar panels do I need in Kayseri?
- Panel count depends on your daily load. At Kayseri's annual average of 4.87 kWh/m²/day, a 5 kWh/day load needs roughly 4 × 400 W panels. Use the calculator above for your actual load.
- What size battery do I need in Kayseri?
- Sizing against Kayseri's worst month (December, 1.94 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 Kayseri's solar resource compare globally?
- Kayseri sits in solar zone 3 out of 5 (where 5 is strongest) at 4.87 kWh/m²/day — good 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 Kayseri?
- Yes — snow cover can drop output to near zero. In Kayseri'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 Kayseri?
- Kayseri's worst month is December at 1.94 kWh/m²/day versus 7.9 in July — a 122% 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 Kayseri's?
- Yes, but the seasonal ratio matters. Kayseri's annual 4.87 kWh/m²/day is solid; grid-tied net metering works well (summer credits offset winter draw). Full off-grid needs generator or hydro backup.