Västra Götaland · Sweden · 57.87° N · 11.98° E
Solar position in Kungälv
Sun position, daylight and the best solar panel angle for Kungälv — computed for 57.87° N, 11.98° E, 13 m above sea level.
The sun right now
Sun in Kungälv today
Sunday, 25 October 2026 · local time UTC+2
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:57 | sun 18° below horizon |
| Nautical dawn | 05:42 | 12° below |
| Civil dawn | 06:28 | 6° below |
| Sunrise | 07:09 | 112° ESE |
| Golden hour ends | 08:07 | sun 6° up |
| Solar noon | 11:55 | 20.0° high |
| Golden hour starts | 15:43 | sun 6° up |
| Sunset | 16:41 | 248° WSW |
| Civil dusk | 17:22 | 6° below |
| Nautical dusk | 18:08 | 12° below |
| Astronomical dusk | 18:53 | 18° below |
| Day length | 9 h 33 min | |
Sun path diagram for Kungälv
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 55.6° at solar noon in Kungälv; on the December solstice only 8.8°. Sunrise swings from 40° NE in June to 136° SE in December — a 97° 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 | 08:35 | 12:23 | 16:11 | 7 h 36 min | 12.4° |
| February | 07:27 | 12:26 | 17:24 | 9 h 56 min | 21.7° |
| March | 06:11 | 12:19 | 18:28 | 12 h 17 min | 32.5° |
| April | 05:45 | 13:11 | 20:37 | 14 h 51 min | 44.1° |
| May | 04:37 | 13:08 | 21:41 | 17 h 04 min | 52.4° |
| June | 04:09 | 13:13 | 22:18 | 18 h 09 min | 55.6° |
| July | 04:44 | 13:18 | 21:51 | 17 h 08 min | 52.6° |
| August | 05:48 | 13:14 | 20:40 | 14 h 52 min | 44.2° |
| September | 06:54 | 13:04 | 19:14 | 12 h 20 min | 32.8° |
| October | 08:00 | 12:56 | 17:52 | 9 h 52 min | 21.4° |
| November | 08:10 | 11:57 | 15:44 | 7 h 33 min | 12.2° |
| December | 08:55 | 12:10 | 15:24 | 6 h 29 min | 8.8° |
A year of daylight in Kungälv
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 Kungälv
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
43°collects the most energy over a year: 1069 kWh per kWp.
78°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° | 826 | 77% | 0.16 | 29.6× |
| 15° | 963 | 90% | 0.31 | 16.5× |
| 30° | 1046 | 98% | 0.44 | 11.6× |
| 43° year-round best | 1069 | 100% | 0.53 | 9.2× |
| 45° | 1068 | 100% | 0.54 | 8.9× |
| 58° = latitude | 1039 | 97% | 0.60 | 7.3× |
| 60° | 1030 | 96% | 0.61 | 7.1× |
| 70° | 972 | 91% | 0.63 | 6.2× |
| 78° off-grid best | 909 | 85% | 0.64 | 5.7× |
| 90° | 788 | 74% | 0.63 | 5.0× |
A fixed array in Kungälv produces the most over a year at 43°. The design month for an off-grid system is December: at 78° it makes 0.64 kWh per kWp a day, 21% more than at 43°, and costs 15% of the yearly total. Why steep panels win winter.
Off-grid solar in Kungälv at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 43° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 43° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 0.36 | 1.05 | 0.92 | 0.77 | -0.6 °C |
| February snow | 0.96 | 2.01 | 1.80 | 1.62 | -0.8 °C |
| March | 2.38 | 3.70 | 3.32 | 3.29 | 1.5 °C |
| April | 4.02 | 4.49 | 3.95 | 4.37 | 6.3 °C |
| May | 5.28 | 4.59 | 3.95 | 4.80 | 11.1 °C |
| June | 5.85 | 4.53 | 3.84 | 4.87 | 14.8 °C |
| July | 5.34 | 4.34 | 3.64 | 4.53 | 17.2 °C |
| August | 4.20 | 4.12 | 3.47 | 4.01 | 16.7 °C |
| September | 2.82 | 3.72 | 3.18 | 3.31 | 13.3 °C |
| October | 1.34 | 2.47 | 2.14 | 2.02 | 8.4 °C |
| November | 0.49 | 1.24 | 1.08 | 0.93 | 4.5 °C |
| December | 0.24 | 0.73 | 0.63 | 0.53 | 1.2 °C |
| Year | 2.78 avg | 3.09 avg | 972 kWh | 1069 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 1,860 Wp of panels at 70°, versus 2,230 Wp at 43°. The steep array is 16% smaller for the same winter. Size your own system.
Row spacing in Kungälv
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.
20.1 mrow pitch at 70°
15.5 mrow pitch at 43°
How Kungälv compares in Sweden
Against the other 98 places in Sweden with climate data, for a fixed array at its best angle.
27thof 99 places in Sweden for sunshine, shared: 2.78 peak sun hours a day on flat ground.
+1%solar energy a year compared with the average place in Sweden: 1,069 against 1,059 kWh per kWp.
−29 mindaylight on the longest day, compared with Stockholm: 18 h 09 min against 18 h 37 min.
43°best year-round tilt here; across Sweden it runs from 41° in Malmö to 50° in Kiruna.
Of the 99 places in Sweden, Kalmar gets the most sun (2.96 peak sun hours a day) and Kiruna the least (2.22); Kungälv ranks joint 27th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 0.63 kWh a day here, against 0.59 kWh on average in Sweden. The shortest day lasts 6 h 29 min, +25 min compared with Stockholm.
Solar forecast for Kungälv, 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 Kungälv
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Places near Kungälv
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A free, live card for Kungälv: 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.