Vukovar-Srijem · Croatia · 45.35° N · 19.00° E
Solar position in Vukovar
Sun position, daylight and the best solar panel angle for Vukovar — computed for 45.35° N, 19.00° E, 80 m above sea level.
The sun right now
Sun in Vukovar today
Saturday, 24 October 2026 · local time UTC+2
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:32 | sun 18° below horizon |
| Nautical dawn | 06:07 | 12° below |
| Civil dawn | 06:41 | 6° below |
| Sunrise | 07:11 | 106° ESE |
| Golden hour ends | 07:53 | sun 6° up |
| Solar noon | 12:27 | 32.8° high |
| Golden hour starts | 17:02 | sun 6° up |
| Sunset | 17:43 | 254° WSW |
| Civil dusk | 18:14 | 6° below |
| Nautical dusk | 18:48 | 12° below |
| Astronomical dusk | 19:22 | 18° below |
| Day length | 10 h 32 min | |
Sun path diagram for Vukovar
Where the sun stands in the sky: the centre is straight overhead, the outer ring is the horizon. Numbers mark local clock hours.
- June solstice
- Equinox
- December solstice
- Today
On the June solstice the sun reaches 68.1° at solar noon in Vukovar; on the December solstice only 21.3°. Sunrise swings from 54° NE in June to 123° ESE in December — a 69° arc along the horizon.
Sunrise, sunset and sun height by month
Values for the 21st of each month, local clock time including daylight saving time.
| Month | Sunrise | Solar noon | Sunset | Day length | Noon elevation |
|---|---|---|---|---|---|
| January | 07:15 | 11:55 | 16:35 | 9 h 19 min | 24.8° |
| February | 06:36 | 11:57 | 17:19 | 10 h 43 min | 34.2° |
| March | 05:45 | 11:51 | 17:57 | 12 h 12 min | 45.0° |
| April | 05:48 | 12:42 | 19:37 | 13 h 49 min | 56.6° |
| May | 05:07 | 12:40 | 20:14 | 15 h 06 min | 64.9° |
| June | 04:55 | 12:45 | 20:35 | 15 h 40 min | 68.1° |
| July | 05:16 | 12:50 | 20:24 | 15 h 08 min | 65.1° |
| August | 05:52 | 12:46 | 19:41 | 13 h 49 min | 56.7° |
| September | 06:29 | 12:36 | 18:43 | 12 h 14 min | 45.3° |
| October | 07:07 | 12:28 | 17:48 | 10 h 41 min | 33.9° |
| November | 06:50 | 11:29 | 16:08 | 9 h 18 min | 24.7° |
| December | 07:20 | 11:42 | 16:03 | 8 h 43 min | 21.3° |
A year of daylight in Vukovar
Each column is one day of 2026. Bright: sun above the horizon; soft: civil twilight; line: solar noon. Steps are daylight saving time changes.
Best solar panel angle in Vukovar
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
36°collects the most energy over a year: 1296 kWh per kWp.
66°gives the most in the darkest month — the one an off-grid system is sized for.
- Yearly energy
- Worst-month energy
| Tilt | kWh/kWp per year | Share of best year | December kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1092 | 84% | 0.80 | 6.3× |
| 15° | 1227 | 95% | 1.15 | 4.5× |
| 30° | 1291 | 100% | 1.44 | 3.5× |
| 36° year-round best | 1296 | 100% | 1.53 | 3.2× |
| 45° = latitude | 1281 | 99% | 1.64 | 2.8× |
| 60° | 1199 | 93% | 1.74 | 2.4× |
| 66° off-grid best | 1147 | 89% | 1.75 | 2.2× |
| 70° | 1107 | 85% | 1.75 | 2.1× |
| 90° | 848 | 65% | 1.62 | 1.7× |
A fixed array in Vukovar produces the most over a year at 36°. The design month for an off-grid system is December: at 66° it makes 1.75 kWh per kWp a day, 14% more than at 36°, and costs 11% of the yearly total. Why steep panels win winter.
Off-grid solar in Vukovar at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 36° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 36° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 1.27 | 2.40 | 2.15 | 1.88 | -0.3 °C |
| February | 2.06 | 2.98 | 2.66 | 2.61 | 1.6 °C |
| March | 3.34 | 3.92 | 3.45 | 3.71 | 6.3 °C |
| April | 4.68 | 4.16 | 3.58 | 4.40 | 11.9 °C |
| May | 5.58 | 3.98 | 3.35 | 4.61 | 16.9 °C |
| June | 6.17 | 3.90 | 3.22 | 4.75 | 21.3 °C |
| July | 6.30 | 4.12 | 3.37 | 4.90 | 23.9 °C |
| August | 5.57 | 4.48 | 3.68 | 4.79 | 23.7 °C |
| September | 3.91 | 4.15 | 3.49 | 3.94 | 18.0 °C |
| October | 2.67 | 3.79 | 3.27 | 3.25 | 12.3 °C |
| November | 1.53 | 2.70 | 2.37 | 2.16 | 6.5 °C |
| December | 1.01 | 1.97 | 1.75 | 1.53 | 0.9 °C |
| Year | 3.68 avg | 3.55 avg | 1107 kWh | 1296 kWh |
Sizing example. To run a 1 kWh-per-day load through December on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 670 Wp of panels at 70°, versus 770 Wp at 36°. The steep array is 12% smaller for the same winter. Size your own system.
Row spacing in Vukovar
Distance between rows of 2 m long panels (slope length) so that no row shades the next between 10:00 and 14:00 solar time on the winter solstice.
6.4 mrow pitch at 70°
5.2 mrow pitch at 36°
How Vukovar compares in Croatia
Against the other 23 places in Croatia with climate data, for a fixed array at its best angle.
8thof 24 places in Croatia for sunshine, shared: 3.68 peak sun hours a day on flat ground.
−2%solar energy a year compared with the average place in Croatia: 1,296 against 1,318 kWh per kWp.
−4 mindaylight on the longest day, compared with Zagreb: 15 h 40 min against 15 h 44 min.
36°best year-round tilt here; across Croatia it runs from 35° in Split to 36° in Zagreb.
Of the 24 places in Croatia, Dubrovnik gets the most sun (4.21 peak sun hours a day) and Varaždin the least (3.56); Vukovar ranks joint 8th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.75 kWh a day here, against 1.98 kWh on average in Croatia. The shortest day lasts 8 h 43 min, +4 min compared with Zagreb.
Solar forecast for Vukovar, next 48 hours
Expected output of 1 kWp at 70°, computed from the ICON-EU weather model of the Deutscher Wetterdienst (DWD), Europe.
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Questions about the sun in Vukovar
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Places near Vukovar
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A free, live card for Vukovar: where the sun is right now on today's path, a countdown to sunset or sunrise, the daylight change, the moon phase at night and the best panel angle.
Sun positions: NREL Solar Position Algorithm. Climate: NASA POWER monthly climatology (NASA Langley Research Center). Forecast: Deutscher Wetterdienst, ICON-EU (CC BY 4.0), processed. Places: GeoNames (CC BY 4.0). Time zones: IANA. Sources and licences.