Solarposition.org

Tuscany · Italy · 43.87° N · 10.25° E

Solar position in Viareggio

Sun position, daylight and the best solar panel angle for Viareggio — computed for 43.87° N, 10.25° E, 2 m above sea level.

Sunrise today07:44106° ESE
Sunset today18:21254° WSW
Best panel angle35°year-round, facing south
Off-grid angle68°best for the darkest month

The sun right now

Azimuth180.0°
Elevation34.3°
At solar noon, 13:02Open on the sun map

Sun in Viareggio today

Saturday, 24 October 2026 · local time UTC+2

EventTimeDirection / height
Astronomical dawn06:08sun 18° below horizon
Nautical dawn06:4112° below
Civil dawn07:156° below
Sunrise07:44106° ESE
Golden hour ends08:24sun 6° up
Solar noon13:0234.3° high
Golden hour starts17:41sun 6° up
Sunset18:21254° WSW
Civil dusk18:506° below
Nautical dusk19:2412° below
Astronomical dusk19:5718° below
Day length10 h 37 min

Sun path diagram for Viareggio

Where the sun stands in the sky: the centre is straight overhead, the outer ring is the horizon. Numbers mark local clock hours.

15°30°45°60°75°N30°60°E120°150°S210°240°W300°330°June solstice67891011121314151617181920EquinoxDecember solstice8910111213141516Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 69.6° at solar noon in Viareggio; on the December solstice only 22.7°. Sunrise swings from 56° NE in June to 123° ESE in December — a 67° 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.

MonthSunriseSolar noonSunsetDay lengthNoon elevation
January07:4612:3017:149 h 28 min26.3°
February07:0912:3217:5610 h 48 min35.7°
March06:2012:2618:3212 h 12 min46.5°
April06:2613:1720:0913 h 43 min58.1°
May05:4713:1520:4414 h 57 min66.4°
June05:3613:2021:0415 h 28 min69.6°
July05:5613:2520:5414 h 58 min66.6°
August06:2913:2220:1313 h 44 min58.2°
September07:0413:1119:1812 h 14 min46.7°
October07:4013:0318:2510 h 45 min35.4°
November07:2112:0416:489 h 27 min26.2°
December07:4912:1716:448 h 54 min22.7°

A year of daylight in Viareggio

Each column is one day of 2026. Bright: sun above the horizon; soft: civil twilight; line: solar noon. Steps are daylight saving time changes.

00:0003:0006:0009:0012:0015:0018:0021:0000:00JanFebMarAprMayJunJulAugSepOctNovDec

Best solar panel angle in Viareggio

Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.

35°collects the most energy over a year: 1432 kWh per kWp.

68°gives the most in the darkest month — the one an off-grid system is sized for.

40%50%60%70%80%90%100%0°10°20°30°40°50°60°70°80°90°Best year-round 35°Best worst-month 68°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearDecember kWh/kWp/dayBest ÷ worst month
0°120784%1.035.5×
15°135795%1.563.7×
30°1427100%1.992.8×
35° year-round best1432100%2.112.6×
44° = latitude141899%2.282.2×
45°141499%2.302.2×
60°132092%2.461.8×
68° off-grid best123986%2.481.6×
70°121585%2.471.6×
90°92364%2.301.5×

A fixed array in Viareggio produces the most over a year at 35°. The design month for an off-grid system is December: at 68° it makes 2.48 kWh per kWp a day, 17% more than at 35°, and costs 14% of the yearly total. Why steep panels win winter.

Off-grid solar in Viareggio at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 35° (year-round best).

0123456January: 2.64 (70°)2.6JanFebruary: 3.21 (70°)3.2FebMarch: 3.68 (70°)3.7MarApril: 3.67 (70°)3.7AprMay: 3.52 (70°)3.5MayJune: 3.47 (70°)3.5JunJuly: 3.63 (70°)3.6JulAugust: 3.90 (70°)3.9AugSeptember: 3.94 (70°)3.9SepOctober: 3.28 (70°)3.3OctNovember: 2.53 (70°)2.5NovDecember: 2.47 (70°)2.5Dec35°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 35°Mean temp.
January1.553.022.642.327.9 °C
February2.403.673.213.098.2 °C
March3.664.243.683.9810.6 °C
April4.944.293.674.5813.5 °C
May6.064.193.524.9717.2 °C
June6.944.203.475.2921.5 °C
July7.084.433.635.4424.2 °C
August6.084.763.905.1824.4 °C
September4.504.733.944.4821.0 °C
October2.833.883.283.3017.0 °C
November1.682.952.532.3012.8 °C
December1.332.842.472.119.2 °C
Year4.10 avg3.93 avg1215 kWh1432 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 480 Wp of panels at 70°, versus 560 Wp at 35°. The steep array is 15% smaller for the same winter. Size your own system.

Row spacing in Viareggio

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.

6.0 mrow pitch at 70°

4.9 mrow pitch at 35°

Row spacing calculator

How Viareggio compares in Italy

Against the other 596 places in Italy with climate data, for a fixed array at its best angle.

317thof 597 places in Italy for sunshine, shared: 4.10 peak sun hours a day on flat ground.

−1%solar energy a year compared with the average place in Italy: 1,432 against 1,452 kWh per kWp.

+14 mindaylight on the longest day, compared with Rome: 15 h 28 min against 15 h 14 min.

35°best year-round tilt here; across Italy it runs from 30° in Palermo to 42° in Bolzano.

Of the 597 places in Italy, Pozzallo and one other place get the most sun (4.91 peak sun hours a day) and Bressanone the least (3.51); Viareggio ranks joint 317th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 2.47 kWh a day here, against 2.63 kWh on average in Italy. The shortest day lasts 8 h 54 min, −13 min compared with Rome.

The sunniest places in Italy

Solar forecast for Viareggio, next 48 hours

Expected output of 1 kWp at 70°, computed from the ICON-EU weather model of the Deutscher Wetterdienst (DWD), Europe.

Loading the latest forecast…

Questions about the sun in Viareggio

What is the best solar panel angle in Viareggio?
For a fixed array facing south, the best year-round tilt in Viareggio is 35°, worth about 1432 kWh per kWp a year. An off-grid system that has to get through December does better at about 68°.
What time is sunrise and sunset in Viareggio today?
On 24 October 2026 the sun rises at 07:44 and sets at 18:21 local time (UTC+2), giving 10 h 37 min of daylight. Solar noon is at 13:02.
How many peak sun hours does Viareggio get?
On a flat surface 4.1 hours a day averaged over the year, from 1.3 in December to 7.1 in July. Panels tilted at 70° receive 2.8 sun hours a day in December.
How high does the sun get in Viareggio?
At solar noon the sun stands 69.6° above the horizon on the June solstice and 22.7° on the December solstice.
Is Viareggio a good place for solar panels?
With 4.1 peak sun hours a day on flat ground, Viareggio ranks joint 317th of 597 places in Italy for sunshine. A 1 kWp array at the best angle (35°) makes about 1,432 kWh a year here, 1% less than the average place in Italy.

Places near Viareggio

All places in Italy

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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.