Peak Sun Hours in Mwene-Ditu, Lomami, Democratic Republic of the Congo
- Solar zone
- Zone 4 (excellent)
- Best month
- April (5.4)
- Worst month
- August (4.8)
- Climate
- Equatorial · 24.5°C
Monthly solar breakdown
| Month | GHI | Clear-sky | DNI | DHI | Temp °C | Humid % |
|---|---|---|---|---|---|---|
| Jan | 4.87 | 7.32 | 2.06 | 2.66 | 23.9 | 79 |
| Feb | 5.16 | 7.46 | 2.52 | 2.65 | 24.4 | 77 |
| Mar | 5.31 | 7.35 | 2.91 | 2.59 | 24.4 | 79 |
| Apr | 5.38 | 6.87 | 3.67 | 2.39 | 24.2 | 80 |
| May | 5.37 | 6.16 | 4.79 | 1.92 | 24.3 | 67 |
| Jun | 5.22 | 5.56 | 4.84 | 1.82 | 23.9 | 51 |
| Jul | 5.14 | 5.51 | 4.38 | 1.94 | 24.6 | 41 |
| Aug | 4.79 | 5.58 | 2.84 | 2.35 | 26.4 | 45 |
| Sep | 4.96 | 6.21 | 2.46 | 2.53 | 25.9 | 64 |
| Oct | 5.23 | 6.97 | 2.64 | 2.63 | 24.7 | 76 |
| Nov | 5.23 | 7.38 | 2.58 | 2.72 | 24.0 | 80 |
| Dec | 4.94 | 7.39 | 2.20 | 2.66 | 23.7 | 81 |
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 4.79 kWh/m²/day, 0.77 system efficiency.
About solar in Mwene-Ditu
Mwene-Ditu, Democratic Republic of the Congo sits near the equator, where day length is stable year-round and the sun passes close to overhead. Its annual peak sun hours average 5.13 kWh/m²/day, a excellent solar resource by global standards.
The strongest month in Mwene-Ditu is April (autumn) at 5.38 kWh/m²/day, and the weakest is August (winter) at 4.79 kWh/m²/day. When sizing a year-round off-grid system, it's standard practice to design against the August value rather than the annual average — otherwise the battery bank runs low during the darkest weeks.
Mwene-Ditu'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 Mwene-Ditu?
- Mwene-Ditu averages 5.13 peak sun hours per day annually, ranging from 4.79 in August to 5.38 in April.
- How many solar panels do I need in Mwene-Ditu?
- Panel count depends on your daily load. At Mwene-Ditu's annual average of 5.13 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 Mwene-Ditu?
- Sizing against Mwene-Ditu's worst month (August, 4.79 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 Mwene-Ditu's solar resource compare globally?
- Mwene-Ditu sits in solar zone 4 out of 5 (where 5 is strongest) at 5.13 kWh/m²/day — excellent by global standards. For reference, top-tier desert sites average ~6.5 and high-latitude cities around 2.5 kWh/m²/day.
- Why doesn't solar output vary much by month in Mwene-Ditu?
- Near the equator, day length is nearly constant year-round and the sun stays close to overhead. In Mwene-Ditu, monthly PSH ranges just from 4.79 to 5.38 kWh/m²/day — variance is driven by wet-season cloud cover, not day length.
- What tilt angle works best for panels in Mwene-Ditu?
- At latitude 7°, panels in Mwene-Ditu work best at a low tilt (roughly 7°) or horizontal. Tracking mounts add little benefit this close to the equator.
- How does the wet season affect solar output in Mwene-Ditu?
- Equatorial wet seasons reduce output through cloud cover, not day length. Mwene-Ditu's worst month (August) still delivers 4.79 kWh/m²/day — design against this value for reliable year-round off-grid use.