Tukums Municipality · Latvia · 56.97° N · 23.16° E
Solar position in Tukums
Sun position, daylight and the best solar panel angle for Tukums — computed for 56.97° N, 23.16° E, 62 m above sea level.
The sun right now
Sun in Tukums today
Saturday, 24 October 2026 · local time UTC+3
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 06:11 | sun 18° below horizon |
| Nautical dawn | 06:55 | 12° below |
| Civil dawn | 07:40 | 6° below |
| Sunrise | 08:19 | 111° ESE |
| Golden hour ends | 09:15 | sun 6° up |
| Solar noon | 13:11 | 21.2° high |
| Golden hour starts | 17:06 | sun 6° up |
| Sunset | 18:02 | 249° WSW |
| Civil dusk | 18:42 | 6° below |
| Nautical dusk | 19:26 | 12° below |
| Astronomical dusk | 20:10 | 18° below |
| Day length | 9 h 43 min | |
Sun path diagram for Tukums
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 56.5° at solar noon in Tukums; on the December solstice only 9.7°. Sunrise swings from 41° NE in June to 135° SE in December — a 94° 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 | 08:46 | 12:38 | 16:31 | 7 h 46 min | 13.3° |
| February | 07:41 | 12:41 | 17:41 | 10 h 01 min | 22.6° |
| March | 06:27 | 12:34 | 18:43 | 12 h 16 min | 33.4° |
| April | 06:04 | 13:26 | 20:49 | 14 h 45 min | 45.0° |
| May | 04:58 | 13:24 | 21:50 | 16 h 52 min | 53.3° |
| June | 04:32 | 13:29 | 22:25 | 17 h 53 min | 56.5° |
| July | 05:05 | 13:33 | 22:00 | 16 h 56 min | 53.5° |
| August | 06:06 | 13:30 | 20:52 | 14 h 46 min | 45.1° |
| September | 07:10 | 13:20 | 19:29 | 12 h 20 min | 33.7° |
| October | 08:13 | 13:11 | 18:09 | 9 h 57 min | 22.3° |
| November | 08:20 | 12:12 | 16:04 | 7 h 44 min | 13.1° |
| December | 09:03 | 12:25 | 15:46 | 6 h 43 min | 9.7° |
A year of daylight in Tukums
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 Tukums
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
42°collects the most energy over a year: 1080 kWh per kWp.
79°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° | 848 | 79% | 0.19 | 25.4× |
| 15° | 981 | 91% | 0.33 | 15.1× |
| 30° | 1060 | 98% | 0.47 | 11.0× |
| 42° year-round best | 1080 | 100% | 0.55 | 9.1× |
| 45° | 1079 | 100% | 0.57 | 8.7× |
| 57° = latitude | 1051 | 97% | 0.63 | 7.3× |
| 60° | 1038 | 96% | 0.64 | 7.0× |
| 70° | 979 | 91% | 0.67 | 6.1× |
| 79° off-grid best | 906 | 84% | 0.67 | 5.4× |
| 90° | 794 | 73% | 0.66 | 4.8× |
A fixed array in Tukums produces the most over a year at 42°. The design month for an off-grid system is December: at 79° it makes 0.67 kWh per kWp a day, 22% more than at 42°, and costs 16% of the yearly total. Why steep panels win winter.
Off-grid solar in Tukums at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 42° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 42° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 0.42 | 1.13 | 1.00 | 0.83 | -3.3 °C |
| February snow | 1.06 | 2.15 | 1.95 | 1.72 | -3.7 °C |
| March snow | 2.43 | 3.73 | 3.37 | 3.29 | -0.5 °C |
| April | 4.08 | 4.47 | 3.96 | 4.41 | 4.9 °C |
| May | 5.50 | 4.72 | 4.08 | 5.00 | 10.8 °C |
| June | 5.80 | 4.44 | 3.76 | 4.82 | 14.9 °C |
| July | 5.44 | 4.36 | 3.65 | 4.59 | 18.1 °C |
| August | 4.33 | 4.18 | 3.52 | 4.10 | 17.6 °C |
| September | 2.84 | 3.66 | 3.13 | 3.27 | 13.4 °C |
| October | 1.39 | 2.42 | 2.11 | 2.00 | 7.6 °C |
| November | 0.49 | 1.12 | 0.97 | 0.85 | 3.3 °C |
| December snow | 0.27 | 0.76 | 0.67 | 0.55 | -0.5 °C |
| Year | 2.85 avg | 3.10 avg | 979 kWh | 1080 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 1,770 Wp of panels at 70°, versus 2,140 Wp at 42°. The steep array is 17% smaller for the same winter. Size your own system.
Row spacing in Tukums
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.
17.3 mrow pitch at 70°
13.3 mrow pitch at 42°
How Tukums compares in Latvia
Against the other 13 places in Latvia with climate data, for a fixed array at its best angle.
3rdof 14 places in Latvia for sunshine, shared: 2.85 peak sun hours a day on flat ground.
+1%solar energy a year compared with the average place in Latvia: 1,080 against 1,073 kWh per kWp.
±0 mindaylight on the longest day, compared with Riga: 17 h 53 min against 17 h 52 min.
42°best year-round tilt here; across Latvia it runs from 41° in Liepāja to 44° in Valmiera.
Of the 14 places in Latvia, Ventspils gets the most sun (2.95 peak sun hours a day) and Valmiera the least (2.78); Tukums ranks joint 3rd. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 0.67 kWh a day here, against 0.67 kWh on average in Latvia. The shortest day lasts 6 h 43 min, ±0 min compared with Riga.
Solar forecast for Tukums, 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 Tukums
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A free, live card for Tukums: 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.